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1·Trace elements in soil of Tumotezuoqi were similar to the background levels of elemental composition of soil in the world.

土壤中微量元素的含量与世界土壤背景值相似。

2·The elemental composition and valence state of the elements and their changes with the variation of depth were investigated by mains of XPS.

用XPS研究了渗硼层磨损表面的成分、元素价态及其随深度的变化。

3·Elemental composition analysis, proximate fuel analysis and fuel composition analysis of sawdust briquette fuel were done in the experiment.

试验分别对木屑致密成型燃料进行了元素分析、工业分析和燃料组成分析。

4·The elemental composition and the temperature of thermal explosion are principal factors to influence the reactions and morphology of the products.

体系成分和热爆温度是影响反应及产物形态的主要因素。

5·Firstly, they were identified by authors as ultra microfossils instead of ultra microbes based on their morphology, structure and elemental composition.

首先，它们是笔者根据形态、结构和元素成分作为超微生物化石进行鉴定的。

6·The PET fibers are treated by cold plasma technology and the elemental composition and the type of functional groups of the surface of PET was analyzed by ESCA.

采用冷等离子体技术处理涤纶纤维，利用ESCA分析了冷等离子体处理前后的纤维表面元素组成、官能团类型的变化。

7·It has been found that the new elemental composition in extrusion moulding is epoxy and paraffin. and the precision zirconia ceramic ferrules have been obtained.

获得了环氧树脂和石蜡两种新的二氧化锆成型配方。

8·Elemental composition can vary within the same copper-ore lode, usually because of varying admixtures of other elements, especially iron, lead, zinc, and arsenic.

即使在同一铜矿矿脉中，元素构成也会发生差异，这一般是因为其它元素，尤其是铁、铅、锡、和砷等程度不同的混合。

9·The relative atomic percent contents (A. C. %) of the golden film calculated at the constant elemental composition section on the AES profile curves were O 56.9%;

从AES深度分布曲线的组成恒定区求得各组成元素的相对原子百分浓度（A.C。%）为：O 56.9%；

10·Objective: To evaluate the influence of air oxidation, anodizing and tin coating sample on elemental composition and thickness of surface film of cast pure titanium.

目的：评价大气热氧化、阳极氧化和氮化钛镀膜对铸造纯钛表面膜组成和厚度的影响。