This research provided clues for further separating and purifying the active components for killing rates, and provided basis for developing castor-oil plant as plant rodenticide.

結(jié)論］該研究為進(jìn)一步分離和提純殺鼠活性成分提供了線索国内精品自产拍在线观看999，也為開發(fā)蓖麻作為植物源滅鼠劑提供了依據(jù)十八美女禁黄网站。

Chemical control resulted in the increase to the density of those rodents with larger size and stronger endurance to the rodenticide.

結(jié)論滅鼠會(huì)使耐藥力較強(qiáng)、體大競爭力強(qiáng)的害鼠數(shù)量上升欧美一级被操黄色网站，防制的主要對(duì)象增加免费看黄片的网站。

And adopt different methods and frequencies for throwing in rodenticides, environmental control, and other comprehensive control measures in accordance with the rat density in different sites and the difficulty of rodenticide destroying after throwing in.

用觀察法和粉跡法摸清鼠類在醫(yī)院棲息的最佳場所，根據(jù)不同場所鼠密度的高低及投藥后鼠藥被破壞的難易程度有没有黄片免费视频2019，采取不同的投藥方法亚洲欧美精品综合一区、投藥次數(shù)及環(huán)境治理綜合防制措施。

This paper studied chemical methods for detecting rodenticides in milk, and developed quick methods to determine rodenticide, includingα-Naphthylthiourea , Diphacinone.

本文以牛乳基質(zhì)為研究對(duì)象曰本一级大黄，建立起了針對(duì)敵鼠鈉鹽和安妥這兩種殺鼠劑的化學(xué)快速檢測方法国产变态一级A片，以便監(jiān)控食品安全。