| 1. | Percentage of film taken off 滤膜萃取率 |
| 2. | The experimental results showed that the extraction rate and mass transfer flux increased with the field strength increasing 在自行设计的连续电泳萃取池内实验研究了电场强度、两相流速等因素对丁醇萃取率及传质通量的影响。 |
| 3. | The average mass extraction ratio of the measured resources in area a is expected to be at 31 . 7 % for assumed permissible parameter and design layouts 如按假设容许参数及设计方案计算的话, a区测定资源的平均矿体萃取率有望达31 . 7 % 。 |
| 4. | Gold extraction from ground whole - of - ore by agitated leach ranged from 97 % up to 99 % depending on grind size and cyanide concentration 采用搅拌浸出方法从全磨原矿中获得了97至最高99的金萃取率,依磨矿的粒度和氰化物的浓度而变化。 |
| 5. | Solid - phase extraction is a new separating extraction method based on liquid chromatography theory since 70s , which is simple and quick , and the rate of medicine extraction is high 固相萃取是70年代以来在液相色谱原理基础上发展起来的具有操作简便快速、萃取率高等优点的分离提取方法。 |
| 6. | The used approximately dimensioning to approximate the mass extraction ratio guarantees stable cavities for the time of stoping and the storage of teh residual brine but consider not the behaviour of the safety layers and their mechanical integrity 所使用的近似尺寸接近质量萃取率,从而确保了回采和储存残余卤水时空穴的稳定性,但安全层及其设备的完整性未考虑在内。 |
| 7. | At present , liquid - liquid extraction common ultraviolet spectrophotometry method is used for the analysis and examination of such medicine . the separating method of liquid - liquid extraction is overelaborate and waste solution . the recoveries are low 对于该类药物的分析检测,目前主要采用液液萃取普通紫外光谱测定法,液液萃取分离法操作繁琐、费溶剂、药物萃取率低,杂质去除不彻底。 |
| 8. | The objective of this article is to connect the two methods to establish a new analysis examination method , the main characteristics of which are high medicine extraction rate , thorough getting rid of impurity , suiting soporific analysis and examination , and simple , quick operation 本论文的研究目的是将两种方法相结合,建立起一种药物萃取率高、杂质去除彻底,可适合安眠药物中毒、致死案件检验、以操作简便快速为主要特点的分析方法。 |
| 9. | Secondly the cellulase liquid as the raw material were extracted by the aqueous two - phase . the influences of molecular weight of peg , concentrations of peg and salt , ph value , the phase volum ratio etc , the extraction rate and the partition coefficients were studied . the optimum condition was also determined 其次以纤维素酶液为原料,用双水相萃取技术提取纤维素酶,考察了不同分子量的高聚物聚乙二醇peg和其质量浓度、其盐浓度、 ph值、相比等对萃取率和分配系数的影响,确定出双水相萃取纤维素酶的最佳工艺条件。 |
| 10. | For the first time , agbr organosol was obtained by using oleic acid to extract and modify the agbr nanoparticles in hydrosol . and the optimum molar ratio of oleic acid to agbr nanoparticles was found . agbr nanoparticles , modified by oleic acid were mixed with mma 首次采用油酸萃取并包覆了水溶胶中的agbr纳米粒子,制备了agbr有机溶胶;并找到了萃取率最佳时的油酸与agbr的摩尔比;再将油酸包覆的agbr掺杂到甲基丙烯酸甲酯中,进行本体聚合,从而制备了agbr光致变色有机玻璃。 |