目的探讨正常胎儿器官组织和母血中多种常量元素的水平、分布以及元素间的关系。
Objective To study the contents, distributions and correlations of some macroelements in the organic tissues of healthy fetus and the maternal blood.
在X射线荧光分析过程中，由于分析样品中元素的母质来源及形成条件不同，存在明显的吸收增强-基体效应。
In XRF analysis process, the absorption intensification-matrix effect obviously exist, for the source and formation conditions of the analysed elements' parent materials are different.
本文讨论了影响北京土壤元素背景值的成土因素，主要有成土母质、生物气候、地貌、时间和人为因素。
The factors of soil formation affecting soil background contents of elements in Beijing area are mainly discussed in this paper.
通过添加硅锰母合金，将硅、锰这两种对氧亲和力较高的元素加入到烧结钢中，以改善烧结钢的力学性能。
The SM master alloy was used to add high oxygen affinity elements Mn and si into the sintered steel as alloying elements to improve the mechanical properties.
稳定元素比值和相容、不相容元素同等富集则表明它们是碳酸岩和硅酸盐混合的原始母岩浆液态不混熔的产物。
The stable element ratio of compatible and incompatible elements implies that they are liquid immiscible congeners coming from a primitive magma consisting of mixed carbonatites and silicates.
各元素在土壤剖面中分布状况与元素特性、母质，地形、气候以及地质淋溶和生物积累强弱有关。
The distribution of element in soil profile was related to the characteristics of elements, soil parent, topography, climate and intensity of geological leaching and biological accumulation.
观察了含硅锰母合金烧结钢的组织变化和合金元素锰、硅的分布情况。
The structural changes of silicon manganese containing master alloy and the distribution conditions of manganese and silicon components have been observed.
利用稀土元素和微量元素，分析鄂尔多斯盆地中部上三叠统延长组母岩类型和物源方向。
Rare earth elements (REE) and trace elements were used to analyse source rock and source direction of Yanchang Formation of the Upper Triassic in Ordos Basin.
分析结果表明，影响土壤元素背景值的主要因素，在平原地区是地貌条件，在山区是成土母质。
The results showed that the principal factors affecting the metal background contents were landforms for plain area and soil parent material for mountain area.
每个安全元素定义了仅在特定条件下，即当通过观察器检查时，才可见的一字母数字字符或其他独特图像。
Each secure element defines an alphanumeric character or other unique image that is visible only under certain conditions, i. e., when inspected through a viewer.
在固液反应球磨过程中，三元合金产物的元素摩尔比接近于二元母合金中的元素摩尔比；
The atom ratio of the ternary alloy was close to that of the binary alloy.
结果表明，原产地土壤与母岩的微量元素和常量元素在含量变化上呈现趋势一致性；
The results showed that the origin of trace elements in soil and rock elements, and constant changes in the content presented on trends in consistency;
结果表明，原产地土壤与母岩的微量元素和常量元素在含量变化上呈现趋势一致性；
The results showed that the origin of trace elements in soil and rock elements, and constant changes in the content presented on trends in consistency;
应用推荐