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    phase ratio O:A = 1:1 temperature 30-40℃ time 10 min; stages for extraction 5-6; stages for stripping 2-3. The efficiencies of extraction and stripping are over 99 %
    萃取分离的适宜工艺条件为:5709浓度0.3M,皂化度70%,反萃取剂1NH_2SO_4或6NHCl,相比O:A=1:1,温度30—40℃,时间10分钟,萃取段数为5—6段,反萃取段数2—3段,萃取和反萃取效率都能达到99%以上。
    The recovery of uranium is greater than 99. 9%, and the extraction efficiency of stage in 1A mixer-settler is better than 85%.
    铀的回收率大于99.9%,1A槽萃取段的级效率大于85%。
    The recovery ratio ofUis greater than 99. 9%k and stage efficiency of extraction section of the 2D mixer-settler is >90%.
    铀的回收率>99.9%,2D槽萃取段的级效率>90%。
    The efficiency of extraction stage ofthe mixer-settler is 95%.
    萃取段槽的级效率为95%。
    The resultsshowed that: the temperature gradient is 40℃, solvent-oil ratio is (3.0~4.0)∶1, water content is less than 0.5%, extraction number of plate is over 3.
    结果表明,合适的生产变压器油的工艺参数为:温度梯度40℃,剂油比为(3.0~4.0)∶1,含水量<0.5%,萃取段数不低于3段。
    The content of swainsonine in these parts was monitored with gaschromatograph .
    气相色谱检测各萃取段苦马豆素的含量。
    The rate of inhibition is all over 50%. (2) With the concentration of 0.02g/mL, Acetoacetate extract has the strongest anti-virus activity , the rate of effect is 96.03%. Aether extract taking second place is 75.625%.
    (2)苦豆子根乙醇浸膏及其各部分萃取物(0.02g/ml)都具有一定的抗TMV病毒活性,其中乙酸乙酯萃取段活性最高,钝化效果达96.03%,乙醚段次之为75.625%,氯仿段54.26%,乙醇浸膏45.07%。
    2. The analyse of chemical constituents on fractions The result of analysis of chemical constituents on fractions was conducted with chromatograph on silica gel column and Sephadex LH-20. Five compounds were yielded from the fraction of petroleum ether. Their structures were identified by chemical evidence and spectral analysis as glyceryl monosterate, glyceryl monopalmitate, clerosterol, 1-linoloyl-3-palmitoylglycerol and stigmasterol;
    2.各萃取段化学成分研究利用硅胶柱层析、Sephadex LH-20等色谱分离纯化技术对总浸膏各萃取段进行了化学成分的系统分析,从石油醚萃取浸膏中得到5个单体化合物,根据理化性质以及光谱的方法分别鉴定为单硬脂酸甘油酯、单棕榈酸甘油脂、赤桐甾醇、1-亚油酸-棕榈酸-甘油酯、豆甾醇;
    The recovery ratio of U (Pu) is greater than 99. 9%, and stage efficiency of extraction section of the mixer-settler is 95%.
    萃取段槽的级效率为 95 %。
    The behaviour of tritium in the lst extraction cycle is tested on bench-scale,indicating that the decontamination factor of tritium in 1A mixer-settler( 6 extraction stages and 9 scrub stages)is higher than 10 ̄4,and most of the tritium is in the extraction section of 1A. The tritium remained in 1AP is easy to scrub into aqueous phase with a tritium scrub mixer-settler(five stages).
    对氚在一循环中的行为进行了台架实验,结果表明,1A混合-澄清槽(6级萃取,9级洗涤)中对氚的去污系数在10~4以上,并且氚主要集中在1A的萃取段,残留在1AP中的氚易在附加的氚洗槽(5级)中去除。
    Hydrodynamic and mass transfer experiments were carried out with n-butanol-succinic acidwater as an experimental system in a MU tray extraction column with a diameter of 0.1m. The dispersedphase holdup, drop size and the overall efficiency were measured and the hydrodynamic and mass transferparameters were correlated.
    在直径为0.1m、萃取段高度为1m的MU萃取塔中,用低界面张力体系正丁醇-丁二酸-水研究了分散相存留分数、液滴平均直径和液泛速度等流体力学特性以及全塔效率等传质性能。
    Uranium is directly extracted from commercial acid leaching pulp of coal ash with tertiary aliphatic amine as extractant,mixture alcohol as additive and kerosene as diluent. The continuous phase is organic phase. A large aperture pulsed sieve-plate column (100mm)is used as extraction equipment with an effective extractive section 6. 8 m in height and a certain height of aqueous phase section.
    以三脂肪胺作萃取剂,混合酶、煤油分别作添加剂和稀释剂,在有效萃取段高度为6.8m、100mm大孔脉冲筛板试验塔中,采用有机相为连续相,同时增设一有限高度的水相段从工业生产的煤灰酸浸矿浆中直接提取铀。
    The results show that there are purity gradient maxima in both extraction and scrubbing section for each component in both aqueous and organic phases.
    结果表明:各组分两相纯度梯度在萃取段和洗涤段存在极值点。
    For the purpose of optimizing the counter current extraction process some new equations have been derived for calculating the optimized extraction factors to search the minmum total volume of mixer settler extractor or scrubbing section at the same production capacity and product quality.
    以分馏萃取分离相同数量相同质量产品 ,萃取段、洗涤段所用萃取槽总体积最小为优化目标 ,推导出了优化萃取比新方程 .
    For short cut calculation, new equations for determining the optimized extraction factors of minimum production cost in both the extraction and scrubbing sections were derived from above novel equation.
    为简化计算 ,推导出萃取段、洗涤段最低成本萃取比方程。 如果不考虑酸碱消耗的成本变化 ,推导出的简略方程其优化目标与现有最优萃取比方程相一致 ,计算值相近。
 

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