查询词典 pesticides

Extraction and determination of organophosphorus pesticides in vegetables, orange juice and red wine by the SBSE or SPME-GC-TSD were validated.

用SBSE或SPME—GC—TSD方法革取和分析了蔬菜、橙汁和红葡萄酒中的有机磷农药残留，除杀扑磷外，其它Ops的检测下限在10ng/L以内，整个分析的标准偏差在20％以内。

Fertilizers and pesticides used in conventional farming are energy-intensive to produce . Out-of-season produce may be ripened in heated greenhouses or stored in cold storage.

传统农业使用化肥和杀虫剂，是能源密集型的农业生产方式，过季的产品可以在温室中催熟，或者储存在冰箱里。

In Chapter 6, Five kinds of different pesticides, such as simazine, atrazine, carbaryl, ametryne and prometryn were separated by CE technique and the effects of experiment parameters including pH, the concentration of surfactant and organic modifier on the separation were investigated.

采用毛细管电泳法对5种农药(西玛津、阿特拉津、扑草净、莠灭津和西维因)进行了分离研究，考察了溶液的pH值、胶束浓度和有机改性剂对分离的影响，添加阴离子表面活性剂的胶束毛细管电泳法可使各组分达到基线分离。

The mixture of six pesticides(atrazine、simetryne、simazine、dipropetryne 、aldicarb、chlorotoluran) were also determined by using HPLC/APCI CID MS method with satisfactory results.

HPLC- MS将HPLC分离热不稳定、强极性和难挥发化合物的优点与 MS的高灵敏度、高选择性相结合，在农药鉴定分析中已发挥越来越重要的作用。

Nine biological pesticides were formulated with different solvents and emulsifiers to control rice blast in paddy field, it was showed that the best control effect was 65.69% with methanol as solvent and Tween 80 as emulsifier.

选择不同的溶剂和乳化剂交叉配制成9种生物农药进行田间小区试验，结果表明：以甲醇作溶剂，吐温80作乳化剂防效最好，达65.69%。

The basic concepts of chiral source , chiral pool, chiral intermediates of pesticides, and the rotes for preparation of chiral molecular compounds from chiral pools were introduced.

介绍手性源、手性池和手性分子化合物的基本概念；由手性池化合物制备手性衍生物；比较了手性化合物生物加工与化学加工过程的优、缺点，寻求高效、经济和最合理的综合工艺流程。

The company's main product has: a base at Jiuquan in Gansu breeding Tainong Gordon series and watermelon red tomatoes series, at the breeding base in Benxi Xiangyan Pepper Series, Nanning plant fertilizer "Xiaoxiang", then plant whenlifelong passion fruit are no pesticides.

本公司的主要产品有：在甘肃酒泉基地繁育的台农西瓜系列及湘红西红柿系列、在辽宁本溪基地繁育的湘研辣椒系列，南宁厂的叶面肥&潇湘神水&，当年种植当年挂果终身不施农药的百香果。

In the environmental pollution control, as a technical means, biotechnology has high efficiency, mild reaction conditions, and other advantages, its governance and the restoration of environmental pollution has played a tremendous role for the he**y metal wastewater, petroleum wastewater, grease wastewater, pesticides wastewater, domestic sewage and provides a very effective way.

在环境污染治理中，作为一种技术手段，生物技术具有高效性，反应条件温和等优点，它对环境污染的治理和修复发挥了巨大作用，为重金属废水，石油废水，油脂废水，农药废水，以及生活污水提供了一条十分有效的途径。

To establish a rapid and sensitive method for simultaneous determination of 7 kinds of pyrethroid pesticides in vegetables.

目的 建立一种同时检测7种菊酯类农药快速灵敏的分析方法。

The results showed that control efficacy of pyrethroid pesticides to insect pests of rice was good.

试验结果表明，拟除虫菊酯农药对水稻害虫具有较好的防治效果，在参试的4种药剂中，以氯氟氰菊酯效果最佳。

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。