近年农药研究比较活跃的领域有天然农药、原农药、手性农药等。
The active areas of pesticide chemistry are considered to be botanical pesticides, pro-pesticides, chiral pesticides and intensive search of novel bio-active structures.
Ames说，每一种植物，都富含100种以上的化学物质，包括“天然农药”，这是植物为了保护自己免于被取食者侵害而产生的。
Every plant, Ames said, is full of 100 or more chemicals, including "natural pesticides," which the plants make to defend themselves against predators.
她的膳食是由未受农药、盐或精制糖污染过的天然食品构成的。
Her diet consisted of natural food, uncontaminated by pesticides, salt or refined sugar.
同j . I.罗代尔、伊娃·巴尔福女士、阿尔伯特·霍华德等有机发烧友们一起，诺斯·伯纳勋爵将农田视为天然的生态系统，反对使用化学肥料和农药。
Joined by fellow organic pioneers like J.I. Rodale, Lady Eve Balfour and Albert Howard, he championed farms as natural ecosystems, and railed against chemical fertilizers and pesticides.
另一半采用有机方法耕种，按照许多有机食品机构的建议，用天然物如粪肥代替农药。
The other half were farmed organically, under conditions recommended by various organic food organisations, which meant using natural AIDS like manure instead of fertiliser.
天然除虫菊酯虽然具有理想化学农药的一些特性，但光不稳定性和昂贵的价格限制其大面积使用。
Pyrethrum possesses some ideal characteristics of environmental compatible chemical pesticide, however its photo lability and expensive price limit its broad use in the field.
综合虫害管理(简写为IPM)：即种植农作物时，少用化学农药多用天然虫害控制的管理方法。
Integrated pest management - IPM: Growing farm crops with fewer chemical pesticides and more natural pest controls.
本文主要阐述了重排反应在医药、农药、天然产物、染料等合成中的应用。
Applications of rearrangement reactions in the pharmaceutics, pesticides, natural products and dyes were reviewed in this paper.
目前，天然除虫菊素已广泛应用在农业、林业、生物农药和食品卫生安全等多个领域。
At present, natural pyrethrins have been widely used in agriculture, forestry, biological pesticides, food hygiene and safety and other fields.
本目录所称剧毒化学品是指具有非常剧烈毒性危害的化学品，包括人工合成的化学品及其混合物（含农药）和天然毒素。
The highly toxic chemicals mentioned in the Catalogue refer to those with acute toxic hazard, including the manually synthesized chemicals and their mixtures (including pesticides) and natural toxins.
天然活性成分，不含驱蚊胺及合成农药。
Natural active ingredient, free of DEET and synthetic pesticides.
不要使用农药，尝试使用天然的产品。
Stop using chemical pesticides - try to use natural products instead.
野生蔬菜长期生长在天然环境中，基本没有受到农药、化肥等的污染，加之营养丰富，因此倍受人们的青睐。
Growing in natural environment for long term, wild vegetable is very popular in people for it is not only rich in nutrition but also free of chemical fertilizer and pesticide pollution.
作为天然产物中的一类，来自动植物油脂的脂肪酸及其酯、盐等衍生物用作农药及其助剂，引起了研究人员的关注。
Using the fatty acid ester, salt and other ramification originating from plant oil and animal fat as pesticide or adjuvant has been attracted great attention.
生物源农药亦称“生物农药”或称为“生物源天然产物农药”，是指利用生物资源开发的农药。
Biogenic pesticides, also known as biological pesticides or biogenic natural product pesticides, develop from living resources.
乳清是来自无病吃草的奶牛，全年的无农药，无农药，天然草地牧草。
The whey is derived from disease-free cows that graze year-round on pesticide-free, chemical-free, natural grass pastures.
乳清是来自无病吃草的奶牛，全年的无农药，无农药，天然草地牧草。
The whey is derived from disease-free cows that graze year-round on pesticide-free, chemical-free, natural grass pastures.
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