找回密码
 To register

QQ登录

只需一步,快速开始

扫一扫,访问微社区

Titlebook: Insecticides in Agriculture and Environment; Retrospects and Pros A. S. Perry,I. Yamamoto,R. Perry Book 1998 Springer-Verlag Berlin Heidelb

[复制链接]
楼主: 戏弄
发表于 2025-3-26 22:18:19 | 显示全部楼层
A. S. Perry,I. Yamamoto,I. Ishaaya,R. Perryst books on analog filter design brieflypresent the signal processing/systems concepts, and then concentrateon a variety of filter implementation methods, the present bookreverses the emphasis, stressing signal processing concepts. Filterimplementation topics are presented in Part II: passive filter
发表于 2025-3-27 04:04:33 | 显示全部楼层
发表于 2025-3-27 07:05:39 | 显示全部楼层
发表于 2025-3-27 12:13:10 | 显示全部楼层
Function and Classification,gally classed as economic poisons and are defined as any substance used for controlling, preventing, destroying, repelling, or mitigating any pest. According to this classification, many chemicals such as attractants, repellents, chemosterilants, hormonal agents, etc., are also designated as pestici
发表于 2025-3-27 14:30:33 | 显示全部楼层
发表于 2025-3-27 21:04:14 | 显示全部楼层
Toxicology of Insecticides,o an organism is usually expressed in terms of the LD.. that is, the amount of poison per unit weight of the organism required to kill 50% of the test population. The LD. is usually expressed in milligrams per kilogram of body weight (mg/kg). Under certain conditions, the term micrograms per insect
发表于 2025-3-27 22:26:03 | 显示全部楼层
发表于 2025-3-28 03:06:27 | 显示全部楼层
发表于 2025-3-28 09:08:20 | 显示全部楼层
Evaluation of Toxicity in Higher Animals,le the process for determining LD. is identical, greater emphasis is placed on qualitative rather than quantitative aspects of poisoning. Another characteristic of toxicological tests in higher animals is that, in most cases, the overriding concern is the evaluation of safety for man.
发表于 2025-3-28 13:14:57 | 显示全部楼层
The Nervous System as Insecticide Target,he nervous system, which shows irreversible damage, more so than any other tissue in the body. Poisons which affect other organs of the body commonly produce their ultimate effect on the nervous system. For example, atropine (a heart poison) and carbon monoxide (which blocks the oxygen carrying capa
 关于派博传思  派博传思旗下网站  友情链接
派博传思介绍 公司地理位置 论文服务流程 影响因子官网 SITEMAP 大讲堂 北京大学 Oxford Uni. Harvard Uni.
发展历史沿革 期刊点评 投稿经验总结 SCIENCEGARD IMPACTFACTOR 派博系数 清华大学 Yale Uni. Stanford Uni.
|Archiver|手机版|小黑屋| 派博传思国际 ( 京公网安备110108008328) GMT+8, 2025-5-22 13:18
Copyright © 2001-2015 派博传思   京公网安备110108008328 版权所有 All rights reserved
快速回复 返回顶部 返回列表