The mass spectra of ureide-type noncyclic polyethers with 2(3H)-benzoxazolone as end groups were studies.
研究了以2(3H)-苯并唑酮为端基、具有酰脲结构的非环多醚化合物的质谱。
The mass spectra of ureide-type noncyclic polyethers with 2(3H)-benzoxazolone as end groups were studies.
研究了以2(3H)-苯并唑酮为端基、具有酰脲结构的非环多醚化合物的质谱。
The triphenylamine azo compounds were successfully characterized by matrix-assisted laser desorption-ionization time of flight mass spectrometry(MALDI-TOF MS).
利基质辅助激光解吸电离飞行时间质谱法分析三苯胺偶氮化合物。
Objective:To develop a GC-MS approach for the determination of tripropyltin(TPrT),tributyltin(TBT) and triphenyltin(TPhT) in fish.
建立水产品中三丙基锡、三丁基锡和三苯基锡的气相色谱-质谱(GC-MS)分析方法。
The deleterious ingredients in gas emission of sculpturing organic glass were studied,using gas chromatography-mass spectrometry coupled with 3-step preconcentrator.
研究了3阶段预浓缩气相色谱-质谱法检测有在雕刻过程中排放的有害气体的组成。
Besides, laser optoacoustic spectroscopy technique and laser mass spectrometry will play more important role in research of internal combustion engine.
另外,激光光声光谱技术、激光质谱仪等有望在内燃的研究中发挥更大的作
。
Dodecanol abietate succinic anhydride was synthesized from abietic acid.The structures of products were characterized by spectrum of IR,HNMR and MS.
以枞酸为起点,合成了十二醇酯琥珀酸,
红外光谱、核磁共振波谱及质谱对中间产物及终产物进行了结构表证。
In this paper ten lactonic crown ethers weresynthesized, of which seven were new compounds.Theirstructures were confirmed by EA,IR,1HNMR andMS analysis.
合成了10个内酯型冠醚化合物,其中7个冠醚是新化合物,其结构均由元素分析,及红外、核磁、质谱分析证实。
The controls were homeochronous inpatients with affective disorder and normal individuals.lsoprene breath levels were measured by gas chromatography combined with mass spectroscopy(GC-MS).
气相色谱一质谱联
仪检测其呼出气体中异戊二烯的浓度。
Desorption chemical ionization mass spectrometry of twelve metallohematoporphyrin complexes has been investigated under DEP condition using mixture of tetramethylsilane and methane as regent gas.
本文以四甲基硅烷/甲烷混合反应气,DEP技术,测定12个金属血卟啉络合物的解吸化学电离质谱。
Based on these results and the ESI-MS data, the mechanism of sulfoxidation was proposed to be intramolecular nucleophilic oxygen transfer to a coordinated sulfide.
基于这些结果和电喷雾质谱(ESI-MS)数据,亚砜化反应的理推测为分子内亲核氧转移到络合的硫醚底物上。
The oils were analyzed by GC-MS and percentages were obtained by normalized peak areas, where main components are nootkatone, D-limonene, osthole, cis-linaloloxide, furfural, and trans.
气相色谱-质谱(GC-MS)联
技术分析,鉴定出主要成分为圆柚酮、D-柠檬烯、王草素、顺式-芳樟醇氧化物、糠醛、反式-芳樟醇氧化物。
RESULTS The chlortetracycline's epimer, tetracycline and its epimer, as impurities in chlortetracycline have been determined by the liquid chromatogram and its first order mass spectrum.
结果得到金霉素样品液相色谱图以及液相色谱峰对应的一级质谱图。对谱图进行分析归纳,推测金霉素样品中含有四环素、差向异构四环素和差向异构金霉素杂质组分。
Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used.
全蒸发技术、离子流强度积分的方式,
多接收器热表面电离质谱计测量铀同位素丰度。
The content of free acetic acid in cigarette smoke condensates was determined by GC-MS with isopropyl alcohol as the solvent and nonanol as the internal standard.
以异丙醇为溶剂,壬醇为内标,气相色谱-质谱法分析了卷烟烟气总粒相物中的游离乙酸,乙酸测定结果的相对标准偏差小于1%,平均回收率为99。
In this review,we described the recent development of mass spectrometry techniques for the study of peptidase structure and function in the central nerve system of Aplysia and other mollusks.
本文以海兔等软体动物为素材,综述近年来质谱和高效液相色谱技术研究中枢神经系统多肽酶结构与功能的进展。
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。
The mass spectra of ureide-type noncyclic polyethers with 2(3H)-benzoxazolone as end groups were studies.
研究了以2(3H)-苯并唑酮为端、具有酰脲结构
非环多醚化
物
质谱。
The triphenylamine azo compounds were successfully characterized by matrix-assisted laser desorption-ionization time of flight mass spectrometry(MALDI-TOF MS).
利用质辅助激光解吸电离飞行时间质谱法分析三苯胺偶氮化
物。
Objective:To develop a GC-MS approach for the determination of tripropyltin(TPrT),tributyltin(TBT) and triphenyltin(TPhT) in fish.
建立水产品中三丙、三丁
和三苯
气相色谱-质谱(GC-MS)分析方法。
The deleterious ingredients in gas emission of sculpturing organic glass were studied,using gas chromatography-mass spectrometry coupled with 3-step preconcentrator.
研究了3阶段预浓缩气相色谱-质谱法检测有机玻璃在雕刻过程中排放有害气体
组
。
Besides, laser optoacoustic spectroscopy technique and laser mass spectrometry will play more important role in research of internal combustion engine.
另外,激光光声光谱技术、激光质谱仪等有望在内燃机研究中发挥更大
作用。
Dodecanol abietate succinic anhydride was synthesized from abietic acid.The structures of products were characterized by spectrum of IR,HNMR and MS.
以枞酸为起点,了十二醇酯琥珀酸酐,采用红外光谱、核磁共振波谱及质谱对中间产物及终产物进行了结构表
。
In this paper ten lactonic crown ethers weresynthesized, of which seven were new compounds.Theirstructures were confirmed by EA,IR,1HNMR andMS analysis.
了10个内酯型冠醚化
物,其中7个冠醚是新化
物,其结构均由元素分析,及红外、核磁、质谱分析
实。
The controls were homeochronous inpatients with affective disorder and normal individuals.lsoprene breath levels were measured by gas chromatography combined with mass spectroscopy(GC-MS).
用气相色谱一质谱联用仪检测其呼出气体中异戊二烯浓度。
Desorption chemical ionization mass spectrometry of twelve metallohematoporphyrin complexes has been investigated under DEP condition using mixture of tetramethylsilane and methane as regent gas.
本文以四甲硅烷/甲烷混
反应气,采用DEP技术,测定12个金属血卟啉络
物
解吸化学电离质谱。
Based on these results and the ESI-MS data, the mechanism of sulfoxidation was proposed to be intramolecular nucleophilic oxygen transfer to a coordinated sulfide.
于这些结果和电喷雾质谱(ESI-MS)数据,亚砜化反应
机理推测为分子内亲核氧转移到络
硫醚底物上。
The oils were analyzed by GC-MS and percentages were obtained by normalized peak areas, where main components are nootkatone, D-limonene, osthole, cis-linaloloxide, furfural, and trans.
用气相色谱-质谱(GC-MS)联用技术分析,鉴定出主要分为圆柚酮、D-柠檬烯、王草素、顺式-芳樟醇氧化物、糠醛、反式-芳樟醇氧化物。
RESULTS The chlortetracycline's epimer, tetracycline and its epimer, as impurities in chlortetracycline have been determined by the liquid chromatogram and its first order mass spectrum.
结果得到金霉素样品液相色谱图以及液相色谱峰对应一级质谱图。对谱图进行分析归纳,推测金霉素样品中含有四环素、差向异构四环素和差向异构金霉素杂质组分。
Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used.
采用全蒸发技术、离子流强度积分方式,用多接收器热表面电离质谱计测量铀同位素丰度。
The content of free acetic acid in cigarette smoke condensates was determined by GC-MS with isopropyl alcohol as the solvent and nonanol as the internal standard.
以异丙醇为溶剂,壬醇为内标,采用气相色谱-质谱法分析了卷烟烟气总粒相物中游离乙酸,乙酸测定结果
相对标准偏差小于1%,平均回收率为99。
In this review,we described the recent development of mass spectrometry techniques for the study of peptidase structure and function in the central nerve system of Aplysia and other mollusks.
本文以海兔等软体动物为素材,综述近年来采用质谱和高效液相色谱技术研究中枢神经系统多肽酶结构与功能进展。
声明:以上例句、词性分类均由互联网资源自动生,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。
The mass spectra of ureide-type noncyclic polyethers with 2(3H)-benzoxazolone as end groups were studies.
研究了以2(3H)-苯并唑酮为端基、具有酰脲结构的非环多醚化合物的。
The triphenylamine azo compounds were successfully characterized by matrix-assisted laser desorption-ionization time of flight mass spectrometry(MALDI-TOF MS).
利用基辅助激
解吸电离飞行时间
法分析三苯胺偶氮化合物。
Objective:To develop a GC-MS approach for the determination of tripropyltin(TPrT),tributyltin(TBT) and triphenyltin(TPhT) in fish.
建立水产品中三丙基锡、三丁基锡和三苯基锡的气相色-
(GC-MS)分析方法。
The deleterious ingredients in gas emission of sculpturing organic glass were studied,using gas chromatography-mass spectrometry coupled with 3-step preconcentrator.
研究了3阶段预浓缩气相色-
法检测有
玻璃在雕刻过程中排放的有害气体的组成。
Besides, laser optoacoustic spectroscopy technique and laser mass spectrometry will play more important role in research of internal combustion engine.
另外,激声
技术、激
仪等有望在
的研究中发挥更大的作用。
Dodecanol abietate succinic anhydride was synthesized from abietic acid.The structures of products were characterized by spectrum of IR,HNMR and MS.
以枞酸为起点,合成了十二醇酯琥珀酸酐,采用红外、核磁共振波
及
对中间产物及终产物进行了结构表证。
In this paper ten lactonic crown ethers weresynthesized, of which seven were new compounds.Theirstructures were confirmed by EA,IR,1HNMR andMS analysis.
合成了10个酯型冠醚化合物,其中7个冠醚是新化合物,其结构均由元素分析,及红外、核磁、
分析证实。
The controls were homeochronous inpatients with affective disorder and normal individuals.lsoprene breath levels were measured by gas chromatography combined with mass spectroscopy(GC-MS).
用气相色一
联用仪检测其呼出气体中异戊二烯的浓度。
Desorption chemical ionization mass spectrometry of twelve metallohematoporphyrin complexes has been investigated under DEP condition using mixture of tetramethylsilane and methane as regent gas.
本文以四甲基硅烷/甲烷混合反应气,采用DEP技术,测定12个金属血卟啉络合物的解吸化学电离。
Based on these results and the ESI-MS data, the mechanism of sulfoxidation was proposed to be intramolecular nucleophilic oxygen transfer to a coordinated sulfide.
基于这些结果和电喷雾(ESI-MS)数据,亚砜化反应的
理推测为分子
亲核氧转移到络合的硫醚底物上。
The oils were analyzed by GC-MS and percentages were obtained by normalized peak areas, where main components are nootkatone, D-limonene, osthole, cis-linaloloxide, furfural, and trans.
用气相色-
(GC-MS)联用技术分析,鉴定出主要成分为圆柚酮、D-柠檬烯、王草素、顺式-芳樟醇氧化物、糠醛、反式-芳樟醇氧化物。
RESULTS The chlortetracycline's epimer, tetracycline and its epimer, as impurities in chlortetracycline have been determined by the liquid chromatogram and its first order mass spectrum.
结果得到金霉素样品液相色图以及液相色
峰对应的一级
图。对
图进行分析归纳,推测金霉素样品中含有四环素、差向异构四环素和差向异构金霉素杂
组分。
Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used.
采用全蒸发技术、离子流强度积分的方式,用多接收器热表面电离计测量铀同位素丰度。
The content of free acetic acid in cigarette smoke condensates was determined by GC-MS with isopropyl alcohol as the solvent and nonanol as the internal standard.
以异丙醇为溶剂,壬醇为标,采用气相色
-
法分析了卷烟烟气总粒相物中的游离乙酸,乙酸测定结果的相对标准偏差小于1%,平均回收率为99。
In this review,we described the recent development of mass spectrometry techniques for the study of peptidase structure and function in the central nerve system of Aplysia and other mollusks.
本文以海兔等软体动物为素材,综述近年来采用和高效液相色
技术研究中枢神经系统多肽酶结构与功能的进展。
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,其表达容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
The mass spectra of ureide-type noncyclic polyethers with 2(3H)-benzoxazolone as end groups were studies.
研究了以2(3H)-苯并唑酮为端基、具有酰脲结构的非环多醚化合物的质谱。
The triphenylamine azo compounds were successfully characterized by matrix-assisted laser desorption-ionization time of flight mass spectrometry(MALDI-TOF MS).
利用基质辅助激光解吸电离飞质谱法分析三苯胺偶氮化合物。
Objective:To develop a GC-MS approach for the determination of tripropyltin(TPrT),tributyltin(TBT) and triphenyltin(TPhT) in fish.
建立水产品中三丙基锡、三丁基锡和三苯基锡的气相色谱-质谱(GC-MS)分析方法。
The deleterious ingredients in gas emission of sculpturing organic glass were studied,using gas chromatography-mass spectrometry coupled with 3-step preconcentrator.
研究了3阶段预浓缩气相色谱-质谱法检测有机玻璃在雕刻过程中排放的有害气体的组成。
Besides, laser optoacoustic spectroscopy technique and laser mass spectrometry will play more important role in research of internal combustion engine.
另,激光光声光谱技术、激光质谱仪等有望在内燃机的研究中发挥更大的作用。
Dodecanol abietate succinic anhydride was synthesized from abietic acid.The structures of products were characterized by spectrum of IR,HNMR and MS.
以枞酸为起点,合成了十二醇酯琥珀酸酐,采用光谱、
磁共振波谱及质谱对中
产物及终产物进
了结构表证。
In this paper ten lactonic crown ethers weresynthesized, of which seven were new compounds.Theirstructures were confirmed by EA,IR,1HNMR andMS analysis.
合成了10个内酯型冠醚化合物,其中7个冠醚是新化合物,其结构均由元素分析,及、
磁、质谱分析证实。
The controls were homeochronous inpatients with affective disorder and normal individuals.lsoprene breath levels were measured by gas chromatography combined with mass spectroscopy(GC-MS).
用气相色谱一质谱联用仪检测其呼出气体中异戊二烯的浓度。
Desorption chemical ionization mass spectrometry of twelve metallohematoporphyrin complexes has been investigated under DEP condition using mixture of tetramethylsilane and methane as regent gas.
本文以四甲基硅烷/甲烷混合反应气,采用DEP技术,测定12个金属血卟啉络合物的解吸化学电离质谱。
Based on these results and the ESI-MS data, the mechanism of sulfoxidation was proposed to be intramolecular nucleophilic oxygen transfer to a coordinated sulfide.
基于这些结果和电喷雾质谱(ESI-MS)数据,亚砜化反应的机理推测为分子内亲氧转移到络合的硫醚底物上。
The oils were analyzed by GC-MS and percentages were obtained by normalized peak areas, where main components are nootkatone, D-limonene, osthole, cis-linaloloxide, furfural, and trans.
用气相色谱-质谱(GC-MS)联用技术分析,鉴定出主要成分为圆柚酮、D-柠檬烯、王草素、顺式-芳樟醇氧化物、糠醛、反式-芳樟醇氧化物。
RESULTS The chlortetracycline's epimer, tetracycline and its epimer, as impurities in chlortetracycline have been determined by the liquid chromatogram and its first order mass spectrum.
结果得到金霉素样品液相色谱图以及液相色谱峰对应的一级质谱图。对谱图进分析归纳,推测金霉素样品中含有四环素、差向异构四环素和差向异构金霉素杂质组分。
Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used.
采用全蒸发技术、离子流强度积分的方式,用多接收器热表面电离质谱计测量铀同位素丰度。
The content of free acetic acid in cigarette smoke condensates was determined by GC-MS with isopropyl alcohol as the solvent and nonanol as the internal standard.
以异丙醇为溶剂,壬醇为内标,采用气相色谱-质谱法分析了卷烟烟气总粒相物中的游离乙酸,乙酸测定结果的相对标准偏差小于1%,平均回收率为99。
In this review,we described the recent development of mass spectrometry techniques for the study of peptidase structure and function in the central nerve system of Aplysia and other mollusks.
本文以海兔等软体动物为素材,综述近年来采用质谱和高效液相色谱技术研究中枢神经系统多肽酶结构与功能的进展。
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,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。
The mass spectra of ureide-type noncyclic polyethers with 2(3H)-benzoxazolone as end groups were studies.
研究了以2(3H)-苯并唑酮为端基、具有酰脲结构的非环多醚化合物的质谱。
The triphenylamine azo compounds were successfully characterized by matrix-assisted laser desorption-ionization time of flight mass spectrometry(MALDI-TOF MS).
利用基质辅助激光解吸电离飞行时间质谱法分析三苯胺偶氮化合物。
Objective:To develop a GC-MS approach for the determination of tripropyltin(TPrT),tributyltin(TBT) and triphenyltin(TPhT) in fish.
建立水产品中三丙基锡、三丁基锡和三苯基锡的气相色谱-质谱(GC-MS)分析方法。
The deleterious ingredients in gas emission of sculpturing organic glass were studied,using gas chromatography-mass spectrometry coupled with 3-step preconcentrator.
研究了3阶段预浓缩气相色谱-质谱法检测有机雕刻过程中排放的有害气体的组成。
Besides, laser optoacoustic spectroscopy technique and laser mass spectrometry will play more important role in research of internal combustion engine.
另外,激光光声光谱技术、激光质谱仪等有望内燃机的研究中发挥更大的作用。
Dodecanol abietate succinic anhydride was synthesized from abietic acid.The structures of products were characterized by spectrum of IR,HNMR and MS.
以枞为起点,合成了十二醇酯琥珀
,
用红外光谱、核磁共振波谱及质谱对中间产物及终产物进行了结构表证。
In this paper ten lactonic crown ethers weresynthesized, of which seven were new compounds.Theirstructures were confirmed by EA,IR,1HNMR andMS analysis.
合成了10个内酯型冠醚化合物,其中7个冠醚是新化合物,其结构均由元素分析,及红外、核磁、质谱分析证实。
The controls were homeochronous inpatients with affective disorder and normal individuals.lsoprene breath levels were measured by gas chromatography combined with mass spectroscopy(GC-MS).
用气相色谱一质谱联用仪检测其呼出气体中异戊二烯的浓度。
Desorption chemical ionization mass spectrometry of twelve metallohematoporphyrin complexes has been investigated under DEP condition using mixture of tetramethylsilane and methane as regent gas.
本文以四甲基硅烷/甲烷混合反应气,用DEP技术,测定12个金属血卟啉络合物的解吸化学电离质谱。
Based on these results and the ESI-MS data, the mechanism of sulfoxidation was proposed to be intramolecular nucleophilic oxygen transfer to a coordinated sulfide.
基于这些结果和电喷雾质谱(ESI-MS)数据,亚砜化反应的机理推测为分子内亲核氧转移到络合的硫醚底物上。
The oils were analyzed by GC-MS and percentages were obtained by normalized peak areas, where main components are nootkatone, D-limonene, osthole, cis-linaloloxide, furfural, and trans.
用气相色谱-质谱(GC-MS)联用技术分析,鉴定出主要成分为圆柚酮、D-柠檬烯、王草素、顺式-芳樟醇氧化物、糠醛、反式-芳樟醇氧化物。
RESULTS The chlortetracycline's epimer, tetracycline and its epimer, as impurities in chlortetracycline have been determined by the liquid chromatogram and its first order mass spectrum.
结果得到金霉素样品液相色谱图以及液相色谱峰对应的一级质谱图。对谱图进行分析归纳,推测金霉素样品中含有四环素、差向异构四环素和差向异构金霉素杂质组分。
Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used.
用全蒸发技术、离子流强度积分的方式,用多接收器热表面电离质谱计测量铀同位素丰度。
The content of free acetic acid in cigarette smoke condensates was determined by GC-MS with isopropyl alcohol as the solvent and nonanol as the internal standard.
以异丙醇为溶剂,壬醇为内标,用气相色谱-质谱法分析了卷烟烟气总粒相物中的游离乙
,乙
测定结果的相对标准偏差小于1%,平均回收率为99。
In this review,we described the recent development of mass spectrometry techniques for the study of peptidase structure and function in the central nerve system of Aplysia and other mollusks.
本文以海兔等软体动物为素材,综述近年来用质谱和高效液相色谱技术研究中枢神经系统多肽酶结构与功能的进展。
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。
The mass spectra of ureide-type noncyclic polyethers with 2(3H)-benzoxazolone as end groups were studies.
研究了以2(3H)-苯并唑酮为端基、具有酰脲结构的非环多醚化合物的。
The triphenylamine azo compounds were successfully characterized by matrix-assisted laser desorption-ionization time of flight mass spectrometry(MALDI-TOF MS).
利用基辅助激光解吸电离飞行时间
法分析三苯胺偶氮化合物。
Objective:To develop a GC-MS approach for the determination of tripropyltin(TPrT),tributyltin(TBT) and triphenyltin(TPhT) in fish.
建立水产品中三丙基锡、三丁基锡和三苯基锡的气相色-
(GC-MS)分析方法。
The deleterious ingredients in gas emission of sculpturing organic glass were studied,using gas chromatography-mass spectrometry coupled with 3-step preconcentrator.
研究了3阶段预浓缩气相色-
法检测有机玻璃
雕刻过程中排放的有害气体的组成。
Besides, laser optoacoustic spectroscopy technique and laser mass spectrometry will play more important role in research of internal combustion engine.
另外,激光光声光技术、激光
等有望
机的研究中发挥更大的作用。
Dodecanol abietate succinic anhydride was synthesized from abietic acid.The structures of products were characterized by spectrum of IR,HNMR and MS.
以枞酸为起点,合成了十二醇酯琥珀酸酐,采用红外光、核磁共振波
及
对中间产物及终产物进行了结构表证。
In this paper ten lactonic crown ethers weresynthesized, of which seven were new compounds.Theirstructures were confirmed by EA,IR,1HNMR andMS analysis.
合成了10个酯型冠醚化合物,其中7个冠醚是新化合物,其结构均由元素分析,及红外、核磁、
分析证实。
The controls were homeochronous inpatients with affective disorder and normal individuals.lsoprene breath levels were measured by gas chromatography combined with mass spectroscopy(GC-MS).
用气相色一
联用
检测其呼出气体中异戊二烯的浓度。
Desorption chemical ionization mass spectrometry of twelve metallohematoporphyrin complexes has been investigated under DEP condition using mixture of tetramethylsilane and methane as regent gas.
本文以四甲基硅烷/甲烷混合反应气,采用DEP技术,测定12个金属血卟啉络合物的解吸化学电离。
Based on these results and the ESI-MS data, the mechanism of sulfoxidation was proposed to be intramolecular nucleophilic oxygen transfer to a coordinated sulfide.
基于这些结果和电喷雾(ESI-MS)数据,亚砜化反应的机理推测为分子
亲核氧转移到络合的硫醚底物上。
The oils were analyzed by GC-MS and percentages were obtained by normalized peak areas, where main components are nootkatone, D-limonene, osthole, cis-linaloloxide, furfural, and trans.
用气相色-
(GC-MS)联用技术分析,鉴定出主要成分为圆柚酮、D-柠檬烯、王草素、顺式-芳樟醇氧化物、糠醛、反式-芳樟醇氧化物。
RESULTS The chlortetracycline's epimer, tetracycline and its epimer, as impurities in chlortetracycline have been determined by the liquid chromatogram and its first order mass spectrum.
结果得到金霉素样品液相色图以及液相色
峰对应的一级
图。对
图进行分析归纳,推测金霉素样品中含有四环素、差向异构四环素和差向异构金霉素杂
组分。
Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used.
采用全蒸发技术、离子流强度积分的方式,用多接收器热表面电离计测量铀同位素丰度。
The content of free acetic acid in cigarette smoke condensates was determined by GC-MS with isopropyl alcohol as the solvent and nonanol as the internal standard.
以异丙醇为溶剂,壬醇为标,采用气相色
-
法分析了卷烟烟气总粒相物中的游离乙酸,乙酸测定结果的相对标准偏差小于1%,平均回收率为99。
In this review,we described the recent development of mass spectrometry techniques for the study of peptidase structure and function in the central nerve system of Aplysia and other mollusks.
本文以海兔等软体动物为素材,综述近年来采用和高效液相色
技术研究中枢神经系统多肽酶结构与功能的进展。
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,其表达容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
The mass spectra of ureide-type noncyclic polyethers with 2(3H)-benzoxazolone as end groups were studies.
研究了以2(3H)-苯并唑酮为端基、具有结构的非环多醚化合物的质谱。
The triphenylamine azo compounds were successfully characterized by matrix-assisted laser desorption-ionization time of flight mass spectrometry(MALDI-TOF MS).
利用基质辅助激光解吸电离飞行时间质谱法分析三苯胺偶氮化合物。
Objective:To develop a GC-MS approach for the determination of tripropyltin(TPrT),tributyltin(TBT) and triphenyltin(TPhT) in fish.
建立水产品中三丙基锡、三丁基锡和三苯基锡的气相色谱-质谱(GC-MS)分析方法。
The deleterious ingredients in gas emission of sculpturing organic glass were studied,using gas chromatography-mass spectrometry coupled with 3-step preconcentrator.
研究了3阶段预浓缩气相色谱-质谱法检测有机玻璃在雕刻过程中排放的有害气体的组成。
Besides, laser optoacoustic spectroscopy technique and laser mass spectrometry will play more important role in research of internal combustion engine.
另外,激光光声光谱技术、激光质谱仪等有望在内燃机的研究中发挥更大的作用。
Dodecanol abietate succinic anhydride was synthesized from abietic acid.The structures of products were characterized by spectrum of IR,HNMR and MS.
以枞酸为起点,合成了十醇酯琥珀酸酐,采用红外光谱、核磁共振波谱及质谱对中间产物及终产物进行了结构表证。
In this paper ten lactonic crown ethers weresynthesized, of which seven were new compounds.Theirstructures were confirmed by EA,IR,1HNMR andMS analysis.
合成了10个内酯型冠醚化合物,其中7个冠醚是新化合物,其结构均由元素分析,及红外、核磁、质谱分析证实。
The controls were homeochronous inpatients with affective disorder and normal individuals.lsoprene breath levels were measured by gas chromatography combined with mass spectroscopy(GC-MS).
用气相色谱一质谱联用仪检测其呼出气体中烯的浓度。
Desorption chemical ionization mass spectrometry of twelve metallohematoporphyrin complexes has been investigated under DEP condition using mixture of tetramethylsilane and methane as regent gas.
本文以四甲基硅烷/甲烷混合反应气,采用DEP技术,测定12个金属血卟啉络合物的解吸化学电离质谱。
Based on these results and the ESI-MS data, the mechanism of sulfoxidation was proposed to be intramolecular nucleophilic oxygen transfer to a coordinated sulfide.
基于这些结果和电喷雾质谱(ESI-MS)数据,亚砜化反应的机理推测为分子内亲核氧转移到络合的硫醚底物上。
The oils were analyzed by GC-MS and percentages were obtained by normalized peak areas, where main components are nootkatone, D-limonene, osthole, cis-linaloloxide, furfural, and trans.
用气相色谱-质谱(GC-MS)联用技术分析,鉴定出主要成分为圆柚酮、D-柠檬烯、王草素、顺式-芳樟醇氧化物、糠醛、反式-芳樟醇氧化物。
RESULTS The chlortetracycline's epimer, tetracycline and its epimer, as impurities in chlortetracycline have been determined by the liquid chromatogram and its first order mass spectrum.
结果得到金霉素样品液相色谱图以及液相色谱峰对应的一级质谱图。对谱图进行分析归纳,推测金霉素样品中含有四环素、差向构四环素和差向
构金霉素杂质组分。
Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used.
采用全蒸发技术、离子流强度积分的方式,用多接收器热表面电离质谱计测量铀同位素丰度。
The content of free acetic acid in cigarette smoke condensates was determined by GC-MS with isopropyl alcohol as the solvent and nonanol as the internal standard.
以丙醇为溶剂,壬醇为内标,采用气相色谱-质谱法分析了卷烟烟气总粒相物中的游离乙酸,乙酸测定结果的相对标准偏差小于1%,平均回收率为99。
In this review,we described the recent development of mass spectrometry techniques for the study of peptidase structure and function in the central nerve system of Aplysia and other mollusks.
本文以海兔等软体动物为素材,综述近年来采用质谱和高效液相色谱技术研究中枢神经系统多肽酶结构与功能的进展。
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。
The mass spectra of ureide-type noncyclic polyethers with 2(3H)-benzoxazolone as end groups were studies.
以2(3H)-苯并唑酮为端基、具有酰脲结构的非环多醚化合
的质谱。
The triphenylamine azo compounds were successfully characterized by matrix-assisted laser desorption-ionization time of flight mass spectrometry(MALDI-TOF MS).
利用基质辅助激光解吸电离飞行时质谱法分析三苯胺偶氮化合
。
Objective:To develop a GC-MS approach for the determination of tripropyltin(TPrT),tributyltin(TBT) and triphenyltin(TPhT) in fish.
建立水品中三丙基锡、三丁基锡和三苯基锡的气相色谱-质谱(GC-MS)分析方法。
The deleterious ingredients in gas emission of sculpturing organic glass were studied,using gas chromatography-mass spectrometry coupled with 3-step preconcentrator.
3阶段预浓缩气相色谱-质谱法检测有机玻璃在雕刻过程中排放的有害气体的组成。
Besides, laser optoacoustic spectroscopy technique and laser mass spectrometry will play more important role in research of internal combustion engine.
另外,激光光声光谱技术、激光质谱仪等有望在内燃机的中发挥更大的作用。
Dodecanol abietate succinic anhydride was synthesized from abietic acid.The structures of products were characterized by spectrum of IR,HNMR and MS.
以枞酸为起点,合成十二醇酯琥珀酸酐,采用红外光谱、核磁共振波谱及质谱对中
及终
进行
结构表证。
In this paper ten lactonic crown ethers weresynthesized, of which seven were new compounds.Theirstructures were confirmed by EA,IR,1HNMR andMS analysis.
合成10个内酯型冠醚化合
,其中7个冠醚是新化合
,其结构均由元素分析,及红外、核磁、质谱分析证实。
The controls were homeochronous inpatients with affective disorder and normal individuals.lsoprene breath levels were measured by gas chromatography combined with mass spectroscopy(GC-MS).
用气相色谱一质谱联用仪检测其呼出气体中异戊二烯的浓度。
Desorption chemical ionization mass spectrometry of twelve metallohematoporphyrin complexes has been investigated under DEP condition using mixture of tetramethylsilane and methane as regent gas.
本文以四甲基硅烷/甲烷混合反应气,采用DEP技术,测定12个金属血卟啉络合的解吸化学电离质谱。
Based on these results and the ESI-MS data, the mechanism of sulfoxidation was proposed to be intramolecular nucleophilic oxygen transfer to a coordinated sulfide.
基于这些结果和电喷雾质谱(ESI-MS)数据,亚砜化反应的机理推测为分子内亲核氧转移到络合的硫醚底上。
The oils were analyzed by GC-MS and percentages were obtained by normalized peak areas, where main components are nootkatone, D-limonene, osthole, cis-linaloloxide, furfural, and trans.
用气相色谱-质谱(GC-MS)联用技术分析,鉴定出主要成分为圆柚酮、D-柠檬烯、王草素、顺式-芳樟醇氧化、糠醛、反式-芳樟醇氧化
。
RESULTS The chlortetracycline's epimer, tetracycline and its epimer, as impurities in chlortetracycline have been determined by the liquid chromatogram and its first order mass spectrum.
结果得到金霉素样品液相色谱图以及液相色谱峰对应的一级质谱图。对谱图进行分析归纳,推测金霉素样品中含有四环素、差向异构四环素和差向异构金霉素杂质组分。
Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used.
采用全蒸发技术、离子流强度积分的方式,用多接收器热表面电离质谱计测量铀同位素丰度。
The content of free acetic acid in cigarette smoke condensates was determined by GC-MS with isopropyl alcohol as the solvent and nonanol as the internal standard.
以异丙醇为溶剂,壬醇为内标,采用气相色谱-质谱法分析卷烟烟气总粒相
中的游离乙酸,乙酸测定结果的相对标准偏差小于1%,平均回收率为99。
In this review,we described the recent development of mass spectrometry techniques for the study of peptidase structure and function in the central nerve system of Aplysia and other mollusks.
本文以海兔等软体动为素材,综述近年来采用质谱和高效液相色谱技术
中枢神经系统多肽酶结构与功能的进展。
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。
The mass spectra of ureide-type noncyclic polyethers with 2(3H)-benzoxazolone as end groups were studies.
研究了以2(3H)-苯并唑酮为端基、具有酰脲结构的非环多醚化合物的质。
The triphenylamine azo compounds were successfully characterized by matrix-assisted laser desorption-ionization time of flight mass spectrometry(MALDI-TOF MS).
利用基质辅助激解吸电离飞行时间质
法分析三苯胺偶氮化合物。
Objective:To develop a GC-MS approach for the determination of tripropyltin(TPrT),tributyltin(TBT) and triphenyltin(TPhT) in fish.
建立水产品三丙基锡、三丁基锡和三苯基锡的气相色
-质
(GC-MS)分析方法。
The deleterious ingredients in gas emission of sculpturing organic glass were studied,using gas chromatography-mass spectrometry coupled with 3-step preconcentrator.
研究了3阶段预浓缩气相色-质
法检测有机玻璃在雕刻过程
排放的有害气体的组成。
Besides, laser optoacoustic spectroscopy technique and laser mass spectrometry will play more important role in research of internal combustion engine.
另外,激技术、激
质
仪等有望在内燃机的研究
更大的作用。
Dodecanol abietate succinic anhydride was synthesized from abietic acid.The structures of products were characterized by spectrum of IR,HNMR and MS.
以枞酸为起点,合成了十二醇酯琥珀酸酐,采用红外、核磁共振波
及质
对
间产物及终产物进行了结构表证。
In this paper ten lactonic crown ethers weresynthesized, of which seven were new compounds.Theirstructures were confirmed by EA,IR,1HNMR andMS analysis.
合成了10个内酯型冠醚化合物,其7个冠醚是新化合物,其结构均由元素分析,及红外、核磁、质
分析证实。
The controls were homeochronous inpatients with affective disorder and normal individuals.lsoprene breath levels were measured by gas chromatography combined with mass spectroscopy(GC-MS).
用气相色一质
联用仪检测其呼出气体
异戊二烯的浓度。
Desorption chemical ionization mass spectrometry of twelve metallohematoporphyrin complexes has been investigated under DEP condition using mixture of tetramethylsilane and methane as regent gas.
本文以四甲基硅烷/甲烷混合反应气,采用DEP技术,测定12个金属血卟啉络合物的解吸化学电离质。
Based on these results and the ESI-MS data, the mechanism of sulfoxidation was proposed to be intramolecular nucleophilic oxygen transfer to a coordinated sulfide.
基于这些结果和电喷雾质(ESI-MS)数据,亚砜化反应的机理推测为分子内亲核氧转移到络合的硫醚底物上。
The oils were analyzed by GC-MS and percentages were obtained by normalized peak areas, where main components are nootkatone, D-limonene, osthole, cis-linaloloxide, furfural, and trans.
用气相色-质
(GC-MS)联用技术分析,鉴定出主要成分为圆柚酮、D-柠檬烯、王草素、顺式-芳樟醇氧化物、糠醛、反式-芳樟醇氧化物。
RESULTS The chlortetracycline's epimer, tetracycline and its epimer, as impurities in chlortetracycline have been determined by the liquid chromatogram and its first order mass spectrum.
结果得到金霉素样品液相色图以及液相色
峰对应的一级质
图。对
图进行分析归纳,推测金霉素样品
含有四环素、差向异构四环素和差向异构金霉素杂质组分。
Uranium isotope abundance ratio has been measured by total sample evaporation and signal integration,and a thermal surface ionization mass sepctrometry equipped with multicollector has been used.
采用全蒸技术、离子流强度积分的方式,用多接收器热表面电离质
计测量铀同位素丰度。
The content of free acetic acid in cigarette smoke condensates was determined by GC-MS with isopropyl alcohol as the solvent and nonanol as the internal standard.
以异丙醇为溶剂,壬醇为内标,采用气相色-质
法分析了卷烟烟气总粒相物
的游离乙酸,乙酸测定结果的相对标准偏差小于1%,平均回收率为99。
In this review,we described the recent development of mass spectrometry techniques for the study of peptidase structure and function in the central nerve system of Aplysia and other mollusks.
本文以海兔等软体动物为素材,综述近年来采用质和高效液相色
技术研究
枢神经系统多肽酶结构与功能的进展。
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
现问题,欢迎向我们指正。