结果表明,OR B IT- 3300z催化剂具有重油转化能力强,产品选择性好,抗金属能力显著等特点,完全能满足生产求。
The results showed that ORBIT-3300Z is characterized by deep conversion of heavy oil, good selectivity, strong resistance to metal pollution, meeting the requirements of production.
结果表明,OR BIT- 3300z催化剂具有重油转化能力强,产品选择性好,抗金属能力显著等特点,完全能满足生产要求。
The results showed that ORBIT-3300Z is characterized by deep conversion of heavy oil, good selectivity, strong resistance to metal pollution, completely meeting the requirements of production.
催化反应的转化率和选择性以及催化剂本身的失活速率均对温度十分敏感。
Conversion and selectivity of catalytic reactions as well as the deactivation rate of the catalyst itself is very temperature - sensitive.
随着反应温度的升高,甲烷的转化率增加,甲醛的选择性降低,甲醛比活性升高。
The methane conversion increased and formaldehyde selectivity decreased and formaldehyde specific activity increased as the reaction temperature rising.
总结了有机溶剂中的酶催化研究进展,讨论了影响有机溶剂中酶促不对称转化过程对映体选择性的因素和拆分动力学。
The factors influencing the enantioselectivity of enzyme catalyzed asymmetric transformations in organic phase, and the enzymatic resolution kinetics are discussed.
生物催化的还原反应能使分子内的羰基或碳-碳双键立体选择性的还原,将潜手性底物转化为手性产物,在不对称合成中有着重要的作用。
Biocatalytic reduction of the carbonyl groups or the carbon-carbon double bonds of the compounds has been utilized as a method for transforming the prochiral substrate into chiral product.
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.
在催化剂装填总量不变的前提下,异丙苯的选择性与丙烯的转化率均随催化剂装填结构空隙率的提高而提高。
By keeping the total amount of catalyst unchanged, selectivity of cumene and conversion of propylene increases with the void of catalyst packing structure.
结果两种催化剂的苯加氢饱和性能相当,苯转化率均在99%以上,饱和产物选择性分别为81.37%和77.73%;
The benzene conversion of the two catalysts is both above 99%, and the selectivity of the saturate productions of benzene hydrogenation is 81.37% and 77.73% respectively.
在此条件下,苯乙烯单程转化率可达93.5%,二芳基乙烷的选择性为78.9%。
Styrene conversion of 93.5% and selectivity to diphenylethylane of 78.9% were attained under the optimum condition.
在近似转化率下,乳化油的产品选择性要远远优于常渣。
At the approximate conversion, the selectivity of emulsified oil is superior to that of atmospheric residue.
在最佳反应条件下,松油醇的转化率为94.1%,乙酸松油酯的选择性为93.3%。
The conversion of terpineol was 94.1% and the selectivity of terpinyl acetate was 93.3% under the optimal reaction conditions.
研究了反应条件对转化率、选择性和收率的影响。
We also studied the reaction conditions which influence on the conversion ratio, selectivity and yield.
随着苯丙烯比的升高,丙烯单程转化率上升,异丙苯选择性上升,副反应降低。
With the increase of R, the propene conversion of the single stage and the selectivity of cumene increase and the side reaction decreases.
同时考察了不同组成的催化剂对乙苯及CO_2的转化率,苯乙烯选择性的影响。
Meanwhile, the effect of different catalysts on the conversion of ethylbenzene and CO_2, as well as the selectivity of styrene was investigated.
OFDM技术可以把频率选择性衰落的信道转化成一组正交的平坦衰落的信道,因此可将OF DM技术应用在MIMO系统中来克服多径衰落的影响。
OFDM has the ability of transforming the frequency-selective channel into a collection of parallel flat-fading subchannels and therefore can be adopted in MIMO systems to combat multi-path effects.
适当的氧含量、环己烷浓度和气相中CO_2浓度均能提高催化剂对环己烷的转化率和琥珀酸酐的选择性。
The proper content of O2. cyclohexane and CO2 could increase the conversion rate of cyclohexane and the selectivity of butanedioic anhydride.
该催化剂具有良好的活性和稳定性,TAME转化率和异戊烯的选择性均超过99%。
The catalyst has high catalytic activity and excellent stability, both the conversion rate of TAME and the selectivity of isoamylene can be over 99%.
在近似转化率下,强化油作为原料时的产品选择性优于常渣。
At the approximate conversion, the selectivity of the desired product for the strengthening oil is superior to that of atmospheric residue.
在乙烯基降冰片烯异构化中,VNB转化率和ENB选择性均接近100%。
In the isomerization of vinyl norbornene, the conversion of VNB and selectivity of ENB are both almost 100%.
结果表明:天然气在氮热等离子体中热解反应强烈,其转化率主要由输入功率和甲烷流量决定,产品的选择性亦即乙炔的收率与反应器的结构密切相关。
Results show that the conversion rate of methane is mainly determined by plasma power and methane flow rate, the product selectivity is sensitive to reactor configuration.
考察了反应温度、氨比、空气比和空速对反应的转化率,摩尔收率和选择性的影响。
The effects of temperature, the ratio of ammonia, the ratio of air and the space velocity of catalyst upon the conversion, molar yield and selectivity of the reaction were observed, respectively.
在丙烷氧化脱氢反应中,同时获得高的丙烷转化率和丙烯选择性是具有挑战性的研究内容之一。
It is a challenging research topic to obtain higher propane conversion and higher propylene selectivity at the same time in the reaction of propane oxidative dehydrogenation (ODH).
转化率、选择性达到了90%以上。
The conversion ratio and selectivity both above 90% are attainable.
阐述了甲烷选择性氧化制合成气过程的优点,并与其他转化工艺进行了比较。
A new synthetic route of methane to synthesis gas is compared with other conventional ones and the advantage is introduced.
进料空速增大C8产物选择性增大,但丁烯转化率降低;
The selectivity of C8 was increased with raising of weight hourly space velocity, but the conversion of butene was reduced.
考察了烷基化反应条件对反应转化率和选择性的影响以及催化剂的稳定性。
Moreover, the influence of alkylation reaction condition on the conversion and selectivity of alkylation and the stability of catalyst was investigated.
在氧化脱氢的反应条件下,容易发生丙烷和丙烯的深度氧化,导致丙烷转化率升高,丙烯选择性的下降。
Under the ODH reaction conditions, it can be find that the total oxidation of propane and propylene occurs and to lead to the increase of propane conversion and the decrease of propylene selectivity.
在氧化脱氢的反应条件下,容易发生丙烷和丙烯的深度氧化,导致丙烷转化率升高,丙烯选择性的下降。
Under the ODH reaction conditions, it can be find that the total oxidation of propane and propylene occurs and to lead to the increase of propane conversion and the decrease of propylene selectivity.
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