Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间苯甲醛,乙酰乙酸乙酯,氨化试剂为原料。

Fluoroaniline is synthesized in two steps from p-nitrochlorobenzene and active potassium fluoride.

以对氯苯和活性氟化钾等为原料,经二步法合了对氟苯胺。

Objective:To determine the pesticide hexachlorocyclohexane(BHC),dich lorodiphenyl trichloroethane(DDT)and pentachloronitrobenzene(PCNB)contents in home-planted Hedyotis diffusa Willd.

检测家种白花中六六六(BHC)、滴滴涕(DDT)、五氯苯(PCNB)的残留量。

The fluorization product of 2,4 dichloronitrobenzene was successfully analyzed by gas chromatography on OV 17 packed column.

以OV-17为固定液，采用填充柱气相色谱法，对2，4-二氯苯的氟代产物进行了功的分离和分析。

METHODS Balsalazide disodium was synthesized by reactions of condensation , reduction, diazotization , coupling and salification from 4-nitrobenzoyl chloride.

方法以对苯甲酰氯为起始原料,经缩合、还原、重氮化、偶合、盐等反应制得巴柳氮二钠。

By the deoxidization of zero-valent iron,nitrobenzene,an organic compound hard to be biodegraded,can be deoxidized to nitrosobenzene,and further to aniline,which is easily biodegraded.

利用零价铁的还原性质,将难生物降解的有机物苯先还原生苯,然后再进一步还原可生物降解的苯胺。

The sythesis of Monuron herbicide by oxidative-reductive carbonylation of dimethyamine and p-ClC6H4NO2 using selenium as catalyst and organic base as cocatalyst was studied.

研究了以硒为催化剂,有机胺为助催化剂,对氯苯和二甲胺为反应底物,经高选择性氧化还原羰化一步合灭隆除剂。

On the basis of mechanism analysis and compare of CODCr degradation rate, parachlorophenol and aniline were found to be easier degraded by ferrate than nitrobenzene.

由机理分析和宏观CODCr降解率难易程度比较可知高铁酸根与对氯苯酚、苯胺的反应比与苯的反应更加容易进行。

Aqueous titanium trichloride promoted intermolecular reductive cyclization of 1,2 -diketone and o-nitroaniline in basic media provides a convenient method for the synthesis of quinoxaline derivatives.

本文研究了三氯化钛水溶液作用下,邻苯胺与1,2-二酮在碱性介质中分子间的环反应,提供了一个方便地合取代喹喔啉类化合物的方法。

Nitro 1,2,4 triazole 5 one(NTO)can be obtained by nitrating 1,2,4 triazole 3 one (TO) under different conditions,and nitrobenzyl derivatives of TO are prepared as well.

研究了1，2，4三唑酮3（TO）衍生物的合，结果表明TO在多种化条件下均可制得31，2，4三唑酮5（NTO），同时还合了TO的二取代苯衍生物。

The article is about how to use phosgene and p-nitrophenylamine to react in acetic ether's liquefier to produce p-nitro-phenyl isocyanate, Its best technological condition have been discussed.

介绍用光气和对苯胺在乙酸乙酯溶剂中反应来制备对异氰酸苯酯的方法，并讨论了其最佳工艺条件。

The standard deviations were 0.06 and 0.14 for Phoxim and Quintozene repectively,while the coefficients of variation were 1.14% and 1.34%.The average recoveries were 99.5 and 99.2% separately.

辛硫磷和五氯苯标准偏差分别为0.06和0.14,变异系数分别为1.14%和1.34%,平均回收率分别为99.5%和99.2%。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝苯甲醛,乙酰乙酸乙酯,氨试。

Fluoroaniline is synthesized in two steps from p-nitrochlorobenzene and active potassium fluoride.

以对氯硝苯和活性氟钾等,经二步法合成了对氟苯胺。

Objective:To determine the pesticide hexachlorocyclohexane(BHC),dich lorodiphenyl trichloroethane(DDT)and pentachloronitrobenzene(PCNB)contents in home-planted Hedyotis diffusa Willd.

检测家种白花蛇舌草中六六六(BHC)、滴滴涕(DDT)、五氯硝苯(PCNB)的残留量。

The fluorization product of 2,4 dichloronitrobenzene was successfully analyzed by gas chromatography on OV 17 packed column.

以OV-17固定液，采用填充柱气相色谱法，对2，4-二氯硝苯的氟代产物进行了成功的分离和分析。

METHODS Balsalazide disodium was synthesized by reactions of condensation , reduction, diazotization , coupling and salification from 4-nitrobenzoyl chloride.

方法以对硝苯甲酰氯起始,经缩合、还、重氮、偶合、成盐等反应制得巴柳氮二钠。

By the deoxidization of zero-valent iron,nitrobenzene,an organic compound hard to be biodegraded,can be deoxidized to nitrosobenzene,and further to aniline,which is easily biodegraded.

利用零价铁的还性质,将难生物降解的有机物硝苯先还生成亚硝苯,然后再进一步还成可生物降解的苯胺。

The sythesis of Monuron herbicide by oxidative-reductive carbonylation of dimethyamine and p-ClC6H4NO2 using selenium as catalyst and organic base as cocatalyst was studied.

研究了以硒,有机胺助,对氯硝苯和二甲胺反应底物,经高选择性氧还羰一步合成灭草隆除草。

On the basis of mechanism analysis and compare of CODCr degradation rate, parachlorophenol and aniline were found to be easier degraded by ferrate than nitrobenzene.

由机理分析和宏观CODCr降解率难易程度比较可知高铁酸根与对氯苯酚、苯胺的反应比与硝苯的反应更加容易进行。

Aqueous titanium trichloride promoted intermolecular reductive cyclization of 1,2 -diketone and o-nitroaniline in basic media provides a convenient method for the synthesis of quinoxaline derivatives.

本文研究了三氯钛水溶液作用下,邻硝苯胺与1,2-二酮在碱性介质中分子间的成环反应,提供了一个方便地合成取代喹喔啉类合物的方法。

Nitro 1,2,4 triazole 5 one(NTO)can be obtained by nitrating 1,2,4 triazole 3 one (TO) under different conditions,and nitrobenzyl derivatives of TO are prepared as well.

研究了1，2，4三唑酮3（TO）衍生物的合成，结果表明TO在多种硝条件下均可制得3硝1，2，4三唑酮5（NTO），同时还合成了TO的二取代硝苯衍生物。

The article is about how to use phosgene and p-nitrophenylamine to react in acetic ether's liquefier to produce p-nitro-phenyl isocyanate, Its best technological condition have been discussed.

介绍用光气和对硝苯胺在乙酸乙酯溶中反应来制备对硝异氰酸苯酯的方法，并讨论了其最佳工艺条件。

The standard deviations were 0.06 and 0.14 for Phoxim and Quintozene repectively,while the coefficients of variation were 1.14% and 1.34%.The average recoveries were 99.5 and 99.2% separately.

辛硫磷和五氯硝苯标准偏差分别0.06和0.14,变异系数分别1.14%和1.34%,平均回收率分别99.5%和99.2%。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝苯甲醛,乙酰乙酸乙酯,氨化试剂为。

Fluoroaniline is synthesized in two steps from p-nitrochlorobenzene and active potassium fluoride.

以对氯硝苯活性氟化钾等为,二步法合成了对氟苯胺。

Objective:To determine the pesticide hexachlorocyclohexane(BHC),dich lorodiphenyl trichloroethane(DDT)and pentachloronitrobenzene(PCNB)contents in home-planted Hedyotis diffusa Willd.

检测家种白花蛇舌草中六六六(BHC)、滴滴涕(DDT)、五氯硝苯(PCNB)的残留量。

The fluorization product of 2,4 dichloronitrobenzene was successfully analyzed by gas chromatography on OV 17 packed column.

以OV-17为固定液，采用填充柱气相色谱法，对2，4-二氯硝苯的氟代产物进行了成功的析。

METHODS Balsalazide disodium was synthesized by reactions of condensation , reduction, diazotization , coupling and salification from 4-nitrobenzoyl chloride.

方法以对硝苯甲酰氯为起始,缩合、还、重氮化、偶合、成盐等反应制得巴柳氮二钠。

By the deoxidization of zero-valent iron,nitrobenzene,an organic compound hard to be biodegraded,can be deoxidized to nitrosobenzene,and further to aniline,which is easily biodegraded.

利用零价铁的还性质,将难生物降解的有机物硝苯先还生成亚硝苯,然后再进一步还成可生物降解的苯胺。

The sythesis of Monuron herbicide by oxidative-reductive carbonylation of dimethyamine and p-ClC6H4NO2 using selenium as catalyst and organic base as cocatalyst was studied.

研究了以硒为催化剂,有机胺为助催化剂,对氯硝苯二甲胺为反应底物,高选择性氧化还羰化一步合成灭草隆除草剂。

On the basis of mechanism analysis and compare of CODCr degradation rate, parachlorophenol and aniline were found to be easier degraded by ferrate than nitrobenzene.

由机理析宏观CODCr降解率难易程度比较可知高铁酸根与对氯苯酚、苯胺的反应比与硝苯的反应更加容易进行。

Aqueous titanium trichloride promoted intermolecular reductive cyclization of 1,2 -diketone and o-nitroaniline in basic media provides a convenient method for the synthesis of quinoxaline derivatives.

本文研究了三氯化钛水溶液作用下,邻硝苯胺与1,2-二酮在碱性介质中子间的成环反应,提供了一个方便地合成取代喹喔啉类化合物的方法。

Nitro 1,2,4 triazole 5 one(NTO)can be obtained by nitrating 1,2,4 triazole 3 one (TO) under different conditions,and nitrobenzyl derivatives of TO are prepared as well.

研究了1，2，4三唑酮3（TO）衍生物的合成，结果表明TO在多种硝化条件下均可制得3硝1，2，4三唑酮5（NTO），同时还合成了TO的二取代硝苯衍生物。

The article is about how to use phosgene and p-nitrophenylamine to react in acetic ether's liquefier to produce p-nitro-phenyl isocyanate, Its best technological condition have been discussed.

介绍用光气对硝苯胺在乙酸乙酯溶剂中反应来制备对硝异氰酸苯酯的方法，并讨论了其最佳工艺条件。

The standard deviations were 0.06 and 0.14 for Phoxim and Quintozene repectively,while the coefficients of variation were 1.14% and 1.34%.The average recoveries were 99.5 and 99.2% separately.

辛硫磷五氯硝苯标准偏差别为0.060.14,变异系数别为1.14%1.34%,平均回收率别为99.5%99.2%。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝甲醛,乙酰乙酸乙酯,氨试为原料。

Fluoroaniline is synthesized in two steps from p-nitrochlorobenzene and active potassium fluoride.

以对氯硝活性氟钾等为原料,经二步法合成了对氟胺。

Objective:To determine the pesticide hexachlorocyclohexane(BHC),dich lorodiphenyl trichloroethane(DDT)and pentachloronitrobenzene(PCNB)contents in home-planted Hedyotis diffusa Willd.

检测家种白花蛇舌草中六六六(BHC)、滴滴涕(DDT)、五氯硝(PCNB)的残留量。

The fluorization product of 2,4 dichloronitrobenzene was successfully analyzed by gas chromatography on OV 17 packed column.

以OV-17为固定液，采用填充柱气相色谱法，对2，4-二氯硝的氟代产物进行了成功的分离分析。

METHODS Balsalazide disodium was synthesized by reactions of condensation , reduction, diazotization , coupling and salification from 4-nitrobenzoyl chloride.

方法以对硝甲酰氯为起始原料,经缩合、还原、重氮、偶合、成盐等反应制得巴柳氮二钠。

By the deoxidization of zero-valent iron,nitrobenzene,an organic compound hard to be biodegraded,can be deoxidized to nitrosobenzene,and further to aniline,which is easily biodegraded.

利用零价铁的还原性质,将难生物降解的有机物硝先还原生成亚硝,然后再进一步还原成可生物降解的胺。

The sythesis of Monuron herbicide by oxidative-reductive carbonylation of dimethyamine and p-ClC6H4NO2 using selenium as catalyst and organic base as cocatalyst was studied.

研究了以硒为催,有机胺为助催,对氯硝二甲胺为反应底物,经高选择性氧还原羰一步合成灭草隆除草。

On the basis of mechanism analysis and compare of CODCr degradation rate, parachlorophenol and aniline were found to be easier degraded by ferrate than nitrobenzene.

由机理分析宏观CODCr降解率难易程度比较可知高铁酸根与对氯酚、胺的反应比与硝的反应更加容易进行。

Aqueous titanium trichloride promoted intermolecular reductive cyclization of 1,2 -diketone and o-nitroaniline in basic media provides a convenient method for the synthesis of quinoxaline derivatives.

本文研究了三氯钛水溶液作用下,邻硝胺与1,2-二酮在碱性介质中分子间的成环反应,提供了一个方便地合成取代喹喔啉类合物的方法。

Nitro 1,2,4 triazole 5 one(NTO)can be obtained by nitrating 1,2,4 triazole 3 one (TO) under different conditions,and nitrobenzyl derivatives of TO are prepared as well.

研究了1，2，4三唑酮3（TO）衍生物的合成，结果表明TO在多种硝条件下均可制得3硝1，2，4三唑酮5（NTO），同时还合成了TO的二取代硝衍生物。

The article is about how to use phosgene and p-nitrophenylamine to react in acetic ether's liquefier to produce p-nitro-phenyl isocyanate, Its best technological condition have been discussed.

介绍用光气对硝胺在乙酸乙酯溶中反应来制备对硝异氰酸酯的方法，并讨论了其最佳工艺条件。

The standard deviations were 0.06 and 0.14 for Phoxim and Quintozene repectively,while the coefficients of variation were 1.14% and 1.34%.The average recoveries were 99.5 and 99.2% separately.

辛硫磷五氯硝标准偏差分别为0.060.14,变异系数分别为1.14%1.34%,平均回收率分别为99.5%99.2%。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝苯甲醛,乙酰乙酸乙酯,氨化试剂为原料。

Fluoroaniline is synthesized in two steps from p-nitrochlorobenzene and active potassium fluoride.

以对氯硝苯和活性化钾等为原料,经二步法了对苯胺。

Objective:To determine the pesticide hexachlorocyclohexane(BHC),dich lorodiphenyl trichloroethane(DDT)and pentachloronitrobenzene(PCNB)contents in home-planted Hedyotis diffusa Willd.

检测家种白花蛇舌草中六六六(BHC)、滴滴涕(DDT)、五氯硝苯(PCNB)残留量。

The fluorization product of 2,4 dichloronitrobenzene was successfully analyzed by gas chromatography on OV 17 packed column.

以OV-17为固定液，采用填充柱气相色谱法，对2，4-二氯硝苯产物进行了功分离和分析。

METHODS Balsalazide disodium was synthesized by reactions of condensation , reduction, diazotization , coupling and salification from 4-nitrobenzoyl chloride.

方法以对硝苯甲酰氯为起始原料,经缩、还原、重氮化、偶、等反应制得巴柳氮二钠。

By the deoxidization of zero-valent iron,nitrobenzene,an organic compound hard to be biodegraded,can be deoxidized to nitrosobenzene,and further to aniline,which is easily biodegraded.

利用零价铁还原性质,将难生物降解有机物硝苯先还原生亚硝苯,然后再进一步还原可生物降解苯胺。

The sythesis of Monuron herbicide by oxidative-reductive carbonylation of dimethyamine and p-ClC6H4NO2 using selenium as catalyst and organic base as cocatalyst was studied.

研究了以硒为催化剂,有机胺为助催化剂,对氯硝苯和二甲胺为反应底物,经高选择性氧化还原羰化一步灭草隆除草剂。

On the basis of mechanism analysis and compare of CODCr degradation rate, parachlorophenol and aniline were found to be easier degraded by ferrate than nitrobenzene.

由机理分析和宏观CODCr降解率难易程度比较可知高铁酸根与对氯苯酚、苯胺反应比与硝苯反应更加容易进行。

Aqueous titanium trichloride promoted intermolecular reductive cyclization of 1,2 -diketone and o-nitroaniline in basic media provides a convenient method for the synthesis of quinoxaline derivatives.

本文研究了三氯化钛水溶液作用下,邻硝苯胺与1,2-二酮在碱性介质中分子间环反应,提供了一个方便地取喹喔啉类化物方法。

Nitro 1,2,4 triazole 5 one(NTO)can be obtained by nitrating 1,2,4 triazole 3 one (TO) under different conditions,and nitrobenzyl derivatives of TO are prepared as well.

研究了1，2，4三唑酮3（TO）衍生物，结果表明TO在多种硝化条件下均可制得3硝1，2，4三唑酮5（NTO），同时还了TO二取硝苯衍生物。

The article is about how to use phosgene and p-nitrophenylamine to react in acetic ether's liquefier to produce p-nitro-phenyl isocyanate, Its best technological condition have been discussed.

介绍用光气和对硝苯胺在乙酸乙酯溶剂中反应来制备对硝异氰酸苯酯方法，并讨论了其最佳工艺条件。

The standard deviations were 0.06 and 0.14 for Phoxim and Quintozene repectively,while the coefficients of variation were 1.14% and 1.34%.The average recoveries were 99.5 and 99.2% separately.

辛硫磷和五氯硝苯标准偏差分别为0.06和0.14,变异系数分别为1.14%和1.34%,平均回收率分别为99.5%和99.2%。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间苯甲醛,乙酰乙酸乙酯,氨化试剂为原料。

Fluoroaniline is synthesized in two steps from p-nitrochlorobenzene and active potassium fluoride.

以对氯苯和活性氟化钾等为原料,经二步法合了对氟苯胺。

Objective:To determine the pesticide hexachlorocyclohexane(BHC),dich lorodiphenyl trichloroethane(DDT)and pentachloronitrobenzene(PCNB)contents in home-planted Hedyotis diffusa Willd.

检测家种白花中六六六(BHC)、滴滴涕(DDT)、五氯苯(PCNB)的残留量。

The fluorization product of 2,4 dichloronitrobenzene was successfully analyzed by gas chromatography on OV 17 packed column.

以OV-17为固定液，采用填充柱气相色谱法，对2，4-二氯苯的氟代产物进行了功的分离和分析。

METHODS Balsalazide disodium was synthesized by reactions of condensation , reduction, diazotization , coupling and salification from 4-nitrobenzoyl chloride.

方法以对苯甲酰氯为起始原料,经缩合、还原、重氮化、偶合、盐等反应制得巴柳氮二钠。

By the deoxidization of zero-valent iron,nitrobenzene,an organic compound hard to be biodegraded,can be deoxidized to nitrosobenzene,and further to aniline,which is easily biodegraded.

利用零价铁的还原性质,将难生物降解的有机物苯先还原生苯,然后再进一步还原可生物降解的苯胺。

The sythesis of Monuron herbicide by oxidative-reductive carbonylation of dimethyamine and p-ClC6H4NO2 using selenium as catalyst and organic base as cocatalyst was studied.

研究了以硒为催化剂,有机胺为助催化剂,对氯苯和二甲胺为反应底物,经高选择性氧化还原羰化一步合灭隆除剂。

On the basis of mechanism analysis and compare of CODCr degradation rate, parachlorophenol and aniline were found to be easier degraded by ferrate than nitrobenzene.

由机理分析和宏观CODCr降解率难易程度比较可知高铁酸根与对氯苯酚、苯胺的反应比与苯的反应更加容易进行。

Aqueous titanium trichloride promoted intermolecular reductive cyclization of 1,2 -diketone and o-nitroaniline in basic media provides a convenient method for the synthesis of quinoxaline derivatives.

本文研究了三氯化钛水溶液作用下,邻苯胺与1,2-二酮在碱性介质中分子间的环反应,提供了一个方便地合取代喹喔啉类化合物的方法。

Nitro 1,2,4 triazole 5 one(NTO)can be obtained by nitrating 1,2,4 triazole 3 one (TO) under different conditions,and nitrobenzyl derivatives of TO are prepared as well.

研究了1，2，4三唑酮3（TO）衍生物的合，结果表明TO在多种化条件下均可制得31，2，4三唑酮5（NTO），同时还合了TO的二取代苯衍生物。

The article is about how to use phosgene and p-nitrophenylamine to react in acetic ether's liquefier to produce p-nitro-phenyl isocyanate, Its best technological condition have been discussed.

介绍用光气和对苯胺在乙酸乙酯溶剂中反应来制备对异氰酸苯酯的方法，并讨论了其最佳工艺条件。

The standard deviations were 0.06 and 0.14 for Phoxim and Quintozene repectively,while the coefficients of variation were 1.14% and 1.34%.The average recoveries were 99.5 and 99.2% separately.

辛硫磷和五氯苯标准偏差分别为0.06和0.14,变异系数分别为1.14%和1.34%,平均回收率分别为99.5%和99.2%。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝苯,酰酸酯,氨化试剂原料。

Fluoroaniline is synthesized in two steps from p-nitrochlorobenzene and active potassium fluoride.

以对氯硝苯和活性氟化钾等原料,经二步法合成了对氟苯胺。

Objective:To determine the pesticide hexachlorocyclohexane(BHC),dich lorodiphenyl trichloroethane(DDT)and pentachloronitrobenzene(PCNB)contents in home-planted Hedyotis diffusa Willd.

检测家种白花蛇舌草中六六六(BHC)、滴滴涕(DDT)、五氯硝苯(PCNB)的残留量。

The fluorization product of 2,4 dichloronitrobenzene was successfully analyzed by gas chromatography on OV 17 packed column.

以OV-17固定液，采用填充柱气相色谱法，对2，4-二氯硝苯的氟代产物进行了成功的分离和分析。

METHODS Balsalazide disodium was synthesized by reactions of condensation , reduction, diazotization , coupling and salification from 4-nitrobenzoyl chloride.

方法以对硝苯酰氯起始原料,经缩合、还原、重氮化、偶合、成盐等制得巴柳氮二钠。

By the deoxidization of zero-valent iron,nitrobenzene,an organic compound hard to be biodegraded,can be deoxidized to nitrosobenzene,and further to aniline,which is easily biodegraded.

利用零价铁的还原性质,将难生物降解的有机物硝苯先还原生成亚硝苯,然后再进一步还原成可生物降解的苯胺。

The sythesis of Monuron herbicide by oxidative-reductive carbonylation of dimethyamine and p-ClC6H4NO2 using selenium as catalyst and organic base as cocatalyst was studied.

研究了以硒催化剂,有机胺助催化剂,对氯硝苯和二胺底物,经高选择性氧化还原羰化一步合成灭草隆除草剂。

On the basis of mechanism analysis and compare of CODCr degradation rate, parachlorophenol and aniline were found to be easier degraded by ferrate than nitrobenzene.

由机理分析和宏观CODCr降解率难易程度比较可知高铁酸根与对氯苯酚、苯胺的比与硝苯的更加容易进行。

Aqueous titanium trichloride promoted intermolecular reductive cyclization of 1,2 -diketone and o-nitroaniline in basic media provides a convenient method for the synthesis of quinoxaline derivatives.

本文研究了三氯化钛水溶液作用下,邻硝苯胺与1,2-二酮在碱性介质中分子间的成环,提供了一个方便地合成取代喹喔啉类化合物的方法。

Nitro 1,2,4 triazole 5 one(NTO)can be obtained by nitrating 1,2,4 triazole 3 one (TO) under different conditions,and nitrobenzyl derivatives of TO are prepared as well.

研究了1，2，4三唑酮3（TO）衍生物的合成，结果表明TO在多种硝化条件下均可制得3硝1，2，4三唑酮5（NTO），同时还合成了TO的二取代硝苯衍生物。

The article is about how to use phosgene and p-nitrophenylamine to react in acetic ether's liquefier to produce p-nitro-phenyl isocyanate, Its best technological condition have been discussed.

介绍用光气和对硝苯胺在酸酯溶剂中来制备对硝异氰酸苯酯的方法，并讨论了其最佳工艺条件。

The standard deviations were 0.06 and 0.14 for Phoxim and Quintozene repectively,while the coefficients of variation were 1.14% and 1.34%.The average recoveries were 99.5 and 99.2% separately.

辛硫磷和五氯硝苯标准偏差分别0.06和0.14,变异系数分别1.14%和1.34%,平均回收率分别99.5%和99.2%。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

间硝苯甲醛,乙酰乙酸乙酯,氨化试剂为原料。

Fluoroaniline is synthesized in two steps from p-nitrochlorobenzene and active potassium fluoride.

对氯硝苯和活氟化钾等为原料,经二步法合成了对氟苯胺。

Objective:To determine the pesticide hexachlorocyclohexane(BHC),dich lorodiphenyl trichloroethane(DDT)and pentachloronitrobenzene(PCNB)contents in home-planted Hedyotis diffusa Willd.

检测家种白花蛇舌草中六六六(BHC)、滴滴涕(DDT)、五氯硝苯(PCNB)的残留量。

The fluorization product of 2,4 dichloronitrobenzene was successfully analyzed by gas chromatography on OV 17 packed column.

OV-17为固定液，采用填充柱气相色谱法，对2，4-二氯硝苯的氟代产物进行了成功的分离和分析。

METHODS Balsalazide disodium was synthesized by reactions of condensation , reduction, diazotization , coupling and salification from 4-nitrobenzoyl chloride.

方法对硝苯甲酰氯为起始原料,经缩合、还原、重氮化、偶合、成盐等反应制得巴柳氮二钠。

By the deoxidization of zero-valent iron,nitrobenzene,an organic compound hard to be biodegraded,can be deoxidized to nitrosobenzene,and further to aniline,which is easily biodegraded.

利用零价铁的还原质,将难生物降解的有机物硝苯先还原生成亚硝苯,然后再进一步还原成可生物降解的苯胺。

The sythesis of Monuron herbicide by oxidative-reductive carbonylation of dimethyamine and p-ClC6H4NO2 using selenium as catalyst and organic base as cocatalyst was studied.

研究了硒为催化剂,有机胺为助催化剂,对氯硝苯和二甲胺为反应底物,经高氧化还原羰化一步合成灭草隆除草剂。

On the basis of mechanism analysis and compare of CODCr degradation rate, parachlorophenol and aniline were found to be easier degraded by ferrate than nitrobenzene.

由机理分析和宏观CODCr降解率难易程度比较可知高铁酸根与对氯苯酚、苯胺的反应比与硝苯的反应更加容易进行。

Aqueous titanium trichloride promoted intermolecular reductive cyclization of 1,2 -diketone and o-nitroaniline in basic media provides a convenient method for the synthesis of quinoxaline derivatives.

本文研究了三氯化钛水溶液作用下,邻硝苯胺与1,2-二酮在碱介质中分子间的成环反应,提供了一个方便地合成取代喹喔啉类化合物的方法。

Nitro 1,2,4 triazole 5 one(NTO)can be obtained by nitrating 1,2,4 triazole 3 one (TO) under different conditions,and nitrobenzyl derivatives of TO are prepared as well.

研究了1，2，4三唑酮3（TO）衍生物的合成，结果表明TO在多种硝化条件下均可制得3硝1，2，4三唑酮5（NTO），同时还合成了TO的二取代硝苯衍生物。

The article is about how to use phosgene and p-nitrophenylamine to react in acetic ether's liquefier to produce p-nitro-phenyl isocyanate, Its best technological condition have been discussed.

介绍用光气和对硝苯胺在乙酸乙酯溶剂中反应来制备对硝异氰酸苯酯的方法，并讨论了其最佳工艺条件。

The standard deviations were 0.06 and 0.14 for Phoxim and Quintozene repectively,while the coefficients of variation were 1.14% and 1.34%.The average recoveries were 99.5 and 99.2% separately.

辛硫磷和五氯硝苯标准偏差分别为0.06和0.14,变异系数分别为1.14%和1.34%,平均回收率分别为99.5%和99.2%。

Nefedipine was synthesized with m-Nitrobenzaldehyde,ethyl acetoacetate,ammonium acetate.

以间硝苯甲醛,乙酰乙酸乙酯,氨化试剂为原料。

Fluoroaniline is synthesized in two steps from p-nitrochlorobenzene and active potassium fluoride.

以对氯硝苯和活性氟化钾等为原料,经二步法合成了对氟苯胺。

Objective:To determine the pesticide hexachlorocyclohexane(BHC),dich lorodiphenyl trichloroethane(DDT)and pentachloronitrobenzene(PCNB)contents in home-planted Hedyotis diffusa Willd.

种白花蛇舌草中六六六(BHC)、滴滴涕(DDT)、五氯硝苯(PCNB)的残留量。

The fluorization product of 2,4 dichloronitrobenzene was successfully analyzed by gas chromatography on OV 17 packed column.

以OV-17为固定液，采用填充柱气相色谱法，对2，4-二氯硝苯的氟代产物行了成功的分离和分析。

METHODS Balsalazide disodium was synthesized by reactions of condensation , reduction, diazotization , coupling and salification from 4-nitrobenzoyl chloride.

方法以对硝苯甲酰氯为起始原料,经缩合、还原、重氮化、偶合、成盐等反应制得巴柳氮二钠。

By the deoxidization of zero-valent iron,nitrobenzene,an organic compound hard to be biodegraded,can be deoxidized to nitrosobenzene,and further to aniline,which is easily biodegraded.

利用零价铁的还原性质,将难生物降解的有机物硝苯先还原生成亚硝苯,然一步还原成可生物降解的苯胺。

The sythesis of Monuron herbicide by oxidative-reductive carbonylation of dimethyamine and p-ClC6H4NO2 using selenium as catalyst and organic base as cocatalyst was studied.

研究了以硒为催化剂,有机胺为助催化剂,对氯硝苯和二甲胺为反应底物,经高选择性氧化还原羰化一步合成灭草隆除草剂。

On the basis of mechanism analysis and compare of CODCr degradation rate, parachlorophenol and aniline were found to be easier degraded by ferrate than nitrobenzene.

由机理分析和宏观CODCr降解率难易程度比较可知高铁酸根与对氯苯酚、苯胺的反应比与硝苯的反应更加容易行。

Aqueous titanium trichloride promoted intermolecular reductive cyclization of 1,2 -diketone and o-nitroaniline in basic media provides a convenient method for the synthesis of quinoxaline derivatives.

本文研究了三氯化钛水溶液作用下,邻硝苯胺与1,2-二酮在碱性介质中分子间的成环反应,提供了一个方便地合成取代喹喔啉类化合物的方法。

Nitro 1,2,4 triazole 5 one(NTO)can be obtained by nitrating 1,2,4 triazole 3 one (TO) under different conditions,and nitrobenzyl derivatives of TO are prepared as well.

研究了1，2，4三唑酮3（TO）衍生物的合成，结果表明TO在多种硝化条件下均可制得3硝1，2，4三唑酮5（NTO），同时还合成了TO的二取代硝苯衍生物。

The article is about how to use phosgene and p-nitrophenylamine to react in acetic ether's liquefier to produce p-nitro-phenyl isocyanate, Its best technological condition have been discussed.

介绍用光气和对硝苯胺在乙酸乙酯溶剂中反应来制备对硝异氰酸苯酯的方法，并讨论了其最佳工艺条件。

The standard deviations were 0.06 and 0.14 for Phoxim and Quintozene repectively,while the coefficients of variation were 1.14% and 1.34%.The average recoveries were 99.5 and 99.2% separately.

辛硫磷和五氯硝苯标准偏差分别为0.06和0.14,变异系数分别为1.14%和1.34%,平均回收率分别为99.5%和99.2%。