除草剂

Nitro-4-methylsulfonylbenzoic acid was prepared from 4-toluene sulfonyl chloride by the reaction of Alkylation (in the condition of sodium sulfite and baking soda), Nitrification (in the condition of nitric acid and vitriol) and Oxidation reaction (in the condition of nitric acid and catalyzer).

研究了以对甲苯磺酰氯为起始原料，首先通过亚硫酸钠和碳酸氢钠的水溶液进行烷基化、其次在浓硝酸和浓硫酸加热回流的条件下峭化、最后在浓硝酸和催化剂的条件下进行氧化，3步反应合成了玉米田高效除草剂甲基磺草酮的重要中间体2-硝基－4-甲磺酰基苯甲酸。

The application of natural synergist SD or SDP would provid more control compared with the same dose of the above herbicides.

植物源助剂SD和SDP的应用，可使除草剂的效果有所提高。

I produced fertilizer, plant hormone, agricultural synergist, insecticide, fungicide, herbicide six series over 100 varieties, with its reliable quality, beautifully packaged in the agricultural industry has won a very good reputation.

我公司生产的叶面肥、植物激素、农用增效剂、杀虫剂，杀菌剂、除草剂六大系列100多个品种，以其可靠的质量，精美的包装在农资行业赢得了很好的盛誉。

A mesocosm experiment demonstrated that, relative to control tanks, atrazine tanks had immunosuppressed tadpoles, had significantly more attached algae and snails, and had tadpoles with elevated trematode loads, further supporting a causal relationship between atrazine and elevated trematode infections in amphibians.

在关于吸虫感染的超过240种可靠的预测因素（这些因素从各种不同植物和动物物种的存在到农用化学药品和生境地理因素都包括在内）中，两个因素比较突出："莠去津"除草剂和"磷酸盐"化肥。

The method can meet the requirements for the simultaneous determination of many triazine herbicides residues in rice for import and export inspection.

该方法可同时满足进出口大米中多种三嗪类除草剂残留的检验需要。

Finally, a low pH diminishes effectiveness of triazine herbicides such as atrazine so weeds become a more serious problem.

第三，过低的pH会使三嗪类的除草剂，如阿特拉津的除草效果降低，从而引起杂草的严重问题。

The binding of triazine herbicide to catalase in aqueous solution was studied using fluorescence spectroscopy.

应用荧光光谱法研究了水溶液中三嗪类除草剂扑草净和扑灭通与过氧化氢酶分子间的相互作用。

A reversed phase high performance liquid chromatography method has been developed for the simultaneous determination of thirteen triazine herbicide residues in soybeans .

建立了同时检测大豆中13种三嗪类除草剂多残留量的反相高效液相色谱方法。

An analytical method was developed for the simultaneous determination of 20 triazine herbicide residues in wheat using Ultra Performance LC for detection.

建立了超高效液相色谱快速、准确、高灵敏度测定小麦中20种三嗪类除草剂残留量的分析方法，并用于实际样品的分析。

In the derivatives of 2-(4-bromobenzyl-amino)-4-methyl-6-trifluoromethyl-1, 3, 5 triazine, the atoms of N(8), C (9) were the important active parts, it was considered to bind to the different amino acid residue at the D1 protein as traditional striazine herbicides.

对于2-（4-溴苄氨基）－4-甲基－6-三氟甲基－1，3，5-三氮苯中，N(8)和C(9)是重要的活性部位，和传统的均三氮苯类除草剂分子相比，与D1蛋白上不同的氨基酸残基发生了键合作用。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了