产率

• The use of sodium hydrogen sulfate to improve the field of unsaturated organise acid
  用亚硫酸氢钠提高不饱和有机烯酸的产率
• The epoxides were obtained with up to 90 % yields in the reaction system with air
  在空气存在下其氧化产物的产率这90 %以上。
• Quantum yields for photoinitiation and photodecomposition are also low with mn
  采用mn时，光引发和光分解的量子产率也很低。
• Study on quick - propagation of bunge cherry and productivity of commercial nursery stocks
  欧李快繁与生产中商品苗产率问题研究
• The method are of the advantages of good yields , short reaction time and easy operation
  该法具有反应时间短、产率较高和操作简便等特点。
• After manipulated as above , the productive rate of purified pea ferritin is 20 - 30mg / kg
  通过上述操作，豌豆铁蛋白的产率为20 - 30mg kg 。
• Study on yield and purity of potassium nitrate ' s preparation experiment from method of transformation
  转化法制备硝酸钾实验中的产率和纯度
• Comparision of rate and indication of cesarean section between two hospitals in shanghai and chengdu
  沪成两所医院剖宫产率及手术指征的比较
• Multiple operations carried out in multiple work centers each with their own production rate
  各个操作保持各自的产率，分别在各自的反应中心中进行。
• Trends of caesarean section and related social and demographic factors in china from 1971 to
  1971年至2003年我国剖宫产率变化趋势及社会人口学影响因素的研究