无齿蚌
- 与 无齿蚌 相关的网络例句 [注：此内容来源于网络，仅供参考]
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Checking bivalves by microscope, the respiratory system was hurt, especially on lamina.
通过显微镜观察，漂白粉和氯杀宁的主要作用部位为背角无齿蚌的呼吸系统，在其鳃上可见明显病变。
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During experiment, LC50 of bleaching powder in 24, 48, 72, 96, 120, 144 and 168 hours were get; LC50 of trichloroisocyanuric acid powder in 24, 48, 72 and 96 hours were also get.
试验以洱海流域的背角无齿蚌为研究对象，确定常用鱼药：漂白粉、氯杀宁对湖泊大型底栖动物背角无齿蚌的毒性影响。
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Any of several freshwater bivalve mollusks of the genera Anodonta and Unio, found in the central United States, that burrow in the sand or mud of lakes and streams.
淡水蚌发现于美国中部的无齿贝属和珠蚌属几种淡水双壳软体动物的一种，在湖和河中的沙中或泥中挖洞
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Although the range of all metals studied in water samples did not exceed the National Water Quality Standard for Fisheries (GB 11607－89), relatively obvious contamination of Pb, and in particular Zn and As were found by the range in the samples of sediments and Anodonta woodiana.
虽然水样中各重金属均未超过国家渔业水质标准（GB1160789），但底泥和背角无齿蚌的结果显示出Pb，特别是Zn、As的污染比较明显。
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The safe concentration of Anodonta woodiana woodiana were: the available chlorine of bleaching powder of 95.25~108.86 mg/L, the available chlorine of trichloroisocyanuric acid powder of 3.32~3.55 mg/L.
试验得出漂白粉作用下，背角无齿蚌24h、48h、72h、96h、120h、144h、168h的半致死率；氯杀宁作用下，背角无齿蚌24h、48h、72h、96h的半致死率；漂白粉有效氯安全浓度95.25~108.86mg/L；氯杀宁有效氯安全浓度3.32~3.55mg/L。
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As an initial attempt to set up a "Freshwater Mussel Watching" system,swan mussels were collected from Wuli Lake of the Taihu Lake in March 2003 for analysis by gas chromatography of dichlorodiphenyltrichloroethanes(p,p′-DDE,o,p′-DDT,p,p′-DDD,p,p′-DDT),and α-,β-,γ-,δ-hexachlorocyclohexane isomers in soft tissues.
作为建立淡水&贝类观察&体系的初步尝试，选定2003年3月采自太湖五里湖水域的背角无齿蚌为研究对象，测定其体内滴滴涕和六六六含量。
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In all twenty populations, the genetic diversity for Unio douglasiae is the largest, Solenaia oleivora takes the second place, and the percents of RAPD amplified polymorphic loci for both populations are all larger than 70%.
短褶矛蚌和河无齿蚌种群的多态位点百分率低于40%，其中短褶矛蚌的Sh~on遗传多样性指数为0.1891、群体内的遗传距离为0.0708，在所有种群中均最小。
- 推荐网络例句
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It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.
从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。
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The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.
集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐
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The eˉtiology of hemospermia is complicate,but almost of hemospermia are benign.
血精的原因很，以良性病变为主。