英语释义

1. the transformation of a substance into two or more dissimilar substances usually by simultaneous oxidation and reduction

片语

disproportionation device歧化装置

disproportionation reaction[化学] 歧化反应

cumene disproportionation异丙苯歧化

co disproportionationco歧化

disproportionation growth歧化生长

disproportionation reactions[化学] 歧化反应

toluene disproportionation甲苯岐化

disproportionation reactor歧化反应器

catalytic disproportionation催化歧化

英汉例句

• Superoxide dismutase has an important role in disproportionation reactions. It has been widely used in food, daily chemical products and other fields.

  超氧化物歧化酶(SOD)有重要的歧化作用，被广泛地应用于食品，日用化学品等领域。

• This reaction involves disproportionation of the aldehyde.

  有任何副作用的反应吗？

• The filming on steel using the disproportionation reaction of sub-sulphide of Al was studied.

  对用低价硫化铝的歧化反应进行钢基镀膜作了定性研究。

• A mass of DMO in the transesterification course inhibited the disproportionation which has a small equilibrium constant. As a result, selectivity and yield of DPO were low.

  酯交换反应中由于反应物dmo的大量存在阻碍了平衡常数较小的歧化反应的进行，使得dpo选择性和收率较低。

• The toluene disproportionation shows the kinetic characteristic of a first order reaction under the experiment condition.

  甲苯歧化在本文实验条件下表现为一级反应动力学特征。

• Influences of modification species and modification times on activity and selectivity of the catalyst were also investigated using toluene disproportionation as the probe reaction.

  以甲苯的歧化反应为探针，考察了改性剂的种类和改性次数等因素对催化剂选择性和活性的影响。

• And because of disproportionation in economic development, the landless-farmers uneven distribution. there is population aging in some places.

  而且由于经济发展不均，失地农民分布不均，有些地方的失地农民出现老龄化趋势。

• A pulse technique is applied to kinetic study for disproportionation of toluene on mordenite catalysts.

  本文系用脉沖他化色谱技术进行丝光沸石催化剂上甲苯歧化反应动力学的研究。

• It was proved that CLC was a catalyst responsible for the disproportionation reaction of rosin.

  实验表明CLC在松香酯化反应过程中起了松香歧化反应的催化作用。

• Research on kinetics of disproportionation reaction for sulfur .

  元素硫的歧化反应动力学研究。

• Furthermore, the disproportionation of MPC into DPC under atmospheric-vacuum condition was studied.

  此外，本文还考察了常减压条件下MPC的歧化反应。

• The technique advance of C4 olefin aromatization, catalytic cracking and disproportionation for producing low-carbon olefin were introduced too.

  并介绍了C 4烯烃芳构化、催化裂解、歧化制低碳烯烃等新技术的研究进展情况。

• The catalyst prepared from treated natural mordenite has a good activity for disproportionation of toluene.

  对用浙江缙云县产天然丝光沸石制备甲苯歧化催化剂进行了研究。

• The results showed that the cross-linked clay had better catalytic activity to the disproportionation of 1,2,4-trimethylbenzene.

  结果表明：交联黏土催化剂对1，2，4-三甲苯歧化反应具有较好的催化活性。

• The deactivation kinetics for the vapor-phase disproportionation of toluene over mordenite catalyst has been studied by using a combined unit of micro-reactor under pressure and gas chromatography.

  本文采用加压微反-包谱-数据处理机联合装置研究了在丝光沸石催化剂上甲苯歧化反应的失活动力学。

• The participation of the formation water goes on through the hydrolysis disproportionation of organic matter during the evolvement process of organic matter.

  有机质演化过程中地层水的参与是通过有机质的水解歧化反应进行的。

• The strong acid is the active site for creaking para-diethylbenzene and ethylbenzene and it has little effect on p-isomer selectivity of disproportionation and isomerization.

  强酸位是对二乙苯和乙苯裂化的活性中心，而对歧化和异构化反应生成对位异构体的选择性影响不大。

• Moreover, IR spectra of ammonia on HM and its catalytic activity for toluene disproportionation reaction are determined under conditions approximating those that are actually carried out for this.

  在接近甲苯岐化反应实际进行的条件下，测定了HM上吸附氨的红外光谱和催化活性。

• The application of soft sensor and advanced process control technology in aromatics disproportionation unit is introduced.

  介绍了芳烃歧化装置应用软测量和先进控制技术的情况。

• The critical properties of both binary and ternary mixtures involved in the toluene disproportionation were measured by using a high-pressure view cell with visual observation.

  用高压观测池通过可视观测确定了苯、甲苯和对二甲苯等二元系及三元系的临界性质以及甲苯歧化反应混合物临界性质随着反应进程的变化规律；

• After the product of the disproportionation under vacuum was treated through washing and vacuum filtering, DPO with content over 98% could be obtained.

  减压歧化反应的产品再经过洗涤、抽滤等处理，可以得到含量为98%以上的dpo样品。

• Nano-Ni was first used as catalyst for disproportionation of resin acid.

  将纳米镍催化剂首次应用于树脂酸的歧化反应中。