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节肢动物

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Any of numerous wormlike carnivorous animals of the phylum Onychophora, common in tropical and temperate forest regions and having characteristics of both arthropods and annelid worms.

有爪纲节肢动物的一个纲,常见于热带或温带森林中,既有环节动物又有节肢动物的某些特点

The main factors and temporal patterns which influenced arthropod community in the course of time change divided obviously.

在时间变化过程中,影响节肢动物群落的主导因素和时间格局分化明显,将间作苜蓿棉田节肢动物群落在时间动态中的变化分为5个阶段,并结合气候、物候变化,分析了各阶段内主要害虫和天敌的发生特点。

We recorded 6844 individuals of Arthropoda from Wanwa coastal zone by sweeping net and pitfall trap, and identified as 5 classes, i.e., Arachnida, Diplopoda, Malacostraca, Chilopoda, and Insecta. The most part is Insecta (81.1%), including 15 orders and 77 families .

自2006年12月至2007年5月间,以扫网法与掉落式陷阱杯调查湾瓦之海岸防风林、湿地与草生地,采得节肢动物6844只,经分类鉴定,共有5纲15目77科,其中非昆虫节肢动物占18.9%,以蛛形纲最多;昆虫纲占81.1%,个体数以膜翅目20.8%、弹尾目19.3%、双翅目16.7%与鞘翅目11.3%较多。

Coleoptera species accounted for the greatest share in phytophagous insects, and spiders were the major natural enemies. The largest proportion of neutral insects was dipteran.

稻田节肢动物中各目、科的种类数量所占比例差异很大,在植食性昆虫中鞘翅目所占比例最大;在天敌中以蜘蛛类最多;在中性昆虫中,以双翅目比例最大;同时在物种、功能集团和营养层3个组织层次水平上分析了稻田节肢动物群落的结构和多样性。

Now,this paper introduces the actualities of crustacean and insect chitinase research,including the chitinase s properties,structure,molecular biology and its physiological function in the periodic ecdysis of arthropods.

本文介绍了节肢动物中甲壳动物和昆虫几丁质酶的产酶种类、酶学特性、酶结构、分子生物学及其几丁质酶在节肢动物蜕皮中生理作用的研究现状。

Laboratory experiments were carried out to study the survival and development of the Harmonia axyridis feeding on Chaito phorus popleti on high insect-resisitance hybrid poplar 741(Pb29) and medium insect-resisitance hybrid poplar 741(Pbl7).The API 741 poplar was used as control.The mortality and development during immature period,adult,baby mass.eclosion and sex ratio of H. axyridis were measured.The results showed that:to contrast The API 741, Chaito phorus popleti on Pbl7 and Pb29 has no significantly impacts on eclosion,pupation, ecdysis,mortality of immature period and pupa stage;Although every development stage of ladybeetles were not affected to ,the pupal duration of ladybeetles was lowered than the control;The body mass,eclosion and sex ratio have no significant difference.

通过利用节肢动物群落及各个亚群落的物种丰富度、个体数、均匀度和优势集中性对多样性指数进行通径分析,表明了高抗Pb29和CK节肢动物群落及各个亚群落多样性指数与均匀度和优势集中性的相关系数最高,与其物种个体数关系最为不密切:对各组分进行通径分析均表明的多样性提高是建立在降低优势集中性和增加均匀度指数的基础上的,而且以优势集中性的直接作用效果较为显著。

The journal covers abstracts of the world's literature on insects and other arthropods which transmit diseases or are otherwise injurious to man and to animals of significance to man, with subject on arthopods which are disease vendors, haematophagous, ectoparasitic, agents of myiasis, allergenic, associated with carrion or dung, venomous or toxic, or otherwise of public health importance, including physiology, taxonomy, ecology, genetics, molecular biology, immunology, disease transmission pest management, pesticides, entomopathogens, parasites and predators.

杂志刊载世界各地传播疾病或对于人类重要的其他对人类和动物有害的疾病的昆虫和节肢动物方面文献的摘要,主题涉及传播疾病的,吸血的,外寄生的,蝇蛆病的媒介,引起过敏的,以及腐肉,粪便,有毒的节肢动物,或其他的与公共卫生有重要关系的方面内容,包括生理学,分类学,生态学,遗传学,分子生物学,免疫学,疾病传播昆虫的管理,杀虫剂,昆虫病原微生物,寄生虫和食肉动物。

Collembola, Protura and Diplura are not only important groups of the soil animal biodiversity, but also one of the key groups in studying the evolution arthropod, because their phylogenetic position are critical to the understanding of the evloution of insect orders.

跳虫、原尾虫和双尾虫不仅是土壤动物多样性研究的重要类群,又是节肢动物低等类群向陆生有翅昆虫演化的中间环节,是节肢动物进化研究中的关键类群之一。

The influencing effects of grain production systems on the population of second generation of cotton bollworm in cotton were studied. The multi-harvest system provided cotton a good protection against cotton bollworm due to the corn plants in this system strongly attracted cotton bollworm adults when they were ovipositing, therefore reduced the density of cotton bollworm in cotton, compared with ton-grain system..

转Bt基因抗虫棉对棉田节肢动物多样性的影响用吸虫器取样和捕虫网取样两种方法,研究了转基因抗虫棉和化学防治对棉田节肢动物多样性的影响,发现转Bt基因棉棉田与非转基因常规棉棉田棉花害虫、自然天敌和中性节肢动物亚群落没有显著差异,而化学防治可以使各亚群落的个体数量、物种数量、多样性指数发生剧烈变化。

On nutrition strcture in arthropod community,function groups on every nutrition level were similar between Pb29 and CK,but in Pb29 leaf-eating pest on bascal species largely decreased,the rate of intermediate species increase ,top species have no obviously changing.

节肢动物群落的营养结构中,高抗Pb29和CK节肢动物群落各营养层功能团组成类似,但高抗Pb29节肢动物群落中基位物种食叶害虫大量减少,中位物种所占比例增加,项位物种没有明显变化。

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I'm strongly against the death penalty — it's an eye for an eye.

我不赞成死刑——这是以牙还牙的报复行为。

And to get you the support you need, we're enlisting all elements of our national power: our diplomacy and development, our economic might and our moral suasion, so that you and the rest of our military do not bear the burden of our security alone.

并给你们所须的支援,我们正徵召国家所有各种的力量:我们的外交及发展,我们的经济力量与道德劝说,所以你们与其他军人不须要孤独地负起国家安全的责任。

Imagine yourself to be an actor in a play on the stage.

设想你自己是一个演员在舞台上表演。