朱砂含有重金属砷和汞。
目的建立测定中药材中重金属砷铅汞的控制含量方法。
Objective To establish the method for determining controlled contents of As, Pb and Hg in Chinese medicinal materials.
就像今天的煤灰一样，这些颗粒中可能也含有一些有毒金属，如铬和砷。
And like coal ash produced today, the particles would have been loaded with toxic metals such as chromium and arsenic.
砷和铅也是天然形成的金属元素，在工业上从制造杀虫剂到应用于电子工业，它们有着多种用途。
Arsenic and lead are also naturally occurring metallic elements that have varieties of USES in industry from insecticides to electronics.
砷是有毒的金属物质，很久以来认为它能诱发癌症、糖尿病、皮肤变厚、肝病和消化系统并发症。
Arsenic is a poisonous metal that has long been linked to an increased risk of cancers, diabetes, thickening of the skin, diseases of the liver and digestive complications.
对于一些微生物而言，没有什么比生活在充满了锌、砷和镉之类的重金属的有毒淤泥中更加惬意的。
Some microbes like nothing better than to be nestled in a toxic sludge of heavy metals like zinc, arsenic and cadmium.
食品药监局并未为许多自牛肉中发现的药物、农药和重金属元素设立“容忍标准”——包括铜元素和砷元素在内，这些添加物可以促进牛只生长及杀灭某种寄生虫。
FDA has not set a "tolerance level" for many of the drugs, pesticides and heavy metals found in beef, including copper and arsenic, which can promote growth and inhibit certain parasites.
像砷和锑一样，铋也是重金属和重化学元素。
It is very heavy and chemically resembles arsenic and antimony.
特别是鱼类，含有致癌物(多氯联苯，DDT)和重金属(汞，砷，铅，镉)，而且这些物质无法通过蒸煮或冷冻消除。
Fish, in particular, contain carcinogens (PCBs, DDT) and heavy metals (mercury, arsenic; lead, cadmium) that cannot be removed through cooking or freezing.
煤灰含有有毒的重金属，包括砷、镉、水银和铅，这些会从供水系统中过滤处理，在有风的时候吹到空中。
Coal ash contains toxic heavy metals, including arsenic, cadmium, mercury and lead, which leach into water systems and get blown into the air during windy days.
茶垢中含有镉、铅、汞、砷等多种有害金属和某些致癌物质，如亚硝酸盐等，可导致肾脏、肝脏、胃肠等器官发生病变。
Tea scale contain cadmium, lead, mercury, arsenic and other harmful metals and some carcinogens, such as nitrite, can cause kidney, liver, gastrointestinal lesions occur in other organs.
金的富集与金属硫(砷)化物关系密切，毒砂是其主要载金矿物。
The gold enrichment is closely connected with metal sulfide (or arsenide). And arsenopyrite is the main gold-bearing mineral.
结果表明，硫酸铁的除砷效果优于铁铝聚合物和聚硅酸金属盐混凝剂；
The results showed that the arsenic removal with ferric sulfate was better than that with ferric aluminum copolymer and polysilicon metal salt.
在中国，一些产品被查出含有铅、砷、汞等重金属。
In China, some products have been found to contain heavy metal elements such as lead, arsenic and mercury.
湘西湘中新元古界—古生界是金锑砷等金属矿床的重要产出层位。
Neoproterozoic-Paleozoic strata of western and central Hunan are the main ore-bearing beds of Au, Sb, As and other metal ore-forming elements.
准金属，类金属具有一些金属化学特性的非金属元素，例如砷。
A nonmetallic element, such as arsenic, that has some of the chemical properties of a metal.
砷的主要处理方法有硫化物沉淀法，或与多价重金属络合。
Major treatment methods for arsenic include sulfide precipitation, or complexation with polyvalent heavy metals.
探讨了铅阳极泥中金、银、铜、锑、铋等金属回收方法与指标以及砷的污染防治措施。
Processes for extracting metals from the slurry and recovery rates of them, such as gold, silver, copper, antimony and bismuth, and measures of controlling arsenic pollution are discussed.
砷作为地球上一种重要的重金属元素，在人们的日常生产和生活中越来越展现出它的双刃性。
As an important heavy-metal element on earth, arsenic is on and on showing its two-side character in people's life.
本文就砷、汞两种重金属对食品的污染及其来源，对人体的危害及检测方法进行介绍和了解。
This paper arsenic and mercury two heavy metal pollution and its source of food, for the harm to human body and detection method is introduced and understanding.
对脱砷-加氢-脱氯汽油中碱金属和碱土金属的测定结果表明，不存在催化剂的金属流失问题。
The results of determining the alkaline and alkaline earth metals in the treated gasoline showed there was no loss of metals from the catalysts.
方法：用HPLC色谱法对河南不同产地金银花进行绿原酸的含量测定，并对其灰分、酸不溶灰分、砷盐及重金属进行检测。
Methods: Flos Lonicerae from various areas of Henan province in its content of chlorogenic acid, ash, acid-insoluble ash, arsenate and heavy metals was determined with HPLC.
目的提供市售不同产地中药饮片制首乌中的砷及重金属元素的含量水平，为中药标准的制定提供可行性建议。
Objective To analyze the levels of arsenic and heavy metals contents in prepared Radix Polygoni Multiflori from different areas, offering feasible Suggestions for quality control of Chinese medicine.
某多金属铅锌矿含砷较高，采用常规铅、锌优先浮选方法，铅、锌精矿中砷含量超标。
Arsenic content in Pb concentrate and Zn concentrate is too high when PbZn ore being sorted by conventional flotation.
并全面概括和介绍了铜、锡、铅、锌重有色金属冶炼过程中砷的分布和脱除情况。
The distribution and removal of Arsenic in heavy non-ferrous smelting such as copper, tin, lead and zinc are summarized.
石油产品中痕量砷的存在可使某些贵金属催化剂中毒，为此研究出了一种简单、快速的测砷方法。
Trace amount of arsenic in petroleum products is poisonous to some catalysts containing noble metals. Therefore, a cheap and fast method for arsenic determination is searched.
砷是一种具有毒性的准金属元素。
介绍了铜、锡、铅、锌重有色金属冶炼过程中砷的分布和脱除情况。
The distribution and removal technology of Arsenic in the heavy metals such as copper, tin, lead and zinc smelting processes are introduced.
目的研究负载金属多孔材料对饮水中砷的去除效果。
Objective To study the effect of metal loaded multiporous materials on the removal of arsenic in drinking water.
目的研究负载金属多孔材料对饮水中砷的去除效果。
Objective To study the effect of metal loaded multiporous materials on the removal of arsenic in drinking water.
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