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nematode larva
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  线虫幼虫
     The negative rates for protostrongylus nematode larva were 90% and 100%,respectively,while their decreasing rates were 94.5% and 100%,respectively.
     原圆科线虫幼虫转阴率分别为90.0%和100%,减少率分别为94.5%和100%;
短句来源
     Stool specimens of 21102 persons from 11 counties were examined by iodine staining method, modified Kato-Katz thick smear method and nematode larva culture method. Among the people examined 15141 were positive, the infection rate being 71.8%, of which multiple infection accounted for 61.5%. A large proportion of infected population were of low and moderate intensity.
     采用碘液直接涂片法,改良加藤氏厚涂片法,线虫幼虫培养法,对11个县21102人进行人体寄生虫分布调查,感染寄生虫者15141人,总感染率为71.8%,多重感染占51.5%,感染者中绝大部分为轻、中度感染者。
短句来源
     Treated directly with soak solution which was diluted by 5 times, plantparasitic nematodes and rootknot nematode larva were killed within 4~5 days.
     用1∶4浓度浸渍液直接处理多种植物线虫成虫和根结线虫幼虫,4~5d可致死亡.
短句来源
  “nematode larva”译为未确定词的双语例句
     Study on Dynamic of Fish-parasitic Nematode Larva in Taiw an Strait
     台湾海峡鱼类寄生针晶蛔和对盲囊线虫幼虫的动态
短句来源
     A Study on the Infection State of Parasitic Nematode larva of Marian fishes from Taiwan Strait
     台湾海峡经济鱼类感染寄生线虫幼虫的调查
短句来源
     driving out nematode larva of predominant developmentblocked type and helminth timely in winter can effectively prevent high tide appearance of adult worm in spring.
     冬季适时驱杀占优势的线虫受阻型幼虫和其它蠕虫,能够有效地预防春季成虫高潮的出现;
短句来源
  相似匹配句对
     and nematode killed by B.t.
     种类、B.t.
短句来源
     ②nematode;
     ②病原线虫 ;
短句来源
     Study on Dynamic of Fish-parasitic Nematode Larva in Taiw an Strait
     台湾海峡鱼类寄生针晶蛔和对盲囊线虫幼虫的动态
短句来源
     A Study on the Infection State of Parasitic Nematode larva of Marian fishes from Taiwan Strait
     台湾海峡经济鱼类感染寄生线虫幼虫的调查
短句来源
     The larva has 5 instars.
     幼虫有五龄。
短句来源
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  nematode larva
He identified a nematode larva of unknown species within a retinal granuloma of a child.
      


Stool specimens of 21102 persons from 11 counties were examined by iodine staining method, modified Kato-Katz thick smear method and nematode larva culture method. Among the people examined 15141 were positive, the infection rate being 71.8%, of which multiple infection accounted for 61.5%. A large proportion of infected population were of low and moderate intensity. During the investigation, 18 species of human parasites were identified. The importance of control of parasitic diseases is stressed.

采用碘液直接涂片法,改良加藤氏厚涂片法,线虫幼虫培养法,对11个县21102人进行人体寄生虫分布调查,感染寄生虫者15141人,总感染率为71.8%,多重感染占51.5%,感染者中绝大部分为轻、中度感染者。共查到18种寄生虫。说明开展其他寄生虫病的防治工作十分必要。

In eastern Qinghai-Tibet Plateau,by investigating parasitic harmfulness to yak feeding industry in grassland,pathogenic classification,epidemiology and control,we have known that certain parasitoses were the important cause of leading to spring weak/death of young yaks. Of 85 known parasites in the Qinghai yak,there were 17-22 dominant species. By synchronous studies on natural growth and decline laws of nematode parasitic stage larva and adult,the results showed that winter larva parasitic high tide was the...

In eastern Qinghai-Tibet Plateau,by investigating parasitic harmfulness to yak feeding industry in grassland,pathogenic classification,epidemiology and control,we have known that certain parasitoses were the important cause of leading to spring weak/death of young yaks. Of 85 known parasites in the Qinghai yak,there were 17-22 dominant species. By synchronous studies on natural growth and decline laws of nematode parasitic stage larva and adult,the results showed that winter larva parasitic high tide was the origin of coming spring adult parasitic high tide;spring adult parasitic high tide is closely related to yak spring weak/death; driving out nematode larva of predominant developmentblocked type and helminth timely in winter can effectively prevent high tide appearance of adult worm in spring. Orally giving young yak albendazole(10-20mg/kg) in January or February, tested through over 100000 yaks, can lower spring weak/death rate 71.6%-93.3%,the average increased or less-reduced weight per yak was 2.3-5.05kg. These results coincide with our studies on sheep nematodes. Therefore we have expounded the important theory,i. e. why spring high tide of parasism would present. The winter control method based on our studies is handy and easily put into effect,and has remarkable economic and social benefits.

在青藏高原东部地区,通过调查寄生虫病对草原牦牛饲养业的危害,病原分类,流行规律及防治对策等一系列研究,探明寄生虫病是引起幼年牦牛春乏死亡的重要原因;在已查明青海牦牛的85种寄生虫中,优势虫种有17~22种。对线虫寄生阶段幼虫和成虫自然消长规律同步研究结果证明,冬季的幼虫寄生高潮是形成春季成虫高潮的主要来源;春季成虫高潮与牦牛春乏死亡密切相关;冬季适时驱杀占优势的线虫受阻型幼虫和其它蠕虫,能够有效地预防春季成虫高潮的出现;1~2月应用丙硫咪唑按10~20mg/kg体重剂量,对幼年牦牛进行一次口服投药驱虫,经对10万余头牛示范推广应用观察,可使春乏死亡率下降幅度达71.6%~93.3%,每头牛平均多增或少减活重2.3~5.05kg。本项研究与笔者等对羊线虫的研究结果吻合,从而阐明了寄生虫病春季高潮来由这一重大理论问题。在此基础上研究成功的冬季驱虫防治措施,方法简便易行,经济效益、社会效益显著。坚持推广该项技术,将为草原畜牧业生产带来可观的效益。

From 1989 to 1991, the field trials with the mermithid nematode romanomermis yunanensis for control the culex thieri were performed in thirty two streams and five ponds in Kunming. The infective rates of Culex thieri were 53.7 to 92.8 per cent in the clean stream or pond water at the density varying from 2000 to 4000 nematode larvae released per square meter of water surface, but in dirty water,the infective rate was only thirty per cent.

1989—1990年在昆明市郊32条水沟及5个水坑内释放豫南罗索线虫寄生前期幼虫2000—4000条/m~2。结果在水质较清洁的水体中纹腿库蚊幼虫的感染率为53.7—92.8%,但在水质混浊或表面形成膜状物的水体中效果较差,蚊幼虫感染率仅为30%左右。

 
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