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昆虫

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The company is mainly engaged in the research, development, production and marketing of carbamido chemicals. The working mechanism of the chemicals is to prevent insects from exuviations in a normal state so as to kill them.

其杀虫机理是抑制昆虫体内几丁质合成,使昆虫不能正常蜕皮而死亡,达到综合防治的目的,残效期长,无残留,使用安全。

The percentages of insect fragment occurrence of various body parts were: antenna, 34.5%; mandible, 8.8%; legs, 43.4%; wings, 5.3%; cerci, 1.8%; and ovipositors, 0.9%.

昆虫碎片经鉴定分析后,各目昆虫碎片样品前三目之百分比分别为,直翅目47.8%、鞘翅目21.7%、革翅目15.2%。

Any of various minute wasp s of the superfamily Chalcidoidea,many of whose larvae parasitize the larvae of other insects.

小蜂小蜂总科的一种体态微小的蜂虫,许多此类昆虫的幼虫寄生于其他昆虫的幼虫内

Any of various minute wasps of the superfamily Chalcidoidea, many of whose larvae parasitize the larvae of other insects.

小蜂小蜂总科的一种体态微小的蜂虫,许多此类昆虫的幼虫寄生于其他昆虫的幼虫内

Any of various gnatlike flies of the family Chironomidae, found worldwide and frequently occurring in swarms near ponds and lakes.

双翅目小昆虫一种双翅科中咬人的小昆虫,遍布于世界各地,通常在水塘和湖泊附近成群出现

Any of various gnatlike flies of the family Chironomidae,found worldwide and frequently occurring in swarm s near ponds and lakes.

双翅目小昆虫一种双翅科中咬人的小昆虫,遍布于世界各地,通常在水塘和湖泊附近成群出现

The aim is to infer the phylogenetic relationships of Galerucella and outgroup Phaedon brassicae Baly beetle species (Coleoptera: Chrysomelidae) and to discuss the relation between the evolution of Galerucella and host plant.

本文目的是通过对小萤叶甲属部分种类的线粒体COⅠ基因进行比较,探讨小萤叶甲属昆虫进化与寄主植物之间的关系,同时对几种分类地位模糊的昆虫进行分析和归类。

Research is carried out in the following key areas: antibiotic resistance in bacteria, clostridial genetics, dendritic cells and their function, environmental microbiology and bioremediation, insect viruses and the biological control of insect pests, mycobacterial diseases of animals, microbial genomics, vaccine development delivery systems, viruses and viral vaccines etc.

该系开展下列关键领域的研究工作:细菌的抗生素抗性;梭菌遗传学,树突细胞及其功能,环境微生物学与生物纠正,昆虫病毒与有害昆虫的生物控制,动物的分枝杆菌疾病,微生物基因组学,疫苗开发运送系统,病毒与病毒疫苗等。

The results of the analysis to complete 18S rDNA and partial 28S rDNA D 6-7 domain sequences of 30 collembolan species supported the monophyly of Poduromorpha and Symphypleona, Entomobryoidea is not a monophyly, familia Neelidae should be separated from Symphypleona. The situation about the superfamilia of Tomoceroidea and the familia Neelidae need further studies. The results of the further analysis to complete 18S rDNA and nearlly completely 28S sequences of 4 Protura, 6Collembola, 5 Diplura, 5 Insecta, 10 Crustacean, using 1 Myriapoda and 1 Chelicerata as outgroups indicated that Protura, Collembola and Diplura are monophy, respectively, Protura and Diplura have the nearest realationship, they make sister groups with Collembola and all of them assemble with Insecta to make a monophy cluster of Hexapod; The results support the monophy of Pancrusracea, Crustacean is not a monophy cluster and the realationships between them with Hexapod need further reseachers.

对我国的14科27属30种跳虫的18S rDNA全序列和28S rDNA部分序列(D6-D7)的基因信息数据进行分析,结果支持原目、愈腹目的单系性,长角目不形成单系群,支持短角科从愈腹目中分出,但鳞总科和短角目的分类地位有待于深入分析探讨;进一步比对4种原尾虫、6种跳虫、5种双尾虫、5种昆虫和10种甲壳动物的18S rDNA全序列和28S rDNA全序列,以1种多足动物和1种螯肢动物为外群,进行系统关系分析,结果显示:原尾纲、弹尾纲、双尾纲分别为单系群,原尾纲和双尾纲优先聚为一支,然后和弹尾纲构成姐妹群,以上三类又和昆虫聚为一支,支持六足动物的单系性,支持泛甲壳动物,但甲壳动物并未形成单系,其各类群和六足动物之间的亲缘关系尚须进一步确定。3。

The effect of Coriaria lactone on amino acid nerve transmission substance: Coriaria lactone is a kind of nerve toxicant can made amino acid nerve transmission substance content of insect change and the content of GABA increase obviously, the content of Glu change little or decrease slightly.

马桑毒素对昆虫氨基酸神经递质的影响:马桑毒素是一种神经毒剂,作用于昆虫引起体内的氨基酸神经递质含量发生变化,其中GABA含量明显升高,GLU含量变化不大稍有下降,并且马桑毒素侵入虫体后,试虫具有兴奋-吐出中肠液-瘫软-昏迷-死亡的症状,表明马桑毒素是试虫的神经传导中GABA的特殊拮抗剂。

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On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面,更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值,分为几个相等的区间作为横轴,并将各区间内所测定值依所出现的次数累积而成的面积,用柱子排起来的图形,也叫做柱状图。

You rap, you know we are not so good at rapping, huh?

你唱吧,你也知道我们并不那么擅长说唱,对吧?