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- P, Cu and Zn in the various manures are mainly present in extractable forms with high bio-availability. 畜禽粪中磷、铜和锌主要以可提取态存在，具较高的生物有效性；
- Because of alkaline calcareous nature of soils, availability of micronutrient is a problem, particularly Zn in rice soils, Cu and Zn in citrus and Fe in apples. 因碱性石灰性土壤的特性，微量养分有效性不高，特别是水稻土中缺锌，柑桔园中缺铜缺锌和苹果园中缺铁。
- The difference between the highest and the lowest Cd concentrating coefficients was 315 times, much higher than those for Cu and Zn. 蔬菜对镉的富集系数的品种间差异最大,达315倍,远高于锌和铜的富集系数的品种间差异。
- The results show that the spectrum intensity of the elements Ba, Cu and Zn increases obviously with increasing the solution temperature. 实验结果表明,随着溶液温度的提高,元素钡、铜和锌的谱线强度有明显的增强。
- It was found that NaF could significatly lower the contents of Fe, Cu and Zn, but Se could promote the utilization of Fe, Cu and Zn. 结果发现Fe、Cu、Zn的含量明显下降或有下降趋势，而Se能抑制其下降。
- Benthons have not been polluted by heavy metals, but the concentration of Cu and Zn in crustacea and mollusc has potential serious accumulation problems. 利用2000年3月大亚湾环境现状调查的资料,对大亚湾底栖生物体中残毒量进行现状与历史资料比较分析,评价底栖生物受重金属污染的程度及其食用质量。
- The effects of amendments on availability of Cu and Zn in soils were researched,which in order to provide certain sig-nificance for amending combined contamination soils. 研究了改良剂对土壤铜锌有效性的影响,以期对重金属复合污染土壤的修复有一定的指导意义。
- This paper summarizes the research method of Cu and Zn isotopes,and the factor affecting isotope fractionation and its application in environment geochemistry. 本文对铜锌同位素的测试方法、分馏机理及其在环境地球化学研究领域的应用进行了较系统综述。
- Result of experiment indicated that:1) Significant interactive effects of the soil available value of P, K, Fe,Cu and Zn determined by the method of ASI and of conventional analysis ,were obtained from the experiment. ASI法土壤有效P、K、Fe、Cu、Zn、Mn测定值与常规化学分析方法土壤有效P、K、Fe、Cu、Zn、Mn测定值之间相关性显著。
- Furthermore,the available Cu and Zn(besides BDM) were increased,whereas available contents of Fe,Mn were obviously lower than contrast; pH (besides CS) was increased,EC(besides BDM) was declined. 此外,铜制剂的施用增加了土壤中有效铜、锌(BDM除外)含量,而有效铁、锰含量降低。
- Generally,except for the second crop,mean As,Pb,Cr,Cu and Zn contents of BP in various crops increase with the increasing application times of chicken manure,mean Cd contents decrease. 除第2茬因产量稀释作用影响外;不同茬别所有处理菜心As、Pb、Cr、Cu、Zn平均含量随施用茬数增加而提高;Cd平均含量则下降.
- Based on parameters of statistical analysis and absorption coefficients, levels of Cu and Zn contents were described quantitatively, and abilities of absorption and enrichment were also presented. 利用统计分析及吸收系数等参数，定量描述了植物、土壤中铜、锌含量水平，描述了植物对土壤中铜、锌的吸收及富集能力。
- In the present work, samples of airborne PM were collected in different site and with different size, and the X-ray absorption near-edge structure (XANES) spectra of Cr, Mn, Cu and Zn were measured. 本工作采集了不同地点和不同粒径的大气颗粒物样品,测定了样品中铬、锰、铜和锌的X射线吸收近边结构(XANES)谱,利用该谱分析了这些元素在颗粒物中的种态。
- Furthermore,the available Cu and Zn(besides BDM) were increased,whereas available contents of Fe,Mn were obviously lower than contrast;pH (besides CS) was increased,EC(besides BDM) was declined. 此外,铜制剂的施用增加了土壤中有效铜、锌(BDM除外)含量,而有效铁、锰含量降低。
- Cu,Fe and Zn have no obvious relevance to age. 血铜、铁、锌含量不存在显著年龄相关性。
- Electrowinning Cu and Zn from a Strong Copper Cyanide Solution 从高铜氰溶液中电积铜和锌
- Change of Pb, Cd, Cu and Zn during the Pig Manure Composting 猪粪堆制过程中铅、镉、铜、锌的变化
- ELASTIC SCATTERING OF 6.8 MEV PROTONS BY Cr, Co, Ni, Cu AND Zn 8MeV质子对Cr,Co,Ni,Cu,Zn的弹性散射
- Determination Of Ca,Mn,Fe,Cu and Zn in Tea by EDXRF Mcthod 能量色散X荧光法测定茶叶中的微量元素
- Determination of Ca,Fe,Cu and Zn Content in Hair by EDXRF Method EDXRF法测定人发中Ca、Fe、Cu和Zn的含量
