查询词典 herbicides

The eluent was evaporated to near-dry under nitrogen and then redissolved with methanol-0.1% formic acid(1∶1,by volume),finally determined by HPLC-MS/MS.The linear range of the calibration curve was 0-50 μg/L for all pyridine herbicides.

在大白菜和橙子2种基质中分别添加5.0、10.0和20.0μg/kg3个水平，玉米基质中添加5.0、10.0、20.0和40.0μg/kg 4个水平的4种吡啶类除草剂混合标准溶液，平均回收率为70%~117%，方法的相对标准偏差小于15%。

The main products include: insecticides, acaricides, fungicides, herbicides, plant growth regulators, have EC, WP, SC, granules, liquid, effervescent formulations, etc., can satisfy the various seasons, various crops, various regions of the pesticide market needs.

主要产品有：杀虫剂、杀螨剂、杀菌剂、除草剂、植物生长调节剂，有乳油、可湿性粉剂、悬浮剂、颗粒剂、水剂、泡腾剂等剂型，能满足各个季节、各种作物、各个地区的农药市场需要。

A few years ago, Toronto banned the use of virtually all lawn pesticides and herbicides, including 2,4-D and carbaryl, on the ground that they pose a health risk, especially to children.

几年前，多伦多禁止使用实际上所有的杀虫剂和除草剂，包括2，4－D和胺甲萘，因为这些杀虫剂对人的健康有威胁，特别是对儿童。

"Atrazine is one of the top-selling herbicides used worldwide and was designed to inhibit weed growth in cornfields," the university said in a statement.

渥太华大学称：atrazine是一种在世界各地广泛应用的最畅销的除草剂之一，它可以抑制田里的草生长。

"Atrazine is one of the top-selling herbicides used worldwide and was designed to inhibit weed growth in cornfields," the university said in a statement.

阿特拉津是世界上卖的最好的除草剂之一，它的功效就是阻止野草在玉米地的生长。渥太华大学在一个陈述中说。

Also, the "MeiTai" pumpkin showed a little bit higher tolerance to pendimethalin than "NO1 pumpkin" cultivar.3 The differences in Inhibition rate on different cucurbits between two herbicidesResults showed that inhibition increased with rate of application of herbicides increase. There was little injury of pendimethalin at 5 ppm on "white beauty "muskmelon,"green farmNo9" watermelon,"Jinghu No2"squash and "MeiTai" pumpkin.

不同除草剂对不同瓜类抑制率的差异在除草剂用量5ppm～10ppm之间，随着浓度的增加，抑制有明显增强的趋势。5ppm施田补对&白美人&甜瓜、&绿农九号&西瓜、&京葫二号&西葫芦及&美泰赤粟&南瓜安全。10ppm对&绿农九号&也很安全，对&京葫二号&相对安全，对其它瓜类安全性不高。5ppm及10ppm的乙草胺对&绿农九号&西瓜安全，对&南瓜一号&相对安全。

ALA is known to have prospective applications in herbicides, insecticides, defoliants and growth regulators. Also the applications of ALA in agriculture, medicine and organic synthesis are introduced.

介绍了ALA在农业领域作为无公害绿色除草剂、杀虫剂、落叶剂、植物生长调节剂等的应用，及其在医学领域和有机合成中的应用。

USDA found that in tandem with the farmers opening up new land, the whole agricultural input/output system comprised of multinationals and Brazilian companies is widening its presence across the state of Mato Grosso but also in outposts like Tocantins and Piaui, often in previously underdeveloped regions, making seed, fertilizer, herbicides available on the one hand and credit, purchasing, transport and export to complete the cycle.

美国农业部发现，在与农场主共同开发新土地的过程中，由国内外公司组成的整个投入／产出体系不仅越来越多地出现在马托格罗索州，而且还出现在托坎挺、帕瓦等边区村落（这些地方过去往往是欠发达地区），这一体系一方面经营种子、化肥、杀虫剂，另一方面联系信贷、采购、运输、出口等事项以完善整个体系。

The herbicides in the sample was extracted with ethyl acetate. The extract was decanted into a flask through a filter paper, then the filtered solution was concentrated to dry. The dry sample was dissolved and added to 5 mL with acetone-n-hexane (30:70, V/V). It was cleaned up by Florisil, concentrated again. The sample was dissolved and adjusted to 1mL with acetone.

匀浆后的草莓试样用乙酸乙酯进行提取，提取液经滤纸过滤后收集，再浓缩蒸干，用丙酮：正己烷(30：70， V/V)溶液溶解至5ml，经Florisil固相萃取柱净化，吹干后用丙酮定容，供气相色谱－质谱联用仪进行测定。

Residual effect in soil (especially for herbicides/systemic soil-incorporation pesticides, fumigants) or building materials

在泥土中或建筑材料上之残效影响（尤其是除草剂／能与泥土混和的内吸性除害剂，熏蒸剂

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。