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1.The result indicated that the state switch of total reflux and total withdraw by controlling double-temperature in dynamic accumulation process was completely feasible.
结果表明，用塔顶和塔中温度控制动态累积全回流－全采出的状态切换是完全可行的。收藏指正
2.The examples in this tutorial model the 24-plat column both in steady state operation (steady state continuous operation and total reflux) and in dynamic mode ( with total reflux and with distillate withdrawal).
在本教程中，24盘的蒸馏塔既用来做稳态操作（包括稳态连续生产和全回程操作）也用来做动态模型试验。收藏指正
3.STUDIES ON U(Ⅵ)-U(Ⅳ) REDOX DISPLACEMENT CHROMATOGRAPHY Ⅱ. TOTAL REFLUX, EXCHANGE EQUILIBRIUM AND ρ-ρ RELATION ON CATIONIC EXCHANGE BED
U(Ⅵ)-U(Ⅳ)氧化还原排代色谱学研究——Ⅱ.阳交换的全回流、交换平衡和ρ-(?)关系收藏指正
4.A controlling method of total reflux by introducing temperatures of middle part and top part in batch distillation column was set up, and isopropanol and n-propanol were used to conduct the experimental study of this operation.
摘要提出了采用塔顶和塔中温度进行控制操作状态转换的全回流间歇精馏控制方法，并以异丙醇－正丙醇为实验物系进行了实验研究。收藏指正
5.Conclusions: When DGR is detected with Bilitec 2000 ambulatory bilirubin monitor, 0.25 is suggested as the threshold of BA value. The upper normal limit of the total percentage of bile reflux duration for physiological DGR among healthy young people would be 33.3%.
结论:建议应用Bilitec2000便携式胆红素监测仪监测DGR时以0.25作为BA界值,健康青年人群生理性DGR胆汁反流总时间百分比的参考值范围上界为33.3%。收藏指正
6.In HH patients the number of reflux episodes (NRE) lasting for 5 min or longer, the duration of the longest episode (DLE), the percentage of time of pH<4 for total periods and mean duration of reflux episodes were higher at lying than at standing position ( P <0 05).
HH组卧位时返流≥5分钟次数、最长返流时间、总pH值＜4的时间占总观察时间的百分比和平均返流周期均显著大于立位时；收藏指正
7.Objective To optimize the extraction technology of total flavones of Bidens bipinnata L.Methods The extraction technology optimized by orthogonal design L_9(3~4),while total flavones were adopted as indexes. Factors of ethanol concentration,reflux duration,ethanol quantity and extraction times were evaluated for their effects on extraction process.
目的对从鬼针草中提取鬼针草总黄酮的工艺进行优化。 方法采用L9(34)正交设计,以鬼针草总黄酮含量为考察指标,考察乙醇浓度、提取时间、乙醇用量、提取次数4个因素对提取的影响。收藏指正
8.The total fraction time pH<1,pH<2 and pH<3,mean pH and median pH were analyed,and determined if the patients had duodeno?gastric reflux(DGR). DGR were observed.
以pH＜1、pH＜2、pH＜3的总时间百分率，平均pH和中位pH为观察指标，并判定有无十二指肠胃反流。收藏指正
9.The Convection and radiation between smoke and trunk of bigger arbor, smaller arbor, bush, and leaves of bigger arbor, was calculated, their total quantity of heat and density of heat were compared respectively, and the in- fluences of velocity and ternperature of smoke flow, size of woods, reflux zone on heat transfer wer discussed as well.
对烟气与大乔木、小乔木、灌木主干及大乔木叶间的对流、辐射换热进行了计算，分别比较了它们的总传热量和单位面积上的传热量。 讨论了烟气流速、温度、林木尺寸、回流区等因素对换热的影响。收藏指正
10.The sample was extracted with 60% ethanol by continuous therma l reflux,total flavanoid was determined by spectrofluorophotometer with rutin as standard reference,at the excitation wavelength of 436nm and the emission wavel ength of 483nm.
用 6 0 %乙醇加热回流提取杜仲叶有效成分 ,以芦丁为标样 ,选择激发波长 λex=4 36 nm,发射波长 λem=4 83nm,采用荧光分光光度法测定杜仲叶中总黄酮含量 ,并进行加标回收实验 ,验证方法的准确性。收藏指正
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