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pest相关的网络例句
与 pest 相关的网络例句 [注:此内容来源于网络,仅供参考]

It was suggested that the capacities of parthenogenesis and apogamy of rice were used to obtain stable lines in early hybrid generations.And several characteristics such as apomixis,cleistogamy,superior genes of qualities and resistance to disease and pest were combined and were used to search a new pathway of selecting high yield,superior quality and heteroresistance to diseases and pest,and lead to realize the purpose of fixing heterosis by apomixis.

利用水稻的孤雌生殖和无配子生殖能力,获得早世代稳定品系,建立快速育种方法,把无融合生殖特性与闭颖授粉、优质、抗性等特性结合探索高产优质多抗育种新途径,逐步实现利用无融合生殖固定杂种优势的目的。2。

There are a lot of researches show that essential have the control effect on agriculture pest, but there have not been reported the biological activity of bitter almond oil on pest.

大量的研究表明植物精油对农业害虫有不同程度的防治效果,但苦杏仁精油对害虫的生物活性研究在国内外均未见报道。

The corn borer is the focus of the pest forecasting and the pest manage.

玉米是我国主要的粮食作物之一,同时又是主要的饲料作物。

For the characteristics of Tea Pest domain knowledge, we use a method which combines a classification method based on the biology with a complete axiom system. Tea Pest domain ontology which is built in this method can not only reveal the clear hierarchy structure of knowledge, but also have a well application in the retrieval and reasoning of diagnosis system.

针对茶虫害领域知识的特点,本文采用生物分类法与完整的公理系统相结合的方法,清晰的体现了茶虫害领域知识的层次结构,并且有利于本体在诊断系统中的检索、推理等应用。

Also disclosed are methods for controlling an invertebrate pest comprising contacting the invertebrate pest or its environment with a biologically effective amount of a compound of Formula I, an N-oxide thereof or a suitable salt of the compound (e.g., as a composition described herein).

还公开了一种防治无脊椎害虫的方法,该方法包括使无脊椎害虫或其环境与生物有效量的式I的化合物、其N-氧化物或该化合物的适当盐(例如,作为在此所述的组合物)接触。

Electroantennogram responses to several chemical volatiles of soybean plant were investigated for the following four species of insects: 1 Aphis craccivora Koch and Macrosiphum avenae; 2 Lysiphlebus fabarum Marshall, the common nature enemy of Aphis glycines Matsumura which is the pest insect of soybean plant, and of A.craccivora which is not the pest insect of soybean plant; 3 Aphidius picipes Nees, the nature enemy of M.avenae which is not the pest insect of soybean plant.

研究了下列害虫和寄生天敌种类对大豆植株中提取的某些挥发性次生化合物及其不同组合混合相的触角电位反应: 1豆蚜Aphis craccivora Koch和麦长管蚜Macrosiphum avenae;2为害大豆植株的大豆蚜Aphis glycines Matsumura和不为害大豆植株的豆蚜二者所共有的寄生天敌豆柄瘤蚜茧蜂Lysiphlebus fabarum Marshall; 3不为害大豆植株的麦长管蚜的寄生天敌燕麦蚜茧蜂Aphidius picipes Nees。

Result 10 308 insects were identified, belonging to 9 orders, 43 families, 68 species of Insecta and I families, 1 species of Arachnida. The result revealed that the individuals of the pest sub-community were more than that of the natural enemies sub-community, the dominant concentration and dominance of the pest sub-community were the biggest, diversity index of the natural enemies sub-community was more than that of the pest sub-community.

结果]共调查昆虫10 308头,分属于昆虫纲9个目、43科6、8种以及蛛形纲1科、1种;野生植物害虫亚群落的物种个体数多于天敌亚群落的个体数,害虫亚群落的优势集中性和优势度最大,天敌亚群落的多样性指数大于害虫亚群落。

This thesis introduces the domestic and international research development on techniques of preventing against and killing archives pests briefly at first, on the basis of advantages and disadvantages of chemical 、 physical、 biological pest-killing techniques and practice of realistic archives preservation,determines to research lethiferous effectiveness of high temperature pest-killing technique、 low temperature pest-killing technique、 microwave pest-killing technique and high pressure nitrogen suffocation pest-killing technique,and affect on durability of making materials of paper archives systemically.

本论文首先简要介绍了国内外档案害虫防治技术研究进展,在分析化学防治法、物理防治法和生物防治法的优缺点及现实档案保管工作实践的基础上,确立系统研究高温杀虫法、低温杀虫法、微波杀虫法、高压充氮杀虫法的杀虫效力及对纸质档案制成材料耐久性的影响。

This thesis analysis lethiferous effectiveness of high temperature pest-killing technique、 low temperature pest-killing technique、 microwave pest-killing technique and high pressure nitrogen suffocation pest-killing technique, and affect on tensile strength、 wearproof strength、 whiteness of copypaper、 writing paper、 rice paper and newsprint, affect on colour difference of red 、 blue 、 blue-black ink colored writing, and black ink 、 laser printing 、 xerox,、 gushing typing black writing caused by four physical pest-killing techniques above-mentioned.

本论文系统分析了高温杀虫法、低温杀虫法、微波杀虫法和高压充氮杀虫法的杀虫效力,并在档案保护技术学领域较系统地探讨了四种物理法杀虫处理对复印纸、书写纸、宣纸、新闻纸的抗张强度、耐破度、白度的影响,以及对红、蓝、蓝黑墨水彩色字迹,黑墨水、激光打印、静电复印、喷墨打印黑色字迹色差的影响。

Along with our country having entered WTO and the world economic quickly inosculating as a whole,our country will faces more and more pressure of the alien pest invading.According to the related international standards and protocols, joining together the invading state of alien pest in our country,we should establish the related alien pest risk method standards and construct an effective risk management measure system to keep the alien pest from invading, it has the important meaning to protect the local agriculture,forestry ,fishing,and environment from destroying,also it has the important meaning to build the stable society.

随着我国加入WTO和全球经济一体化进程的加快,我国面临外来有害生物入侵的风险也越来越大,如何根据相关国际标准和协议,结合我国的国情,研究相关的外来有害生物风险分析方法,建立良好的风险管理措施体系,防止外来有害生物的入侵,保护国内农林渔业生产的安全、生态环境的安全、维护社会稳定构筑和谐社会具有重要的意义。

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Plunder melds and run with this jewel!

掠夺melds和运行与此宝石!

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻,也许正是在通往天国的路上,我体验着这白色的晕旋。

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单击"保存"会将文件保存到主持人的硬盘或服务器上,而不是您自己的计算机上。