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major elements
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    The results were found that major elements were within national health standard or the level of harmless health except the turbidity, because their data were higher in a few of drinking water samples.
    结果发现:除浑浊度因少数水样偏高而使平均水平略超过国家卫生标准外,其余成分均在饮用水水质卫生标准范围之内或在对健康基本无害水平。
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  major elements
Organic Carbon versus Major Elements Relationship in Rocks of the Bazhenov Formation, Western Siberia
      
These components chiefly determine the spectrum of major elements in the Bazhenov Formation.
      
Distribution of rare earth, trace, and major elements was studied in sandy rocks and early diagenetic formations (glauconites and phosphorites).
      
The major elements of the evolution of carbon isotope signature could be retained since the sedimentation stage.
      
The coefficients of migration in water are evaluated, and the major elements with respect to which surface waters enrich under anthropogenic load are identified.
      
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The in variation contents of four types of indispensable major elements: Phosphorus (P), Sodium (Na), Calcium (Ca), and Magnesium (Mg); ten types of indispensable trace elements. Iron (Fe), Strontium(Sr), Copper(Cu), Nickel (Ni), Zinc (Zn), Vanadium (V), Chromium (Cr), Manganese (Mn), Molybdenum (Mo), and Cobalt (Co), and twelve types of other elements: Lead (Pb), Titanium(Ti), Aluminium(A1), Lanthanum(La), Barium(Ba), Silicon(Si), Cerium(Ce), Ytterbium(Yb), Seandium(Sc), Silver (Ag), Cadminm...

The in variation contents of four types of indispensable major elements: Phosphorus (P), Sodium (Na), Calcium (Ca), and Magnesium (Mg); ten types of indispensable trace elements. Iron (Fe), Strontium(Sr), Copper(Cu), Nickel (Ni), Zinc (Zn), Vanadium (V), Chromium (Cr), Manganese (Mn), Molybdenum (Mo), and Cobalt (Co), and twelve types of other elements: Lead (Pb), Titanium(Ti), Aluminium(A1), Lanthanum(La), Barium(Ba), Silicon(Si), Cerium(Ce), Ytterbium(Yb), Seandium(Sc), Silver (Ag), Cadminm (Cd), and Boron(B) in cerebrospinal fluid(CSF) was measured on 87 patients suffering from headache and 66 patients without headache. A significant increase in Ni (P<0.05), Ce, Yb, Sc, Ag, and B (P<0.01); a significant decrease in Fe (P<0.05), Na, Ca, Mg, Sr, Zn, Al, and Ba (P<0.01) and no change in P, Cu, V, Cr, Mn, Mo, C, Pb, Si, Ti, La and Cd were found in cases suffering from headache in comparison with those in headache-free eases. The results indicate that variation in many chemical elements is associated with headache- bearing patients. Its mechanism and significance remain to be studied.

用等离子光量计检测了87例头疼患者和66例非头疼患者脑脊液(CSF)中4种必需常量元素:磷、钠、钙、镁;10种必需微量元素:铁、锶、铜、镍、锌、钒、铬、锰、钼、钻;12种其它微量元素:铅、钛、铝、镧、钡、硅、铈、镱、钪、银、镉、硼共26种元素的含量。与非头疼患者CSF中有关元素含量相比,头疼患者CSF中含量显著升高或非常显著升高的有镍(P<0.05),铈、镱、钪、银(P<0.01)等8种;显著或非常显著降低的元素有锰、铁(P<0.05)、磷、钠、钙、镁、锶、锌,铝、钡、硼(P<0.01)等11种;其余几种元素未见明显差异。结果提示头疼患者CSF中伴有多种元素含量的改变。其机理和意义有待进一步探讨。

The contents of serum trace elements Zn, Cu, Fe, amd major elements K, Na, Ca, Mg in smokers and non-smokers were determined with Atomic Absorption Spectrophotometer and Flame Photometer. The data were analysed statistically, and relationship between seven elements and blood pressure(BP), serum lipids were discussed. It was found that the contents of Na, Mg, Zn, Fe, and Na/K, Zn/Cu in smokers were significantly higher than those in ron-smokers, while Ca/Mg was significantly lower than this in non-smokers....

The contents of serum trace elements Zn, Cu, Fe, amd major elements K, Na, Ca, Mg in smokers and non-smokers were determined with Atomic Absorption Spectrophotometer and Flame Photometer. The data were analysed statistically, and relationship between seven elements and blood pressure(BP), serum lipids were discussed. It was found that the contents of Na, Mg, Zn, Fe, and Na/K, Zn/Cu in smokers were significantly higher than those in ron-smokers, while Ca/Mg was significantly lower than this in non-smokers. It is suggest that the changes of the contents of seven serum elenents is closely related to high BP, hematocrit, cholesterol, triglyceride, LDLch, VLDL-ch, ApoB, and lower HDL-ch.

为了探讨7种元素与血压和血脂的关系,采用原子吸收和火焰光谱分析法,检测了吸烟者和不吸烟者血清微量元素Zn、Cu、Fe和常量元素K、Na、Ca、Mg的含量,经统计学处理结果发现,吸烟者血清Na、Mg、Zn、Fe及Na/K、Zn/Cu明显高于不吸烟者,而Ca/Mg则明显低于不吸烟者。提示吸烟者血压、HCT、Ch、TG、LDL-ch、VLDL-ch、ApoB升高,而HDL-ch降低与7种元素含量变化有密切的关系。

Twenty-eight elements were determined in 56 samples of drinking water in this study.The results were found that major elements were within national health standard or the level of harmless health except the turbidity, because their data were higher in a few of drinking water samples. Moreover in multipe stepwise regression analysis among chloroform and other 27 elements in drinking water, it was found that the primary components to affect chloroform level were chloride, copper, sulfide, zinc, and...

Twenty-eight elements were determined in 56 samples of drinking water in this study.The results were found that major elements were within national health standard or the level of harmless health except the turbidity, because their data were higher in a few of drinking water samples. Moreover in multipe stepwise regression analysis among chloroform and other 27 elements in drinking water, it was found that the primary components to affect chloroform level were chloride, copper, sulfide, zinc, and residual chlorine in order, and the multipe correlation coefficient among chloroform and they was 0. 7008.

本研究对56份饮水样品中28种主要成分进行了测定。结果发现:除浑浊度因少数水样偏高而使平均水平略超过国家卫生标准外,其余成分均在饮用水水质卫生标准范围之内或在对健康基本无害水平。氯仿与其余27种饮水成分的多元逐步回归分析表明,对饮水氯仿含量起主要作用的是铜、锌、氯化物、游离余氯和硫化物。氯仿与这五种成分的复相关系数达0.7008.本文并对以上结果进行了讨论。

 
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