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单词 catalytic
释义
catalytic
(kætəlɪtɪk )
1. adjective [ADJECTIVE noun]
In chemistry, a catalytic substance or a substance with catalytic properties is a substance which increases the speed of a chemical reaction.
...carbon molecules with unusual chemical and catalytic properties.
2. adjective [usually ADJECTIVE noun]
If you describe a person or thing as having a catalytic effect, you mean that they cause things to happen or they increase the speed at which things happen. [formal]
Governments do, however, have a vital catalytic role in orchestrating rescue operations.
Collocations:
catalytic activity
In its turn, anatase stabilized baddeleyite, which has a higher catalytic activity than ruffite.
D. Kh. Sembaev, F. A. Ivanovskaya, V. M. Pochtennaya 2000, 'Catalysts for Alkylbenzene and Alkylpyridine Ammoxidation', Eurasian Chemico-Technological Journal 
The catalytic activity was enhanced with the comonomer feed concentration, but the molecular weight and melting temperature decreased.
Patcharaporn Kaivalchatchawal, Pattiya Suttipitakwong, Sutheerawat Samingprai, Piyasan Praserthdam, Bunjerd Jongsomjit 2011, 'The Influence of Comonomer on Ethylene/α-Olefin Copolymers Prepared Using [Bis(N-(3-tert butylsalicylidene)anilinato)] Titanium (IV) Dichloride Complex', Molecules
The catalytic activity and the stability of the film could be controlled by the concentration of alginate used during electrosynthesis.
Sung Yeol Kim, G. Tayhas R. Palmore 2012, 'Conductive hydrogel for bio-electrocatalytic reduction of dioxygen', Electrochemistry Communications
The influence of the amount and type of heteroatom on the catalytic activity was investigated.
Jian Yang, Lihong Niu, Zhijun Zhang, Liang Yan, Lingjun Chou 2018, 'Preparation and Study of Multi-Heteroatom Carbon Nanotube as Excellent Electrocatalyst for Oxygen Reduction Reaction Using Polydopamine Derivative', Advances in Materials Science and Engineering
Higher catalytic activity and selectivity for propene were associated with vanadium oxides.
Sathler M.N.B., Eon J.G. 1998, 'THE INFLUENCE OF NIOBIUM ON THE ACIDITY AND STRUCTURE OF GAMMA-ALUMINA-SUPPORTED VANADIUM OXIDES', Brazilian Journal of Chemical Engineering
catalytic effect
But appealing over the heads of oppressive regimes in support of their captive populations can have a powerful catalytic effect.
Times, Sunday Times (2011)
Sometimes other elements of equipment or format have a catalytic effect on popularity.
Times, Sunday Times (2011)
The first fiscal policy report could have a similar catalytic effect.
Times, Sunday Times (2010)
We have a tiny percentage of the national budget but we can have a catalytic effect.
Times, Sunday Times (2012)
Translations:
Chinese: 催化的
Japanese: 触媒の
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更新时间:2024/11/15 12:19:27