Studies indicate that chymist coprecipitation annexed azeotropic distillation can better prevent from hard-agglomeration and obtains homodisperse nanoparticle.
研究表明,在共沉淀法中辅以共沸蒸馏过程,可以较好地防止粉体的硬团聚,得到分散均匀的纳米级超细粉体。
Studies indicate that chymist coprecipitation annexed azeotropic distillation can better prevent from hard-agglomeration and obtains homodisperse nanoparticle.
研究表明,在共沉淀法中辅以共沸蒸馏过程,可以较好地防止粉体的硬团聚,得到分散均匀的纳米级超细粉体。
P-methoxybenzeneacetonitrile was prepared in 34. 8% yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.
以苯甲醚为原料,经过氯甲基化,氰化应后,通过精馏获得对甲氧基苯乙腈,总收率为34.8%。
Codistillation is distillation which is performed on mixtures in which the two compounds are not miscible.
共馏是对由不易混合的两种化合物组成的混合物进行的蒸馏。
The distillation system design of isomeric dichlorotoluene and its production process are given in detail in this paper.
详细讨论了二氯甲苯异构体精馏塔系统的工程设计与生产过程。
The quality of green oxane can be up-graded by addition of acid followed by distillation or by p...
对青
酸再精馏或长期贮存,可以提高产品质量。
Definition: Nutmeg oil is obtained by steam distillation of the dried and crushed kernels of Myristica fragrans Houtt.
本品为肉豆蔻科植物肉豆蔻树Myristica fragrans Houtt.压碎的新鲜果仁经水蒸气蒸馏获得的挥发油。
Energy-saving ethanol dehydration techniques to produce dehydrated alcohol mainly included four measures as azeotropy distillation, extraction distillation, absorptive process and membrane separation.
摘要节能型乙醇脱水制备无水乙醇的方法主要有4种:共沸精馏法、萃取精馏法、吸附法和膜分离法。
By fuming with sulfuric-phosphoric acid mixture the residual hydrofluoride was then expelled,and boron was finally determined by curcumin spectrophotometry after distillation.
同时,对所拟溶样条件下所得硼的分析结果是否为全硼问题进行了进一步探讨,结果证实,所拟溶样条件下硼的测定结果为全硼。
The main factors that influence the extractive distillation were researched such as the theoretical plate number, feedboard, solvent ratio, reflux ratio, the temperature of solvent.
通过计算考察了理论板数、进料位置、溶剂比、回流比、萃取剂温度等主要影响因素的改变对萃取精馏过程的影响,为工业应用提供理论与实践基础。
To prepare Muxiang shunqi oral liquid,steam distillation,diacolation and decoction methods were adopted and compared. The results show that the steam distillation is the best process.
采用水蒸汽蒸馏提取法、渗漉法和煎煮法制备木香顺气口服液。通过成品的理化性质及薄层色谱的比较,确定水蒸汽蒸馏提取法为最佳工艺,并确定最佳流程。
With the carbonium 5 separation unit as an example, the operational performance and the energy saving effects of the thermal-ly coupled distillation was simulated and analyzed for the nonideal system.
以碳五分离装置为例,对热偶精馏塔用于非理想体系的操作特性和节能效果进行了模拟分析与研究。
声明:以上例、词性分类均由互
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。
Studies indicate that chymist coprecipitation annexed azeotropic distillation can better prevent from hard-agglomeration and obtains homodisperse nanoparticle.
研究表明,在共沉淀法中辅以共沸蒸馏过程,可以较好地防止粉体的硬,
到分散均匀的纳米级超细粉体。
P-methoxybenzeneacetonitrile was prepared in 34. 8% yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.
以苯甲醚为原料,经过氯甲基化,氰化反应后,通过精馏获对甲氧基苯乙腈,总收率为34.8%。
Codistillation is distillation which is performed on mixtures in which the two compounds are not miscible.
共馏是对由不易混合的两种化合物组成的混合物进行的蒸馏。
The distillation system design of isomeric dichlorotoluene and its production process are given in detail in this paper.
详细讨论了二氯甲苯异构体精馏塔系统的工程设计与生产过程。
The quality of green oxane can be up-graded by addition of acid followed by distillation or by p...
对青叶烷加酸再精馏或长期贮存,可以提高产品质量。
Definition: Nutmeg oil is obtained by steam distillation of the dried and crushed kernels of Myristica fragrans Houtt.
本品为肉豆蔻科植物肉豆蔻树Myristica fragrans Houtt.压碎的新鲜果仁经水蒸气蒸馏获的挥发油。
Energy-saving ethanol dehydration techniques to produce dehydrated alcohol mainly included four measures as azeotropy distillation, extraction distillation, absorptive process and membrane separation.
摘要节能型乙醇脱水制备无水乙醇的方法主要有4种:共沸精馏法、萃取精馏法、吸附法和膜分离法。
By fuming with sulfuric-phosphoric acid mixture the residual hydrofluoride was then expelled,and boron was finally determined by curcumin spectrophotometry after distillation.
同时,对所拟溶样条件下所硼的分析结果是否为全硼问题进行了进一步探讨,结果证实,所拟溶样条件下硼的测定结果为全硼。
The main factors that influence the extractive distillation were researched such as the theoretical plate number, feedboard, solvent ratio, reflux ratio, the temperature of solvent.
通过计算考察了理论板数、进料位置、溶剂比、回流比、萃取剂温度等主要影响因素的改变对萃取精馏过程的影响,为工业应用提供理论与实践基础。
To prepare Muxiang shunqi oral liquid,steam distillation,diacolation and decoction methods were adopted and compared. The results show that the steam distillation is the best process.
采用水蒸汽蒸馏提取法、渗漉法和煎煮法制备木香顺气口服液。通过成品的理化性质及薄层色谱的比较,确定水蒸汽蒸馏提取法为最佳工艺,并确定最佳流程。
With the carbonium 5 separation unit as an example, the operational performance and the energy saving effects of the thermal-ly coupled distillation was simulated and analyzed for the nonideal system.
以碳五分离装置为例,对热偶精馏塔用于非理想体系的操作特性和节能效果进行了模拟分析与研究。
声明:以上例、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。
Studies indicate that chymist coprecipitation annexed azeotropic distillation can better prevent from hard-agglomeration and obtains homodisperse nanoparticle.
研究表明,在共沉淀法中辅以共沸蒸过程,可以较好地防止粉体的硬团聚,
到分散均匀的纳米级超细粉体。
P-methoxybenzeneacetonitrile was prepared in 34. 8% yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.
以苯甲醚为原料,经过氯甲基化,氰化反应后,通过精甲氧基苯乙腈,总收率为34.8%。
Codistillation is distillation which is performed on mixtures in which the two compounds are not miscible.
共是
由不易混合的两种化合物组成的混合物进行的蒸
。
The distillation system design of isomeric dichlorotoluene and its production process are given in detail in this paper.
详细讨论了二氯甲苯异构体精塔系统的工程设计与生产过程。
The quality of green oxane can be up-graded by addition of acid followed by distillation or by p...
青叶烷加酸再精
或长期贮存,可以提
产品质量。
Definition: Nutmeg oil is obtained by steam distillation of the dried and crushed kernels of Myristica fragrans Houtt.
本品为肉豆蔻科植物肉豆蔻树Myristica fragrans Houtt.压碎的新鲜果仁经水蒸气蒸的挥发油。
Energy-saving ethanol dehydration techniques to produce dehydrated alcohol mainly included four measures as azeotropy distillation, extraction distillation, absorptive process and membrane separation.
摘要节能型乙醇脱水制备无水乙醇的方法主要有4种:共沸精法、萃取精
法、吸附法和膜分离法。
By fuming with sulfuric-phosphoric acid mixture the residual hydrofluoride was then expelled,and boron was finally determined by curcumin spectrophotometry after distillation.
同时,所拟溶样条件下所
硼的分析结果是否为全硼问题进行了进一步探讨,结果证实,所拟溶样条件下硼的测定结果为全硼。
The main factors that influence the extractive distillation were researched such as the theoretical plate number, feedboard, solvent ratio, reflux ratio, the temperature of solvent.
通过计算考察了理论板数、进料位置、溶剂比、回流比、萃取剂温度等主要影响因素的改变萃取精
过程的影响,为工业应用提供理论与实践基础。
To prepare Muxiang shunqi oral liquid,steam distillation,diacolation and decoction methods were adopted and compared. The results show that the steam distillation is the best process.
采用水蒸汽蒸提取法、渗漉法和煎煮法制备木香顺气口服液。通过成品的理化性质及薄层色谱的比较,确定水蒸汽蒸
提取法为最佳工艺,并确定最佳流程。
With the carbonium 5 separation unit as an example, the operational performance and the energy saving effects of the thermal-ly coupled distillation was simulated and analyzed for the nonideal system.
以碳五分离装置为例,热偶精
塔用于非理想体系的操作特性和节能效果进行了模拟分析与研究。
声明:以上例、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。
Studies indicate that chymist coprecipitation annexed azeotropic distillation can better prevent from hard-agglomeration and obtains homodisperse nanoparticle.
研究表明,在共沉淀法中辅以共沸蒸过程,可以较好地防止
体的硬团聚,得到分散均匀的纳米级
体。
P-methoxybenzeneacetonitrile was prepared in 34. 8% yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.
以苯甲醚为原料,经过氯甲基化,氰化反应后,通过精获得对甲氧基苯乙腈,总收率为34.8%。
Codistillation is distillation which is performed on mixtures in which the two compounds are not miscible.
共是对由不易混合的两种化合物组成的混合物进行的蒸
。
The distillation system design of isomeric dichlorotoluene and its production process are given in detail in this paper.
详讨论了二氯甲苯异构体精
塔系统的工程设计与生产过程。
The quality of green oxane can be up-graded by addition of acid followed by distillation or by p...
对青叶烷加酸再精或长期贮存,可以提高产品质量。
Definition: Nutmeg oil is obtained by steam distillation of the dried and crushed kernels of Myristica fragrans Houtt.
本品为肉豆蔻科植物肉豆蔻树Myristica fragrans Houtt.压碎的新鲜果仁经水蒸气蒸获得的挥发油。
Energy-saving ethanol dehydration techniques to produce dehydrated alcohol mainly included four measures as azeotropy distillation, extraction distillation, absorptive process and membrane separation.
摘要节能型乙醇脱水制备无水乙醇的方法主要有4种:共沸精法、萃取精
法、吸附法和膜分离法。
By fuming with sulfuric-phosphoric acid mixture the residual hydrofluoride was then expelled,and boron was finally determined by curcumin spectrophotometry after distillation.
同时,对所拟溶样条件下所得硼的分析结果是否为全硼问题进行了进一步探讨,结果证实,所拟溶样条件下硼的测定结果为全硼。
The main factors that influence the extractive distillation were researched such as the theoretical plate number, feedboard, solvent ratio, reflux ratio, the temperature of solvent.
通过计算考察了理论板数、进料位置、溶剂比、回流比、萃取剂温度主要影响因素的改变对萃取精
过程的影响,为工业应用提供理论与实践基础。
To prepare Muxiang shunqi oral liquid,steam distillation,diacolation and decoction methods were adopted and compared. The results show that the steam distillation is the best process.
采用水蒸汽蒸提取法、渗漉法和煎煮法制备木香顺气口服液。通过成品的理化性质及薄层色谱的比较,确定水蒸汽蒸
提取法为最佳工艺,并确定最佳流程。
With the carbonium 5 separation unit as an example, the operational performance and the energy saving effects of the thermal-ly coupled distillation was simulated and analyzed for the nonideal system.
以碳五分离装置为例,对热偶精塔用于非理想体系的操作特性和节能效果进行了模拟分析与研究。
声明:以上例、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。
Studies indicate that chymist coprecipitation annexed azeotropic distillation can better prevent from hard-agglomeration and obtains homodisperse nanoparticle.
研究表明,在共沉淀法中辅以共沸过
,可以较好地防止粉体
硬团聚,
到分散均匀
纳米级超细粉体。
P-methoxybenzeneacetonitrile was prepared in 34. 8% yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.
以苯甲醚为原料,经过氯甲基化,氰化反应后,通过精获
对甲氧基苯乙腈,总收率为34.8%。
Codistillation is distillation which is performed on mixtures in which the two compounds are not miscible.
共是对由不易混合
两种化合物组成
混合物进行
。
The distillation system design of isomeric dichlorotoluene and its production process are given in detail in this paper.
详细讨论了二氯甲苯异构体精塔系统
设计与生产过
。
The quality of green oxane can be up-graded by addition of acid followed by distillation or by p...
对青叶烷加酸再精或长期贮存,可以提高产品质量。
Definition: Nutmeg oil is obtained by steam distillation of the dried and crushed kernels of Myristica fragrans Houtt.
本品为肉豆蔻科植物肉豆蔻树Myristica fragrans Houtt.压碎新鲜果仁经水
气
获
挥发油。
Energy-saving ethanol dehydration techniques to produce dehydrated alcohol mainly included four measures as azeotropy distillation, extraction distillation, absorptive process and membrane separation.
摘要节能型乙醇脱水制备无水乙醇方法主要有4种:共沸精
法、萃取精
法、吸附法和膜分离法。
By fuming with sulfuric-phosphoric acid mixture the residual hydrofluoride was then expelled,and boron was finally determined by curcumin spectrophotometry after distillation.
同时,对所拟溶样条件下所硼
分析结果是否为全硼问题进行了进一步探讨,结果证实,所拟溶样条件下硼
测定结果为全硼。
The main factors that influence the extractive distillation were researched such as the theoretical plate number, feedboard, solvent ratio, reflux ratio, the temperature of solvent.
通过计算考察了理论板数、进料位置、溶剂比、回流比、萃取剂温度等主要影响因素改变对萃取精
过
影响,为
业应用提供理论与实践基础。
To prepare Muxiang shunqi oral liquid,steam distillation,diacolation and decoction methods were adopted and compared. The results show that the steam distillation is the best process.
采用水汽
提取法、渗漉法和煎煮法制备木香顺气口服液。通过成品
理化性质及薄层色谱
比较,确定水
汽
提取法为最佳
艺,并确定最佳流
。
With the carbonium 5 separation unit as an example, the operational performance and the energy saving effects of the thermal-ly coupled distillation was simulated and analyzed for the nonideal system.
以碳五分离装置为例,对热偶精塔用于非理想体系
操作特性和节能效果进行了模拟分析与研究。
声明:以上例、词性分类均由互联网资源自动生成,部分未经过人
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。
Studies indicate that chymist coprecipitation annexed azeotropic distillation can better prevent from hard-agglomeration and obtains homodisperse nanoparticle.
研究表明,在共沉淀法中辅以共沸蒸馏过程,可以较好地防止粉体的硬团聚,得到分散均匀的纳米级超细粉体。
P-methoxybenzeneacetonitrile was prepared in 34. 8% yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.
以苯甲醚为原料,经过氯甲基化,氰化反应后,通过精馏获得对甲氧基苯乙腈,总收率为34.8%。
Codistillation is distillation which is performed on mixtures in which the two compounds are not miscible.
共馏是对由不易混合的两化合物组成的混合物进行的蒸馏。
The distillation system design of isomeric dichlorotoluene and its production process are given in detail in this paper.
详细讨论了二氯甲苯异构体精馏塔系统的工程设计与生过程。
The quality of green oxane can be up-graded by addition of acid followed by distillation or by p...
对青叶烷加酸再精馏或长期贮存,可以提质量。
Definition: Nutmeg oil is obtained by steam distillation of the dried and crushed kernels of Myristica fragrans Houtt.
本为肉豆蔻科植物肉豆蔻树Myristica fragrans Houtt.压碎的新鲜果仁经水蒸气蒸馏获得的挥发油。
Energy-saving ethanol dehydration techniques to produce dehydrated alcohol mainly included four measures as azeotropy distillation, extraction distillation, absorptive process and membrane separation.
摘要节能型乙醇脱水制备无水乙醇的方法主要有4:共沸精馏法、萃取精馏法、吸附法和膜分离法。
By fuming with sulfuric-phosphoric acid mixture the residual hydrofluoride was then expelled,and boron was finally determined by curcumin spectrophotometry after distillation.
同时,对所拟溶样条件下所得硼的分析结果是否为全硼问题进行了进一步探讨,结果证实,所拟溶样条件下硼的测定结果为全硼。
The main factors that influence the extractive distillation were researched such as the theoretical plate number, feedboard, solvent ratio, reflux ratio, the temperature of solvent.
通过计算考察了理论板数、进料位置、溶剂比、回流比、萃取剂温度等主要影响因素的改变对萃取精馏过程的影响,为工业应用提供理论与实践基础。
To prepare Muxiang shunqi oral liquid,steam distillation,diacolation and decoction methods were adopted and compared. The results show that the steam distillation is the best process.
采用水蒸汽蒸馏提取法、渗漉法和煎煮法制备木香顺气口服液。通过成的理化性质及薄层色谱的比较,确定水蒸汽蒸馏提取法为最佳工艺,并确定最佳流程。
With the carbonium 5 separation unit as an example, the operational performance and the energy saving effects of the thermal-ly coupled distillation was simulated and analyzed for the nonideal system.
以碳五分离装置为例,对热偶精馏塔用于非理想体系的操作特性和节能效果进行了模拟分析与研究。
声明:以上例、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。
Studies indicate that chymist coprecipitation annexed azeotropic distillation can better prevent from hard-agglomeration and obtains homodisperse nanoparticle.
研究表明,在共沉淀法中辅以共沸蒸馏程,可以较好地防止粉体的硬团聚,得到分散均匀的纳米级超细粉体。
P-methoxybenzeneacetonitrile was prepared in 34. 8% yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.
以苯甲醚为原料,经甲基化,氰化反应后,通
精馏获得对甲氧基苯乙腈,总收率为34.8%。
Codistillation is distillation which is performed on mixtures in which the two compounds are not miscible.
共馏是对由不易混合的两种化合物组成的混合物进行的蒸馏。
The distillation system design of isomeric dichlorotoluene and its production process are given in detail in this paper.
详细讨论甲苯异构体精馏塔系统的工程设计与生产
程。
The quality of green oxane can be up-graded by addition of acid followed by distillation or by p...
对青叶烷加酸再精馏或长期贮存,可以提高产品质量。
Definition: Nutmeg oil is obtained by steam distillation of the dried and crushed kernels of Myristica fragrans Houtt.
本品为肉豆蔻科植物肉豆蔻树Myristica fragrans Houtt.压碎的新鲜果仁经水蒸气蒸馏获得的挥油。
Energy-saving ethanol dehydration techniques to produce dehydrated alcohol mainly included four measures as azeotropy distillation, extraction distillation, absorptive process and membrane separation.
摘要节能型乙醇脱水制备无水乙醇的方法主要有4种:共沸精馏法、萃取精馏法、吸附法和膜分离法。
By fuming with sulfuric-phosphoric acid mixture the residual hydrofluoride was then expelled,and boron was finally determined by curcumin spectrophotometry after distillation.
同时,对所拟溶样条件下所得硼的分析结果是否为全硼问题进行进一步探讨,结果证实,所拟溶样条件下硼的测定结果为全硼。
The main factors that influence the extractive distillation were researched such as the theoretical plate number, feedboard, solvent ratio, reflux ratio, the temperature of solvent.
通计算考察
理论板数、进料位置、溶剂比、回流比、萃取剂温度等主要影响因素的改变对萃取精馏
程的影响,为工业应用提供理论与实践基础。
To prepare Muxiang shunqi oral liquid,steam distillation,diacolation and decoction methods were adopted and compared. The results show that the steam distillation is the best process.
采用水蒸汽蒸馏提取法、渗漉法和煎煮法制备木香顺气口服液。通成品的理化性质及薄层色谱的比较,确定水蒸汽蒸馏提取法为最佳工艺,并确定最佳流程。
With the carbonium 5 separation unit as an example, the operational performance and the energy saving effects of the thermal-ly coupled distillation was simulated and analyzed for the nonideal system.
以碳五分离装置为例,对热偶精馏塔用于非理想体系的操作特性和节能效果进行模拟分析与研究。
声明:以上例、词性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
现问题,欢迎向我们指正。
Studies indicate that chymist coprecipitation annexed azeotropic distillation can better prevent from hard-agglomeration and obtains homodisperse nanoparticle.
研究表明,在共沉淀法以共沸
馏过程,可以较好地防止粉体的硬团聚,得到分散均匀的纳米级超细粉体。
P-methoxybenzeneacetonitrile was prepared in 34. 8% yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.
以苯甲醚为原料,经过氯甲基化,氰化反应后,通过精馏获得对甲氧基苯乙腈,总收率为34.8%。
Codistillation is distillation which is performed on mixtures in which the two compounds are not miscible.
共馏是对由不易混合的两种化合物组成的混合物进行的馏。
The distillation system design of isomeric dichlorotoluene and its production process are given in detail in this paper.
详细讨论了二氯甲苯异构体精馏塔系统的工程设计与生产过程。
The quality of green oxane can be up-graded by addition of acid followed by distillation or by p...
对青叶烷加酸再精馏或长期贮存,可以提高产品质量。
Definition: Nutmeg oil is obtained by steam distillation of the dried and crushed kernels of Myristica fragrans Houtt.
本品为肉豆蔻科植物肉豆蔻树Myristica fragrans Houtt.压碎的新鲜果仁经水气
馏获得的挥发油。
Energy-saving ethanol dehydration techniques to produce dehydrated alcohol mainly included four measures as azeotropy distillation, extraction distillation, absorptive process and membrane separation.
摘要节能型乙醇脱水制备无水乙醇的方法主要有4种:共沸精馏法、萃取精馏法、吸附法和膜分离法。
By fuming with sulfuric-phosphoric acid mixture the residual hydrofluoride was then expelled,and boron was finally determined by curcumin spectrophotometry after distillation.
同时,对所拟溶样条件下所得硼的分析结果是否为全硼问题进行了进一步探讨,结果证实,所拟溶样条件下硼的测定结果为全硼。
The main factors that influence the extractive distillation were researched such as the theoretical plate number, feedboard, solvent ratio, reflux ratio, the temperature of solvent.
通过计算考察了理论板数、进料位置、溶剂比、回流比、萃取剂温度等主要影响因素的改变对萃取精馏过程的影响,为工业应用提供理论与实践基础。
To prepare Muxiang shunqi oral liquid,steam distillation,diacolation and decoction methods were adopted and compared. The results show that the steam distillation is the best process.
采用水汽
馏提取法、渗漉法和煎煮法制备木香顺气口服液。通过成品的理化性质及薄层色谱的比较,确定水
汽
馏提取法为最佳工艺,并确定最佳流程。
With the carbonium 5 separation unit as an example, the operational performance and the energy saving effects of the thermal-ly coupled distillation was simulated and analyzed for the nonideal system.
以碳五分离装置为例,对热偶精馏塔用于非理想体系的操作特性和节能效果进行了模拟分析与研究。
声明:以上例、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。
Studies indicate that chymist coprecipitation annexed azeotropic distillation can better prevent from hard-agglomeration and obtains homodisperse nanoparticle.
研究表明,在共沉淀法中辅以共过程,可以较好地防止粉体的硬团聚,得到分散均匀的纳米级超细粉体。
P-methoxybenzeneacetonitrile was prepared in 34. 8% yield starting from anisole, via chloromethylation, cyanogenation and fractional distillation.
以苯甲料,经过氯甲基化,氰化反应后,通过精
获得对甲氧基苯乙腈,总收率
34.8%。
Codistillation is distillation which is performed on mixtures in which the two compounds are not miscible.
共是对由不易混合的两种化合物组成的混合物进行的
。
The distillation system design of isomeric dichlorotoluene and its production process are given in detail in this paper.
详细讨论了二氯甲苯异构体精塔系统的工程设计与生产过程。
The quality of green oxane can be up-graded by addition of acid followed by distillation or by p...
对青叶烷加酸再精或长期贮存,可以提高产品质量。
Definition: Nutmeg oil is obtained by steam distillation of the dried and crushed kernels of Myristica fragrans Houtt.
本品肉豆蔻科植物肉豆蔻树Myristica fragrans Houtt.压碎的新鲜果仁经水
气
获得的挥发油。
Energy-saving ethanol dehydration techniques to produce dehydrated alcohol mainly included four measures as azeotropy distillation, extraction distillation, absorptive process and membrane separation.
摘要节能型乙醇脱水制备无水乙醇的方法主要有4种:共精
法、萃取精
法、吸附法和膜分离法。
By fuming with sulfuric-phosphoric acid mixture the residual hydrofluoride was then expelled,and boron was finally determined by curcumin spectrophotometry after distillation.
同时,对所拟溶样条件下所得硼的分析结果是否全硼问题进行了进一步探讨,结果证实,所拟溶样条件下硼的测定结果
全硼。
The main factors that influence the extractive distillation were researched such as the theoretical plate number, feedboard, solvent ratio, reflux ratio, the temperature of solvent.
通过计算考察了理论板数、进料位置、溶剂比、回流比、萃取剂温度等主要影响因素的改变对萃取精过程的影响,
工业应用提供理论与实践基础。
To prepare Muxiang shunqi oral liquid,steam distillation,diacolation and decoction methods were adopted and compared. The results show that the steam distillation is the best process.
采用水汽
提取法、渗漉法和煎煮法制备木香顺气口服液。通过成品的理化性质及薄层色谱的比较,确定水
汽
提取法
最佳工艺,并确定最佳流程。
With the carbonium 5 separation unit as an example, the operational performance and the energy saving effects of the thermal-ly coupled distillation was simulated and analyzed for the nonideal system.
以碳五分离装置例,对热偶精
塔用于非理想体系的操作特性和节能效果进行了模拟分析与研究。
声明:以上例、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。