In order to reflect the toxicity of cadmium in the two different systems: overlying water system and watersediment coexistence system, the toxicological parameters such as metal body burden, MT and mortality in a freshwater cladoceran Daphnia magna after exposure were quantified.

選擇大型溞作為受試生物亚洲中文字字幕精品乱码，以大型溞體內(nèi)金屬積累量国产激情图区、金屬硫蛋白含量和死亡率作為測試指標(biāo)，考察了上覆水體系與水柱－沉積物共存體系中金屬鎘的毒性狀況欧美变态人XXXX，探討了水體沉積物中重金屬的生物毒性作用機制日韩欧美精品视频在线观看。

In order to reflect the toxicity of cadmiumin the two different systems: overlying water system and water-sediment coexistence system, the toxicological parameters such as metal body burden, MT and mortality in a freshwater cladoceran Daphnia magna after exposure were quantified.

選擇大型溞作為受試生物，以大型溞體內(nèi)金屬積累量老板轻点好痛好涨嗯啊视频、金屬硫蛋白含量和死亡率作為測試指標(biāo)超碰在线入口，考察了上覆水體系與水柱-沉積物共存體系中金屬鎘的毒性狀況，探討了水體沉積物中重金屬的生物毒性作用機制亚洲男人第一Av网站国产。

Based on LSER method, the relationship between the acute toxicity of 26 substituted aromatic compounds on Photobacterium phosphoreum, Daphnia magna and fathead minnow and their theoritical solvatochromic parameters, the high correlation were found, it provided an example to introduce the quantum chemical parameters into QSAR study.

以線性溶劑化能相關(guān)理論為基礎(chǔ)免费视频性综合，利用理論溶劑化參數(shù)分析了26種取代芳香化合物對呆鰷魚、發(fā)光菌和大型蚤的急性毒性国产欧美精品久久，為成功地將量子化學(xué)參數(shù)引入QSAR研究探尋了一條新路湖北一级黄片。

The paper studied the degradation rule of Bromo-Chloro-Dimethyl Hydantoin in water environment and its acute toxicity to 4 aquatic organisms(Photobacterium phosphoreum, Chlorella vulgaris, Daphnia magna Straus and Brachydanio rerio).

研究了新型消毒劑溴氯海因在水環(huán)境中的降解規(guī)律及其影響因素以及BCDMH對4種不同生態(tài)位水生生物(發(fā)光菌、小球藻C无码在线、大型溞和斑馬魚)的急性毒性日韩AV电影三级片导航网站。

In this paper, the 48 hours behavioral changes of Daphnia magna exposure to three typical pesticides were studied.

研究結(jié)果表明，在不同濃度百菌清免费破女视频在线看、除草醚和溴氰菊酯的作用下中国换妻视频，大型蚤的運動行為強度會發(fā)生劇烈變化，并呈現(xiàn)明顯的劑量-效應(yīng)關(guān)系天天色色影院。

The compositions of fatty acids of water flea "Daphnia pulex" cultured in liquid of Banta (1.5 g cow dung; 2 g rice straw; 20 g good soil; 1000 ml water), bread yeast and "Chlorella sp."

在Banta液（牛糞1.5g+干稻草2g+沃土20g+水1000ml）国产一级黄在线观看播放、酵母、小球藻三種培養(yǎng)條件下黄色视频在线观看18岁禁，比較研究了蚤狀溞的脂肪酸組成插插插操操。

The acute and chronic toxicities of benzidine to Daphnia magna were studied.

研究了聯(lián)苯胺對大型溞的急性毒性和慢性毒性。

The male reproductive system retains its primative characters on structure and function, but it has also made up its adaptability through the long-time evolution, which enables Daphnia carinata and other species of Cladocera to live with the changeable living environment.

隆線溞雄性生殖系統(tǒng)在結(jié)構(gòu)與功能上表現(xiàn)出相對的原始性和適應(yīng)性国产黄色激情网站，兩者相互結(jié)合强奸资源影音先锋，使以隆線溞為代表的枝角類更能適應(yīng)復(fù)雜多變的生活環(huán)境。

Many investigators have studied the toxic effects of heavy metals on Daphnia.

值得注意的是免费观看自拍第69页，在土壤和富營養(yǎng)化的水體中，氮18岁禁污网站、磷和重金屬污染往往同時存在欧美在线视频二区国产。

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，其中的一些種類通常用作水族館魚類的食物