She was on her knees weeding the garden.

她跪着在园里除草。

Tomorrow I have to weed the garden.

我明天得给花园除草。

Peasants are busy weeding under the scorching sun.

农民在炎炎烈日下忙着除草。

The gardener estimated that it would take him four hours to weed the garden.

园丁估计他给花园除草需要四个小时。

Life history traits of mictic females in two strains of Brachionus calyciflorus (Rotifera).

除草剂草甘膦萼花臂尾轮虫生活史特征的影响。

In this paper,the process of synthesizing new model weedicide oryzalin was studied.

本型除草剂安磺灵的合成工艺进行了研究。

Sorption is one of the most important mechanisms deciding Dinoseb transport in soils.

吸附是决定除草剂地乐酚在土壤迁移的重要机制之一。

He forked the weeds out.

他耙子除草。

A method for quantitative analysis of nitrofen in soils and water by RP-HPLC was introduced.

介绍了应反相高效液相色谱检测水、土壤除草醚的方法。

This herbicide degrades in moist soil.

这种除草剂在潮湿的土壤分解。

He is busy weeding.

他正忙除草。

Altenusin was reported as myosin light chain kinase inhibitor and sphingomyelinase inhibitor.TAN-420E has antitumor activity.

TAN-420E曾报道有抗肿瘤活性，易氧化为Herbimycin A，后者是很好的除草剂，并具有一定抗菌活性。

It was significant to separate and enrich herbicide picloram from environment sample by molecular imprinting technique.

这分子印迹技术境样品除草剂青莠定的分离和富集具有重要意义。

Twelve derivates of S-tetrazine including three of 1,6-dihydro-S-tetrazines prepared recently were screened by pesticide activity.

12个S四嗪衍生物,包括3个合成的1,6二氢S四嗪衍生物,除草、杀菌、杀虫活性进行筛选。

Six series of aryloxy pyridazines derivatives have been synthesized starting from 3,6 dichloro pyradizine.

以3,6-二氯哒嗪为原料,合成了6类芳氧基哒嗪类衍生物,研究了它们的合成方法,并测定了所得产物的除草活性。

Some experiments were did on herbicide activity, and had found that activities of some compounds was good,especially 3,6-bis-benzyl-s-tetrazine.

其部分化合物进行了生物活性实验,发现有些化合物显示了较好的活性,同时发现烷基取代基的引入可以提高除草活性。

In this paper,the contents of herbicide bifenox weredeterminated by the differential UV spectrophotometry at 280nm,and the reference solution was that the 40.

本采差示紫外分光光度法，以40．0微克／毫升的甲羧除草醚己烷液为参比溶液，在波长280纳米处测定其含量。

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,氯硝基苯和二甲胺为反应底物,经高选择性氧化还原羰基化一步合成灭草隆除草剂。

As steric hindrance of the aryl amine decreased and nucleophilicity increased, occurrence of the transfor-mation reaction increased and herbicidal activity of the product decreased.

芳胺空间位阻越小,亲核性越强,副反应越容易发生,产物除草活性越低。

Several non-infectious diseases including the leaf red spot, gummosis, herbicide in jury, typhoon damage and genetic albinism and an unidentified leaf crinkle disease are also described.

此外非病原性病害包括红斑病、流胶病、除草剂药害、风害及遗传性白化症等，以及病因不明之尾叶桉皱叶病亦在内叙述之。

She was on her knees weeding the garden.

她跪着园里除草。

Tomorrow I have to weed the garden.

我明天得给花园除草。

Peasants are busy weeding under the scorching sun.

农烈日下忙着除草。

The gardener estimated that it would take him four hours to weed the garden.

园丁估计他给花园除草需要四个小时。

Life history traits of mictic females in two strains of Brachionus calyciflorus (Rotifera).

除草剂草甘膦对萼花臂尾轮生活史特征的影响。

In this paper,the process of synthesizing new model weedicide oryzalin was studied.

本文对新型除草剂安磺灵的合成工艺进行了研究。

Sorption is one of the most important mechanisms deciding Dinoseb transport in soils.

吸附是决定除草剂地乐酚土壤迁移的重要机制之一。

He forked the weeds out.

他用耙子除草。

A method for quantitative analysis of nitrofen in soils and water by RP-HPLC was introduced.

介绍了应用反相高效液相色谱检测水、土壤除草醚的方法。

This herbicide degrades in moist soil.

这种除草剂潮湿的土壤分解。

He is busy weeding.

他正忙于除草。

Altenusin was reported as myosin light chain kinase inhibitor and sphingomyelinase inhibitor.TAN-420E has antitumor activity.

TAN-420E曾报道有抗肿瘤活性，易氧化为Herbimycin A，后者是很好的除草剂，并具有一定抗活性。

It was significant to separate and enrich herbicide picloram from environment sample by molecular imprinting technique.

这对分子印迹技术用于环境样品除草剂青莠定的分离和富集具有重要意义。

Twelve derivates of S-tetrazine including three of 1,6-dihydro-S-tetrazines prepared recently were screened by pesticide activity.

对12个S四嗪衍生物,包括3个新合成的1,6二氢S四嗪衍生物,除草、、活性进行筛选。

Six series of aryloxy pyridazines derivatives have been synthesized starting from 3,6 dichloro pyradizine.

以3,6-二氯哒嗪为原料,合成了6类芳氧基哒嗪类衍生物,研究了它们的合成方法,并测定了所得产物的除草活性。

Some experiments were did on herbicide activity, and had found that activities of some compounds was good,especially 3,6-bis-benzyl-s-tetrazine.

对其部分化合物进行了生物活性实验,发现有些化合物显示了较好的活性,同时发现烷基取代基的引入可以提高除草活性。

In this paper,the contents of herbicide bifenox weredeterminated by the differential UV spectrophotometry at 280nm,and the reference solution was that the 40.

本文采用差示紫外分光光度法，以40．0微克／毫升的甲羧除草醚己烷液为参比溶液，波长280纳米处测定其含量。

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,对氯硝基苯和二甲胺为反应底物,经高选择性氧化还原羰基化一步合成灭草隆除草剂。

As steric hindrance of the aryl amine decreased and nucleophilicity increased, occurrence of the transfor-mation reaction increased and herbicidal activity of the product decreased.

芳胺空间位阻越小,亲核性越强,副反应越容易发生,产物除草活性越低。

Several non-infectious diseases including the leaf red spot, gummosis, herbicide in jury, typhoon damage and genetic albinism and an unidentified leaf crinkle disease are also described.

此外非病原性病害包括红斑病、流胶病、除草剂药害、风害及遗传性白化症等，以及病因不明之尾叶桉皱叶病亦文内叙述之。

She was on her knees weeding the garden.

她跪着在园里除草。

Tomorrow I have to weed the garden.

我明天得给花园除草。

Peasants are busy weeding under the scorching sun.

农民在炎炎烈日下忙着除草。

The gardener estimated that it would take him four hours to weed the garden.

园他给花园除草需要四个小时。

Life history traits of mictic females in two strains of Brachionus calyciflorus (Rotifera).

除草剂草甘膦对萼花臂尾轮虫生活史特征影响。

In this paper,the process of synthesizing new model weedicide oryzalin was studied.

本文对新型除草剂安磺灵合工艺进行了研究。

Sorption is one of the most important mechanisms deciding Dinoseb transport in soils.

吸附是决定除草剂地乐酚在土壤迁移重要机制之一。

He forked the weeds out.

他用耙子除草。

A method for quantitative analysis of nitrofen in soils and water by RP-HPLC was introduced.

介绍了应用反相高效液相色谱检测水、土壤除草醚方法。

This herbicide degrades in moist soil.

这种除草剂在潮湿土壤分解。

He is busy weeding.

他正忙于除草。

Altenusin was reported as myosin light chain kinase inhibitor and sphingomyelinase inhibitor.TAN-420E has antitumor activity.

TAN-420E曾报道有抗肿瘤活性，易氧化为Herbimycin A，后者是很好除草剂，并具有一定抗菌活性。

It was significant to separate and enrich herbicide picloram from environment sample by molecular imprinting technique.

这对分子印迹技术用于环境样品除草剂青莠定分离和富集具有重要意义。

Twelve derivates of S-tetrazine including three of 1,6-dihydro-S-tetrazines prepared recently were screened by pesticide activity.

对12个S四嗪衍生物,包括3个新合1,6氢S四嗪衍生物,除草、杀菌、杀虫活性进行筛选。

Six series of aryloxy pyridazines derivatives have been synthesized starting from 3,6 dichloro pyradizine.

以3,6-氯哒嗪为原料,合了6类芳氧基哒嗪类衍生物,研究了它们合方法,并测定了所得产物除草活性。

Some experiments were did on herbicide activity, and had found that activities of some compounds was good,especially 3,6-bis-benzyl-s-tetrazine.

对其部分化合物进行了生物活性实验,发现有些化合物显示了较好活性,同时发现烷基取代基引入可以提高除草活性。

In this paper,the contents of herbicide bifenox weredeterminated by the differential UV spectrophotometry at 280nm,and the reference solution was that the 40.

本文采用差示紫外分光光度法，以40．0微克／毫升甲羧除草醚己烷液为参比溶液，在波长280纳米处测定其含量。

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,对氯硝基苯和甲胺为反应底物,经高选择性氧化还原羰基化一步合灭草隆除草剂。

As steric hindrance of the aryl amine decreased and nucleophilicity increased, occurrence of the transfor-mation reaction increased and herbicidal activity of the product decreased.

芳胺空间位阻越小,亲核性越强,副反应越容易发生,产物除草活性越低。

Several non-infectious diseases including the leaf red spot, gummosis, herbicide in jury, typhoon damage and genetic albinism and an unidentified leaf crinkle disease are also described.

此外非病原性病害包括红斑病、流胶病、除草剂药害、风害及遗传性白化症等，以及病因不明之尾叶桉皱叶病亦在文内叙述之。

She was on her knees weeding the garden.

她跪着在园里。

Tomorrow I have to weed the garden.

我明天得给花园。

Peasants are busy weeding under the scorching sun.

农民在炎炎烈日下忙着。

The gardener estimated that it would take him four hours to weed the garden.

园丁估计他给花园需要四个小时。

Life history traits of mictic females in two strains of Brachionus calyciflorus (Rotifera).

剂甘膦对萼花臂尾轮虫生活史特征影响。

In this paper,the process of synthesizing new model weedicide oryzalin was studied.

本文对新型剂安磺灵合成工艺进行了研究。

Sorption is one of the most important mechanisms deciding Dinoseb transport in soils.

吸定剂地乐酚在土壤迁移重要机制之一。

He forked the weeds out.

他用耙子。

A method for quantitative analysis of nitrofen in soils and water by RP-HPLC was introduced.

介绍了应用反相高效液相色谱检测水、土壤醚方法。

This herbicide degrades in moist soil.

这种剂在潮湿土壤分解。

He is busy weeding.

他正忙于。

Altenusin was reported as myosin light chain kinase inhibitor and sphingomyelinase inhibitor.TAN-420E has antitumor activity.

TAN-420E曾报道有抗肿瘤活性，易氧化为Herbimycin A，后者很好剂，并具有一定抗菌活性。

It was significant to separate and enrich herbicide picloram from environment sample by molecular imprinting technique.

这对分子印迹技术用于环境样品剂青莠定分离和富集具有重要意义。

Twelve derivates of S-tetrazine including three of 1,6-dihydro-S-tetrazines prepared recently were screened by pesticide activity.

对12个S四嗪衍生物,包括3个新合成1,6二氢S四嗪衍生物,、杀菌、杀虫活性进行筛选。

Six series of aryloxy pyridazines derivatives have been synthesized starting from 3,6 dichloro pyradizine.

以3,6-二氯哒嗪为原料,合成了6类芳氧基哒嗪类衍生物,研究了它们合成方法,并测定了所得产物活性。

Some experiments were did on herbicide activity, and had found that activities of some compounds was good,especially 3,6-bis-benzyl-s-tetrazine.

对其部分化合物进行了生物活性实验,发现有些化合物显示了较好活性,同时发现烷基取代基引入可以提高活性。

In this paper,the contents of herbicide bifenox weredeterminated by the differential UV spectrophotometry at 280nm,and the reference solution was that the 40.

本文采用差示紫外分光光度法，以40．0微克／毫升甲羧醚己烷液为参比溶液，在波长280纳米处测定其含量。

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,对氯硝基苯和二甲胺为反应底物,经高选择性氧化还原羰基化一步合成灭隆剂。

As steric hindrance of the aryl amine decreased and nucleophilicity increased, occurrence of the transfor-mation reaction increased and herbicidal activity of the product decreased.

芳胺空间位阻越小,亲核性越强,副反应越容易发生,产物活性越低。

Several non-infectious diseases including the leaf red spot, gummosis, herbicide in jury, typhoon damage and genetic albinism and an unidentified leaf crinkle disease are also described.

此外非病原性病害包括红斑病、流胶病、剂药害、风害及遗传性白化症等，以及病因不明之尾叶桉皱叶病亦在文内叙述之。

She was on her knees weeding the garden.

她跪着在园里除草。

Tomorrow I have to weed the garden.

我明天得给花园除草。

Peasants are busy weeding under the scorching sun.

农民在炎炎烈日下忙着除草。

The gardener estimated that it would take him four hours to weed the garden.

园丁估计他给花园除草需要四个小时。

Life history traits of mictic females in two strains of Brachionus calyciflorus (Rotifera).

除草剂草甘膦对萼花臂尾轮虫生史特征的影响。

In this paper,the process of synthesizing new model weedicide oryzalin was studied.

本文对新型除草剂安磺灵的合成工艺进行了研究。

Sorption is one of the most important mechanisms deciding Dinoseb transport in soils.

吸附是决定除草剂地乐酚在土移的重要机制之一。

He forked the weeds out.

他用耙子除草。

A method for quantitative analysis of nitrofen in soils and water by RP-HPLC was introduced.

介绍了应用反相高效液相色谱检测水、土除草醚的方法。

This herbicide degrades in moist soil.

这种除草剂在潮湿的土分解。

He is busy weeding.

他正忙于除草。

Altenusin was reported as myosin light chain kinase inhibitor and sphingomyelinase inhibitor.TAN-420E has antitumor activity.

TAN-420E曾报道有抗肿，易氧化为Herbimycin A，后者是很好的除草剂，并具有一定抗菌。

It was significant to separate and enrich herbicide picloram from environment sample by molecular imprinting technique.

这对分子印迹技术用于环境样品除草剂青莠定的分离和富集具有重要意义。

Twelve derivates of S-tetrazine including three of 1,6-dihydro-S-tetrazines prepared recently were screened by pesticide activity.

对12个S四嗪衍生物,包括3个新合成的1,6二氢S四嗪衍生物,除草、杀菌、杀虫进行筛选。

Six series of aryloxy pyridazines derivatives have been synthesized starting from 3,6 dichloro pyradizine.

以3,6-二氯哒嗪为原料,合成了6类芳氧基哒嗪类衍生物,研究了它们的合成方法,并测定了所得产物的除草。

Some experiments were did on herbicide activity, and had found that activities of some compounds was good,especially 3,6-bis-benzyl-s-tetrazine.

对其部分化合物进行了生物实验,发现有些化合物显示了较好的,同时发现烷基取代基的引入可以提高除草。

In this paper,the contents of herbicide bifenox weredeterminated by the differential UV spectrophotometry at 280nm,and the reference solution was that the 40.

本文采用差示紫外分光光度法，以40．0微克／毫升的甲羧除草醚己烷液为参比溶液，在波长280纳米处测定其含量。

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,对氯硝基苯和二甲胺为反应底物,经高选择氧化还原羰基化一步合成灭草隆除草剂。

As steric hindrance of the aryl amine decreased and nucleophilicity increased, occurrence of the transfor-mation reaction increased and herbicidal activity of the product decreased.

芳胺空间位阻越小,亲核越强,副反应越容易发生,产物除草越低。

Several non-infectious diseases including the leaf red spot, gummosis, herbicide in jury, typhoon damage and genetic albinism and an unidentified leaf crinkle disease are also described.

此外非病原病害包括红斑病、流胶病、除草剂药害、风害及遗传白化症等，以及病因不明之尾叶桉皱叶病亦在文内叙述之。

She was on her knees weeding the garden.

她跪着园里除草。

Tomorrow I have to weed the garden.

我明天得给花园除草。

Peasants are busy weeding under the scorching sun.

农烈日下忙着除草。

The gardener estimated that it would take him four hours to weed the garden.

园丁估计他给花园除草需要四个小时。

Life history traits of mictic females in two strains of Brachionus calyciflorus (Rotifera).

除草剂草甘膦对萼花臂尾轮生活史特征的影响。

In this paper,the process of synthesizing new model weedicide oryzalin was studied.

本文对新型除草剂安磺灵的合成工艺进行了研究。

Sorption is one of the most important mechanisms deciding Dinoseb transport in soils.

吸附是决定除草剂地乐酚土壤迁移的重要机制之一。

He forked the weeds out.

他用耙子除草。

A method for quantitative analysis of nitrofen in soils and water by RP-HPLC was introduced.

介绍了应用反相高效液相色谱检测水、土壤除草醚的方法。

This herbicide degrades in moist soil.

这种除草剂潮湿的土壤分解。

He is busy weeding.

他正忙于除草。

Altenusin was reported as myosin light chain kinase inhibitor and sphingomyelinase inhibitor.TAN-420E has antitumor activity.

TAN-420E曾报道有抗肿瘤活性，易氧化为Herbimycin A，后者是很好的除草剂，并具有一定抗活性。

It was significant to separate and enrich herbicide picloram from environment sample by molecular imprinting technique.

这对分子印迹技术用于环境样品除草剂青莠定的分离和富集具有重要意义。

Twelve derivates of S-tetrazine including three of 1,6-dihydro-S-tetrazines prepared recently were screened by pesticide activity.

对12个S四嗪衍生物,包括3个新合成的1,6二氢S四嗪衍生物,除草、、活性进行筛选。

Six series of aryloxy pyridazines derivatives have been synthesized starting from 3,6 dichloro pyradizine.

以3,6-二氯哒嗪为原料,合成了6类芳氧基哒嗪类衍生物,研究了它们的合成方法,并测定了所得产物的除草活性。

Some experiments were did on herbicide activity, and had found that activities of some compounds was good,especially 3,6-bis-benzyl-s-tetrazine.

对其部分化合物进行了生物活性实验,发现有些化合物显示了较好的活性,同时发现烷基取代基的引入可以提高除草活性。

In this paper,the contents of herbicide bifenox weredeterminated by the differential UV spectrophotometry at 280nm,and the reference solution was that the 40.

本文采用差示紫外分光光度法，以40．0微克／毫升的甲羧除草醚己烷液为参比溶液，波长280纳米处测定其含量。

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,对氯硝基苯和二甲胺为反应底物,经高选择性氧化还原羰基化一步合成灭草隆除草剂。

As steric hindrance of the aryl amine decreased and nucleophilicity increased, occurrence of the transfor-mation reaction increased and herbicidal activity of the product decreased.

芳胺空间位阻越小,亲核性越强,副反应越容易发生,产物除草活性越低。

Several non-infectious diseases including the leaf red spot, gummosis, herbicide in jury, typhoon damage and genetic albinism and an unidentified leaf crinkle disease are also described.

此外非病原性病害包括红斑病、流胶病、除草剂药害、风害及遗传性白化症等，以及病因不明之尾叶桉皱叶病亦文内叙述之。

She was on her knees weeding the garden.

她跪着在里除。

Tomorrow I have to weed the garden.

我明天得给花除。

Peasants are busy weeding under the scorching sun.

农民在炎炎烈日下忙着除。

The gardener estimated that it would take him four hours to weed the garden.

估计他给花除需要个小时。

Life history traits of mictic females in two strains of Brachionus calyciflorus (Rotifera).

除剂甘膦对萼花臂尾轮虫生活史特征的影响。

In this paper,the process of synthesizing new model weedicide oryzalin was studied.

本文对新型除剂安磺灵的合成工艺进行了研究。

Sorption is one of the most important mechanisms deciding Dinoseb transport in soils.

吸附是决定除剂地乐酚在土壤迁移的重要机制之一。

He forked the weeds out.

他用耙子除。

A method for quantitative analysis of nitrofen in soils and water by RP-HPLC was introduced.

介绍了应用反相高效液相色谱检测水、土壤除醚的方法。

This herbicide degrades in moist soil.

这种除剂在潮湿的土壤分解。

He is busy weeding.

他正忙于除。

Altenusin was reported as myosin light chain kinase inhibitor and sphingomyelinase inhibitor.TAN-420E has antitumor activity.

TAN-420E曾报道有抗肿瘤活性，易氧化为Herbimycin A，后者是很好的除剂，并具有一定抗菌活性。

It was significant to separate and enrich herbicide picloram from environment sample by molecular imprinting technique.

这对分子印迹技术用于环境样品除剂青莠定的分离和富集具有重要意义。

Twelve derivates of S-tetrazine including three of 1,6-dihydro-S-tetrazines prepared recently were screened by pesticide activity.

对12个S嗪衍生物,包括3个新合成的1,6S嗪衍生物,除、杀菌、杀虫活性进行筛选。

Six series of aryloxy pyridazines derivatives have been synthesized starting from 3,6 dichloro pyradizine.

以3,6-氯哒嗪为原料,合成了6类芳氧基哒嗪类衍生物,研究了它们的合成方法,并测定了所得产物的除活性。

Some experiments were did on herbicide activity, and had found that activities of some compounds was good,especially 3,6-bis-benzyl-s-tetrazine.

对其部分化合物进行了生物活性实验,发现有些化合物显示了较好的活性,同时发现烷基取代基的引入可以提高除活性。

In this paper,the contents of herbicide bifenox weredeterminated by the differential UV spectrophotometry at 280nm,and the reference solution was that the 40.

本文采用差示紫外分光光度法，以40．0微克／毫升的甲羧除醚己烷液为参比溶液，在波长280纳米处测定其含量。

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,对氯硝基苯和甲胺为反应底物,经高选择性氧化还原羰基化一步合成灭隆除剂。

As steric hindrance of the aryl amine decreased and nucleophilicity increased, occurrence of the transfor-mation reaction increased and herbicidal activity of the product decreased.

芳胺空间位阻越小,亲核性越强,副反应越容易发生,产物除活性越低。

Several non-infectious diseases including the leaf red spot, gummosis, herbicide in jury, typhoon damage and genetic albinism and an unidentified leaf crinkle disease are also described.

此外非病原性病害包括红斑病、流胶病、除剂药害、风害及遗传性白化症等，以及病因不明之尾叶桉皱叶病亦在文内叙述之。

She was on her knees weeding the garden.

她跪着在园里除草。

Tomorrow I have to weed the garden.

我明天得给花园除草。

Peasants are busy weeding under the scorching sun.

农民在炎炎烈日下忙着除草。

The gardener estimated that it would take him four hours to weed the garden.

园丁估计他给花园除草需要四个小时。

Life history traits of mictic females in two strains of Brachionus calyciflorus (Rotifera).

除草剂草甘膦对萼花臂尾轮虫生活史特征影响。

In this paper,the process of synthesizing new model weedicide oryzalin was studied.

本文对新型除草剂安磺灵合成工艺进行研究。

Sorption is one of the most important mechanisms deciding Dinoseb transport in soils.

吸附是决定除草剂地乐酚在迁移重要机制之一。

He forked the weeds out.

他用耙子除草。

A method for quantitative analysis of nitrofen in soils and water by RP-HPLC was introduced.

介用反相高效液相色谱检测水、除草醚方法。

This herbicide degrades in moist soil.

这种除草剂在潮湿分解。

He is busy weeding.

他正忙于除草。

Altenusin was reported as myosin light chain kinase inhibitor and sphingomyelinase inhibitor.TAN-420E has antitumor activity.

TAN-420E曾报道有抗肿瘤活性，易氧化为Herbimycin A，后者是很好除草剂，并具有一定抗菌活性。

It was significant to separate and enrich herbicide picloram from environment sample by molecular imprinting technique.

这对分子印迹技术用于环境样品除草剂青莠定分离和富集具有重要意义。

Twelve derivates of S-tetrazine including three of 1,6-dihydro-S-tetrazines prepared recently were screened by pesticide activity.

对12个S四嗪衍生物,包括3个新合成1,6二氢S四嗪衍生物,除草、杀菌、杀虫活性进行筛选。

Six series of aryloxy pyridazines derivatives have been synthesized starting from 3,6 dichloro pyradizine.

以3,6-二氯哒嗪为原料,合成6类芳氧基哒嗪类衍生物,研究它们合成方法,并测定所得产物除草活性。

Some experiments were did on herbicide activity, and had found that activities of some compounds was good,especially 3,6-bis-benzyl-s-tetrazine.

对其部分化合物进行生物活性实验,发现有些化合物显示较好活性,同时发现烷基取代基引入可以提高除草活性。

In this paper,the contents of herbicide bifenox weredeterminated by the differential UV spectrophotometry at 280nm,and the reference solution was that the 40.

本文采用差示紫外分光光度法，以40．0微克／毫升甲羧除草醚己烷液为参比溶液，在波长280纳米处测定其含量。

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.

研究以硒为催化剂,有机胺为助催化剂,对氯硝基苯和二甲胺为反底物,经高选择性氧化还原羰基化一步合成灭草隆除草剂。

As steric hindrance of the aryl amine decreased and nucleophilicity increased, occurrence of the transfor-mation reaction increased and herbicidal activity of the product decreased.

芳胺空间位阻越小,亲核性越强,副反越容易发生,产物除草活性越低。

Several non-infectious diseases including the leaf red spot, gummosis, herbicide in jury, typhoon damage and genetic albinism and an unidentified leaf crinkle disease are also described.

此外非病原性病害包括红斑病、流胶病、除草剂药害、风害及遗传性白化症等，以及病因不明之尾叶桉皱叶病亦在文内叙述之。

She was on her knees weeding the garden.

她跪着在园里。

Tomorrow I have to weed the garden.

我明天得给花园。

Peasants are busy weeding under the scorching sun.

农民在炎炎烈日下忙着。

The gardener estimated that it would take him four hours to weed the garden.

园丁估计他给花园需要四个小时。

Life history traits of mictic females in two strains of Brachionus calyciflorus (Rotifera).

剂甘膦对萼花臂尾轮虫生活史特征影响。

In this paper,the process of synthesizing new model weedicide oryzalin was studied.

本文对新型剂安磺灵合成工艺进行了研究。

Sorption is one of the most important mechanisms deciding Dinoseb transport in soils.

吸定剂地乐酚在土壤迁移重要机制之一。

He forked the weeds out.

他用耙子。

A method for quantitative analysis of nitrofen in soils and water by RP-HPLC was introduced.

介绍了应用反相高效液相色谱检测水、土壤醚方法。

This herbicide degrades in moist soil.

这种剂在潮湿土壤分解。

He is busy weeding.

他正忙于。

Altenusin was reported as myosin light chain kinase inhibitor and sphingomyelinase inhibitor.TAN-420E has antitumor activity.

TAN-420E曾报道有抗肿瘤活性，易氧化为Herbimycin A，后者很好剂，并具有一定抗菌活性。

It was significant to separate and enrich herbicide picloram from environment sample by molecular imprinting technique.

这对分子印迹技术用于环境样品剂青莠定分离和富集具有重要意义。

Twelve derivates of S-tetrazine including three of 1,6-dihydro-S-tetrazines prepared recently were screened by pesticide activity.

对12个S四嗪衍生物,包括3个新合成1,6二氢S四嗪衍生物,、杀菌、杀虫活性进行筛选。

Six series of aryloxy pyridazines derivatives have been synthesized starting from 3,6 dichloro pyradizine.

以3,6-二氯哒嗪为原料,合成了6类芳氧基哒嗪类衍生物,研究了它们合成方法,并测定了所得产物活性。

Some experiments were did on herbicide activity, and had found that activities of some compounds was good,especially 3,6-bis-benzyl-s-tetrazine.

对其部分化合物进行了生物活性实验,发现有些化合物显示了较好活性,同时发现烷基取代基引入可以提高活性。

In this paper,the contents of herbicide bifenox weredeterminated by the differential UV spectrophotometry at 280nm,and the reference solution was that the 40.

本文采用差示紫外分光光度法，以40．0微克／毫升甲羧醚己烷液为参比溶液，在波长280纳米处测定其含量。

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,对氯硝基苯和二甲胺为反应底物,经高选择性氧化还原羰基化一步合成灭隆剂。

As steric hindrance of the aryl amine decreased and nucleophilicity increased, occurrence of the transfor-mation reaction increased and herbicidal activity of the product decreased.

芳胺空间位阻越小,亲核性越强,副反应越容易发生,产物活性越低。

Several non-infectious diseases including the leaf red spot, gummosis, herbicide in jury, typhoon damage and genetic albinism and an unidentified leaf crinkle disease are also described.

此外非病原性病害包括红斑病、流胶病、剂药害、风害及遗传性白化症等，以及病因不明之尾叶桉皱叶病亦在文内叙述之。