35. Ethylene and trans-dichloroethylene are both inactive in the infra-red in this region .
和反式
氯
在红外光谱的这个区域都无
。
35. Ethylene and trans-dichloroethylene are both inactive in the infra-red in this region .
和反式
氯
在红外光谱的这个区域都无
。
The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).
红外光谱检测解聚产物是纯度很高的对苯甲酸
甲酯(DMT)单
和
醇。
Stearone glycol fumaric acid (SGF) was synthesized with maleicanhydride, cinnamyl alcohol and ethylene glycol.
由于酸酐经醇解转型酯化途径合成了对皮肤无过敏反应的反丁
酸桂醇甘醇酯(SGF)。
Epoxides, episulphides and ethylene imines also polymerize via similar cyclic onium ion mechanisms.
环氧化合物,环硫化合物和亚胺也可以按类似于环氧?睦胱拥幕?理进行聚合。
Three Yuan second grade third rubbers (EPDM) is the ethylene, the propylene and the few non-conjugate diolefin copolymer.
三元丙橡胶(EPDM)是
、丙
和少量非共轭
烃的共聚物。
Ethylene glycol monoether acetate are synthesized from acetic acid and ethylene glycol monoethyl ether with supported phosphotungstic acid catalyst.
以醋酸和醇单
醚为原
,
白土负载磷钨酸作为催化剂,合成了
醇单
醚醋酸酯。
Preparation of ethylene bis stearamide using stearyl chloride and ethylenediamine (EDA) as raw materials has been studied.
研究了以胺和硬脂酰氯为原
制备
撑双硬脂酰胺的反应,讨论了原
配比、反应时间、反应温度的影响。
The relation of internal microstructure damage degree of furnace tube in a ethylene pyrolyzer with weldability was studied.
研究了裂解炉服役炉管材
内部的组织损伤程度与焊接
的关系。
Abstract: The C5 Fraction derived from ethylene steamcracker contains some very useful components, isoprene, cyclopentadiene and piperylene.
摘 要: 来自裂解的C5馏份含有非常有用的化工原
——异戊
、环戊
、戊间
。
According to the ethylene diamine moiety in the structure of some calcium antagonists,we designed and synthesized 5 unreported phenoxybenzamine derivatives.
利用酚苄明结构中氯胺基的
,结合一些钙拮抗剂含
胺结构的特征,设计合成了5个酚苄明衍生物。
The determination method of ethylene chlorohydrin content by u sing FID chromatograph polyethylene glycol 20M chromatographic column was introd uced.
介绍了采用FID的色谱仪聚醇20M色谱柱对氯
醇的定量测定方法。
The stable organic solution of dichloroglyoxime was prepared in high yield by chlorine aerated into the ethylene glycol solution of glyoxime.
将肟溶于
醇,通入氯气,生成稳定的
氯
肟溶液,这种方法制备的
氯
肟贮存稳定,产率高。
The article has introduced the method such as methanol, ethanol, ethylene glycol, pointing out synthol is the new raw material of oildom.
介绍了由合成气为原制取甲醇、
醇、
醇等产品的方法,指出了合成气是石油化工的新原
。
Bromobutyraldehyde ethylene acetal was synthesized from crotonaldehyde by addition with hydrogen bromide and then acetalation with ethylene glycol with an overall yield of 80.
巴豆醛先与溴化氢加成,再与醇缩醛化得到3-溴代丁醛缩
醇,收率80.8%。
The effect of ethylene comonomer content on the crystallization, mechanical and viscoelastic properties of VERSIFY copolymers was studied by DSC, DMTA, POM and WAXD.
通过DSC,DMTA,POM和WAXD等手段,研究了共聚单
含量的变化对VERSIFY共聚物结晶
能、力学
能和粘弹
能的影响。
Depropanization is a procedure in the separation section of ethylene production and its effect is to separate component C3 from component C4 and C4 above.
脱丙烷是生产过程中分离工段的一个工艺步骤,其目的是将C_3和C_4以上组分分离。
Catches an illness the flowering branch to have the mutual infectiousness, but died of old age the flowering branch is easy to have the ethylene acceleration deterioration.
染病花枝具有相互的感染,而凋谢的花枝易产生
加速衰败。
3, A chelating agent which forms an easily water-soluble metal chelated compound such as nitrilotriacetate (NTA) or ethylene diamine tetraacetate (EDTA) is incorporated in a detergent composition.
在洗衣粉中掺入螯合剂,例如次氮基三酸酯(NTA)或者是
胺四
酸酯(EDTA),这些螯合剂易于形成水溶
的金属螯合物。
This article analyzes main factors that affect the actual operation of Demethanizer,and discusses the problems existing in the Demethanizer after the revamp of ethylene plant in Fushun,CCPC.
分析了影响中国石油抚顺石化分公司公司
装置脱甲烷塔运行的主要因素,并针对
装置改造后脱甲烷塔存在的问题进行了探讨。
声明:以上例句、词分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
35. Ethylene and trans-dichloroethylene are both inactive in the infra-red in this region .
乙和反式二氯乙
在红外光谱的这个区域都无活性。
The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).
红外光谱检测解聚产是纯度很高的对苯二甲酸二甲酯(DMT)单
和乙二醇。
Stearone glycol fumaric acid (SGF) was synthesized with maleicanhydride, cinnamyl alcohol and ethylene glycol.
由二酸酐经醇解转型酯化途径合成了对皮肤无过敏反应的反丁
二酸桂醇甘醇酯(SGF)。
Epoxides, episulphides and ethylene imines also polymerize via similar cyclic onium ion mechanisms.
氧化合
,
硫化合
和乙
亚胺也可以按类
氧?睦胱拥幕?理进行聚合。
Three Yuan second grade third rubbers (EPDM) is the ethylene, the propylene and the few non-conjugate diolefin copolymer.
三元乙丙橡胶(EPDM)是乙、丙
和少量非共轭二
烃的共聚
。
Ethylene glycol monoether acetate are synthesized from acetic acid and ethylene glycol monoethyl ether with supported phosphotungstic acid catalyst.
以醋酸和乙二醇单乙醚为原料,活性白土负载磷钨酸作为催化剂,合成了乙二醇单乙醚醋酸酯。
Preparation of ethylene bis stearamide using stearyl chloride and ethylenediamine (EDA) as raw materials has been studied.
研究了以乙二胺和硬脂酰氯为原料制备乙撑双硬脂酰胺的反应,讨论了原料配比、反应时间、反应温度的影响。
The relation of internal microstructure damage degree of furnace tube in a ethylene pyrolyzer with weldability was studied.
研究了乙裂解炉服役炉管材料内部的组织损伤程度与焊接性的关系。
Abstract: The C5 Fraction derived from ethylene steamcracker contains some very useful components, isoprene, cyclopentadiene and piperylene.
摘 要: 来自裂解乙的C5馏份含有非常有用的化工原料——异戊二
、
戊二
、戊间二
。
According to the ethylene diamine moiety in the structure of some calcium antagonists,we designed and synthesized 5 unreported phenoxybenzamine derivatives.
利用酚苄明结构中氯乙胺基的活性,结合一些钙拮抗剂含乙二胺结构的特征,设计合成了5个酚苄明衍。
The determination method of ethylene chlorohydrin content by u sing FID chromatograph polyethylene glycol 20M chromatographic column was introd uced.
介绍了采用FID的色谱仪聚乙二醇20M色谱柱对氯乙醇的定量测定方法。
The stable organic solution of dichloroglyoxime was prepared in high yield by chlorine aerated into the ethylene glycol solution of glyoxime.
将乙二肟溶乙二醇,通入氯气,
成稳定的二氯乙二肟溶液,这种方法制备的二氯乙二肟贮存稳定,产率高。
The article has introduced the method such as methanol, ethanol, ethylene glycol, pointing out synthol is the new raw material of oildom.
介绍了由合成气为原料制取甲醇、乙醇、乙二醇等产品的方法,指出了合成气是石油化工的新原料。
Bromobutyraldehyde ethylene acetal was synthesized from crotonaldehyde by addition with hydrogen bromide and then acetalation with ethylene glycol with an overall yield of 80.
巴豆醛先与溴化氢加成,再与乙二醇缩醛化得到3-溴代丁醛缩乙二醇,收率80.8%。
The effect of ethylene comonomer content on the crystallization, mechanical and viscoelastic properties of VERSIFY copolymers was studied by DSC, DMTA, POM and WAXD.
通过DSC,DMTA,POM和WAXD等手段,研究了乙共聚单
含量的变化对VERSIFY共聚
结晶性能、力学性能和粘弹性能的影响。
Depropanization is a procedure in the separation section of ethylene production and its effect is to separate component C3 from component C4 and C4 above.
脱丙烷是乙产过程中分离工段的一个工艺步骤,其目的是将C_3和C_4以上组分分离。
Catches an illness the flowering branch to have the mutual infectiousness, but died of old age the flowering branch is easy to have the ethylene acceleration deterioration.
染病花枝具有相互的感染性,而凋谢的花枝易产乙
加速衰败。
3, A chelating agent which forms an easily water-soluble metal chelated compound such as nitrilotriacetate (NTA) or ethylene diamine tetraacetate (EDTA) is incorporated in a detergent composition.
在洗衣粉中掺入螯合剂,例如次氮基三乙酸酯(NTA)或者是乙二胺四乙酸酯(EDTA),这些螯合剂易形成水溶性的金属螯合
。
This article analyzes main factors that affect the actual operation of Demethanizer,and discusses the problems existing in the Demethanizer after the revamp of ethylene plant in Fushun,CCPC.
分析了影响中国石油抚顺石化分公司乙公司乙
装置脱甲烷塔运行的主要因素,并针对乙
装置改造后脱甲烷塔存在的问题进行了探讨。
声明:以上例句、词性分类均由互联网资源自动成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
35. Ethylene and trans-dichloroethylene are both inactive in the infra-red in this region .
乙烯和反式二氯乙烯在外光谱的这个区域都
。
The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).
外光谱检测解聚产物是纯度很高的对苯二甲酸二甲酯(DMT)单
和乙二醇。
Stearone glycol fumaric acid (SGF) was synthesized with maleicanhydride, cinnamyl alcohol and ethylene glycol.
由于烯二酸酐经醇解转型酯化途径合成了对皮敏反应的反丁烯二酸桂醇甘醇酯(SGF)。
Epoxides, episulphides and ethylene imines also polymerize via similar cyclic onium ion mechanisms.
环氧化合物,环硫化合物和乙烯亚胺也可以按类似于环氧?睦胱拥幕?理进行聚合。
Three Yuan second grade third rubbers (EPDM) is the ethylene, the propylene and the few non-conjugate diolefin copolymer.
三元乙丙橡胶(EPDM)是乙烯、丙烯和少量非共轭二烯烃的共聚物。
Ethylene glycol monoether acetate are synthesized from acetic acid and ethylene glycol monoethyl ether with supported phosphotungstic acid catalyst.
以醋酸和乙二醇单乙醚为原料,白土负载磷钨酸作为催化剂,合成了乙二醇单乙醚醋酸酯。
Preparation of ethylene bis stearamide using stearyl chloride and ethylenediamine (EDA) as raw materials has been studied.
研究了以乙二胺和硬脂酰氯为原料制备乙撑双硬脂酰胺的反应,讨论了原料配比、反应时间、反应温度的影响。
The relation of internal microstructure damage degree of furnace tube in a ethylene pyrolyzer with weldability was studied.
研究了乙烯裂解炉服役炉管材料内部的组织损伤程度与焊接的关系。
Abstract: The C5 Fraction derived from ethylene steamcracker contains some very useful components, isoprene, cyclopentadiene and piperylene.
摘 要: 来自裂解乙烯的C5馏份含有非常有用的化工原料——异戊二烯、环戊二烯、戊间二烯。
According to the ethylene diamine moiety in the structure of some calcium antagonists,we designed and synthesized 5 unreported phenoxybenzamine derivatives.
利用酚苄明结构中氯乙胺基的,结合一些钙拮抗剂含乙二胺结构的特征,设计合成了5个酚苄明衍生物。
The determination method of ethylene chlorohydrin content by u sing FID chromatograph polyethylene glycol 20M chromatographic column was introd uced.
介绍了采用FID的色谱仪聚乙二醇20M色谱柱对氯乙醇的定量测定方法。
The stable organic solution of dichloroglyoxime was prepared in high yield by chlorine aerated into the ethylene glycol solution of glyoxime.
将乙二肟溶于乙二醇,通入氯气,生成稳定的二氯乙二肟溶液,这种方法制备的二氯乙二肟贮存稳定,产率高。
The article has introduced the method such as methanol, ethanol, ethylene glycol, pointing out synthol is the new raw material of oildom.
介绍了由合成气为原料制取甲醇、乙醇、乙二醇等产品的方法,指出了合成气是石油化工的新原料。
Bromobutyraldehyde ethylene acetal was synthesized from crotonaldehyde by addition with hydrogen bromide and then acetalation with ethylene glycol with an overall yield of 80.
巴豆醛先与溴化氢加成,再与乙二醇缩醛化得到3-溴代丁醛缩乙二醇,收率80.8%。
The effect of ethylene comonomer content on the crystallization, mechanical and viscoelastic properties of VERSIFY copolymers was studied by DSC, DMTA, POM and WAXD.
通DSC,DMTA,POM和WAXD等手段,研究了乙烯共聚单
含量的变化对VERSIFY共聚物结晶
能、力学
能和粘弹
能的影响。
Depropanization is a procedure in the separation section of ethylene production and its effect is to separate component C3 from component C4 and C4 above.
脱丙烷是乙烯生产程中分离工段的一个工艺步骤,其目的是将C_3和C_4以上组分分离。
Catches an illness the flowering branch to have the mutual infectiousness, but died of old age the flowering branch is easy to have the ethylene acceleration deterioration.
染病花枝具有相互的感染,而凋谢的花枝易产生乙烯加速衰败。
3, A chelating agent which forms an easily water-soluble metal chelated compound such as nitrilotriacetate (NTA) or ethylene diamine tetraacetate (EDTA) is incorporated in a detergent composition.
在洗衣粉中掺入螯合剂,例如次氮基三乙酸酯(NTA)或者是乙二胺四乙酸酯(EDTA),这些螯合剂易于形成水溶的金属螯合物。
This article analyzes main factors that affect the actual operation of Demethanizer,and discusses the problems existing in the Demethanizer after the revamp of ethylene plant in Fushun,CCPC.
分析了影响中国石油抚顺石化分公司乙烯公司乙烯装置脱甲烷塔运行的主要因素,并针对乙烯装置改造后脱甲烷塔存在的问题进行了探讨。
声明:以上例句、词分类均由互联网资源自动生成,部分未经
人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
35. Ethylene and trans-dichloroethylene are both inactive in the infra-red in this region .
和反式二氯
在红外光谱的这个区域都无活性。
The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).
红外光谱检测解聚产是纯度很高的对苯二甲酸二甲酯(DMT)单
和
二醇。
Stearone glycol fumaric acid (SGF) was synthesized with maleicanhydride, cinnamyl alcohol and ethylene glycol.
由于二酸酐经醇解转型酯化途径
成了对皮肤无过敏反应的反丁
二酸桂醇甘醇酯(SGF)。
Epoxides, episulphides and ethylene imines also polymerize via similar cyclic onium ion mechanisms.
环氧化,环硫化
和
胺也可以按类似于环氧?睦胱拥幕?理进行聚
。
Three Yuan second grade third rubbers (EPDM) is the ethylene, the propylene and the few non-conjugate diolefin copolymer.
三元丙橡胶(EPDM)是
、丙
和少量非共轭二
烃的共聚
。
Ethylene glycol monoether acetate are synthesized from acetic acid and ethylene glycol monoethyl ether with supported phosphotungstic acid catalyst.
以醋酸和二醇单
醚为原料,活性白土负载磷钨酸作为催化剂,
成了
二醇单
醚醋酸酯。
Preparation of ethylene bis stearamide using stearyl chloride and ethylenediamine (EDA) as raw materials has been studied.
研究了以二胺和硬脂酰氯为原料制备
撑双硬脂酰胺的反应,讨论了原料配比、反应时间、反应温度的影响。
The relation of internal microstructure damage degree of furnace tube in a ethylene pyrolyzer with weldability was studied.
研究了裂解炉服役炉管材料内部的组织损伤程度与焊接性的关系。
Abstract: The C5 Fraction derived from ethylene steamcracker contains some very useful components, isoprene, cyclopentadiene and piperylene.
摘 要: 来自裂解的C5馏份含有非常有用的化工原料——异戊二
、环戊二
、戊间二
。
According to the ethylene diamine moiety in the structure of some calcium antagonists,we designed and synthesized 5 unreported phenoxybenzamine derivatives.
利用酚苄明结构中氯胺基的活性,结
一些钙拮抗剂含
二胺结构的特征,设计
成了5个酚苄明衍生
。
The determination method of ethylene chlorohydrin content by u sing FID chromatograph polyethylene glycol 20M chromatographic column was introd uced.
介绍了采用FID的色谱仪聚二醇20M色谱柱对氯
醇的定量测定方法。
The stable organic solution of dichloroglyoxime was prepared in high yield by chlorine aerated into the ethylene glycol solution of glyoxime.
将二肟溶于
二醇,通入氯气,生成稳定的二氯
二肟溶液,这种方法制备的二氯
二肟贮存稳定,产率高。
The article has introduced the method such as methanol, ethanol, ethylene glycol, pointing out synthol is the new raw material of oildom.
介绍了由成气为原料制取甲醇、
醇、
二醇等产品的方法,指出了
成气是石油化工的新原料。
Bromobutyraldehyde ethylene acetal was synthesized from crotonaldehyde by addition with hydrogen bromide and then acetalation with ethylene glycol with an overall yield of 80.
巴豆醛先与溴化氢加成,再与二醇缩醛化得到3-溴代丁醛缩
二醇,收率80.8%。
The effect of ethylene comonomer content on the crystallization, mechanical and viscoelastic properties of VERSIFY copolymers was studied by DSC, DMTA, POM and WAXD.
通过DSC,DMTA,POM和WAXD等手段,研究了共聚单
含量的变化对VERSIFY共聚
结晶性能、力学性能和粘弹性能的影响。
Depropanization is a procedure in the separation section of ethylene production and its effect is to separate component C3 from component C4 and C4 above.
脱丙烷是生产过程中分离工段的一个工艺步骤,其目的是将C_3和C_4以上组分分离。
Catches an illness the flowering branch to have the mutual infectiousness, but died of old age the flowering branch is easy to have the ethylene acceleration deterioration.
染病花枝具有相互的感染性,而凋谢的花枝易产生加速衰败。
3, A chelating agent which forms an easily water-soluble metal chelated compound such as nitrilotriacetate (NTA) or ethylene diamine tetraacetate (EDTA) is incorporated in a detergent composition.
在洗衣粉中掺入螯剂,例如次氮基三
酸酯(NTA)或者是
二胺四
酸酯(EDTA),这些螯
剂易于形成水溶性的金属螯
。
This article analyzes main factors that affect the actual operation of Demethanizer,and discusses the problems existing in the Demethanizer after the revamp of ethylene plant in Fushun,CCPC.
分析了影响中国石油抚顺石化分公司公司
装置脱甲烷塔运行的主要因素,并针对
装置改造后脱甲烷塔存在的问题进行了探讨。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
35. Ethylene and trans-dichloroethylene are both inactive in the infra-red in this region .
乙和反式
氯乙
在红外光谱的这个区域都无活性。
The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).
红外光谱检测解聚产物是纯度很高的对苯甲
甲酯(DMT)单
和乙
醇。
Stearone glycol fumaric acid (SGF) was synthesized with maleicanhydride, cinnamyl alcohol and ethylene glycol.
由于酐经醇解转型酯
途径合成了对皮肤无过敏反应的反丁
桂醇甘醇酯(SGF)。
Epoxides, episulphides and ethylene imines also polymerize via similar cyclic onium ion mechanisms.
环氧合物,环硫
合物和乙
亚胺也可以按类似于环氧?睦胱拥幕?理进行聚合。
Three Yuan second grade third rubbers (EPDM) is the ethylene, the propylene and the few non-conjugate diolefin copolymer.
三元乙丙橡胶(EPDM)是乙、丙
和少量非共轭
的共聚物。
Ethylene glycol monoether acetate are synthesized from acetic acid and ethylene glycol monoethyl ether with supported phosphotungstic acid catalyst.
以醋和乙
醇单乙醚为原料,活性白土负载磷钨
作为催
剂,合成了乙
醇单乙醚醋
酯。
Preparation of ethylene bis stearamide using stearyl chloride and ethylenediamine (EDA) as raw materials has been studied.
研究了以乙胺和硬脂酰氯为原料制备乙撑双硬脂酰胺的反应,讨论了原料配比、反应时间、反应温度的影响。
The relation of internal microstructure damage degree of furnace tube in a ethylene pyrolyzer with weldability was studied.
研究了乙裂解炉服役炉管材料内部的组织损伤程度与焊接性的关系。
Abstract: The C5 Fraction derived from ethylene steamcracker contains some very useful components, isoprene, cyclopentadiene and piperylene.
摘 要: 来自裂解乙的C5馏份含有非常有用的
工原料——异戊
、环戊
、戊间
。
According to the ethylene diamine moiety in the structure of some calcium antagonists,we designed and synthesized 5 unreported phenoxybenzamine derivatives.
利用酚苄明结构中氯乙胺基的活性,结合一些钙拮抗剂含乙胺结构的特征,设计合成了5个酚苄明衍生物。
The determination method of ethylene chlorohydrin content by u sing FID chromatograph polyethylene glycol 20M chromatographic column was introd uced.
介绍了采用FID的色谱仪聚乙醇20M色谱柱对氯乙醇的定量测定方法。
The stable organic solution of dichloroglyoxime was prepared in high yield by chlorine aerated into the ethylene glycol solution of glyoxime.
将乙肟溶于乙
醇,通入氯气,生成稳定的
氯乙
肟溶液,这种方法制备的
氯乙
肟贮存稳定,产率高。
The article has introduced the method such as methanol, ethanol, ethylene glycol, pointing out synthol is the new raw material of oildom.
介绍了由合成气为原料制取甲醇、乙醇、乙醇等产品的方法,指出了合成气是石油
工的新原料。
Bromobutyraldehyde ethylene acetal was synthesized from crotonaldehyde by addition with hydrogen bromide and then acetalation with ethylene glycol with an overall yield of 80.
巴豆醛先与溴氢加成,再与乙
醇缩醛
得到3-溴代丁醛缩乙
醇,收率80.8%。
The effect of ethylene comonomer content on the crystallization, mechanical and viscoelastic properties of VERSIFY copolymers was studied by DSC, DMTA, POM and WAXD.
通过DSC,DMTA,POM和WAXD等手段,研究了乙共聚单
含量的变
对VERSIFY共聚物结晶性能、力学性能和粘弹性能的影响。
Depropanization is a procedure in the separation section of ethylene production and its effect is to separate component C3 from component C4 and C4 above.
脱丙烷是乙生产过程中分离工段的一个工艺步骤,其目的是将C_3和C_4以上组分分离。
Catches an illness the flowering branch to have the mutual infectiousness, but died of old age the flowering branch is easy to have the ethylene acceleration deterioration.
染病花枝具有相互的感染性,而凋谢的花枝易产生乙加速衰败。
3, A chelating agent which forms an easily water-soluble metal chelated compound such as nitrilotriacetate (NTA) or ethylene diamine tetraacetate (EDTA) is incorporated in a detergent composition.
在洗衣粉中掺入螯合剂,例如次氮基三乙酯(NTA)或者是乙
胺四乙
酯(EDTA),这些螯合剂易于形成水溶性的金属螯合物。
This article analyzes main factors that affect the actual operation of Demethanizer,and discusses the problems existing in the Demethanizer after the revamp of ethylene plant in Fushun,CCPC.
分析了影响中国石油抚顺石分公司乙
公司乙
装置脱甲烷塔运行的主要因素,并针对乙
装置改造后脱甲烷塔存在的问题进行了探讨。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
35. Ethylene and trans-dichloroethylene are both inactive in the infra-red in this region .
烯和反式二氯
烯在红外光谱的这个区域都无活性。
The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).
红外光谱检测解聚产物是纯度很高的对二甲
二甲
(DMT)单
和
二醇。
Stearone glycol fumaric acid (SGF) was synthesized with maleicanhydride, cinnamyl alcohol and ethylene glycol.
由于烯二酐经醇解转型
化途径合成了对皮肤无过敏反应的反丁烯二
桂醇甘醇
(SGF)。
Epoxides, episulphides and ethylene imines also polymerize via similar cyclic onium ion mechanisms.
环氧化合物,环硫化合物和烯亚胺也可以按类似于环氧?睦胱拥幕?理进行聚合。
Three Yuan second grade third rubbers (EPDM) is the ethylene, the propylene and the few non-conjugate diolefin copolymer.
三元丙橡胶(EPDM)是
烯、丙烯和少量非共轭二烯烃的共聚物。
Ethylene glycol monoether acetate are synthesized from acetic acid and ethylene glycol monoethyl ether with supported phosphotungstic acid catalyst.
以醋和
二醇单
醚为原料,活性白土负载磷钨
作为催化剂,合成了
二醇单
醚醋
。
Preparation of ethylene bis stearamide using stearyl chloride and ethylenediamine (EDA) as raw materials has been studied.
究了以
二胺和硬脂酰氯为原料制备
撑双硬脂酰胺的反应,讨论了原料配比、反应时间、反应温度的影响。
The relation of internal microstructure damage degree of furnace tube in a ethylene pyrolyzer with weldability was studied.
究了
烯裂解炉服役炉管材料内部的组织损伤程度与焊接性的关系。
Abstract: The C5 Fraction derived from ethylene steamcracker contains some very useful components, isoprene, cyclopentadiene and piperylene.
摘 要: 来自裂解烯的C5馏份含有非常有用的化工原料——异戊二烯、环戊二烯、戊间二烯。
According to the ethylene diamine moiety in the structure of some calcium antagonists,we designed and synthesized 5 unreported phenoxybenzamine derivatives.
利用酚苄明结构中氯胺基的活性,结合一些钙拮抗剂含
二胺结构的特征,设计合成了5个酚苄明衍生物。
The determination method of ethylene chlorohydrin content by u sing FID chromatograph polyethylene glycol 20M chromatographic column was introd uced.
介绍了采用FID的色谱仪聚二醇20M色谱柱对氯
醇的定量测定方法。
The stable organic solution of dichloroglyoxime was prepared in high yield by chlorine aerated into the ethylene glycol solution of glyoxime.
将二肟溶于
二醇,通入氯气,生成稳定的二氯
二肟溶液,这种方法制备的二氯
二肟贮存稳定,产率高。
The article has introduced the method such as methanol, ethanol, ethylene glycol, pointing out synthol is the new raw material of oildom.
介绍了由合成气为原料制取甲醇、醇、
二醇等产品的方法,指出了合成气是石油化工的新原料。
Bromobutyraldehyde ethylene acetal was synthesized from crotonaldehyde by addition with hydrogen bromide and then acetalation with ethylene glycol with an overall yield of 80.
巴豆醛先与溴化氢加成,再与二醇缩醛化得到3-溴代丁醛缩
二醇,收率80.8%。
The effect of ethylene comonomer content on the crystallization, mechanical and viscoelastic properties of VERSIFY copolymers was studied by DSC, DMTA, POM and WAXD.
通过DSC,DMTA,POM和WAXD等手段,究了
烯共聚单
含量的变化对VERSIFY共聚物结晶性能、力学性能和粘弹性能的影响。
Depropanization is a procedure in the separation section of ethylene production and its effect is to separate component C3 from component C4 and C4 above.
脱丙烷是烯生产过程中分离工段的一个工艺步骤,其目的是将C_3和C_4以上组分分离。
Catches an illness the flowering branch to have the mutual infectiousness, but died of old age the flowering branch is easy to have the ethylene acceleration deterioration.
染病花枝具有相互的感染性,而凋谢的花枝易产生烯加速衰败。
3, A chelating agent which forms an easily water-soluble metal chelated compound such as nitrilotriacetate (NTA) or ethylene diamine tetraacetate (EDTA) is incorporated in a detergent composition.
在洗衣粉中掺入螯合剂,例如次氮基三(NTA)或者是
二胺四
(EDTA),这些螯合剂易于形成水溶性的金属螯合物。
This article analyzes main factors that affect the actual operation of Demethanizer,and discusses the problems existing in the Demethanizer after the revamp of ethylene plant in Fushun,CCPC.
分析了影响中国石油抚顺石化分公司烯公司
烯装置脱甲烷塔运行的主要因素,并针对
烯装置改造后脱甲烷塔存在的问题进行了探讨。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
35. Ethylene and trans-dichloroethylene are both inactive in the infra-red in this region .
烯和反式二氯
烯在红外光谱
这个区域都无活性。
The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).
红外光谱检测解聚产物是纯度很高对苯二甲酸二甲酯(DMT)单
和
二醇。
Stearone glycol fumaric acid (SGF) was synthesized with maleicanhydride, cinnamyl alcohol and ethylene glycol.
由于烯二酸酐经醇解转型酯化途径合成了对皮肤无过敏反应反丁烯二酸桂醇甘醇酯(SGF)。
Epoxides, episulphides and ethylene imines also polymerize via similar cyclic onium ion mechanisms.
环氧化合物,环硫化合物和烯亚
也可以按类似于环氧?睦胱拥幕?理进行聚合。
Three Yuan second grade third rubbers (EPDM) is the ethylene, the propylene and the few non-conjugate diolefin copolymer.
三元丙橡胶(EPDM)是
烯、丙烯和少量非共轭二烯烃
共聚物。
Ethylene glycol monoether acetate are synthesized from acetic acid and ethylene glycol monoethyl ether with supported phosphotungstic acid catalyst.
以醋酸和二醇单
醚为原料,活性白土负载磷钨酸作为催化剂,合成了
二醇单
醚醋酸酯。
Preparation of ethylene bis stearamide using stearyl chloride and ethylenediamine (EDA) as raw materials has been studied.
研究了以二
和硬脂
氯为原料制备
撑双硬脂
反应,讨论了原料配比、反应时间、反应温度
影响。
The relation of internal microstructure damage degree of furnace tube in a ethylene pyrolyzer with weldability was studied.
研究了烯裂解炉服役炉管材料内部
组织损伤程度与焊接性
关系。
Abstract: The C5 Fraction derived from ethylene steamcracker contains some very useful components, isoprene, cyclopentadiene and piperylene.
摘 要: 来自裂解烯
C5馏份含有非常有用
化工原料——异戊二烯、环戊二烯、戊间二烯。
According to the ethylene diamine moiety in the structure of some calcium antagonists,we designed and synthesized 5 unreported phenoxybenzamine derivatives.
利用酚苄明结构中氯基
活性,结合一些钙拮抗剂含
二
结构
特征,设计合成了5个酚苄明衍生物。
The determination method of ethylene chlorohydrin content by u sing FID chromatograph polyethylene glycol 20M chromatographic column was introd uced.
介绍了采用FID色谱仪聚
二醇20M色谱柱对氯
醇
定量测定方法。
The stable organic solution of dichloroglyoxime was prepared in high yield by chlorine aerated into the ethylene glycol solution of glyoxime.
将二肟溶于
二醇,通入氯气,生成稳定
二氯
二肟溶液,这种方法制备
二氯
二肟贮存稳定,产率高。
The article has introduced the method such as methanol, ethanol, ethylene glycol, pointing out synthol is the new raw material of oildom.
介绍了由合成气为原料制取甲醇、醇、
二醇等产品
方法,指出了合成气是石油化工
新原料。
Bromobutyraldehyde ethylene acetal was synthesized from crotonaldehyde by addition with hydrogen bromide and then acetalation with ethylene glycol with an overall yield of 80.
巴豆醛先与溴化氢加成,再与二醇缩醛化得到3-溴代丁醛缩
二醇,收率80.8%。
The effect of ethylene comonomer content on the crystallization, mechanical and viscoelastic properties of VERSIFY copolymers was studied by DSC, DMTA, POM and WAXD.
通过DSC,DMTA,POM和WAXD等手段,研究了烯共聚单
含量
变化对VERSIFY共聚物结晶性能、力学性能和粘弹性能
影响。
Depropanization is a procedure in the separation section of ethylene production and its effect is to separate component C3 from component C4 and C4 above.
脱丙烷是烯生产过程中分离工段
一个工艺步骤,其目
是将C_3和C_4以上组分分离。
Catches an illness the flowering branch to have the mutual infectiousness, but died of old age the flowering branch is easy to have the ethylene acceleration deterioration.
染病花枝具有相互感染性,而凋谢
花枝易产生
烯加速衰败。
3, A chelating agent which forms an easily water-soluble metal chelated compound such as nitrilotriacetate (NTA) or ethylene diamine tetraacetate (EDTA) is incorporated in a detergent composition.
在洗衣粉中掺入螯合剂,例如次氮基三酸酯(NTA)或者是
二
四
酸酯(EDTA),这些螯合剂易于形成水溶性
金属螯合物。
This article analyzes main factors that affect the actual operation of Demethanizer,and discusses the problems existing in the Demethanizer after the revamp of ethylene plant in Fushun,CCPC.
分析了影响中国石油抚顺石化分公司烯公司
烯装置脱甲烷塔运行
主要因素,并针对
烯装置改造后脱甲烷塔存在
问题进行了探讨。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件观点;若发现问题,欢迎向我们指正。
35. Ethylene and trans-dichloroethylene are both inactive in the infra-red in this region .
和反式
氯
在红外光谱的这个区域都无
。
The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).
红外光谱检测解聚产物是纯度很高的对苯甲酸
甲酯(DMT)单
和
醇。
Stearone glycol fumaric acid (SGF) was synthesized with maleicanhydride, cinnamyl alcohol and ethylene glycol.
由于酸酐经醇解转型酯化途径合成了对皮肤无过敏反应的反丁
酸桂醇甘醇酯(SGF)。
Epoxides, episulphides and ethylene imines also polymerize via similar cyclic onium ion mechanisms.
环氧化合物,环硫化合物和亚胺也可以按类似于环氧?睦胱拥幕?理进行聚合。
Three Yuan second grade third rubbers (EPDM) is the ethylene, the propylene and the few non-conjugate diolefin copolymer.
三元丙橡胶(EPDM)是
、丙
和少量非共轭
烃的共聚物。
Ethylene glycol monoether acetate are synthesized from acetic acid and ethylene glycol monoethyl ether with supported phosphotungstic acid catalyst.
以醋酸和醇单
醚为原
,
白土负载磷钨酸作为催化剂,合成了
醇单
醚醋酸酯。
Preparation of ethylene bis stearamide using stearyl chloride and ethylenediamine (EDA) as raw materials has been studied.
研究了以胺和硬脂酰氯为原
制备
撑双硬脂酰胺的反应,讨论了原
配比、反应时间、反应温度的影响。
The relation of internal microstructure damage degree of furnace tube in a ethylene pyrolyzer with weldability was studied.
研究了裂解炉服役炉管材
内部的组织损伤程度与焊接
的关系。
Abstract: The C5 Fraction derived from ethylene steamcracker contains some very useful components, isoprene, cyclopentadiene and piperylene.
摘 要: 来自裂解的C5馏份含有非常有用的化工原
——异戊
、环戊
、戊间
。
According to the ethylene diamine moiety in the structure of some calcium antagonists,we designed and synthesized 5 unreported phenoxybenzamine derivatives.
利用酚苄明结构中氯胺基的
,结合一些钙拮抗剂含
胺结构的特征,设计合成了5个酚苄明衍生物。
The determination method of ethylene chlorohydrin content by u sing FID chromatograph polyethylene glycol 20M chromatographic column was introd uced.
介绍了采用FID的色谱仪聚醇20M色谱柱对氯
醇的定量测定方法。
The stable organic solution of dichloroglyoxime was prepared in high yield by chlorine aerated into the ethylene glycol solution of glyoxime.
将肟溶于
醇,通入氯气,生成稳定的
氯
肟溶液,这种方法制备的
氯
肟贮存稳定,产率高。
The article has introduced the method such as methanol, ethanol, ethylene glycol, pointing out synthol is the new raw material of oildom.
介绍了由合成气为原制取甲醇、
醇、
醇等产品的方法,指出了合成气是石油化工的新原
。
Bromobutyraldehyde ethylene acetal was synthesized from crotonaldehyde by addition with hydrogen bromide and then acetalation with ethylene glycol with an overall yield of 80.
巴豆醛先与溴化氢加成,再与醇缩醛化得到3-溴代丁醛缩
醇,收率80.8%。
The effect of ethylene comonomer content on the crystallization, mechanical and viscoelastic properties of VERSIFY copolymers was studied by DSC, DMTA, POM and WAXD.
通过DSC,DMTA,POM和WAXD等手段,研究了共聚单
含量的变化对VERSIFY共聚物结晶
能、力学
能和粘弹
能的影响。
Depropanization is a procedure in the separation section of ethylene production and its effect is to separate component C3 from component C4 and C4 above.
脱丙烷是生产过程中分离工段的一个工艺步骤,其目的是将C_3和C_4以上组分分离。
Catches an illness the flowering branch to have the mutual infectiousness, but died of old age the flowering branch is easy to have the ethylene acceleration deterioration.
染病花枝具有相互的感染,而凋谢的花枝易产生
加速衰败。
3, A chelating agent which forms an easily water-soluble metal chelated compound such as nitrilotriacetate (NTA) or ethylene diamine tetraacetate (EDTA) is incorporated in a detergent composition.
在洗衣粉中掺入螯合剂,例如次氮基三酸酯(NTA)或者是
胺四
酸酯(EDTA),这些螯合剂易于形成水溶
的金属螯合物。
This article analyzes main factors that affect the actual operation of Demethanizer,and discusses the problems existing in the Demethanizer after the revamp of ethylene plant in Fushun,CCPC.
分析了影响中国石油抚顺石化分公司公司
装置脱甲烷塔运行的主要因素,并针对
装置改造后脱甲烷塔存在的问题进行了探讨。
声明:以上例句、词分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
35. Ethylene and trans-dichloroethylene are both inactive in the infra-red in this region .
和反式二氯
在红外光谱的这个区域都无活性。
The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).
红外光谱检测解聚产物是纯度很高的对苯二甲酸二甲酯(DMT)单和
二醇。
Stearone glycol fumaric acid (SGF) was synthesized with maleicanhydride, cinnamyl alcohol and ethylene glycol.
由于二酸酐经醇解转型酯
途径合成了对皮肤无过敏反应的反丁
二酸桂醇甘醇酯(SGF)。
Epoxides, episulphides and ethylene imines also polymerize via similar cyclic onium ion mechanisms.
环氧合物,环硫
合物和
亚胺也可以按类似于环氧?
幕?理进行聚合。
Three Yuan second grade third rubbers (EPDM) is the ethylene, the propylene and the few non-conjugate diolefin copolymer.
三元丙橡胶(EPDM)是
、丙
和少量非共轭二
烃的共聚物。
Ethylene glycol monoether acetate are synthesized from acetic acid and ethylene glycol monoethyl ether with supported phosphotungstic acid catalyst.
以醋酸和二醇单
醚为原料,活性白土负载磷钨酸作为催
剂,合成了
二醇单
醚醋酸酯。
Preparation of ethylene bis stearamide using stearyl chloride and ethylenediamine (EDA) as raw materials has been studied.
研究了以二胺和硬脂酰氯为原料制备
撑双硬脂酰胺的反应,讨论了原料配比、反应时间、反应温度的影响。
The relation of internal microstructure damage degree of furnace tube in a ethylene pyrolyzer with weldability was studied.
研究了裂解炉服役炉管材料内部的组织损伤程度与焊接性的关系。
Abstract: The C5 Fraction derived from ethylene steamcracker contains some very useful components, isoprene, cyclopentadiene and piperylene.
摘 要: 来自裂解的C5馏份含有非常有用的
工原料——异戊二
、环戊二
、戊间二
。
According to the ethylene diamine moiety in the structure of some calcium antagonists,we designed and synthesized 5 unreported phenoxybenzamine derivatives.
利用酚苄明结构中氯胺基的活性,结合一些钙拮抗剂含
二胺结构的特征,设计合成了5个酚苄明衍生物。
The determination method of ethylene chlorohydrin content by u sing FID chromatograph polyethylene glycol 20M chromatographic column was introd uced.
介绍了采用FID的色谱仪聚二醇20M色谱柱对氯
醇的定量测定方法。
The stable organic solution of dichloroglyoxime was prepared in high yield by chlorine aerated into the ethylene glycol solution of glyoxime.
将二肟溶于
二醇,通入氯气,生成稳定的二氯
二肟溶液,这种方法制备的二氯
二肟贮存稳定,产率高。
The article has introduced the method such as methanol, ethanol, ethylene glycol, pointing out synthol is the new raw material of oildom.
介绍了由合成气为原料制取甲醇、醇、
二醇等产品的方法,指出了合成气是石油
工的新原料。
Bromobutyraldehyde ethylene acetal was synthesized from crotonaldehyde by addition with hydrogen bromide and then acetalation with ethylene glycol with an overall yield of 80.
巴豆醛先与溴氢加成,再与
二醇缩醛
得到3-溴代丁醛缩
二醇,收率80.8%。
The effect of ethylene comonomer content on the crystallization, mechanical and viscoelastic properties of VERSIFY copolymers was studied by DSC, DMTA, POM and WAXD.
通过DSC,DMTA,POM和WAXD等手段,研究了共聚单
含量的变
对VERSIFY共聚物结晶性能、力学性能和粘弹性能的影响。
Depropanization is a procedure in the separation section of ethylene production and its effect is to separate component C3 from component C4 and C4 above.
脱丙烷是生产过程中分离工段的一个工艺步骤,其目的是将C_3和C_4以上组分分离。
Catches an illness the flowering branch to have the mutual infectiousness, but died of old age the flowering branch is easy to have the ethylene acceleration deterioration.
染病花枝具有相互的感染性,而凋谢的花枝易产生加速衰败。
3, A chelating agent which forms an easily water-soluble metal chelated compound such as nitrilotriacetate (NTA) or ethylene diamine tetraacetate (EDTA) is incorporated in a detergent composition.
在洗衣粉中掺入螯合剂,例如次氮基三酸酯(NTA)或者是
二胺四
酸酯(EDTA),这些螯合剂易于形成水溶性的金属螯合物。
This article analyzes main factors that affect the actual operation of Demethanizer,and discusses the problems existing in the Demethanizer after the revamp of ethylene plant in Fushun,CCPC.
分析了影响中国石油抚顺石分公司
公司
装置脱甲烷塔运行的主要因素,并针对
装置改造后脱甲烷塔存在的问题进行了探讨。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
35. Ethylene and trans-dichloroethylene are both inactive in the infra-red in this region .
乙烯和反式二氯乙烯在谱的这个区域都无活性。
The main products of PET supercritical methanolysis are dimethyl terephthalate(DMT) and ethylene glycol(EG).
谱检测解聚产物是纯度很高的
苯二甲酸二甲酯(DMT)单
和乙二醇。
Stearone glycol fumaric acid (SGF) was synthesized with maleicanhydride, cinnamyl alcohol and ethylene glycol.
由于烯二酸酐经醇解转型酯化途径合成了无过敏反应的反丁烯二酸桂醇甘醇酯(SGF)。
Epoxides, episulphides and ethylene imines also polymerize via similar cyclic onium ion mechanisms.
环氧化合物,环硫化合物和乙烯亚胺也可以按类似于环氧?睦胱拥幕?理进行聚合。
Three Yuan second grade third rubbers (EPDM) is the ethylene, the propylene and the few non-conjugate diolefin copolymer.
三元乙丙橡胶(EPDM)是乙烯、丙烯和少量非共轭二烯烃的共聚物。
Ethylene glycol monoether acetate are synthesized from acetic acid and ethylene glycol monoethyl ether with supported phosphotungstic acid catalyst.
以醋酸和乙二醇单乙醚为原料,活性白土负载磷钨酸作为催化剂,合成了乙二醇单乙醚醋酸酯。
Preparation of ethylene bis stearamide using stearyl chloride and ethylenediamine (EDA) as raw materials has been studied.
研究了以乙二胺和硬脂酰氯为原料制备乙撑双硬脂酰胺的反应,讨论了原料配比、反应时间、反应温度的影响。
The relation of internal microstructure damage degree of furnace tube in a ethylene pyrolyzer with weldability was studied.
研究了乙烯裂解炉服役炉管材料内部的组织损伤程度与焊接性的关系。
Abstract: The C5 Fraction derived from ethylene steamcracker contains some very useful components, isoprene, cyclopentadiene and piperylene.
摘 要: 来自裂解乙烯的C5馏份含有非常有用的化工原料——异戊二烯、环戊二烯、戊间二烯。
According to the ethylene diamine moiety in the structure of some calcium antagonists,we designed and synthesized 5 unreported phenoxybenzamine derivatives.
利用酚苄明结构中氯乙胺基的活性,结合一些钙拮抗剂含乙二胺结构的特征,设计合成了5个酚苄明衍生物。
The determination method of ethylene chlorohydrin content by u sing FID chromatograph polyethylene glycol 20M chromatographic column was introd uced.
介绍了采用FID的色谱仪聚乙二醇20M色谱柱氯乙醇的定量测定方法。
The stable organic solution of dichloroglyoxime was prepared in high yield by chlorine aerated into the ethylene glycol solution of glyoxime.
将乙二肟溶于乙二醇,通入氯气,生成稳定的二氯乙二肟溶液,这种方法制备的二氯乙二肟贮存稳定,产率高。
The article has introduced the method such as methanol, ethanol, ethylene glycol, pointing out synthol is the new raw material of oildom.
介绍了由合成气为原料制取甲醇、乙醇、乙二醇等产品的方法,指出了合成气是石油化工的新原料。
Bromobutyraldehyde ethylene acetal was synthesized from crotonaldehyde by addition with hydrogen bromide and then acetalation with ethylene glycol with an overall yield of 80.
巴豆醛先与溴化氢加成,再与乙二醇缩醛化得到3-溴代丁醛缩乙二醇,收率80.8%。
The effect of ethylene comonomer content on the crystallization, mechanical and viscoelastic properties of VERSIFY copolymers was studied by DSC, DMTA, POM and WAXD.
通过DSC,DMTA,POM和WAXD等手段,研究了乙烯共聚单含量的变化
VERSIFY共聚物结晶性能、力学性能和粘弹性能的影响。
Depropanization is a procedure in the separation section of ethylene production and its effect is to separate component C3 from component C4 and C4 above.
脱丙烷是乙烯生产过程中分离工段的一个工艺步骤,其目的是将C_3和C_4以上组分分离。
Catches an illness the flowering branch to have the mutual infectiousness, but died of old age the flowering branch is easy to have the ethylene acceleration deterioration.
染病花枝具有相互的感染性,而凋谢的花枝易产生乙烯加速衰败。
3, A chelating agent which forms an easily water-soluble metal chelated compound such as nitrilotriacetate (NTA) or ethylene diamine tetraacetate (EDTA) is incorporated in a detergent composition.
在洗衣粉中掺入螯合剂,例如次氮基三乙酸酯(NTA)或者是乙二胺四乙酸酯(EDTA),这些螯合剂易于形成水溶性的金属螯合物。
This article analyzes main factors that affect the actual operation of Demethanizer,and discusses the problems existing in the Demethanizer after the revamp of ethylene plant in Fushun,CCPC.
分析了影响中国石油抚顺石化分公司乙烯公司乙烯装置脱甲烷塔运行的主要因素,并针乙烯装置改造后脱甲烷塔存在的问题进行了探讨。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。