Climate and land use are important factors in trace element distribution.
气候和土地利用是影响地下水中微量元素分布的主要原因。
Essential trace element is indispensable in maintaining body health.
必需微量元素在维持机体健康方面是不可或缺的。
Therefore, the adjustment of farming according to soil characteristics and local conditions is the key to soil trace element management.
因此，根据土壤性质，因地制宜地采取合理的土壤管理措施，是农业生产过程中改善土壤微量元素管理的关键。
Selenium is a trace element essential to human body.
硒是人体必需微量元素。
For trace element analysis, storage of organic solvents.
用于痕量元素分析，存储有机溶剂。
Returns a string representation of this stack trace element.
返回当前堆栈跟踪元素的字符串形式。
Selenium is a kind of necessary trace element to living beings.
硒是生物的一种必需微量元素，它与工农业生产及人类健康关系密切。
The regularity of random error of trace element analysis is discussed.
本文讨论了痕量元素分析中随机误差的规律性。
Selenium is a required nutrition trace element for human body and animal.
硒是人畜必需的营养性微量元素。
Iron is an indispensable trace element which is easily deficient in human body.
铁是人体必需的和易缺乏的微量元素。
The trace element has an important function for the growth of cultivated Rheum.
微量元素对于种植青海大黄的生长发育有着重要作用。
Objective To study on the relation between trace element in hair and hypertension.
目的探讨原发性高血压与头发中微量元素的关系。
The trace element fertilizer rich in silicon was made and tested on the rice, sugarcane and peanut.
使用自制的富硅微量元素肥料对水稻、甘蔗、花生进行实验。
Methods: to determine the contents of 14 sorts of trace element in Fanbai Grass by atomic spectrometer.
方法：用原子吸收分光光度法测定了翻白草14种微量元素的含量。
Chromium is an essential trace element for organism and the essential ingredient to keep GTF's activity.
铬是人和动物所必需的微量元素，是GTF(葡萄糖耐量因子)的必要活性成分。
The trace element content of 240 children with repetitive respiratory infection was detected and studied.
检测了240例反复呼吸道感染患儿血微量元素含量。
This ophiolite has higher REE and trace element abundances, suggesting it was derived from the enriched mantle.
该蛇绿岩有高的稀土和微量元素丰度，表明其来源于富集地幔。
This formula shows the connection of detect limit, content and random error in different trace element analysis.
数学表达式表明了检出限、含量和随机误差的关系。
The prospect and problems of speciation analysis of trace element in Traditional Chinese Medicine were also discussed.
探讨了中药中微量元素形态分析方法的前景及存在的问题。
The high pressure source mineralogy signaled by Andean adakite trace element characteristics originates in three ways.
由这种岩石的痕量元素特征揭示的高压组成矿物，表明其有三种可能的成因。
The sewage irrigation still is the major influencing factor on soil trace element variation during the agriculture production.
污水灌溉仍是农业生产中土壤微量元素变化的主要影响因素。
The Al, Pb, Cu, Cd, Fe, Sn etc trace element in the electrolytic zinc were accurately and quickly measured by using ICP-AES method.
采用ICP—AES法准确、快速地测定电锌中的铝、铅、铜、镉、铁、锡等微量元素，并对方法的准确度和精密度进行了检验。
Therefore, the element ratios can be applied to the study of trace element characteristics of rocks in the tholeiite source region.
因此研究拉斑玄武岩源区岩石中的微量元素特征可以采用元素比值的方法。
However, neither major element nor trace element geochemical characteristics can be explained by a simp le model of magmatic origin.
但是，无论是主元素还是痕量元素地球化学特征，均不能用单一的岩浆成因模型得到解释。
Using chemical addition method to calibrate absorption effect, trace element in human hair are analyzed with X-ray fluorescence (XRF).
通过化学加入法校正吸收效应，采用X射线荧光分析法（XRF）分析人发样品，确定人发中微量元素的含量。
Objective To observe the impact of trace element changes on hair structure by testing the hair of children with abnormal trace elements.
目的对微量元素异常患儿的头发进行检测，观察微量元素变化对头发结构产生的影响。
And according to the mineral composition, chemical composition and trace element content, the evolution series of the magma is redefined.
并依据各单元的矿物成分、化学成分、微量元素含量的变化，重新厘定了岩浆的演化顺序。
The spider diagram of trace element ratio and the REE distribution patterns show the characteristics of the island arc calc alkaline series.
微量元素比值蛛网图和稀土元素配分型式具有岛弧钙碱性玄武岩的特征。
The spider diagram of trace element ratio and the REE distribution patterns show the characteristics of the island arc calc alkaline series.
微量元素比值蛛网图和稀土元素配分型式具有岛弧钙碱性玄武岩的特征。
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