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- Daphnia magna is recognized as a standard experimental organism in the world. 大型水是國際公認的標準實(shí)驗生物。
- Any of various water fleas of the genus Daphnia, some species of which are commonly used as food for aquarium fish. 水蚤水蚤科中的一種水蚤屬水生跳蚤，其中的一些種類(lèi)通常用作水族館魚(yú)類(lèi)的食物
- This article introduced the progress and views of applying Daphnia magna to research work. 通過(guò)文獻調研綜述了國內外大型水(氵蚤)生物測試技術(shù)的應用研究動(dòng)態(tài)及發(fā)展趨勢。
- Results:Daphnia magna could detect the toxicity of drinking water and water resource polluted by 0. 目的:驗證采用大型水蚤檢測農藥和無(wú)機砷污染的飲用水和地表水源水毒性的可行性。
- Water fleas Daphnia magna was fed both toxic alga Microcystis aeruginosa DS and nontoxic alga M. 用銅綠微囊藻有毒株DS和無(wú)毒株573喂養大型溞,觀(guān)察微囊藻對蟲(chóng)體的生長(cháng)和繁殖的影響。
- Our company is an integrated service provider in frozen fish food like Bloodworm, Daphnia, Krills and etc. 已取得惠州出入境檢驗檢疫局的出口飼料企業(yè)注冊。公司生產(chǎn)的一系列產(chǎn)品適合各類(lèi)品種的觀(guān)賞魚(yú)，產(chǎn)品營(yíng)養豐富增色性好，屬純天然冷凍寵物食品。
- In the 48h-exposure, there was a sudden increase of Daphnia magna behavior strength, and then decreased gradually. 在一定濃度的農藥暴露中,暴露生物的行為強度在經(jīng)歷一個(gè)短暫的突增后,會(huì )隨暴露時(shí)間增加而逐步減弱。
- Under normal environmental conditions, Daphnia populations are exclusively female and reproduction is clonal. 在正常環(huán)境條件下，水蚤均為雌性并且采取無(wú)性繁殖。
- Therefore, it is important to derive sufficient protein from a single Daphnia for phenotypic analyses. 從一個(gè)水蚤個(gè)體中獲取足夠的蛋白對于表型分析也變得十分重要。
- The reproduction studies of difficult substance 3,4-dichloroaniline on Daphnia magna were performed with semi-static and continuous-flow system. 分別采用持續流水式系統和半靜態(tài)系統為暴露途徑,比較研究難溶化學(xué)品3,4-二氯苯胺對大型蚤繁殖影響的差異。
- Then, McCauley and his colleagues showed that Daphnia and their algal prey have an incredible range of population dynamics. 他和他的同事展示了溞類(lèi)和它們的捕食者藻類(lèi)存在一個(gè)難以置信的種群動(dòng)力范圍。
- This article mainly introduces the cultivate technology of daphnia magna and the domestic and foreign situation of its toxicity test. 在分析中，主要介紹了大型蚤的試驗培養技術(shù)和國內外對其毒理試驗方面的研究概況。
- 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(wú)毒株573喂養大型溞，觀(guān)察微囊藻對蟲(chóng)體的生長(cháng)和繁殖的影響。
- The study on the phototactic behavior of Daphnia carinata clone Dc42 as an indicator of chromium biotoxicity showed that the phototaxis inhibition ratio (Rpi) of D. 報道了以隆線(xiàn)?單克隆Dc42為生物監測器;利用其趨光行為變化評價(jià)鉻生物毒性的方法.
- Sensitivity of Daphnia magna at different ages to toxicityihas been studied in accordance with comparison between 7-days body-length and its 21 days reproduction of Daphnia magna. 研究了不同日令大型溞對毒物的敏感性,對大型溞7d的體長(cháng)指標與21d的繁殖量指標進(jìn)行了比較。
- Macrothrix brevicornis (Macrothricidae) and Kurzia yunnanensis (Chydoridae) and twonew records (Daphniidae) from China, Daphnia lumholtzi Sars and Simocephalus acutiro-stratus ... 至于該省南部熱帶地區的枝角類(lèi),尚無(wú)調查研究。
- The basis of their study is the feeding and life cycle of a tiny crustacean called Daphnia and their microscopic algal prey commonly found in lakes and ponds throughout the world. 他們研究的基礎是建立在小型甲殼動(dòng)物溞類(lèi)生活史和攝食以及它們對藻類(lèi)的捕食，這些通常被建立與湖泊和池塘內的。
- Biological archives such as the resting eggs of Daphnia in lake sediments are a valuable tool for investigating how organisms respond to changes in the ecosystem. 生物學(xué)的存檔比如在湖泊沉積物中溞類(lèi)休眠卵對研究是一個(gè)有價(jià)值的東西。它們能夠對生態(tài)系統的變化做出反應。
- As the key part of the natural water food chain, the Daphnia magna is very sensitive to pesticides and listed as the essential non-target organism in the pesticide registration. 摘要大型蚤是水體生態(tài)系統中對農藥十分敏感的生物，被世界各國列為農藥登記中必測非靶標生物之一。
- Toxicity of imidacloprid on bee,silkworm,daphnia,fish and shrimp have been tested by various indoor simulated tests,and safety evaluation have also been conducted. 本文采用多種室內模擬試驗，測定了吡蟲(chóng)啉對蜜蜂、家蠶、蚤類(lèi)、魚(yú)類(lèi)和蝦類(lèi)的毒性并作了安全性評價(jià)。
