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.

检测家种白花蛇舌草中六六六(BHC)、滴滴(DDT)、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2，4-二苯的氟代产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.

方法以对苯甲酰为起始原料,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,将难生降解的有苯先还原生成亚苯,然后再进一步还原成可生降解的苯胺。

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,有胺为助催化剂,对苯和二甲胺为反应底,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.

由理分析和宏观CODCr降解率难易程度比较可知高铁酸根与对苯酚、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成环反应,提供了一个方便地合成取代喹喔啉类化合的方法。

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）衍生的合成，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），同时还合成了TO的二取代苯衍生。

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.

以间硝苯醛,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,经步法合成了对氟苯。

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-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。

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,有机为助催化剂,对氯硝苯和为反应底物,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根与对氯苯酚、苯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,邻硝苯与1,2-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在酯溶剂中反应来制备对硝异氰苯酯的方法，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.

间硝苯甲醛,乙酰乙酸乙酯,氨化试剂原料。

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,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.

研究了硒催化剂,有机胺助催化剂,对氯硝苯和二甲胺反应底物,经高选择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,氨化试剂为原料。

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

以氯硝苯和活性氟化钾等为原料,经二步法合成了氟苯胺。

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，采用填充柱气相色法，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.

方法以硝苯甲酰氯为起始原料,经缩合、还原、重化、偶合、成盐等反应制得二钠。

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.

研究了以硒为催化剂,有机胺为助催化剂,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.

介绍用光气和硝苯胺在乙酸乙酯溶剂中反应来制备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.

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.

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。

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.

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

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.

以对氯和活性氟化钾等为原料,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(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2，4-二氯氟代产物进行了成功分离和分析。

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.

利用零价铁还原性质,将难生物降有机物先还原生成亚,然后再进一步还原成可生物降胺。

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降率难易程度比较可知高铁酸根与对氯酚、胺反应比与反应更加容易进行。

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,邻胺与1,2-二酮在碱性介质中分子间成环反应,提供了一个方便地合成取代喹喔啉类化合物方法。

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）衍生物合成，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），同时还合成了TO二取代衍生物。

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.

介绍用光气和对胺在乙酸乙酯溶剂中反应来制备对异氰酸酯方法，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,氨化试剂为料。

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离。

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料,经缩合、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,经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.

检测家种白花蛇舌草中六六六(BHC)、滴滴涕(DDT)、五苯(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.

方法以对苯甲酰为起始原料,经缩合、还原、重氮化、偶合、成盐等得巴柳氮二钠。

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成亚苯,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.

研究了以硒为催化剂,有机胺为助催化剂,对苯和二甲胺为底物,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苯酚、苯胺的比与苯的更加容易进行。

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在多种化条件下均可得31，2，4三唑酮5（NTO），同时还合成了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来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.

以对氯和活性氟化钾等为原料,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(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2，4-二氯的氟代产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.

方法以对甲酰氯为起始原料,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,将难生降解的有机先还原生成亚,然后再进一步还原成可生降解的胺。

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.

研究了以硒为催化剂,有机胺为助催化剂,对氯和二甲胺为反应,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酚、胺的反应比与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）衍生的合成，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），同时还合成了TO的二取代衍生。

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.

介绍用光气和对胺在乙酸乙酯溶剂中反应来制备对异氰酸酯的方法，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.

辛硫磷和五氯标准偏差分别为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%。