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A method for determination of mercury in blood using a thiourea mixed extraction method has been ...

本文针对常规分析方法存在的不足,研究建立了硫脲混合液提取测定血样中汞的新方法,样品预处理不需要加热消解,且由于硫脲混合液与汞生成稳定化合物,可有效地减少常规预处理方法在样品预处理和测定过程中汞的吸附和挥发损失,方法的回收率高、重现性好、简便、快速、分析费用低。

The title compound was colorless crystal synthesized via the reaction of 4, 4'-bipyridine and HgI2 in the mixtured solution of methanol and tetrahydrofuran.

标题化合物是双齿配体4,4'-联吡啶与碘化汞在甲醇和四氢吨位呋喃混合溶液中反应得到的无色晶体。

The chronic accumulation and elimination of eight heavy metals: lead, zinc, copper, nickel, cadmium, chromium, mercury, and arsenic in green mussel Mytilus edulis were investigated by exposing to the mixed heavy metal solutions.

通过对翡翠贻贝进行混合重金属积累与排放的慢性实验,研究了重金属铅,锌,铜、镍、镉、铬、汞和砷的混合溶液在翡翠贻贝体内的积累规律和排出规律。

Mercury easily amalgamates with gold.

汞易与金混合。

The properties of amalgams containing high copper have been studied in detail.

结果表明,球形粉末容易与汞混合研磨,球粉汞齐比市售车屑粉汞齐更易充填、雕刻和抛光。

The titrant is a mixture of EDTA and sodium fluoride, both mercury film electrode and fluorinion selective electrode are inserted in the titration solution. In a process of titration, both the added volume of titrant and the concentration of mercury ion at each titration point can be obtained simultaneously from the potentials of two electrodes, and then the concentration of each component in the alloy can be obtained from the titration curves by multivariate calibration.

用ED-TA与氟化钠的混合溶液作为滴定剂,被滴定液中同时插入了汞膜电极和氟离子选择电极,在滴定过程中的任一滴定点,溶液中汞离子的浓度和滴定剂的加入体积可由两个电极的电位测定值同时获得,从而可应用多元校正法由相应的滴定曲线求得混合金属中每一种组分的含量。

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Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时,他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了

The enrich the peopling of Deng Xiaoping of century great person thought, it is the main component in system of theory of Deng Xiaoping economy, it is a when our country economy builds basic task important facet.

世纪伟人邓小平的富民思想,是邓小平经济理论体系中的重要组成部分,是我国经济建设根本任务的一个重要方面。