查询词典 Chironomus

T he main components of benthos are Chironomus and O ligochaeta groups.

物种组成上水生昆虫的摇蚊幼虫和寡毛类的水丝蚓为主要类群。

Including 24h-LC_(50)and 48 h-LC_(50)、 the BCF and the teratogenesis in the mentum and mandibles of Chironomus plumosus Larva were observed.

主要包括24h-LC_(50)和48h-LC_(50)的测定、浓缩系数的测定和它们对羽摇蚊幼虫口器的致畸作用等内容。

The 24h-LC50and 7d-KBCF of triphenytin to Chironomus plumosus larve,Galba pervia and Tubifex tubifex were studied.

研究了三苯基锡对羽摇蚊幼虫、小锥实螺、颤蚓的24 h-LC50和浓缩系数。

The 24 h-LC50 of triphenytin to Chironomus plumosus larve,Galba pervia and Tubifex tubifex were 278.7,249.1,287.8 μg·L-1,respectively.The 7 d-KBCF of Chironomus plumosus larve to TPT at 5 and 10 μg·L-1 was 60.4,70.5,respectively.

结果表明，三苯基锡对羽摇蚊幼虫、小锥实螺、颤蚓的24 h-LC50分别为278.7、249.1、287.8μg.L-1；羽摇蚊幼虫在5、10μg.L-1TPT时的7 d-KBCF分别为60.4、70.5；小锥实螺在10、20μg.L-1TPT时的7 d-KBCF分别为2 648、1 377；颤蚓在10、20μg.L-1TPT时的7 d-KBCF分别为41.7、48.7。

This paper studied the toxicity effect of Ni、 Hg and PCP on Chironomus Larva.

本文研究了镍、汞和五氯酚对摇蚊幼虫的毒性作用。

The Chironomus Larva Pollution has become a problem in municipal water system.

城市供水系统中摇蚊幼虫污染已经成为不可忽视的问题。

Besides these a classification based onthemorphological and molecular biological characters of Chironomus species were carried on in Shenzhen,south of China. All of these studies have laid a basic foundation for the IPM of Chironomus Kiiensis.

并针对深圳地区摇蚊种类的多样性和形态相似性，利用分子生物学方法对摇蚊种类进行了初步分类。

The total DNA was extracted from four different species of Chironomus and used as template to amplify the 18s rRNA ITS1 by PCR and then the 18s rRNA was analyszed by enzyme. The method and condition of molecular classification of Chironomus was summzrized.

尝试了对摇蚊分子分类的研究，通过对4个不同种类摇蚊的DNA提取、PCR扩增和酶切分析，总结出摇蚊分子分类的条件和方法。

So in order to deal with the problem, both the living habit and distribution of Chironomus larva in the water treatment system and the methods in removing Chironomus larva at present were introduced in this article. Meanwhile, the relationship between its physiological characteristic and environmental factors was demonstrated. Also the research status、advantage and limitation of different methods in the remove of Chironomus larva were analyzed systematically and some scientific tendencies were prospected. It was suggested that enhancing the management to the raw water and optimizing the drinking water treatment processes were the feasible ways to effectively control the pollution.

本文首先介绍了摇蚊幼虫的生活习性及其在水处理工艺中的分布规律，然后对其生理特性与环境因子之间的关系进行了论述；并就近年来采用物理法、化学法和生物法防治水处理工艺中摇蚊幼虫污染的研究进展、现状和局限性进行了较为系统的分析，展望了摇蚊幼虫污染防治技术的研究前景，指出目前控制饮用水中摇蚊幼虫污染必须将水源水质水控制、污染治理与净水工艺处理结合起来，优化水处理工艺和强化水源水体保护是根本保障。

The optimum rearing room of Chironomus should be no less than 3M3, the population density should be no more than 3000 heads/ M3, the velocity of the running water should be 100ml/min; the temperature should be 27 ℃, the relative humidity should be over to 85%,the illumination time was 16h.and the artifical diets should be used .2. The repelling effects Chironomus were compared by three kinds of lamplights.

花翅摇蚊的最佳饲养条件为饲养空间不小于3M~3，虫口密度不大于3000头/M~3，流水饲养，流速为100ml/分钟；温度控制在27℃，相对湿度控制在85%以上，光照时间为16小时；人工投加饲料。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。