建立了用HPLC或萃取测定合成转化率的方法,确定了最佳合成工艺。
The determining system using HPLC and extraction was established to monitor the transformation rate to obtain the optimum synthetic process.
在与正常气化炉同样的工作温度下,使用二氧化碳能提高固体燃料至合成气的转化率。
Working at the same temperature as a normal gasifier, using CO2 means a better conversion of solid fuel into syngas.
他们发现,将二氧化碳加入蒸汽气体之中,就能大大提高生物质或煤炭变成合成气的转化率。
They found that, by adding CO2 into the steam atmosphere of a gasifier, significantly more of the biomass or coal was turned into useful syngas.
试验结果表明,该二甲醚合成催化剂的转化率、选择性、稳定性等性能达到了国内同类催化剂的先进水平。
The results show that the performances such as the conversion rate, the selectivity and the stability of the catalyst reach the advanced level of the same kind catalyst inland.
通过本研究,不仅可对两种合成方案进行恰当的评价,而且可以指出进一步改善设计使反应达到更高转化率的方向。
The result obtained are not only evaluating composition design behavior properly but also pointing out the direction to further optimum design in order to gain high yield.
讨论了利用硫代二丙腈直接醇解合成抗氧剂DLTP的方法,筛选出了最佳反应条件。醇转化率98%。
The method of preparing antioxidant DLTP directly by alcoholysis of thiodipropionetrile is dealt with, and the optimal conditions are given. The conversion of lauryl alcohol is 98%.
结果表明,三种催化剂上超临界相合成醇反应的CO转化率都比气相合成醇反应的高。
The results indicated that CO conversion was higher in supercritical phase reaction (SCPR) than in gas phase reaction (GPR) over the three kinds of catalysts.
用净化黄磷尾气为原料与甲醇液相合成甲酸甲酯,并对影响一氧化碳及甲醇转化率、甲酸甲酯时空收率等的因素进行了研究。
The synthesis process of methyl formate (MF) from purifying yellow phosphorus tail gas and methanol, and some influence factors of synthesize MF, are studied in this paper.
通过实验,实现了石墨转化率在70% 、80 % 、90 % 等较高水平的粉末触媒金刚石合成,并就此与片状触媒进行了对比分析;
The graphite transform ratio of 70%, 80% and 90%, which is higher than the normal slice catalyst synthesis system has been achieved by powder catalyst.
报道了固体超强酸作催化剂合成烷基葡萄糖多苷的反应,并讨论了固体超强酸的最佳反应活性,葡萄糖转化率达99%。
Reaction catalyzed by solid super acid to synthesize alkyl polyglycoside is reported. The best reaction activity of solid super acid catalyst is discussed. The conversion of glucose arrived to 99 %.
结果表明,采用一步法合成二甲醚如果存在水汽变换反应,CO2的转化率为负值,如果催化剂可以控制不发生水汽变换反应,CO2的转化率为零。
The results indicated that the conversion of CO2 is negative if the watergas shift reaction exist and it will be zero if the catalyst can control no watergas shift reaction to take place.
该催化剂对合成联苯乙酸乙酯的反应催化活性高,联苯乙酸转化率可达92%,而且回收容易,重复使用性能好。
The catalyst exhibited high activity for synthesis of ethyl 4-biphenylacetate, with felbinac conversion of over 92%. The catalyst can be easily recovered and has good performance for repeated use.
微生物催化合成法具有常温常压反应。转化率高,无副反应产物、不污染环境和经济效益好的优点。
Biochemical process has a series of advantage over traditional ones:reaction at normal pressure and room temperature, high conversion, no by-products produced and little environmental problems.
研究了分子筛的添加方式对脂肪酶催化合成甘露糖酯的影响,采用分批添加分子筛甘露糖酯转化率达到60%。
The effect of the addition method of molecular sieves was also studied. And the conversion60% of the lauroyl mannose was achieved by batch addition of molecular sieves.
本文在C307与C9催化剂结构特性研究的基础上,研究了工艺条件对甲醇合成原料转化率、产率以及甲醇选择性的规律性影响;
In this paper, the regularity impact of technological conditions on feed-gas conversion, space-time yield and methanol selectivity is studied, based on the basic nature study of C307 and C9 catalysts;
分析水碳比对尿素合成系统转化率的影响以及改进的方法。
Analyzes the effect of steam and carbon ratio to the conversion rate of urea conversion system and improve method.
分析了尿素合成塔co2转化率的影响因素,介绍了新型高效内件应用情况和效果。
Effect factor of CO2 conversion rater in urea reactor is analyzed, the application and result of using the new high efficient urea reactor internals is introduced.
适当降低冷却水温度,增加放电频率也可提高合成过程中的氧转化率、H2O2收率及合成H2O2能量效率。
The increase of discharge frequency and decrease of cooling-water temperature at a certain extent also favored the improvement of O2 conversion, H2O2 yield and energy efficiency.
氨合成塔作为合成氨装置中的关键设备之一,其床层温度的优化操作及控制品质对提高塔内氨转化率具有很大的影响。
Ammonia synthetic tower, as a key equipment of the ammonia synthesis installation, its bed temperatures' optimal operation and control quality take great effect on ammonia conversion.
研究了不同反应溶剂、反应温度、反应摩尔比对合成树脂转化率的影响,确定了树脂的最佳合成条件。
The influence of experimental conditions such as reaction solvent, reaction temperature and molar ratio of reagents of synthesis were discussed.
与已有的碳酸二甲酯合成方法相比,该方法具有转化率高、成本低、不腐蚀设备、工艺路线简单等优点。
The advantages of this method is high yield of DMC, low cost, no eroding and simple operation.
对甲醇氧化羰基化合成DMC的过程进行了热力学分析。着重计算了合成反应的平衡常数和平衡转化率。
A thermodynamic analysis of synthesis process of DMC by oxidation carbonylation of methanol was carried out with the emphasis on calculations of equilibrium constants and conversions for the reaction.
以海因为起始原料的合成路线原料成本低,转化率高,更适合工业化生产。
The route which used hydantoin as the starting material showed lower costs and higher yield and is suitable for industrial-scale production.
同时考察了乙酸酐与苯酚物质的量比对苯酚转化率的影响,得到了合成乙酸苯酯的最佳工艺条件。
Meanwhile, the influence of the ratio between phenyl hydroxide and acetic anhydride to translating rate was also studied, and the optimum technological condition…
同时考察了乙酸酐与苯酚物质的量比对苯酚转化率的影响,得到了合成乙酸苯酯的最佳工艺条件。
Meanwhile, the influence of the ratio between phenyl hydroxide and acetic anhydride to translating rate was also studied, and the optimum technological condition…
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