利用气固两相流颗粒间应力与空隙率之间的定量关系,推导了火工药剂压药压力与装药密度之间的定量关系。
Based on stress and cavity relationship of particles in gas-solid two phase flow field, quantitative correlation of pressure and density of pyrotechnic charges was deduced.
无论采用容积法还是重量法测量吸附平衡,准确计算气相氢密度对于实验结果的可靠性是至关重要的。
Accurate determination of the gas phase density is very important for the reliability of adsorption measurements in both volumetric and gravimetric methods.
采用了体积守恒形式的连续性方程,以防止由于气液两相密度差大而引起的数值求解中的不收敛现象。
The continuum equation with conserved volume type was used to avoid divergence because of the big difference in density between gas and liquid.
本文研究了用热灯丝化学气相沉积方法在单晶硅衬底上制备金刚石薄膜时其成核密度与制备条件的关系。
In the present paper, the relation between diamond nucleation density and synthesis conditions is studied for the diamond thin film synthesized by hot filament chemical vapour deposition method.
本文采用气相色谱法测定肉和肉制品中西玛津残留量,本方法简单、快速,精密度及准确度良好。
Simazine residues in meat and meat products for export were detected by GC, and the method is simple, rapid and has good precision and accuracy.
文章分析了气相色谱检测煤气热值组分的准确度和精密度,并对气体组分多点校正标准曲线进行了研究。
This paper intends to research about the veracity and precision of the multidimensional analyzing system; multi-level calibration was also been studied in this paper.
难分离对的分离度均大于1.5。精密度、准确度均满足气相色谱分析的要求。
It's accuracy and precision, and could be met the general requirements. The resolution was more then 1.5.
本文采用气相色谱法测定松籽油中松油酸含量,本方法简便、快速、准确、精密度高。
Pinolenic acid in pine nut oil for export were detected by GC, and the method is simple, rapid and has good precision.
在近场区域,密度大的玻璃微珠对气相湍流度的增强作用高于密度小的聚苯乙烯颗粒;
In the near-fields, the gas-phase turbulence intensities are augmented more by glass particles with larger density than polyethylene particles with smaller density.
分别研究了不同注入压力和注入气量下,细管中注气混相驱前缘和过渡带中气液两相的界面张力、组成、密度、粘度及饱和度的变化情况。
Study on interfacial tension, composition, density, viscosity and saturation of gas pha - se and liquid phase front in the slim tube under various injection pressures and injection rate.
考察了HJ - 2 0 - 2气相防锈剂的溶解度、熔点、堆密度等物理化学性能。
The solubility, melt point and density of HJ-20-2 vapor phase inhibitor are investigated.
在颗粒雷诺数较小范围内,针对不同密度材料颗粒对气相湍流的调制规律进行了实验研究。
This article makes an experimental study of gas-phase turbulence modulation by particles with different material density in small particle Reynolds number range.
不同密度材料的颗粒对气相平均速度的调制作用差别不明显,但对气相湍流度的调制作用显著不同。
It is found that particles with different material densities have the same influence on the mean decaying velocity, while they have different influences on the turbulence intensity.
前言: 研究了大气中低分子量醇类化合物的气相色谱测定方法,进行了线性范围、精密度和准确度实验。
Based on gas chromatography a method was established to assay alcohols in air. The linearity, precision and accuracy were tested. It has been proven to be a simple and easy to operate analytic method.
以压缩空气为输送介质,粒径相同而密度不同的小米和空心玻璃珠为输送物料,在水平变角度Y型分支管气力输送试验台上对气固两相的流量分配特性进行了研究。
By using compressed air as conveyance power and millet as a transport medium in horizontal Y-shaped branch pipes, the solid flow distribution characteristics of the above pipes were studied.
以压缩空气为输送介质,粒径相同而密度不同的小米和空心玻璃珠为输送物料,在水平变角度Y型分支管气力输送试验台上对气固两相的流量分配特性进行了研究。
By using compressed air as conveyance power and millet as a transport medium in horizontal Y-shaped branch pipes, the solid flow distribution characteristics of the above pipes were studied.
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