查询词典 pesticide

Scanning electron microscopy was used to investigate the palpi and tarsi of Coccinella septempunctata to identify the principal chemosensory organs likely to be responsible for pesticide residue detection.

应用扫描电镜观察七星瓢虫Coccinella septempunctata的唇须和附节，以便确认在感应农药残留时起主要作用的化学感受器。

A novel method for the determination of 5 pyrethroid pesticide residues in tobacco leaf and tea samples was established.

应用搅拌棒吸附萃取技术分别萃取烟叶和茶叶中的5种拟除虫菊酯，并利用热脱附系统将萃取到的物质进行热脱附，然后通过气相色谱-质谱联用仪进行分析测定。

The theory and methods of time series analysis, in this paper, were used to develop the quantitative predicting models for pesticide reminds. The estimation of parameters were given out.

作者用时间序列分析的理论与方法，研制农药残留定量预测模型，给出参数估计，提出非平稳时序叠合模型，对农药降解规律进行动态模拟，并以剩余平方和作为优化标准与其他方法进行比较。

Applications of thionyl chloride in pharmaceutical and pesticide sectors and application developments in organic synthesis reaction and ring formation reaction are introduced.

氯化亚砜又名亚硫酰二氯、氯氧化硫，是一种重要的无机精细化工产品，在医药、农药、染料、化工等行业及有机合成反应中具有广泛的应用。

The ramification is a kind of fine chemical product with higher added value which is used to solvent, medicine, toiletry, pesticide, engineering plastic and so on.

项目内容：1，4-丁二醇是一种重要的基本有机化工和精细化工原料，其用途广泛，它的衍生物更是附加值高的精细化工产品，广泛用作溶剂、医药、化妆品、农药、工程塑料等。1，4-丁二醇为市场短缺产品，现有生产能力远远不能满足国内市场需求。

It has a long history in toxicological research, especially in nereistoxin pesticide and tetramine.

对毒理学的研究具有久远的历史，尤其是对沙蚕毒素农药和毒鼠强的研究在国内有很大的影响。

We Investigated the species of diseases and insect pests, species of natural enemies, distribution and dominant species in export vegetable bases in Shandong Province. Dynamics of main diseases and insect pests were studied.2. We investigated the main control technologies for diseases and insect pests, types and application methods of pesticides.3. Effects of crop varieties, fertilities and cultivation on diseases and insect pests, production and pesticide residues were examined.4. Control effects and application technologies of frequency trembler grid lamps, greenhouse ozone machine and insect-proof net were tested.5. By research, seven biological preparations and twelve chemical pesticides with high activity, low toxicity and low residue were screened.

主要结果如下：1查清了山东省出口蔬菜基地蔬菜病虫害发生种类，天敌种类、分布、并评价上风种；探明了主要病虫发生消长规律。2查清了山东省出口蔬菜基地目前病虫害防治的主要应用技术、施药种类及主要施药方式。3明确了作物品种、肥力、栽培方式等农业措施对病虫发生、产量和农残的影响。4明确了频振式杀虫灯、温室病害臭氧防治机、防虫网等物理措施防治效果及其应用技术。5通过实验，筛选出7种生物制剂和12种安全有效低毒低残留化学农药品种。

Melamine is also a metabolite of cyromazine, a triazine pesticide commonly used in vegetable and chicken farms.

三聚氰胺同时是环丙胺嗪（一种广泛应用于蔬菜和养鸡产业的三嗪类杀虫剂）的代谢产物。

Organochlorine and triazole pesticide residues were stabile in processing of farm produce.

有机氯类、有机唑类农药较为稳定，加工操作很难得到较好的去除效果。

A team of researchers, from the University of Newcastle upon Tyne in England and Denmark, found the natural pesticide falcarinol reduced the risk of cancer.

英国和丹麦的科学家日前发现，胡萝卜中含有的某种成分可以减少患癌症的危险。

Do you know, i need you to come back

你知道吗，我需要你回来

Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书，王祥生，李德昌。安徽省首次发现嗜群血蜱。