daphnia magna
大型 蚤
大型 溞
鼠疫是由一种叫做鼠疫耶尔森氏菌的细菌引起的,它由啮齿动物及其跳蚤 携带。 Plague, is caused by a bacteria called Yersinia pestis, carried by rodents and their fleas . 它们也发生在帕萨迪纳,那里的问题可能是由于人们喂养携带跳蚤 的流浪猫。 Health officials said they also have occurred in Pasadena, likely due to people feeding stray cats that are carrying fleas . 我绕了几圈,但现在我成功地从运输中抓取了一个沙蚤 。 I have had a couple of short walks around, but now I have managed to grab a Sand Flea from Transport. 它们也发生在帕萨迪纳,那里的问题可能是由于人们喂养携带跳蚤 的流浪猫。 They also have occurred in Pasadena, where the problems are likely due to people feeding stray cats carrying fleas . 哦,当然,这些小工具将著名的火星”沙跳蚤 ,”地球的通用传输。 Oh, of course, those little vehicles would be the famous Martian“Sand Fleas ,” the planet's universal transports.
Tucker和他的搭档研讨了11种无性繁衍的水蚤 ,一种细小的无脊椎动物。 Tucker of Southern Arkansas University and his colleagues studied 11 asexual species of water fleas , a tiny kind of invertebrate. 跳蚤污垢是跳蚤 的粪便物质,主要由干燥的动物血液组成。 Flea dirt is the fecal material of fleas and consists mainly of dried animal blood.因此,旅客应保持个人和食物卫生,做好防蚤 措施,并远离野生和流浪动物。 Therefore travellers should always practice good personal and food hygiene, use repellent against fleas , and stay away from wild and stray animals. 撒上24:14以色列王出来要寻找谁呢.追赶谁呢.不过追赶一条死狗、一个虼蚤 就是了。 (24:15) After whom is the king of Israel come out? after whom dost thou pursue? after a dead dog, after a flea . 报告了在藻类、浮游动物(卤虫和水蚤 )和鱼类体内的效应浓度为<1毫克/升(详细数值见国际化学品安全规划署,1992年;生态毒理学与环境安全数据库,2007年)。 Effect concentrations in algae, zooplankton(brine shrimp and water flea ) and fish of< 1 mg/l were reported(detailed values in IPCS, 1992; ECOTOX database, 2007). 报告了在藻类、浮游动物(卤虫和水蚤 )和鱼类体内的效应浓度为<1毫克/升(国际化学品安全规划署,1992年;生态毒理学与环境安全数据库,2007年)。 Effect concentrations in algae, zooplankton(brine shrimp and water flea ) and fish of< 1 mg/l were reported(IPCS, 1992; ECOTOX database, 2007). Then we walked our way to the Flower Market. Plague is an infectious disease found in some small mammals and their fleas . Alice was found infested with fleas and at about half her normal bodyweight. His race is as inexterminable as the flea ; 以色列王出来是寻找一个虼蚤 ,如同人在山上猎取一个鹧鸪一般。 The king of Israel has come to search for one flea like someone hunting a partridge in the hills.”. 水蚤 (Moinamicrura):24小时半数致死浓度(静态)=16.2微克/升. Water flea (Moina micrura): 24 hours LC50(static)= 16.2 ug/l. 水蚤 48小时的半数致死浓度:0.27毫克/升(技术甲胺磷). Invertebrates Waterflea(Daphnia magna ) 48-hour EC50: 0.27 mg/L(technical methamidophos).
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结果: 753 ,
时间: 0.0207
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