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The addition of 1 % Z- 11 - 16: OH to binary or trinary mixture may reduce catches,while addition of 5 % Z- 11 - 16: OH reduced catches singnificantly.

增加1%顺-11-十六碳烯醇到二元或三元混合物中减少诱量,当增加5%顺-11-十六碳醇时诱量大量减少。

While it is helpful to use preventive sod webworm control through Microbial pesticides, the problem is that many of these pesticides will not only kill the moths of sod webworms, they may also kill butterflies and even non-pest moths.

而这是有帮助的使用预防性超氧化物歧化酶webworm控制,通过微生物农药,问题是,许多这些农药,不但会杀死类的超氧化物歧化酶webworms ,它们也可能杀死蝴蝶,甚至非类害虫。

Studies on Utilizing Parasitoid Chouioia cunea Yang (Hymenoptera: Eulophidae) for Sustainable Control of Fall Webworm;2. In recent years, fall webworm that belongs to international Quarantine Pest appears widely in China, it did great harm to forest trees and brought the inconvenience for people s lifes.

通过对美国白各个发育期的天敌进行调查与研究,发现除了捕食性天敌七星瓢虫、大刀螳螂等外,幼虫期有2种寄生性天敌、蛹期有12种寄生性天敌,这为保护和利用天敌、有效控制美国白提供了依据。

Xylostella. The synergism ability with dipping method l4as more obvious than with contact and stomach method. Among the six adjuvants, copper abietate, 1427 and 412103 had 3.71, 2.82 and 2.72-fold synergism ratio, respectively.

结果表明:在400mg/L以下,各阳离子助剂单独使用对小菜3龄幼虫均无生物活性,但可明显提高阿维菌素对小菜的药效。

We examined the infection of Paecilomyces fumosoroseus via electron microscopy scan and pathogenicity of P. fumosoroseus conidia powder, conidia suspension liquid and conidia broth. Results show more conidia in acanthoid surface topography than in spinous surface topography.

采用扫描电镜观察玫烟色拟青霉分生孢子在小菜幼虫体表的萌发和侵染过程及玫烟色拟青霉孢子粉、孢子悬浮液和孢子培养液对小菜幼虫的致病力。

There are a total of 34,782 individuals belonging to 15 orders, 102 families were found in this study. And the dominant groups among them were Myriapoda、Lycosidae、Miridae、Delphacidae、Cicadellidae、Aphidoidea、Margarodidae、Geometridae、Noctuidae、Olethreutidae、Braconidae、Chrysopidae、Coccinellidae.

调查共发现节肢动物个体34782个,分属3纲、15目、102科,其中优势类群主要是多足纲、蛛形纲狼蛛科、半翅目异翅亚目的盲蝽科,同翅目的飞虱科、叶蝉科、蚜科、蚧科,鳞翅目的尺科、夜科、小卷科,膜翅目的小茧蜂科、小蜂总科,脉翅目草蛉科、鞘翅目瓢虫科。

Any of various large, mostly edible marine snails of the family Buccinidae, having a pointed, spiral shell, especially Buccinum undatum, which is commonly eaten in Europe.

螺一种螺科的体积大、多数可食用的海螺,有尖的螺旋状外壳,在欧洲被广泛食用的

The inhibitory effects of several alcohols identified from male hairpencil of cotton bollworm on conspecific male behavior responses were studied.

本文研究了棉铃虫雄味刷中几种醇类物质对同种雄行为反应的抑制效应。

According to the international methods of pest risk analysis and characteristics of urban forestry in Beijing,a quantitative risk assessment system in Beijing for the main non-indigenous pests was proposed.This system was used to analyze three non-indigenous species, Dendroctonus valens,Hyphantria cunea and Apriona swainsoni. The results show that the risk of these three species in the Beijing area is 2.46, 2.30 and 2.02, all highly risky.

该文参照国际上有害生物风险分析方法,结合北京地区城市林业特点,提出北京地区重大外来有害生物风险量化评估体系,并应用该评价体系,进行了红脂大小蠹、美国白、锈色粒肩天牛对北京地区的风险评价。3种有害生物的量化评估值分别为红脂大小蠹2.46、美国白2.30和锈色粒肩天牛2.02,因此对北京地区而言,3种昆虫皆为具高度风险的森林有害生物。

Uses giemsa's dye and microscope observe bursa copulatrix sperm of silkworm directly, artificial insemination using the sperm, the studies shows: The seminal fluid is similar in the male moth seminal vesicle and in the female bursa copulatrix after mating 20 to 30 minute, and the seminal fluid is contains large number of eupyrene sperm bundles and not be activated.

采用姬姆萨染色及显微镜下直接观察家蚕交配囊中精液,并用交配囊精液进行人工授精,研究发现:交配20~30 min雌交配囊中精液与雄储精囊中精液一样,精液未被活化,含有大量有核精子束。

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推荐网络例句

We have no common name for a mime of Sophron or Xenarchus and a Socratic Conversation; and we should still be without one even if the imitation in the two instances were in trimeters or elegiacs or some other kind of verse--though it is the way with people to tack on 'poet' to the name of a metre, and talk of elegiac-poets and epic-poets, thinking that they call them poets not by reason of the imitative nature of their work, but indiscriminately by reason of the metre they write in.

索夫农 、森那库斯和苏格拉底式的对话采用的模仿没有一个公共的名称;三音步诗、挽歌体或其他类型的诗的模仿也没有——人们把&诗人&这一名词和格律名称结合到一起,称之为挽歌体诗人或者史诗诗人,他们被称为诗人,似乎只是因为遵守格律写作,而非他们作品的模仿本质。

The relationship between communicative competence and grammar teaching should be that of the ends and the means.

交际能力和语法的关系应该是目标与途径的关系。

This is not paper type of business,it's people business,with such huge money involved.

这不是纸上谈兵式的交易,这是人与人的业务,而且涉及金额巨大。