daphnia 中文意思是什麼

daphnia 解釋
水蚤屬
  1. Standard methods for bioassay of daphnia magna straus

    大型水蚤測試標準方法
  2. Water quality - determination of long term toxicity of substances to daphnia magna straus cladocera, crustacea

    水質.對鮭魚的長期毒性的測定
  3. Two kinds of compound ( nonylphenol and octyl phenol ) can not only decrease the number of the reproduction, but also affect the parthenogenesis of daphnia magua straus

    結果表明,急性毒性較大的烷基酚,例如4 -辛基酚和4 -壬基酚對大型蚤的生殖毒性產生影響。
  4. The trend of the ec50 and the lc50 to four kinds of organism is similar to each other. daphnia magua straus is the most sensitive orgnism among the four orgnism according to the toxicity data, and photobacteriumphosphoreum is in the next place

    酚類化合物對4種受試生物的ec _ ( 50 )值和lc _ ( 50 )值的趨勢一致,其小,大型蚤對受試物的毒性反應最為敏感,其次是發光菌。
  5. The chronic toxicity of four kinds of phonetic compounds to daphnia mugua straus was determined. the relationship of the structure and effect of the compounds were discussed by the chronic results. the results show that all the compounds we measured have effects on the reproduction of the daphnia magua straus

    烷基酚化合物對四種水生生物的毒性機制主要與脂水分配系數相關,為通透生物膜產生毒性的非反應性毒性,而氯代酚對四種水生生物的毒性機制一方面和logp有關的,另一方面是和電子效應相關的反應性毒性。
  6. Water fleas daphnia magna was fed both toxic alga microcystis aeruginosa ds and nontoxic alga m. aerztginosa 573 for 7 ~ 14 days under laboratory condition

    摘要用銅綠微囊藻有毒株ds和無毒株573喂養大型? ,觀察微囊藻對蟲體的生長和繁殖的影響。
  7. In this paper two - generation reproduction toxicity of fenvalerate, a - cypermethrin, chlorpyrifos, and triazophos was tested in a 21d period with water flea, daphnia magna, . the toxicity indicator included longevity, body length, days to first brood, days to first pregnancy, number of youth per female, intrinsic rate of natural increase ( r ), and number of broods per female. accordingly, the dose - response relations and relations between the chronic responses and enzyme levels were investigated

    為了確定水蚤體內生化指標與慢性毒害效應之間的關系,特別是在低濃度暴露狀態下生化指標改變的生物學意義,以便能更準確預測早期農藥對水蚤種群的潛在危害,本文以浙江省常用殺蟲劑氰戊菊酯、高效氯氰菊酯、三唑磷和毒死蜱進行了大型蚤( d . magna )的急性和慢性毒性試驗(包括子代水蚤的恢復試驗) 。
  8. Standard guide for conducting daphnia magna life - cycle toxicity tests

    用水蚤屬magna進行生命周期毒性試驗的標準指南
  9. Testing methods for determination of the inhibition of the mobility of daphnia by chemicals

    用化學物質抑制水蚤屬遷徙的效果的測定試驗方法
  10. Water quality - determination of chronic toxicity to daphnia magna strauss in 7 days - simplified population growth inhibition test

    水質. 7天內對蚤狀水蚤屬magna strauss慢性毒性的測定.種群生長抑制簡化試驗
  11. Insecticides entere the aquatic environment and impose side effects daphnia community so as to deteriorate aquatic environmet consequently

    水生生物中無脊椎動物水蚤對殺蟲劑十分敏感,通過各種途徑進入水體的殺蟲劑對水蚤種群造成影響進而引起水質惡化。
  12. Water quality - determination of the inhibition of the mobility of daphnia magna strauss by polyelectrolytes in presence of organic carbon in the form of humic acids - acute toxicity test

    水質.以腐殖酸形式存在的有機碳中的聚合電解質對水蚤運動性抑制的測定.急性毒性試驗
  13. The phenomenon that ache and bche activity of daphnia magna were higher than controls might result from stimulating actions of pesticides at sub - lethal concetrations. in the recovery test, the body length and reproduction index, such as number of young per female, were reduced for f1 ( 1st ) and f1 ( 3rd ) individuals if the parents ( f0 ) exposed to fenvalerate and a - cypermethrin

    子代第一胎f _ 1 ( 1st )和第三胎f _ 1 ( 3rd )水蚤恢復試驗中,水蚤的生物學參數及生化指標都有所恢復,但高濃度的農藥經母體轉移到子代體內,對子代水蚤生長、繁殖和體內膽堿酯酶活性仍然存在一定的影響。
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