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铅和锌
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  lead and zinc
     The content of lead and zinc in the hair and blood of 223 healthy infants aged 3 to 4 years old was determined.
     测定了浙江省宁波、海宁部分地区 2 2 3例 3~ 4岁健康幼儿同一个体头发和全血铅和锌含量 ,并研究两类样本两种微量元素的相关性。
短句来源
     Relationship between delta-aminolevulinic acid dehydratase gene polymorphism and blood levels of lead and zinc protoporphyrin in children exposed to lead
     δ-氨基乙酰丙酸脱水酶基因多态性与血铅和锌原卟啉的关系
短句来源
     The Effect of δ-Aminolevulinic Acid Dehydratase Gene Polymorphism on Blood Lead and Zinc Protoporphyrin Levels among Occupationally Lead-Exposed Workers
     δ-氨基乙酰丙酸脱水酶基因多态性对职业铅接触工人血铅和锌原卟啉的影响
短句来源
     Objective To explore the associations of polymorphism of delta aminolevulinic acid dehydratase (ALAD) gene with blood levels of lead and zinc protoporphyrin (ZPP).
     目的 探讨δ 氨基乙酰丙酸脱水酶 (ALAD)基因多态性与血铅和锌原卟啉之间的关系。
短句来源
     Simultaneous Determination of Lead and Zinc in Natural Water by Flame Atomic Absorption Spectrometry with Microemulsion Sampling and Diphenylthiocarbazone Liquid-Liquid Extraction
     双硫腙四氯化碳萃取微乳液进样火焰原子吸收光谱法同时测定天然水中的铅和锌
短句来源
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  pb and zn
     Determination of Pb and Zn in Wine by Using Bismuth-Film Electrode by Differential Potentiometric Stripping Analysis
     铋膜电极微分电位溶出法测定酒中铅和锌
短句来源
     In the same area blood contents of Mo and Cu of the male donors appeared to be lower than those of the female, but the contents of Pb and Zn seemed to be higher.
     该地区内男性血液内钼、铜含量比较低,但铅和锌含量却显著地高于女性。
短句来源
     It showed a negative correlation between Pb and Zn in hair or blood of both of male and female.
     无论是头发或是全血 ,男性或女性铅和锌均呈负相关且大多数有显著性 ;
短句来源
     This indicates that the evolution of Pb and Zn in the basement rocks from early to late provided the ore-forming material for mineralization of the SEDEX-type Pb-Zn deposits in the Langshan-Zhaertaishan district.
     铅锌这种随时间的变化与中元古代铅的暴发性成矿及大规模铅锌共生矿床的形成是同步的,说明基底岩石中的铅和锌是该成矿带SEDEX矿床成矿的物质基础。
短句来源
  “铅和锌”译为未确定词的双语例句
     Comparing with ALAD1 1 genotype,the ALAD1-2 genotype had slight increased blood lead and ZPP levels but there were not significantly differences.
     结果表明 ,与ALAD1- 1纯合子相比 ,ALAD1- 2杂合子的血铅和锌原卟啉都轻度增高但没达到显著性水平。
短句来源
     Simultaneous Determination of Tin and Lead in Canned Orange Juice by Anodic Stripping Voltammetry with the Use of GSAM
     半微分阳极溶出伏安法同时测定罐装桔子汁中铅和锌—广义标准加入法在电分析化学中的应用
短句来源
     Test on Pb-Zn orebody groupNo 2 in a Pb-Zn deposit shows that within the range of allowable accidental error the samples analyzedby XRF analysis technique have a acceptance ratio of 81%Pb and 79%Zn in comparison with chemi-cal analysis, and that the average relative error of repeated analysis by XRF method is less than 1%.
     该方法在某铅锌矿2号矿体群的应用表明:X射线荧光法分析结果与化学分析结果相比较,在规定的允许偶然误差限内,对铅和锌其合格率分别为81%和79%,X射线荧光法重复分析铅、锌含量的平均相对误差均小于1%。
短句来源
     DIRECT DETERMINATION OF FOUR ELEMENTS IN SEDIMENTS USING ELECTROTHERMAL VAPORIZATION ICP-AES
     热化学反应电热蒸发直接进样ICP-AES测定沉积物中砷、镉、铅和锌
短句来源
     BEHAVIORS OF As, Sb, Bi, Pb AND Zn IN COPPER FLASH SMELTING PROCESS
     砷、锑、铋、铅和锌在铜闪速熔炼过程中的行为
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  lead and zinc
Test Determination of Lead and Zinc in Water with the Use of Xylenol Orange Immobilized on Silica
      
The results obtained in determining ions of lead and zinc in the case of their simultaneous presence in solution and comparative characteristics of various calibration models are presented.
      
Geology and structural features of vein-type lead and zinc deposits
      
Part of lead and zinc in fluids can be transported by organic complexes, while their precipitation is caused by organic reduction.
      
Increased sister chromatid exchanges in workers exposed to occupational lead and Zinc
      
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  pb and zn
The effect exerted by the anion of Pb and Zn salts on the thermal evolution of the structure of polymetallosiloxanes formed by base-catalyzed (NH4OH) hydrolytic polycondensation of ethyl silicate with zinc(II) or lead(II) salts was studied.
      
It is argued that the schemes of Tessier and the BCR are applicable for the determination of the contents of Pb humates, Pb and Zn carbonates, and heavy metals bound with hydroxides of Fe and Al.
      
The concentrations of Al, Fe, Mn, Cu, Pb and Zn were determined by means of inductively coupled plasma atomic emission spectrometry (ICP-AES).
      
The correlation analysis indicated that Al, Fe and Mn were originated from similar sources and were mainly controlled by the particle mass, while Cu, Pb and Zn were predominated by local anthropogenic sources, with Pb and Zn having similar origins.
      
In this work, the separation of Cd, Co, Cu, Fe(II/III), Mn, Pb and Zn using a mixed bed column (IonPac CS5A) and a cation-exchange column (IonPac CS2) is studied as a function of mobile phase composition.
      
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In this communication, the whole blood contents of 15 elements (Na, K, Ca, Mg, Zn, Cu, Pb, Au, Ni, Co, Cr, Cd, Mn and Mo) in samples pooled from 1434 donors are reported. Samples were taken from the natural population scattered in the provinces of Kiangsu, Chekiang and the Shanghai suburban area. Except for the element molybdenum, the analysis of the other elements was carried out with the atomic absorption spectrometer. Polarography was used for the determination of Mo. According to the contents found, the...

In this communication, the whole blood contents of 15 elements (Na, K, Ca, Mg, Zn, Cu, Pb, Au, Ni, Co, Cr, Cd, Mn and Mo) in samples pooled from 1434 donors are reported. Samples were taken from the natural population scattered in the provinces of Kiangsu, Chekiang and the Shanghai suburban area. Except for the element molybdenum, the analysis of the other elements was carried out with the atomic absorption spectrometer. Polarography was used for the determination of Mo. According to the contents found, the 15 elements can be divided into 4 groups: 1. No regional or sex difference observed for the following elements: Na, Mg, Mn, Co, Au, Cr and Cd. 2. No regional difference but sex difference noticed for the following elements: Zn and Fe. 3. Regional difference found for the following elements: K, Ca, Cu, Mo and Ni. 4. Both regional and sex difference found for the following element: Pb. The analysis showed that in the region with higher incidence of liver cancer the whole blood contents of Mo and Cu were lower while the content of Pb seemed to be higher. In the same area blood contents of Mo and Cu of the male donors appeared to be lower than those of the female, but the contents of Pb and Zn seemed to be higher. This result ran parallel with the difference in the incidence of liver cancer between both sexes.

本文报道自然人群共1434人血液内15种元素的分析结果。除元素钼外,其他元素均采用原子吸收光谱法分析,钼的分析采用催化极谱法。按分析结果,元素可以分成下列四类:(1)含量无地理和性别上的差异者:Na、Mg、Mn、C0、Au、Cr和Cd。(2)含量无地区差异但有性别上的差异者:Zn、Fe。(3)含量有地区差异者:Cu、Ni、K、Ca和Mo。(4)含量有地区和性别上的差异者:Pb。分析结果指出,在肝癌高发区,元素钼和铜的含量比较低,但铅的含量却比较高。该地区内男性血液内钼、铜含量比较低,但铅和锌含量却显著地高于女性。元素含量性别上的差异与肝癌发病率性别间的差异是平行的。

The simultaneous and direct determination of Co. Cu. Fe. Pb. and Zn in electrolytic solutions containing concentrated salt by flame atomic absorption photometric method has been investigated. The suitable determination conditions have been found. These conditions are: acetylene flow rate 0. 5L/min., air flow rate 9L/min., height of burner 4mm. The fixed point determination method of mixed solutions has been developed and evaluated. It is possible to use this method for in-line control analysis of microelements...

The simultaneous and direct determination of Co. Cu. Fe. Pb. and Zn in electrolytic solutions containing concentrated salt by flame atomic absorption photometric method has been investigated. The suitable determination conditions have been found. These conditions are: acetylene flow rate 0. 5L/min., air flow rate 9L/min., height of burner 4mm. The fixed point determination method of mixed solutions has been developed and evaluated. It is possible to use this method for in-line control analysis of microelements Co. Cu. Fe. Pb. and Zn in nickel electrolytic solutions

本文研究了用火焰原子吸收分光光度法同时直接测定高含盐量镍电解液中的微量杂质钻、铜、铁、铅和锌,并找到了合适的测定条件,即乙炔流量0.5升/分、空气流量9升/分、燃烧器高度4毫米。

A method of chromatographic adsorption accompanied with complex compound formation was used for purifying alkali earth metal compounds from heavy metal impurities. This method provides a means to remove the following impurities to an extent of ppm level, such as Fe<0.4, Co<0.1, Cu<0.5, Ni<0.7, Pb<0.2, Zn<-0.4 ppm. This method enables purification to be accomplished with a higher efficiency and in a larger capacity than that of other methods.The efficiency of several complexing agents and the optimum processing...

A method of chromatographic adsorption accompanied with complex compound formation was used for purifying alkali earth metal compounds from heavy metal impurities. This method provides a means to remove the following impurities to an extent of ppm level, such as Fe<0.4, Co<0.1, Cu<0.5, Ni<0.7, Pb<0.2, Zn<-0.4 ppm. This method enables purification to be accomplished with a higher efficiency and in a larger capacity than that of other methods.The efficiency of several complexing agents and the optimum processing conditions have been studied.

本文采用络合吸附色层法,从碱土金属化合物中除去铁、铜、钴、镍、铅和锌等重金属杂质,从而提供了一种效率高和容量大的提纯碱土金属化合物的方法。

 
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