查询词典 catalytic

The effects of concent of catalyst, pH value and lamp-house on the catalytic oxidation were investigated.

考察了催化剂的用量、pH值及不同光源对降解作用的影响。

Catalytic autoxidation of AA was inhibited by stable Cuamino acid complexes; histidine, having the highest conditional stability constant for its Cu-complex, showed the strongest inhibitive effect.

稳定之含铜氨基酸复合物会抑制抗坏血酸之自氧化；组氨酸对铜离子复合物有很高的稳定性，且具有很强之抑制作用。

The bioinformatics analysis showed that the gene had the highest homology with the gene of Penicillium janthinellum, which reached up to 76%. The first 26 amino acids might be a signal peptide sequence with the hydrophobicity of up to 2.63. The CBHⅠ gene consisted of the catalytic domain, convergence zone and cellulose-binding domain and its tertiary structure was mainly composed of 3-sheets.

分别扩增到鹅源草酸青霉F67纤维素酶CBHⅠ基因片段A(EU574736)、5'端序列B1(EU603295)、3'端序列B2(EU652768)及全长基因C(EU727171)，并成功构建真核表达载体pPIC9K-CBHⅠ；生物信息学分析表明，该基因蛋白序列与微紫青霉氨基酸序列同源性最高，达76%，前26个氨基酸为信号肽序列，疏水性可达2.63，由催化功能域、衔接区和真菌性纤维素结合域构成，其三级结构主要为β-sheet。

Methods After collecting the benzene series in the air inlet and air outlet of the three way catalytic converser in 100% working loads, their health risk was assessed with the methods of health risk assessment.

采集分析100%负荷下三元催化器进气口和出气口中苯系物的浓度，利用健康环境风险评估方法比较催化前后苯系物健康风险的变化。

The effects of the different rare earth in catalyst on catalytic activity and molecular weight of copolymer were studied.

考察不同稀土元素对组成的催化剂活性和共聚物分子量的影响。

The results show that the obvious positive comonomer effect was exist in in situ copolymerization catalytic system.

结果表明，在原位共聚催化体系中存在明显的共单体效应。

A dimeric catalyst is formed from titanium main catalyst and alkylauminium cocatalyst and the copolymerization catalyst is formed from metallocene catalyst and corespondent cocatalyst, and the above-mentioned both catalysts are formed into the invented double-function catalytic system which can directly make ethylene implement dimerization in same polymerization system, and at the same time, produce copolymerization reaction to form linear low-density polyethylene.

一种用于由乙烯合成线性低密度聚乙烯的双功能催化体系，二聚催化剂由钛系主催化剂和烷基铝助催化剂组成，共聚催化剂由茂金属催化剂和相应的助催化剂组成，这两种催化剂组成的双功能催化体系，可在同一聚合体系中，直接使乙烯二聚的同时就地发生共聚反应，生成线性低密度聚乙烯。

Catalytic co-pyrolysis of corncob/LDPE mixture was performed in nitrogen and hydrogen atmospheres

低密度聚乙烯与玉米芯混合物在氮气氛围中共同热解时，在2：8的混合

This paper is focus on the measurement of laminar flame propagation velocity of premixed CH4 with air under two kinds of conditions through the counterflow experimental system.one is with steam catalytic reforming reactions;the other is not.

燃烧系统的各种排放物是空气的主要污染源，城市中的机动车的污染已形成越来越大的威胁。自上世纪70年代末，我国机动车的污染排放量以每年12.7%的速度递增。

In this paper was preformed numerical simulation of catalytic combustion of CH4 for micro-burner with counterflow heat exchanger using both FLUENT and surface chemistry subroutine DETCHEM.

本文联合使用CFD软件FLUENT和化学反应动力学软件DETCHEM对甲烷-空气混合物在有逆流换热的微燃烧器内的催化燃烧进行了数值模拟。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。