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anti-adsorption
相关语句
  反吸附
     The study of anti-adsorption in the in-situ leaching of ionic RE mine
     离子型稀土矿原地浸矿中反吸附问题的探讨
短句来源
  “anti-adsorption”译为未确定词的双语例句
     , can be analyzed by the "Anti-adsorption physically coated mercury filmelectrode without reagent" ASV method to separate the no tokicity species in"Dissolved-Cu, Zn" for comparison with "Homogeneously distributed Cu2+ andZn2+ in the natural water cycle" as natural ion baseline to show the contamination de-gree and to contro1 its source.
     以“天然水循环中Cu2+,Zn2+等离子均匀分布规律”之浓度为自然本底,就可分析对比污染程度,找出并控制污染源。
短句来源
  相似匹配句对
     Anti-H.
     抗H .
短句来源
     Anti-H.
     治疗结果显示H.
短句来源
     The study of anti-adsorption in the in-situ leaching of ionic RE mine
     离子型稀土矿原地浸矿中反吸附问题的探讨
短句来源
     The rest samples were retested by anti-D adsorption and elution assay to screen the DEL.
     对剩余样本进行抗D吸收放散试验,鉴定D放散型(D-elute,DEL)。
短句来源
     STUDY ON EFFICACY OF ADSORPTION BY ANTI-HBsAg McAb IN INACTIVATING HBV IN HUMAN PLASMA
     抗HBsAg单抗吸附法对人血浆中HBV灭活效果的研究
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  anti-adsorption
Anti-adsorption physically coated mercury film electrode for inverse polarography
      


This paper is to study contents of Zn, Cd, Pb and Cu in fish, Crustacea, Mollusea and other marine organisms, determined by inverse polarography (anodic stripping voltammetry) with anti-adsorption physical coating mercury electrode.

本文用防吸附物理涂汞电极单池示差反向极谱系统,测定了渤海湾鱼类、甲壳动物、软体动物等35种海洋生物体的Zn、Cd、Pb、Cu含量,并计算了各类动物对痕量金属的富集系数.通过对该湾大量海产生物(其中包括一些指标生物)的测定,对进一步了解渤海湾的金属污染状况及对津塘渤沿海的环境质量评价,将起重要的参考作用.同时这些数据也是国家目前所需的背景值调查资料.

The paper deals with the concentrations of zinc, cadmium, lead and copper in seven tissues of Gymnocypris przewalskii from Qinghai Lake and Brachymystax lenok from Yarlung Zangbo River in Xizang (Tibet) Autonomous Region. The samples of fishes were collected from May to June, 1982. The tissue samples were ashed by Muffle furnace at 450℃ and their zinc, cadmium, lead and copper contents determined by anti-adsorption physical coating mercury electrode inverse polarography (ASV). A comparison has been made...

The paper deals with the concentrations of zinc, cadmium, lead and copper in seven tissues of Gymnocypris przewalskii from Qinghai Lake and Brachymystax lenok from Yarlung Zangbo River in Xizang (Tibet) Autonomous Region. The samples of fishes were collected from May to June, 1982. The tissue samples were ashed by Muffle furnace at 450℃ and their zinc, cadmium, lead and copper contents determined by anti-adsorption physical coating mercury electrode inverse polarography (ASV). A comparison has been made between the concentration of trace metals in muscle, spawn, skin, bone, fin, gill and stomach of Gymnocypris przewalskii and Brachymystax, lenok, the concentration factor of trace metals in several tissues are calculated. The Zn, Cd, Ph and Cu mean concentrations in total body of Gymnocypris przewalskii are 32.9, 0.27, 1.12 and 1.87 μg/g dry weight respectively. Those in Brachymystax lenok are 54.1, 1.12, 1.36 and 2.45 μg/g dry weight respectively.

作者于1982年对西藏高原进行了有关环境背景值的调查,对西藏高原部分地区的主要经济鱼类进行了痕量金属含量的测定。分析了Zn,Cd,Pb,Cu,分别测定鱼体7个组织的含量,并将分析的结果与采样现场的水样、沉积物中的金属含量作了对比,还计算了鱼体对痕量金属的富集系数。结论说明,作者所测定的青藏高原鱼类和我国一些不同海区的鱼类,其体内所含上述四种痕量金属的情况基本相似。

A review of marine environmental Chemistry is given in four aspects, i.e. pollutants and their sources, transfer and exchange, laboratory modelling and enclosed ocean experiments, and environment analytical chemistry.The environmental capacity of the ocean and atmosphere is almost without limit, so obvious pollution is just within the limits near pollution so urce. The pollutants from human activities is not so great as to affect the vast ocean and atmosphere. Therefore, the increasing temperature of earth and...

A review of marine environmental Chemistry is given in four aspects, i.e. pollutants and their sources, transfer and exchange, laboratory modelling and enclosed ocean experiments, and environment analytical chemistry.The environmental capacity of the ocean and atmosphere is almost without limit, so obvious pollution is just within the limits near pollution so urce. The pollutants from human activities is not so great as to affect the vast ocean and atmosphere. Therefore, the increasing temperature of earth and the El Nino are mainly the natural rules, not the greenhouse effect etc. from human. Thus city wates without treatment can directly discharge into the offshore ocean current through the pipe. However, industry sewage area are not suitable for fishery because of long term effects on ecosystem.The free ions Zn2+ and Cu2+ are highly toxic to shrimps, but the Zn and Cu in suspended particle are not. The free ions Zn2+ and Cu2+ of natural seawater can be analyzed by "Anti-adsorption physically coated mercury film electrode system" without any reagent. If the seawater is acidified, the Zn and Cu in suspended particle will be dissolved into free ions and highly analytical results which has no meaning to toxicity will be obtained. Because of this, the national environment standards of Zn2+ and Cu2+ concentrations are rather too high.The fine particles from car and factory can pass through the air filter, so the analytical results of trace metal ions in clean laboratory in polluted city has not much reliability. There is no real clean laboratory in air polluted city, especially use the analytical method with acidified water sample and AAS that has big influence from fine particles.Moving clean laboratory and its research vessel, underwater concentrator, and underwater probe has to be developed for analysis on shipboard and sea in situ.

本文从污染及污染源、污染物的转移与界面交换、实验室模拟及受控海洋现场实验、海洋环境化学分析四个方面展开述评。认为海洋的环境容量几乎是无限的,明显的污染只限于污染源附近;目前对污染物的转移与界面交换的研究较多,但多数机理尚不清楚;实验室模拟及受控海洋现场实验是环境化学研究中极有用的方法;海洋环境化学分析的可靠性很大程度上取决于环境的洁净度。建议采用集装箱式洁净实验室及调查船,发展水下传感器,浓集器,以进行现场分析。

 
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