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- But the sustained release effects are different,when the composition ratio of the system, entrapment quantity of the drug a... 但随着体系组成配比、药物包封量以及环境的不同,其缓释效果有所不同。
- The advance in the investigation on the raw materials, synthesis methods and technology, and the composition ratio of polyurethane elastomers are introduced in this paper. 摘要从聚氨酯弹性体的原料、合成方法、合成工艺、原料配比等方面介绍了聚氨酯弹性体力学性能的研究进展。
- By using single sweep oscillopolarography, the composition ratio of the adsorptive bady has been determined to be La: Zn: ARS=1: 1: 4 by the simplex method and the method of continuous variations. 在单扫示波极谱上用单纯形法和连续变化法测定了该体系吸附型体的组成比为:La:Zn:ARS=1:1:4。
- The results show that the dopant composition ratio affects the performance of nonvolatile holographic recording by altering the ultraviolet light absorption characteristics of the crystals. 结果表明,在全息记录过程中,掺杂组份比通过改变晶体的紫外光吸收特性而引起全息记录性能的改变。
- 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。
- 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 first or last term of a ratio or a series. 首项,末项比率或数列中第一个或最后一个项
- The Measurement of the Composite Ratio and Crossed Size for Wires Coated by Precious Metals 贵金属包复线复合比及横向尺寸的测定
- The most demulsifer with perfected molecular weights and PEO/PPO composition ratios was pick out,and it was in combination with two assistants,improved the capability of the demulsifier. 并在此基础上复配了两种助剂,对乳状液的破乳脱水效果起到了进一步的改善。
- A series of nonionic block polyether demulsifiers with different molecular weights and PEO/PPO composition ratios were synthesized for high asphaltene crude oil in Shengli Oilfield. 本文针对胜利油田高含沥青质原油合成了一系列不同分子量和PEO/PPO比值的嵌段聚醚型破乳剂,并考察了其对高含沥青原油的破乳脱水规律。
- After-tax profit margin is the ratio of net income to net sales. 税後利润率指净收入与净销售之比。
- The ratio of men to women was two to one. 男女的比例是二比一。
- Being a composite of more than one color or mixed with black or white. 混合的一种颜色以上的混合物的或夹杂黑色或白色的
- CN Composite Number and Name data type. 代码与文字合成资料型态。
- The interval between any two frequencies having a ratio of2 to1. 倍频程频率比率为2比1的两个频率的间隔
- The police artist made a composite picture of the murderer. 警察局的拼图师拼出了一幅谋杀罪犯的图片。
- Composite controls can be employed in many ways. 复合控件有多种使用方式。
- The strike is the ultima ratio of Trade Unionism. 罢工是工联主义的最后手段。
- Composite sub-class supports a title. 复合子类还支持标题。