一种成品率高的微细圆珠制造设备，为提高成品率而设计。
结论：方法可行，费用低，且通过温度控制，对产品收率无影响。
结果表明：活化温度和时间对活性炭纤维比表面积影响较大；
本发明具有易于实施、产品成品率及质量高和使用稳定性高等优点。
同一坡度不同放水流量下，植物路和土质路的产沙率均随时间变化呈负对数关系。
减少了对甲砜基苯甲醛在水解液中的溶解量，提高了收率；
1·A record number of enrollment deposits pushed the yield rate to nearly 50%.
入学人数创纪录，使收益率接近50％。
2·An analysis is made on the impact of seasoned new issue upon such financial indicators as net asset per share, earning as per share, yield rate of net assets, etc.
分析上市公司增发新股对每股净资产、每股收益、净资产收益率等财务指标的影响，指出上市公司增发新股的原因，应完善上市公司新股增发的约束机制。
3·International copper prices fluctuate greatly. In this context, the study of China's copper futures yield rate volatility has important practical significance.
在此背景下，研究我国铜期货收益率的波动性具有重要的现实意义。
4·Based on this we simulate the volatility features of the two kinds of yield rate time series and analyze their fitting results using the stochastic volatility models.
在此基础上利用随机波动类模型对两种收益率的波动性特征进行拟合，并对拟合优度进行分析。
5·This paper analyzes the statistical features of the Shanghai and Shenzhen 300 Index yield rate time series from two aspects which include low frequency data and high frequency data.
本文从低频数据和高频数据两个角度对沪深300指数的收益率时间序列统计特征进行分析。