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锌和锰的
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  zinc and manganese
     The "safe level "of cadmium, zinc and manganese to the larvae is 0. 030 25,0. 042 67 and 0. 032 85mg/dm3 on the basis of the 96h LC50 value for postlarvae. A more conservative "safe level" of cadmium is 0. 000 73mg/dm3.
     根据仔虾96h LC_(50)值计算的镉、锌和锰的安全浓度分别为0.030 25、0.042 67、0.032 85mg/dm~3,镉的更为稳妥的安全浓度为0.00073mg/dm~3.
短句来源
     (2)contents of selenium,nickel,cobalt,vanadium,molybdenum decrease(3)contents of zinc and manganese have difference with no significance. P>0.05.
     (2)硒、镍、钴、钒、钼的含量降低; (3)锌和锰的含量差异无显著性.P>0.05。
短句来源
     On the other hand,iron,copper,zinc,and manganese levels in most tissues for trial 3 and trial 4 are lower than those of the control(p<(0.05)),except for the increased kidney zinc content(p<(0.05)).
     另一方面,实验结果表明第3、4组氟的添加与对照组相比除显著增加了生长猪肾锌的沉积外(p<0.05),均显著降低了大多数组织器官铁、铜、锌和锰的沉积(p<0.05)。
短句来源
     A Study of Separating Iron, Zinc and Manganese in Mixed Sulphate Solution by Solvent Extraction
     从硫酸盐溶液中萃取分离铁、锌和锰的研究
短句来源
     Calcium, magnesium, zinc, copper, manganese content in serum of 111 diabetics were determined . Compared with that of contrast group, the following results are obtained: 1. In serum of diabetics, calcium, magnesium, zinc and manganese content decreases while copper content increases;
     测定了111例糖尿病患者血清中钙、镁、锌、铜、锰的含量,与对照组比较,结果表明,血清钙、镁的含量降低,血清铜的含量升高,血清锌和锰的含量降低。
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  “锌和锰的”译为未确定词的双语例句
     Simultaneous acid leach of ZnS concertrata and Pyrolusite ore is used to obtain Zn and Mn Solution,leach rates of Zn and Mn are up to 97% and 95%。
     将硫化锌精矿与软锰矿同时浸出,得到 Zn 和 Mn 溶液,锌和锰的浸出率分别97%和95%.
短句来源
     The recovery o f zinc Is 94.5%. The recovery of manganese is 93.6%.
     锌和锰的回收率分别为94.5%和93.6%。
短句来源
     The recovery of zinc Is 94.5%. The recovery of manganese is 93.6%.
     锌和锰的回收率分别为94.5%和93.6%。
短句来源
     The amounts of Fe,Zn and Mn in Cardiocrinum giganteum were determined by flame atomic absorption spectrometry. The method is simple,precise and sensitive with the RSD of(0.267%)—0.733% and the recoveries of 94.46%—99.53%.
     采用火焰原子吸收光谱法测定了大百合中的微量元素铁、锌和锰的含量,方法简单,精密度和灵敏度高,相对标准偏差为0.267%—0.733%,回收率94.46%—99.53%。
短句来源
     The amounts of Fe,Zn and Mn in liquorice were determined by flame atomic absorpt ion spectrometry. The method is simple,precise and sensitive with the RSD of 0.23 6%—0.718% and the recovery of 94.5%—99.2%.
     采用火焰原子吸收光谱法测定了甘草中的微量元素铁、锌和锰的含量 ,方法简单 ,精密度和灵敏度高 ,相对标准偏差为 0 .2 36 %— 0 .718% ,回收率为 94 .5 %— 99.2 %。
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  相似匹配句对
     ZINC
    
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     Results: The content of Mn is highest and the content of Zn,Cu is second ;
     结果:锰的含量高,、铜次之;
短句来源
     Study on Trace Elements Zn, Cu, Fe, Mn in Traditional Chinese Medicine
     中药微量元素、铜、铁、锰的研究
短句来源
     THE ABSORPTION AND DISTRIBUTION OF COPPER, ZINC, AND MANGANESE IN SOYBEAN
     大豆对铜、锰的吸收分配
短句来源
     Thus mancozeb must not be a Znand Mn compound of definite composition.
     代森锰不是锰的定组成化合物。
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  zinc and manganese
This experimental result indicated that the inhibitory effect of zinc and manganese on carcinogenesis was achieved by SOD and the elements might be considered a SOD activator.
      
The suboptimal zinc and manganese status observed in some of these test subjects probably arose from malabsorption and decreased availability of dietary zinc and manganese.
      
Zinc and manganese bioavailability from human milk and infant formula used for very low birthweight infants, evaluated in a rat
      
The bioavailability of zinc and manganese from diets used for very low birthweight infants was investigated in a rat pup model using radioisotopes.
      
The effect of protein source and content and of pasteurization was evaluated, and two different approaches for evaluation of zinc and manganese bioavailability in the rat pup model were compared.
      
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The main soil types in Sichuan Basin are paddy soil, purplish soil, yellow earth, yellow brown earth and brown earth. The soil samples of more than 620 sites were analyzed. The main results are summarized as follows: 1. The range and mean value of the total contents of Zn, B, Cu and Mn in the soils of Sichuan Basin are 37—400 ppm with an average of 112.8 ppm, 17—370 ppm with an average of 80.7 ppm, 9—125 ppm with an average of 33.0 ppm, and 41—1750 ppm with an average of 641 ppm respectively. It is obvious that...

The main soil types in Sichuan Basin are paddy soil, purplish soil, yellow earth, yellow brown earth and brown earth. The soil samples of more than 620 sites were analyzed. The main results are summarized as follows: 1. The range and mean value of the total contents of Zn, B, Cu and Mn in the soils of Sichuan Basin are 37—400 ppm with an average of 112.8 ppm, 17—370 ppm with an average of 80.7 ppm, 9—125 ppm with an average of 33.0 ppm, and 41—1750 ppm with an average of 641 ppm respectively. It is obvious that the total contents of B, Zn Cu in the soils of this region are higher than those in the soils of other regions in China. However, total content of Mn is lower than that in the soils of other regions in China. 2. The content of available trace elements varied greatly. The range and mean value of available B, Zn, Cu, Mn and Fe in the soils of Sichuan Basin are 0.01—1.61 ppm with an average of 0.23 ppm, 0.08—9.60ppm with an average of 1.45 ppm, 0.1—9.44ppm with an average of 2.53 ppm, 0.18—262.4ppm with an average of 27.8 ppm, and 0.86—401.4 ppm with an average of 61.1 ppm respectively. The content of available B in the soils of Sichuan Basin is very low (0.16—0.29 ppm), being much more below the critical value (0.5 ppm). Although the average contents of available Zn and Mn are slightly higher, but in the most of soils, especially the calcareous purplish soil, they are lower than the critical values. The contents of available Cu and Fe in the soils of Sichuan Basin are higher.The availability of trace elements in soils are influenced by many factors. The available trace element contents in the soils of Sichuan Basin are often varied with the soil types, increased with the lowing of soil pH and increasing of organic materials. At same time. the content of available trace elements (except B) in the paddy soil are higher than that in the upland soil derived from the same parent material.

四川盆地是一个古老的农业区,但其土壤中的微量元素,尚未曾作过专门研究。本文研究了四川盆地土壤中微量元素硼、锌、铜、锰、铁的含量分布状况和影响其有效性的某些因子。结果表明:各元素的总含量较高,但有效硼的含量很低,有效锌和锰的含量在多数土壤中亦较低,有效铜和铁的含量却较丰富。土壤中各微量元素的含量因土而异,其有效性受pH和有机质含量的影响,各有效态微量元素的含量均是pH<7的高,而pH>7则低,且与有机质含量呈显著正相关关系。水稻土中各有效态微量元素(除硼以外)的含量一般高于同母质发育的旱地。

A method for direct determination of zinc and manganese in the water by 1-(2-pyridylazo)-2-naphthol(PAN)-OP spectrophotometry has been developed. It is not necessary to separate and preconcentrate. Interference ion can be eliminated by adding masking agent. This method is simple and quick. The surfactant OP is used for solubilization in the colour reaction, not for sensitization. The analytical results of zinc are coincident with those obtained by anodic stripping voltammetry.

本文提出用PAN-OP分光光度法直接测度水中微量锌和锰。不需要分离和富集,加入掩蔽剂可消除干扰离子,方法简单方便。在本显色反应中表面活性剂OP的主要作用是增溶作用。增敏作用不明显,水中微量锌和锰的测定结果与阳极溶出伏安法的结果相吻合。

Seven trace elements (Zn, Cu, Fe, Mn, Cr, Se, Cd) and Mg contents in hair and serum of 210 healthy school children in wuhan were analysed by atomic absorption spectrophotometry except that Se content was determined by cathodic stripping voltammetry. Hair Cu content of males was Lower than that of females significantly. There were significant positive correlation between hair Zn or Mn content and age, and negative correlation between hair Cd content and age, respectively. These demonstrated that the requirements...

Seven trace elements (Zn, Cu, Fe, Mn, Cr, Se, Cd) and Mg contents in hair and serum of 210 healthy school children in wuhan were analysed by atomic absorption spectrophotometry except that Se content was determined by cathodic stripping voltammetry. Hair Cu content of males was Lower than that of females significantly. There were significant positive correlation between hair Zn or Mn content and age, and negative correlation between hair Cd content and age, respectively. These demonstrated that the requirements for tract elements were different with age. By comparing the school-aged group with the preschool-aged group and the adolescent group, the hair Zn content was related positively, and Cr and Se negatively, to age. The results by step-wise regression analyses showed that trace elements in hair and serum interacted each other, of which hair Zn content correlated posititvely to serum Zn content. There were correlations among height and hair Mn, Fe, and Zn contents, and between weight and serum Cu content. The results suggested that these elements could influence the developments of height and weight in some degree.

作者对武汉市210例7~12岁健康儿童头发和血清中锌、铜、铁、锰、铬,硒、镉七种微量元素和镁的含量及其影响因素进行了研究,其中硒采用阴极溶出伏安法测定,其它元素采用原子吸收光谱法。结果表明,发铜男低女高,性别差异显著;发锌和锰与年龄呈显著正相关,发镉则呈负相关,这种年龄差异反映出各年龄对微量元素的需要量不同;学龄期组与学龄前期组和青少年组比较,发锌随年龄增加而增加,发铬和硒随年龄增加而减少。逐步回归分析结果表明,头发和血清微量元素含量之间有一定关系,其中发锌与血清锌呈显著正相关;身高与发锰、发铁和发锌以及体重与血清铜之间存在一定的回归关系,提示这些元素对身高和体重发育有一定影响。

 
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