查询词典 herbicides

Seed germination rate and germination speed and seedling root length are more sensitive to the extract than the other index. Allelopathy on Ligularia sagitta is different among the species tested in this study, Thermopsis lanceolata, Stellera chamaejasme, Aconitum sinomontanum, Ipornoea cairica, Ajania tenuifolia and Wedelia trilobata show better result. New natural herbicides may be developed from these 6 species.

不同供体植物对箭叶橐吾化感抑制程度不同，披针叶黄华、狼毒、高乌头、五爪金龙、细叶亚菊和南美彭琪菊的作用效果非常显著（综合化感效应指数M0.50），这6种植物有望开发天然除草剂。

Baotou is also a large population of the city, it is inevitable scopolamine missing herbicides, security management, there are some problems are inevitable.

包头也是一个外来人口较多的城市，难免莨莠不齐，治安管理方面存在一些问题也在所难免。

Regular blood tests of the sequestered biospherians showed increased levels of pesticides and herbicides in their blood.

这群与世隔绝的生物圈人的常规血液测试显示了血液中杀虫剂和除草剂含量的增加。

Cyanuric acid was used as an ingredient in herbicides and is also used in the production of melamine and sponge rubber.

三聚氰酸和三氯三聚氰胺有着与三聚氰胺相同的毒性范围。

In 1995-1996, field trials with herbicides to control weeds in rice stubble wheat field were carried out.

1995～1996年在稻茬免耕小麦田，进行了播前和播后药剂除草试验。结果表明，播前用41%草甘膦75ml/667m~2或20%百草枯100ml/667m~2防除杂草效果分别为96、94.1%。

It's soil, however, after its problems, the crop was phytotoxicity very concern, according to chlorine sulfonylurea herbicide easily after long after stubbly maize produced in the problem, residual phytotoxicity chose herbicides security agents Ⅰ compounds, N - methylene chloride acetyl groups - 5-2 - diethyl - propyl arene pbo.

它的土壤残留问题及其对后茬作物的药害影响，一直是人们极为关注的问题，故本文针对除草剂氯磺隆使用后易对后茬玉米产生残留药害的问题，选择了除草剂安全剂化合物Ⅰ：N-二氯乙酰基-5-乙基-2-丙基-1，3-恶唑烷。

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。

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。

From the ESR spectra, it was found that the radical concentration in polysulfide solution decreased about 85% after reacting with triazine herbicides.

近年来，在回用污水中，二甲基亚硝胺作为一种氯化处理污水的副产物经常被检测到，其浓度甚至高达0.1林岁L。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。