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trace heavy metal ions 痕量重金属
The chemical form of trace heavy metal thallium in sediment core from Pearl River was studied by the ICP-MS method and sequential analysis. 摘要利用ICP-MS测定技术和分级提取形态分析手段对珠江某处沉积物中痕量重金属铊的化学形态进行了考察。
Effects of Heavy Metal Ions on EROD, GST Acti vi ties in Hepatopancreas of Paralichthys olivaceus. 重金属离子对褐牙鲆肝胰脏EROD和GST活力的影响;
Process of culture and acclimation of mixed microbes by heavy metal ions was introduced. 摘要介绍了噬重金属离子混合微生物的培养、驯化流程。
Sulfuric acid in soils may lead to the formation of ammonium sulfate, which causes the release of toxic aluminum and heavy metal ions that inhibit metabolic activity. 土壤中的硫酸导致硫酸胺土壤的形成，进而导致可抑制生物新陈代谢活力的有毒的铝和重金属离子的释放。
Using Hg2+ and Pb2+ as examples, the adsorption capacity of immobilized bayberry tannin membrane to heavy metal ions was investigated. 以Hg2+和Pb2+为对象,对固化杨梅单宁膜吸附性能进行研究。
The major reason for the reduced selectivity is typically the inadvertent activation of sphalerite or pyrite by the heavy metal ions (HMI) in solution. 浮选选择性降低的主要原因是溶液中重金属离子对闪锌矿或黄铁矿的意外活化。
The development of a scavenger which has a function of selective uptake of heavy metal ions from an aqueous solution should be enhanced more. 具有螯合性能的水滑石类材料有可能发展为一种新的处理重金属污染的水体净化剂。
Closed microwave digestion was coupled to flame atomic absorption spectrophotometry (FAAS) for the determination heavy metal ions in sewage samples. 摘要采用密闭微波消解-火焰原子吸收光谱法测定污水中的重金属。
The biosorption methods have superiority over the traditional processing methods in separating and recycling heavy metal ions from wastewater. 摘要生物吸附法用于去除和回收废水中重金属离子具有其它传统处理方法不可比拟的优势，有着广泛的发展前景。
The absorbency and adsorption of the self-preparing poly(acrylic acid) superabsorbent(PAAS) are investigated in single and binary nitrate solutions of heavy metal ions. 用聚丙烯酸高吸水树脂(PAAS)研究了单一和混合重金属离子硝酸盐溶液中的吸液和吸附性能。
Some methods of measuring the concentrations of free heavy metal ions were compared, and a new method, Donnan Membrane Technique (DMT), was established. 摘要对比了最近几十年来国内外土壤溶液中游离重金属离子浓度的测定方法，在此基础上建立了一种新的测量方法-唐南膜平衡法(DMT)。
An online enrichment-separation system of C 18 and inductively coupled plasma-mass spectrometry (ICP/MS) with flow injection (C18-FI-ICP/MS) was established for the determination of trace heavy metals in seawater. 建立了碳 18键合硅胶柱流动注射电感耦合等离子体质谱 (C18 FI ICP/MS)联用系统。
Applicable configuration alteration of the electrodeionization (EDI) process commonly for pure water production was carried out to treat dilute heavy metal ions waste water. 摘要为处理低浓度重金属离子废水，对常规的用于超纯水生产的EDI内部构造进行了适应性改进。
The effect of the parameters of dosage quantity,HRT,FeS granularity and aeration amount on the treatment efficiency of heavy metal ions is mainly studied. 一定反应条件下对电镀废水中重金属离子的去除效果；
Progress in the research on adsorptive characteristic of chitosan and its derivative with heavy metal ions, acid and organic dyestuff etc was reviewed in this paper. 综述了壳聚糖及其衍生物对重金属离子、酸和有机染料等吸附特性的研究进展。
The photolysis of naphthalene was influenced by various factors including lightsource, solutionmedia, dissolved oxygen, heavy metal ions and photosensitizers. 萘的光降解过程受到包括光源、溶液介质、溶解氧、重金属离子、光敏剂在内的各种因素的影响。
In the porosity reservoir with anhydrite, the formation water is rich in sulfate and poor in heavy metal ion. 在与硬石膏的多孔性水库，形成水在重金属的离子的硫酸盐和贫寒上是富有的。
However, some changes occurred in the effects of solution media on the photodegradation of naphthalene after the addition of heavy metal ions or photosensitizer. 然而,溶液中加入的重金属离子或光敏剂会改变萘的光解反应。
Keywords Graphite furnace atomizer;trace heavy metal;lead;copper; 关键词原子吸收石墨炉法;铅;铜;