Estimation and control of yield of cephalosporin C separated from fermentation broths by ceramic membrane;
头孢菌素C发酵液膜过滤过程中收率的估算与控制
Measures of Increasing Diesel Oil Yield of Atmospheric and Vacuum Distillation Unit;
常减压装置提高柴油收率的措施
Study on the yield of Haemoglobin during discoloring processing;
血红蛋白脱色过程中蛋白收率的研究
Through analyzing and researching the traditional production process of potassium iodate,benefit is created and the safety factor is increased for the enterprises by utilizing reasonable technical renovation to successfully reduce the consumption of iodine and increase the recovery rate of potassium iodinate.
通过对传统碘酸钾生产工艺的分析、研究,利用合理的技术改进,成功降低碘耗,提高碘酸钾收率,且安全系数提高,为企业创造了效益。
After the DHX process was used on the light hydrocarbon unit to recover C+3 compound,it had a good result that the recovery rate of C2 compound was higher in the same operation conditions.
以回收C3+为目的轻烃装置采用DHX工艺(DHX塔闪蒸+脱乙烷塔分馏)后,在相同工况下能使C2获得更高冷凝率,并通过液态乙烷的制冷剂(汽化制冷)和吸收剂作用使C3+收率大幅提高,达到节能降耗的同时也提高了C3+收率。
RESULTS The chromatographic grade purity of the eluate is above 98% by HPLC,the recovery rate of dCMP,dAMP and dTMP is above 95%,the recover.
结果实验结果发现dCMP,dAMP,dTMP的收率为95%以上,dGMP的收率为85%以上,所获得的混合脱氧单核苷酸经高效液相色谱检测色谱纯达98%以上。
The influences of reaction temperature and sulfuric acid concentraction on trichloroethylene conversion and chloroacetic acid recovery have been investigated.
研究了三氯乙烯水解法生产氯乙酸的工艺,并在两种不同的实验方案中考察了反应温度、硫酸浓度对三氯乙烯转化率和氯乙酸收率的影响并确定了适宜的工艺参数,可作为工业化生产研究的基础。
The by product of P phenol ethyl ketone can be recovered, and the recovery is 29%.
利用 Fries重排反应 ,通过改变反应的催化剂 ,即以 AL CL3- NACL 复盐为催化剂 ,使邻羟基苯乙酮收率达到 42 % ,反应时间缩短了 4h,同时可回收一定数量的副产品对羟基苯乙酮 ,收率为 2 9% 。
In this condition,the recovery of biruea was above 94%.
研究了在酸性条件下合成联二脲的最佳工艺条件－ 在此条件下，联二脲收率可达到９４ ％ 以上，联二脲粒径小于２０ μｍ
ultimate yield
(加工后产品的)最终收率
ratio of tax to the gross national product
国民生产总值税收率
recovery of nonferrous metals
有色金属冶炼回收率
the yield to maturity
"到期率,收益率"
boil-off shrinkage
精练收缩[率],退浆收缩[率]
fabric shrinkage
织物缩水率，织物收缩率
opening rate & closing rate
开盘汇率与收盘汇率
public financing, taxation, credit, interest rate, exchange rate
财政,税收,信贷，利率,汇率
Rate of return(or return)on capital
资本收益率（或资本收益）
Yield Equivalence
收益同等利率、收益等价率
lower-than-assumed real rate of return on investment
较假定实际收益率为低的投资收益率
ratio of receivable to inventories
应收款项对存货的比率
the average return was about 5%.
一般的收益利率大约是%。
high shrinkage fibre
高缩率纤维，高收缩纤维
statistical sound power absorption coefficient
统计声功率吸收系数
income replacement ratio
收入折合养恤金比率
collection efficiency of photomultiplier tube
光电倍增管的收集效率
testing method for shrinkage of spun yarn
精纺纱的收缩率试验法