除草剂

The herbicide have been introduced in rice cultivation systems to control weeds, particularly the major grass weed in rice the barnyardgrass for ten years more.

二氯喹啉酸是一种新型选择性激素类除草剂，主要用来防除稻田杂草，尤其对稗草有极高活性，已连续广泛使用十几年。

Other horticultural applications for perlite are as a carrier for fertilizer, herbicides and pesticides and for pelletizing seed.

其他园艺应用珍珠岩为载体的肥料，除草剂和杀虫剂和造粒种子。

Meanwhile the drunken crop duster gets out of his plane covered in the dust and pretty soon his wife falls victim to the chemical as well.

两名联邦特工在美国某森林里发现了一个非法大麻种植营地，于是请求上级用有毒化学除草剂清除毒品。

" Agrochemical: Any chemical used in agriculture, including chemical fertilizers, herbicides, and insecticides."

农用化学品：用于农业的任何化学品，包括化学肥料、除草剂、杀虫剂。

A method used to simutaniously analyze the residues of herbicides 2, 4-dichlorophenoxyacetic acid (2,4-D), 2-(2,4-dichiorophenoxy) propanoic acid (2,4-DP) and 2,4-dichiorophenoxybutyric acid (2,4-DB) in garlic was developed in our study.

本研究建立了一种应用基质固相分散－高效液相色谱法，同时测定大蒜中2，4-二氯苯氧乙酸、2，4-二氯苯氧丙酸及2，4-二氯苯氧丁酸等3种2，4-D类除草剂残留的方法。

Key Words: Zero-tillage, Wheat stubble, Micrometeorology, herbicide spray, distribution, uniformity, deposition, dosage response

免耕麦茬田的主要杂草为狗尾草的情况下，应根据杂草的控制情况，选择合适的除草剂剂量和喷洒喷头。

BACKGROUND AND OBJECTIVE: Paraquat is widely used as a universal herbicide and the frequent toxicity that causes human death.

背景和目的：百草枯是广泛使用的除草剂，也是人类常见致命性的急性中毒源。

Red sun of the Group of paraquat, the herbicide, and other chlorpyrifos products as raw materials need to pyridine.

的红太阳集团的百草枯，除草剂，毒死蜱等为原料的产品需要吡啶。

The effects of isopropanol concentration in the mobile phase on the retention and resolution were investigated.

用正相高效液相色谱法在该固定相上首次直接拆分了触杀型苗后除草剂氯氟草醚乙酯对映体。

Old cheap weedkillers have been banned and seed prices have gone up.

之前所使用便宜的除草剂已被禁用而且种子的价格也上扬。

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