The results show that the hardness, density and wear resistance are the best when Cr content is 0.6%.
结果表明，在铁基粉末中加入0.6%铬时，该粉末材料的硬度、密度和耐磨性最好。
The instrumental neutron activation analysis was used to determine Cr content in chromium-rich yeast cells.
利用中子活化分析法对富铬酵母中的铬进行了测定。
The spinels in pyroxenite xenoliths are aluminum spinel with higher Al content and lower Cr content and green in color in thin sections.
辉石岩中尖晶石在薄片下呈绿色，为铝含量高、铬含量低的铝尖晶石；
The result showed that, hair-Cr content in Fuzhou area is obviously higher than that in other two areas, and has very significant difference.
结果表明：福州地区发铬值高于其它两地区，并有非常显著性差异。
The results show that with the increase of cr content, the flexural strength and density of the composite increases first and then decreases, the hardness improves.
结果表明，随着铬含量的增加，复合材料的密度和抗弯强度先增大后减小，硬度逐渐升高。
According to the analysis of EIS the weathering steel with high Cr content was cov-ered by a more compact and effective corrosion product film with higher resistance to ions migration.
电化学阻抗谱分析结果则显示高铬耐候钢具有较致密有效的腐蚀产物膜，抵御离子传导能力增强。
The method of measuring c, s, p, Mn, Si, Cr, Ni, Mo, V, W, ti, Nb, Al element content by DV-4 photoelectric spectroscope on one condition is introduced.
介绍了应用DV - 4光电光谱仪，仅用一种测定条件，测定高合金钢中碳、硫、磷、锰、硅、铬、镍、钼、钒、钨、钛、铌、铝元素的含量的方法。
The results show that only vanadium carbides form at the low carbon content, and Cr and Mo element mainly dissolves into vanadium carbides.
结果表明：碳含量较低时，仅形成钒的碳化物，铬、钼元素主要固溶于钒的碳化物中。
Methods the atomic absorption spectrophotometry (AAS) was used to determine the content of Pb, Cr, as, Hg and Cu in decoction and artificial gastric juice of Fluorite.
方法采用原子吸收分光光度法对紫石英在水煎液和人工胃液中铅、镉、砷、汞、铜的含量分别进行测定。
Zn content was low and no Cu, Se, Cr, As, Pb, and Hg were found in all the waterworks′ samples we determined.
两种水源中锌的含量均不高，所有水厂出厂水中硒、铜、铬、砷、铅、汞均未检出。
The concentration of Cr(III)is easily controlled in optimal range by adding a proper amount of oxalic acid when Cr(III)content is low.
三价铬含量偏低时，根据计算加入适量草酸即可很方便地将其控制在最佳范围内。
Objective: To explore the relationship between poor vision of children and the content of Zn, Fe, Cr, Cu in their hair.
目的：探讨学龄儿童头发锌、铁、铬、铜含量与视力低下的相关性。
The content of Cr, Mn, Zn, Cu, Fe, Mg, ca in the cancer tissue and its peripheral tissue from 38 cases with large intestine carcinoma was determined by atomic absorption spectrometer.
用原子吸收光谱法测定了38例大肠癌组织及其边缘组织中铬、锰、锌、铁、镁、钙、铜的含量。
The content of valuable metal, such as Ni, Cr, and fe in residual liquors can be doubled after evaporation treatment. This will be in favor of the effective use.
蒸酸后残液中的镍、铬、铁等有价金属元素含量可提高一倍以上，为其综合利用奠定了基础。
The content of Cr is high in the tanning waste water. It will get rise to serious pollution if the waste water was not treated and drained off.
铬鞣废水中铬含量很高，若直接排放会造成严重的污染。
The result showed that waste compost could decrease the content of available Cr notably; waste compost could make water soluble Cr change into crystalline-precipitated Cr;
结果表明，垃圾堆肥可显著减少铬污染土壤中有效铬含量，垃圾堆肥主要是促进水溶态铬向结晶形沉淀态铬转化；
The content of as, Cd, Cr in the waste slag is also higher with heavy toxicity, which imposed a threat to surrounding environment.
废渣中as、Cd、Cr等金属含量亦相对较高，它们均具有较高的毒性，对周围环境形成威胁。
Results show that the supersaturated solidification Cr-content increases in the rapidly quenched alloys induced the great increase of vacancy density and production of vacancy plates.
结果表明，该合金经急冷处理后由于过饱和固溶铬含量的增加，导致空位浓度显著提高与空位盘的产生。
During the initial stage of oxidation, Cr decreased Fe content in the oxide scale, by which the selective oxidation of Al was promoted.
铬降低了氧化膜内的铁含量，提高了初期氧化膜的保护性，从而促进选择性氧化铝膜的形成。
Finally, the content of the whole dissertation is summarized and some valuable research directions of UWB-CR are also discussed.
论文最后对全文进行了总结，并对与论文研究方向相关的领域进行了展望。
A process of Cr electroplating at room temperature with low chromic anhydride content was proposed.
提出了一种常温低浓度镀铬工艺。
The effects of factors such as curing system, blending ratio, the kinds and content of fillers on the mechanical properties of CR/CM vulcanizates were also studied.
实验结果表明：与噻二唑类硫化体系相比，硫脲类硫化体系硫化的橡胶具有较大的拉伸强度、撕裂强度和断裂伸长率。
The relation of the microstructures and the properties in aspect of retained austenite(Ar) , undissolved carbide(Cr) and martonsite tempered content has been analyzed.
并从残余奥氏体、未溶碳化物和马氏体回火程度几个方面分析了组织和性能之间的关系。
The dimethylglyoxime photometry can be used to determine the nickel content of Ni-Cr porcelain alloy, and better results were achieved in this res...
丁二酮肟光度法可直接测定镍铬烤瓷合金中的镍，该方法简便、快速、结果可靠。
The dimethylglyoxime photometry can be used to determine the nickel content of Ni-Cr porcelain alloy, and better results were achieved in this res...
丁二酮肟光度法可直接测定镍铬烤瓷合金中的镍，该方法简便、快速、结果可靠。
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