reduced pressure distillation
英 [rɪˈdjuːst ˈpreʃə(r) dɪstɪˈleɪʃn]
美 [rɪˈduːst ˈpreʃər dɪstɪˈleɪʃn]
网络 减压蒸馏
双语例句
- The production of reduced pressure distillation was analysed with IR, GC and studied by physical chemistry property.
通过正交试验得出其最佳条件，并对产物作了IR，GC分析和理化性能检验。 - The high-purity MPC standard sample was obtained by reduced pressure distillation and the removal of minor phenol with dilute sodium hydroxide solution.
反应产物经减压精馏、碱洗、水洗、干燥等精制处理，得到了纯度较高的MPC标准品。 - Experimental Study on Reduced Pressure Membrane Distillation Concentration Processing Doctor Solution
减压膜蒸馏浓缩处理脱硫液的试验研究 - The reduced pressure distillation experiment on the liquid paraffin was done and the Engler distillation curve was obtained.
进行了石蜡油的减压蒸馏实验，得到了恩氏蒸馏曲线。 - The content of sodium in crude lithium is reduced from 0.66% to 0.0018% in a single stage distillation process with residual gas pressure below 10 Pa, distillation temperature of 400 ℃ and distillation time of 2 hours.
原料含钠量为0.66%时，在400℃下蒸馏2个小时，残余物含钠量达到0.0018%，远低于电池级精锂含钠量不大于0.02%的要求。 - The quantitatively influence of reduced pressure in distillation on the phase equilibrium of ethyl benzene& phenyl ethylene by means of Excel was analysed.
用EXCEL定量分析了减压对乙苯&苯乙烯相平衡的影响。 - Using two methods of steam distillation under reduced pressure ( SDRP) and simultaneous distillation and extraction ( SDE), the aroma concentrates from Oolong tea were prepared, respectively, and then were objected to GC-MS analysis.
采用减压水蒸汽蒸馏法（SDRP）和常压水蒸汽蒸馏并同时萃取法（SDE）提取乌龙茶中的香气成分，并用GC-MS进行分析比较。 - The advantage and disadvantage of the five recycling methods, direct heating, direct aqueous vapor, indirect aqueous vapor, reduced pressure distillation, precipitation method, is discussed.
探讨了直接加热法、直接水蒸汽法、间接水蒸汽法、减压蒸馏、酒精沉淀等五种回收方法的优缺点。 - A new method is presented for synthesis of organosilicon compounds directly from precipitated white carbon black by reduced pressure distillation.
该文研究了以沉淀白炭黑为原料，采用减压蒸馏法直接合成六配位体有机硅化合物的新方法。 - The product was purified by distillation under reduced pressure, the residue remained after distillation could be used as catalyst in circulation. The yield of title compound was 91.6% and content of 1-benzyl-2-pyrrolidone was 99.3%.
产物经减压蒸馏分离提纯，蒸馏后的残余物作催化剂循环使用，1-苄基-2-吡咯烷酮收率为91.6%，含量99.3%； - The process flow and production practice of air-distillation and reduced-pressure distillation for tar in Jigang coking plant are introduced.
介绍了济钢焦化厂焦油常、减压蒸馏的工艺流程、生产实践。 - It is reveal by GC analysis that the purity of the TMP, treated by reduced pressure distillation and recrystallization in acetic ester, approximates to that of the reagent grade TMP.
GC分析结果表明：采用减压蒸馏及乙酸乙酯重结晶并用的方法精制的TMP纯度接近于试剂级TMP。