Differences in the concentration of trace elements are related to the climatic conditions and land use of the area.
不同地区地下水的微量元素浓度差异与气候状况、土地利用程度密切相关。
The crust elements had the highest concentration when all kinds of sand weather happened.
各种沙尘天气发生时，均以亲地元素的浓度为最高。
The fundamental parameter method of X-ray fluorescence analysis has many advantages, such as no concentration range limitation of elements, dispensability of standard samples and so on.
本文叙述了利用基本参数法校正源激发合金元素荧光分析的基体效应的基本原理、基体效应的修正方法。
Optimum measuring wave length was selected. The effect of acidity, concentration of citric acid and chromogenic agent, temperature and interfering elements on the measurement was studied.
优选出最佳测量波长，研究了酸度、柠檬酸浓度、显色剂浓度、温度及干扰元素对测量的影响。
Market concentration is one of the key elements in the theory of industrial Organization.
并分析了我国汽车产业市场集中度的影响因素。
The system model, analyzes relational value of concentration of various elements in oil, which is used to conclude engine condition and elemental grouping.
系统模型用该方法分析油液中各元素的浓度关联度，从而判别发动机的工况和元素分组。
This paper focuses on the functions of the elements such as the pH of solution, dosage of extraction solvent, dosage of salt, concentration of polymer, time of extraction.
主要讨论了溶液酸度、萃取剂用量、盐用量、聚合物浓度、萃取时间等因素的影响。
While the discontinuousness of liquids in RPB is considered, calculation is much more reduced by classifying liquid elements and averaging concentration in this mathematical model.
该模型在考虑填充床内液体微元不连续的同时，将液体微元进行分类并对浓度平均。
The quantitative analysis of uncentrifuged samples in a larger scope with microscopy can reflect the actual concentration of formed elements in the sediments more accurately.
未离心多细胞数量的镜检定量能较准确反映沉渣有形成分的实际浓度。
These multiple thermal reworking events led to the reactivation and concentration of ore-farming elements.
这些多期热改造事件，使成矿元素具备活化富集的条件。
In this paper, concentration, speciation, bioavailability, distribution, and mobility of rare earth elements (REEs) in the soil, as well as some relating facto rs were reviewed.
综述了土壤中稀土元素含量、稀土赋存形态、稀土生物有效性、稀土在土壤环境中的分布规律、迁移方式及其影响因子。
The interference effects of matrix element Fe and high concentration elements Nd, Dy, Co, B on impurity elements were studied.
研究了基体元素铁、主量元素钕、镝、钴、硼对杂质元素的光谱干扰情况；
The thickness of steel elements with high stress concentration is a very important factor for brittle fracture. Its effects depend on the complex stress state for the stress concentration area.
含高应力集中钢结构构件的厚度是影响其发生脆性破坏的一个重要因素，它的影响是和其应力集中区的复杂应力状态相联系的。
Optimum measuring wavelength was selected. The effect of acidity, concentration of chromogenic agent, and interfering elements on the measurement was studied.
优选出最佳的测量波长，研究了酸度、显色剂浓度及干扰元素对测定的影响。
The influence of extracting medium, the acidity of sample, concentration of reductants, coexisting elements and carrier flow rate were studied and optimized.
研究了不同萃取介质、酸度、还原剂浓度、共存元素以及载流流速对氢化物发生的影响。
The research on low-concentration was introduced for property mini-experiments of metal elements in this paper.
本文介绍了金属元素性质微型实验的低浓度化研究情况。
Vitamin D3 and Zn etc. : They can keep the concentration balance of elements in blood activate zymogen and lower hazards of vascular diseases.
维生素d3、锌等：维持血液元素浓度平衡，激活酶原，减少血管健康危险因素。
An improvement on the method is made by using concentrated water sample in order to increase the concentration of trace elements in the samples.
该文对这一方法进行了改进，采用浓缩水样以提高待测元素的含量，并加入二氯化钙作为释放剂来消除硅的干扰。
The concentration of radio-elements in building materials and its components are important in assessing population exposures, as most individuals spend 80% of their time indoors.
建材及其组件的无线电元素浓度在人口风险评估是重要的，因为大多数人花费80％的时间是在室内。
In developing conceptual watershed concentration models, it is a key to select a proper type of conceptual elements and make arrangement of them.
概念性元素的选择及其排列组合方式是建立概念性流域汇流模型的关键性问题，因此比较概念性元素之间的差异具有十分重要的意义。
The morphology and distribution of the precipitates depended on the concentration of solute elements.
在溶质元素浓度高的区域先析出含有大量溶质元素白色块状相；
The high concentration of substitutional elements in ferrite results in distorting lattice of ferrite and thus the diffraction peaks of ferrite deviate to little Angle.
代位元素在铁素体中的固溶，导致了铁素体晶格的畸变，进而引起了衍射峰向小角度方向漂移。
Relationship between the concentration-area and the perimeter-area for the isopleth of elements.
图2浙江省诸暨幅元素等值线的周长与面积的分维关系 Fig。
Relationship between the concentration-area and the perimeter-area for the isopleth of elements.
图2浙江省诸暨幅元素等值线的周长与面积的分维关系 Fig。
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