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- ratio of silica to alumina 硅铝比
- The thermal and hydrothermal stability of MSU-2 increased with the increasing silica to alumina ratio,the MSU-2 has a matchable thermal stability with NaY zeolite,and a matchable hydrothermal stability with HZSM-5 (n(SiO 2)/n(Al 2O 3)=38) zeolite. 实验结果表明 ,中孔分子筛MSU -2热稳定性与NaY分子筛相当 ,水热稳定性与HZSM -5 (n(SiO2 ) /n(Al2 O3 )为 38)相当 ,随着n(SiO2 ) /n(Al2 O3 )的增大 ,MSU -2的热和水热稳定性增强 ;
- The ratio of students to teachers is 35:1. 学生和老师的比率是三十五比一。
- The ratio of schoolboys to schoolgirls is 2 to 1. 男学生和女学生的比例是2比1。
- DSVM is applied in soft sensing for ratio of soda to alumina (RSA) in the process of (high-pressure) digestion of alumina. Simulation result shows that the method possesses high precision and can meet actual demands. 最后将DSVM应用于氧化铝高压溶出过程苛性比值的软测量;现场数据的仿真结果表明该方法具有较高的精度;能满足实际生产的需要.
- Men outnumber women here in the ratio of three to one. 此地男子数量以三比一超过女子。
- The ratio of men to women was two to one. 男女的比例是二比一。
- The ratios of 1 to 5 and 20 to 100 are the same. 1与5之比和20与100之比相同。
- Exhibiting a high ratio of output to input. 功效大的产出与投入比值高的
- A variety of silica that contains microcrystalline quartz. 燧石含微小晶状的石英的各种硅石
- The ratio of hits to misses for the cache. 缓存命中数和未命中数的比率。
- Length to diameter ratio of flexspline. 柔轮长度与内径之比。
- Ratio of lift coefficient to drag coefficient. 升力系数与阻力系数的比值。
- Preparation of Silica Antireflective Coating for UV-Laser[J]. 引用该论文 张林;杜凯;周兰;涂海燕.
- The male to female ratio of cases was 3:1. 病例的男女比例为3:1。
- Ratio of 5 to 10 equal to ratio of 1 to 2. 5与10之比，相当于1与2之比。
- Beneficiation removes clay and silica to considerable extent. 富集操作除去粘土和硅石达到相当高的程度。
- The ratio of absorbed to incident radiation. 吸收比吸收投射的辐射线的比率
- The progress of synthesis of silica alumina catalysts with the range of the pore diameter increases from micropore to mesopore and the application of sol\|gel method are reviewed. 本文综述了硅铝催化材料合成方面的最新进展即所合成的催化剂的孔径从微孔向中孔发展以及利用以溶胶-凝胶法为代表的新制备技术。
- The ratio of pupils to teachers was 30 to 1. 学生和老师的比率是30比1。
