测定了选矿试验中大批量样品二氧化硅含量。
Silicon dioxide content of the multitudinous samples in the ore dressing test was assayed.
定量测定了21种苏里南商用木材的灰分及二氧化硅含量。
The ash and silica content of 21 species of commercial woods of Surinam have been quantitatively determined.
随着二氧化硅含量的增加，直径变细，纺锤形珠节结构增加。
With increasing of silica content, fibers diameter became fine and spindly beads increased.
随着二氧化硅含量的增加，纤维直径变细，纺锤形珠节结构增多。
With increasing of silica content, fiber diameter became fine and spindly beads increased.
由于石英碎屑岩的强度高、硬度大和二氧化硅含量高，造成机械加工设备磨损严重。
The equipment was heavily damaged due to wearing of the quartz-clastic rock with high strength, high hardness and great content of SiO_2.
作业场所粉尘中二氧化硅含量、粉尘粒径、分散度等是直接影响人体健康的重要指标。
The content, granule diameter and dispersivity of silicon dioxide in the dust of working places in power plants are very important indices, which may directly affect the health of workers.
所采用的石英结晶二氧化硅含量高达并在制造过程中去杂提纯，不含任何能导致辐射的重金属成分。
Quartz crystal silica content by up to 99.9%, and in the manufacturing process to the complex purification, does not contain any can cause radiation metal components.
结论硅粉生产由于粉尘中游离二氧化硅含量高、粒度细、致肺纤维化作用强，是一个职业病危害极大的行业。
Conclusions high content of SiO2 and the tiny granule in the dust has strong effect on inducing the pulmonary fibrosis. Thus quartz powder processing was a high occupational hazard industry.
本文介绍了应用X射线衍射仪测定矿山呼吸性粉尘中游离二氧化硅含量的基本原理、实验条件以及操作过程、方法步骤等。
Basic principle, experiment condition, operating process, method and steps of X-ray diffraction method to determine free silica content of respirable dust in mines are introduced in this paper.
我国接触二氧化硅粉尘作业人员较多，矽肺病患者数字较大，因此，加强对粉尘中游离二氧化硅含量的检测是一件非常重要和紧迫的工作。
It is already determined that free silicon dioxide for dust not only is the main causeation for silicosis, but also is the major targets or q.
本法测定锰矿标样（冶金部标准样品505）中二氧化硅含量，其测定结果的相对标准偏差RSD为1.08%，测定平均值为33.93%（标样推荐值为33.58%）。
The standard sample(metallurgy department standard sample 505)was measured by this method with the RSD of 1.08% and the mean content value of 33.93%(recommendation value of standard sample is 33.58%).
德州大学地质教授Robert B.Finkelman(该项研究的其中一位作者)说：“该地区的煤的二氧化硅的含量比我们所分析过的99%的样板都要多。”
“There is more silica in this coal than in 99.9 percent of all the samples we analyzed, ” said an author of the study, Robert B. Finkelman, a professor of geology at the University of Texas at Dallas.
主要探讨了二氧化硅及硫酸含量、温度等因素对胶体电解质物化性能的影响；
The factors influencing gel electrolyte performance such as the content of silica and sulfuric acid and the temperature are mainly discussed.
通过对比试验发现：测定炭素材料中二氧化硅的含量，熔融法的分析结果比氢氟酸法更稳定、准确；
The comparative tests show that the content of silicon dioxide in carbon materials determined by the melting method (MM) is more stable and accurate than the hydrofluoric acid method (MHA);
扫描电镜分析结果表明，杂化膜的微观相结构与二氧化硅的含量、偶联剂的加入有关。
SEM analysis reveals that the amount and structure of the coupling agent, the structure of PAA and the content of SiO 2 all affect the microstructure of the hybrid films.
通过控制反应条件，可以调控载银二氧化硅的银含量。
The effect of the reaction conditions on the silver content of SiO2/Ag composites was also studied.
研究了各种因素对高纯二氧化硅中杂质含量的影响。
The factors influencing the purity of the title product have also ho investigated in the article.
其中二氧化硅和石墨双分散型的几种油样的抗磨性能极其近似，说明抗磨性能与粒子含量无关。
The results indicates that two-phase lubricant has better antiwear properties than pure liquid one, and anti-wear properties of the oil sample mixed SiO2and graphite are resemble basically .
其中二氧化硅和石墨双分散型的几种油样的抗磨性能极其近似，说明抗磨性能与粒子含量无关。
The results indicates that two-phase lubricant has better antiwear properties than pure liquid one, and anti-wear properties of the oil sample mixed SiO2and graphite are resemble basically .
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