The comparison and analysis of short-time heart rate variability in different diseases;
516例不同疾病短程心率变异性对比分析
Objective To observe the influence of gender and age on the short-time Heart Rate Variability(HRV).
目的观察年龄和性别对短程心率变异性的影响。
Simultaneous short-cut nitrification and denitrification;
同步短程硝化反硝化研究
Characterization of short-cut nitrification using immobilized ammonia-oxidizing bacteria;
固定化氨氧化细菌短程硝化特性研究
A/O process short-cut nitrification with process control of DO and aeration based on DO and pH on-line sensors can be achieved,and gradually eliminated nitrite oxidising bacteria,and therefore achieved nitrogen removal via the nitrite pathway.
应用A/O中试试验装置处理实际生活污水,研究了在线过程控制对微生物种群活性和结构的影响,分子生物学FISH检测表明,污泥种群的优化是可能的也是有效的,基于DO、pH传感器在线信息动态控制DO浓度和曝气量可以实现系统中亚硝酸盐氧化菌(NOB)的淘洗,从而获得稳定的短程硝化反应。
Study on factors affecting shortcut nitrification of mature landfill leachate;
晚期垃圾渗滤液短程硝化影响因素研究
Factors effecting shortcut nitrification for treatment of advanced stage landfill leachate;
晚期垃圾渗滤液实现短程硝化影响因素分析
Research on control strategy of internal-loop airlift reactor for shortcut nitrification;
气升式内循环反应器短程硝化控制策略的研究
Start-up and operation of partial nitrification in a sequencing batch reactor;
短程硝化反应器的快速启动与运行特性
Effect of alkalinity on the [NH_4~+-N] ratio during partial nitrification in a sequencing batch reactor;
利用碱度控制SBR中短程硝化反应的进程
The biochemical reaction mechanism and kinetics of partial nitrification;
短程硝化的生化机理及其动力学
Preparation of biodiesel by short path distillation of rapeseed raw oil and alkaline catalyzing reaction;
短程蒸馏处理菜籽毛油和碱催化制备生物柴油工艺研究
A purification method —wiped film molecular distillation(short path distillation)is introduced in this paper;the optimum technical conditions for refining vitamin E by using this method was studied.
本文介绍了短程蒸馏技术提纯天然维生素E的工艺过程,系统研究了短程蒸馏的系统压力、蒸馏温度、刮膜器转速及进料速率等操作因素对天然维生素E含量的影响。
The purification method-wiped film short path distillation was introduced, and the optimal technical conditions for refining glutaraldehyde were studied.
介绍了短程蒸馏技术分离戊二醛消毒剂的工艺过程,系统研究了短程蒸馏的系统压力、蒸馏温度、刮膜器转速及进料速率等操作因素对戊二醛含量的影响。