• 获得回流部分回流条件全塔效率,固定回流间歇精馏下的塔顶、塔釜温度浓度随时间变化曲线等。

    The changing curve of temperature and concentration in top and bottom with time in fixed reflux ratio and batch distillation, were also obtained.

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  • 分别不同进料、进料位置、加热/冷却温度条件下,对TCAP工艺回流模式进行了实验。

    Thermal cycling absorption process(TCAP) in a full reflux mode was studied at different feeding ratios, feeding places and heating/cooling temperatures.

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  • 遵守产品目录中的回流条件

    Please follow "Reflow Soldering Conditions" in catalogue.

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  • 通过溶剂回流萃取不同溶剂组合萃取实验确定最佳提取条件

    The optimal condition of extraction is obtained through the experiments of the circumfluence extraction with different solvents and hybrid solvents.

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  • 同时利用回流区内高温低速湍流有利于着火条件的新型煤粉稳燃器。

    It can make full use of favourable ignition conditions such as high temperatures in reflow region and low velocity as well as high turbulent scale.

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  • 为了确定运行条件影响采用搭建CAST小试试验台对曝气时间DO回流排水进行了研究。

    In order to determine the influence on account of operating conditions, aeration time, DO, reflux ratio, water drainage ratio were studied by using small CAST test-bed.

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  • 球形逆止能够允许液体单向通过,防止回流适用于提升阀不是用的应用条件

    Ball check valves allow free flow in only one direction, prevent backflow, and are for applications where poppet style valves may not be suitable.

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  • 研究酸性溶液回流提取魔芋总生物方法条件

    The ways and the conditions how to use the acidity alcohol to extract the whole alkaloid in the amorphaphallus konjak are researched .

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  • 目的优化乙醇回流提取羊藿工艺条件

    Objective: To optimize the ethanol refluxing and extracting process of Herba Epimedii with orthogonal design.

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  • 研究回流除氯时间温度吸附剂用量影响,以及微波消解条件介质催化剂COD测定的影响。

    The effects of reflux time, temperature, amount of adsorbent on the efficiency of removal of Cl - and the microwave digestion conditions, acid medium, catalysts on the COD determination are discussed.

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  • 同时探讨塔顶压强塔顶温度回流比变化产品纯度影响,获得试验条件下的最佳操作条件

    Furthermore the effects of tower top pressure, temperatures of tower top and bottom, reflux ratio on product purity were analyzed.

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  • 本文还研究精馏一些操作条件1,2-二醇精制过程的影响(塔顶压力回流比等)。

    The distillation conditions including overhead pressure, reflux ratio for the recovery of 1,2- propylene glycol were studied.

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  • 通过模拟实验,探讨不同条件垃圾渗滤液回流垃圾填埋场稳定影响

    Through lab simulative research, the influence of leachate refluence on the stabilization in the landfill site was investigated under different conditions.

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  • 摘要研究采用正交试验设计分别优选回流提取超声波提取竹总黄酮最佳工艺条件

    Abstract: in this study, the reflux extraction and ultrasonic extraction processes of total flavonoids from Podocarpus nagi leaves were optimized using orthogonal experiments.

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  • 另外POSCAP即使规范规定条件进行回流焊接电流有可能变大

    In addition, POSCAP even in the specification, within the conditions prescribed reflow, the leakage current after welding may also be larger.

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  • 反应速率转化率明显高于传统回流方法,密闭条件下微波辐射反应速率和转化率大于常压条件

    The reaction rate as well as the conversion rate was improved obviously compared with conventional reflux meth- od.

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  • 采用试验紊流模型结合长方体边墩不同纵向宽度条件回流长度变化规律进行研究

    The relationship between the longitudinal dimension of an abutment and the recirculation length behind it is established based on the experimental data and the numerical results using a 3D model.

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  • 结果3种提取方法中回流提取的提取物中岩白菜素含量最高,正交实验优化条件1:15,提取时间为1.5 h,提取次数1

    ResultsThe optimum parameters of extracting bergenin were as follows: extracting for 1.5 hours, one time, and 1:15 of the ratio of material and solvent.

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  • 计算结果表明,冲击缝两侧壁面附近有第一回流区外,在一定流动条件可能下游产生第二回流区。

    Except the circulations on the two sides of inlet nearby the inner wall, it is possible to induce two contrary circulations nearby the out wall in down stream. The effects of the currents on iso…

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  • 计算结果表明,冲击缝两侧壁面附近有第一回流区外,在一定流动条件可能下游产生第二回流区。

    Except the circulations on the two sides of inlet nearby the inner wall, it is possible to induce two contrary circulations nearby the out wall in down stream. The effects of the currents on iso…

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