The utility model relates to insect prevention device, especially a window screen with insect prevention function.
本实用新型涉及昆虫防护作用装置，特别是一种具有昆虫防护作用的纱窗。
With orthogonal design method, the prevention experiment was done by using the mixture combining 40% oxidizing dimethoate and 20% insect killing oil slick.
应用正交设计方法，采用40%氧化乐果加打蚧20%浮油制成混合剂进行防治试验。
This paper introduces the morphological characters and biological characters of the wax insect, and expounds the control features and prevention methods of the wax insect.
介绍了白蜡蚧的形态特征和生物学特征，阐述了白蜡蚧的防治特点和防治方法。
This article discussed some problems in the forestry pest management, and made profound discussion on the prevention of some insect damages in forestry management.
本文通过讨论病虫害在林业管理中的一些理由，对于林业管理中的一些病虫害的防治进行深刻的探讨。
This paper introduces some kinds of production techniques for insect disease prevention of nuisanceless vegetables.
文章介绍了无公害蔬菜防治病虫害的几种生产技术。
The paper discussed Present situation and characteristics of insect pest in highway virescence, and put forward a prevention measurement.
本文对公路绿化虫害防治现状、发生特点及防治基本策略进行了初步的探讨。
Use the trap insect pests prevention and control should be combined with chemical control.
利用诱捕器防治害虫应与化学防治相结合。
Dedicated to the insect pheromone research and development and the crops of the prevention and control of business.
致力于昆虫信息素的研发和农作物的绿色防控事业。
This paper introduces the kinds of azalea and its distribution in our country, breeding technique, planting and management, and prevention and control methods of insect pests.
介绍了名贵观赏花卉杜鹃花的种类和在我国的分布及其繁育技术、栽培管理和病虫害防治的方法。
Huge amounts of Labour power as well as material and financial resources shall be consumed in weeding and insect pests prevention.
消耗大量的人力、物力、财力用于除草和防治病虫害。
Abstract: : For some insect damages which cause serious disasters, it is necessary to conduct strict prevention and management.
摘要：对于一些引起比较严重灾害的虫害，一定要进行严格的病虫害预防和管理。
The system will greatly improve the prevention of cotton diseases and insect pest.
此系统的建立将对我国棉花病虫害防治具有现实性的意义。
This paper introduces the application of biotechnology in agricultural field, and also new scientific achievements in crops, poultry and livestock breeding, and prevention against insect pests.
本文介绍了生物技术在农业各个领域里的应用情况，介绍了植物育种、家畜育种、农作物防治病虫害等方面的科研新成果。
Breeding of insect resistant cotton with gene engineering is one of the popular field of cotton biotechnology that bring hope for the prevention and control of cotton pests.
抗虫转基因棉花的培育是近年来棉花生物技术研究的热点，它为棉杜虫害的防治展示了希望。
According to analysis of the reason, condition and character of forest disease and insect pest in Pingxiang City, the author put forward effective prevention and control countermeasures.
针对萍乡森林病虫害发生情况、特点及成因分析，提出有效控制防治对策。
The detection of insects is always investigated for stored grain. The correct insect species identification provides the necessary basis for insects prevention and control.
储粮害虫的检测一直以来都是粮食储藏行业研究的一个热点，害虫种类的正确识别是粮食管理人员进行害虫防治的必要依据。
Nowadays forest diseases and insect pests are serious in our country and the pesticide application is inefficient as the main prevention and control means.
目前我国森林病虫害形势严峻，而其主要的防治手段――化学防治效果是相当低下的。
In this paper, the Compositive Prevention of Insect Pest in Soybean Field in Heilongjiang Province in 2004 is brought forward.
据此，提出了相应的大豆虫害综合防治措施。
In this paper, the Compositive Prevention of Insect Pest in Soybean Field in Heilongjiang Province in 2004 is brought forward.
据此，提出了相应的大豆虫害综合防治措施。
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