The cutting features of composite matrix sawblades with different diamond mixture ratios are studied by production test.
通过生产试验研究了不同金刚石配比复合基圆锯片的切割特性。
It introduces the test of smelting SiCaBa alloy in calcium carbide furnace, and focuses on the effects of some burden ratios and charging styles to the alloy's composition.
介绍了在电石炉上改炼硅钡钙的试验情况，着重阐述了几种配比及加料方式对合金成分的影响。
Methods The test group and control groups' expression of MMP-2, TIMP-2 were detected by immunohistochemical method, then the ratios of MMP-2/TIMP-2 were calculated.
方法应用免疫组化的方法检测新辅助化疗组和对照组肺癌组织中MMP—2和TIMP—2蛋白的表达，并分别计算其表达比率。
The results of mechanical test show that is bending strength, toughness against impact and void ratios can be improved after the rich iron matris is added with rare earth.
力学性能测试结果表明：添加稀土的富铁胎体及其金刚石复合材料的抗弯强度、冲击韧性和孔隙度均有明显的改善。
The variable parameters considered in test beams are the layers of GFRP sheets, the bond lengths and the reinforcement ratios.
试验的变化参数为GFRP布层数、粘结长度及配筋率。
One method to test whether life produced this methane is by measuring isotope ratios.
一种检测甲烷是否是由生命制造的方法是同位素比测试。
This paper analyzes the data of pollutant emissions from burning mixtures of petroleum coke and oil shale at different ratios in a 1 MW CFB test burner.
将石油焦和油页岩以不同比例混合的混合燃料在1MWCF B试验台上进行燃烧试验，并对烟气污染物排放数据进行分析。
The test result shows that the focused width of sample flow changes with the different velocity ratios of sheath flow and sample flow.
实验测试发现随着鞘流与样本流流速比不同，得到样本流的聚焦宽度也不同。
The first ten natural frequencies, damping ratios and mode shapes of the dam were measured through steady forced vibration test using multiple vibrators.
用多台起振机进行稳态强迫振动试验，测定了该坝前十阶自振频率、阻尼和振型。
To improve testing data compression ratios, a test-bit-rearrangement algorithm and an end-flag alternation-run-length code scheme are proposed based on the characteristics of precomputed test sets.
为了提高测试数据压缩率，根据预先计算测试集的特点，文章提出了一种测试位重组算法和端标记交替-连续编码方案。
Abstract: This paper discusses the test problem concerning ratios of two normal density functions.
摘要：本文讨论对两样本正态分布密度比的假设检验。
Abstract: This paper discusses the test problem concerning ratios of two normal density functions.
摘要：本文讨论对两样本正态分布密度比的假设检验。
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