catalyst的意思、解釋

  復數形式：catalysts;

名詞觸媒，催化劑; 〈比喻〉觸發因素; 促進因素; 〈口〉有感染力的人

1. 催化者：二、依靠催化者(Catalyst)建立平臺,而不是由CEO領導. 維基百科創辦人威爾斯(Jimmy Wales)在建立平臺后,只專注在維持維基百科的健全發展這件事上,其他管理細節,一蓋不碰,讓維基社群完全自主發展. 三、靠意識型態(ideology)凝聚社群.

2. 催化：面對英中日趨良好的貿易前景,作為位于倫敦的英天通商,無論對英國還是中國彩虹7光觸媒(photocatalyst)是光+催化(catalyst)的合成語.作為半導體物質,這是以光作為能源進行催化反應,從而氧化分解各種有害氣體和細菌.功能強大;

1. In solvent and under the action of certain catalyst, anilino methyl siloxane is reacted to obtain solid cage anilino methyl sesquisiloxane octamer acid salt; and through filtering, washing, precipitation and reaction with amine desalting agent, cage anilino methyl sesquisiloxane octamer is finally prepared.

本專利提供了一種籠型八聚苯胺甲基倍半硅氧烷的制備方法，苯胺甲基硅氧烷在一定溶劑和催化劑作用下反應，過濾得到籠型八聚苯胺甲基倍半硅氧烷酸式鹽固體，經過洗滌、沉淀，再與胺類脫鹽劑作用，最終制得籠型八聚苯胺甲基倍半硅氧烷。

2. In order to increase the reaction rate of the heterogeneous Fenton-like oxidation, the catalyst of Fe3+C2O4/R was used to catalytically decompose H2O2 for the removal of malachite green in aqueous solution under the visible light irradiation condition.

為了強化多相類芬頓反應的速率，在可見光下采用以草酸鹽為配體的三價鐵草酸絡合物(Fe3+C2O4/R)為催化劑催化過氧化氫降解水中孔雀石綠。

3. This gas is then reacted in the presence of a catalyst to produce a synthetic oil.

這種合成氣然后再在催化劑的存在下產生出一種合成油。

4. A novel MoS2/C catalyst for one-step synthesis of ethyl acetate from ethanol wasinvented.

本文開發了一種全新的基于MoS2/C催化劑的乙醇一步法合成乙酸乙酯的工藝。

5. With representation of typical zeolites Y and ZSM-5, our energetic calculating results can well explain the results of Sreekumar et al about Thio-Claisen rearrangement with and without zeolite catalysts, which is that syn conformation is the main product without catalyst, while anti conformation is the only product with zeolite catalyst.

以Y和ZSM-5兩種典型分子篩為例用能學計算結果能較好地解釋Sreekumar等人有、無分子篩催化條件下Thio-Claisen重排手性反應結果，即：無催化劑時，反應產物以順式為主，有分子篩介入時，只能生成反式產物。

6. The deactivated catalyst was regenerated at 550℃ by coke-burning, and its majority of activity could recover.

失活催化劑在550℃燒焦再生，活性可基本恢復。

7. The results showed that the coke-burning rate is in first order with respect to both carbon content and oxygen partial pressure. Because of the internal diffusion, the coke-burning rate for large particle catalyst is only about 60% of that for the small one.

結果表明，大顆粒FCC汽油芳構化催化劑的燒碳反應速率與碳含量和氧分壓的關系符合一級反應規律；但由于受內擴散的影響，其燒碳反應速率僅為本征燒碳反應速率的60%左右。

8. Factors affecting catalyst regeneration were discussed based on the coke-burning kinetics of cracking catalyst and the chemical reaction engineering principles.

利用裂化催化劑上的燒碳動力學和化學反應工程學原理，討論了催化劑再生的影響因素，并通過再生器的燒焦計算，重點討論了再生溫度、過程熱效應、催化劑循環和再生器構型的影響。

9.

9. Integrated production of activated carbon was 3000 tons; mercury catalyst production using advanced vacuum adsorption, the main equipment has: Enamel Reactor Units 2, 4 sets of drying equipment, vacuum pump 4, a closed two screening machines, at an annual rate 1000 tons, our factory can be based on user specific requirements for processing operations.

活性炭年綜合產量3000噸；汞觸媒生產采用國內先進的真空吸附法，其主要設備有：搪瓷反應罐2臺，烘干設備4臺，真空泵4臺，封閉式篩選機兩臺，年產量可達1000噸，我廠可根據用戶特殊要求進行加工業務。

10.

10. In order to allow Ni catalyst work at a mild temperature with little sintering and carbon formation, the influence of composition of reformer inlet gas on reforming temperature at a certain space velocity and conversion of feed CH4 was studied. At the same time, a method of changing inlet gas composition by introducing circulating gas into the feed gas was also discussed.

為了使Ni系催化劑在不易發生燒結積炭的溫度下工作，分析了在一定原料CH4空速和轉化率下人口氣體組成對重整工作溫度的影響，并探討了在原料氣中導入循環氣來改變重整人口氣體組成的方法。

11. This paper introduces the light gaso line etherify technology, brings fo rward the project of building the light gaso line etherify device on th e catalyst cracking cell in the refin ery plant.

介紹了輕汽油醚化技術，提出了在煉油廠催化裂化單元建設輕汽油醚化裝置的方案。

12. The artificial imitates the process of the enzyme is to regards certain organism numerator as the live center of its enzyme to imitate to suffer, the modifier produces the live catalyst group regiment with the tiny environment in special space, and we study its host and guest for identifying matching with function, further quested a process for biological phenomenon.

人工模擬酶的過程是將其酶的活性中心以一定的有機分子為模擬受體，修飾產生活性催化基團和特有的空間微環境，并研究其主客體間的識別配合作用，進一步探索生命現象的過程。

13. This invention provides a method for preparing hydrogenation catalyst containing phosphorus supported by aluminum oxide. The catalyst is composed of nickel oxide 1-10 wt.%, molybdena oxide and tungsten oxide 10-50 wt.

以氧化鋁為載體的含磷加氫催化劑及其制備，該催化劑焙燒后的組成為氧化鎳1-10重量％，氧化鉬和氧化鎢之和大于10至50重量％，氧化磷1-9重量％，余量為氧化鋁，其中，以氧化物計，鎢和鉬的摩爾比大于2.6至30。

14.

14. Molybdena oxide and tungsten oxide 10-50 wt.%, and carrier. The catalyst is prepared by introducing nickel, molybdena and tungsten into the carrier containing molecular sieve.

該催化劑由包括向一種含分子篩的載體引入鉬、鎳和鎢的方法制備，其中，各組分的用量使催化劑焙燒后的組成為：氧化鎳1-10重量％，氧化鉬和氧化鎢之和大于10至50重量％，余量為載體。

15.

15. Using the CuCl CO 2 as catalyst, the processes of alkoxylation of non activated aromatic bromides were studied.

使用CuCl－CO2為催化劑，研究了非活性芳香溴化物烷氧基化反應條件。

16. catalyst

16. Solid super acid; SO_4~(2-)/Fe_2O_3; Modified catalyst; Alkoxylation; Nitration

固體超強酸； SO_4~(2-)/Fe_2O_3；改性催化劑；甲氧基化；硝化

17. Castor oil-polyether copolymer polyols was synthesized by the alkoxylation reaction of renewable resource-castor oil with propylene oxide in the presence of DMC catalyst. Chemical structure of castor oil-polyether polyols was analyzed by 1HNMR and FTIR.

以可再生資源－蓖麻油作為起始劑，環氧丙烷開環聚合制備了不同分子量的蓖麻油－聚醚多元醇，并通過1HNMR和FTIR等手段來分析蓖麻油－聚醚多元醇的結構。

18. catalyst

18. Therefore, it is reasonable to infer that by using the catalyst of prop...

本文著重討論了關于催化劑成型方法的研究結果。

19. The catalyst is suitable for reuse, and the addition of CeO2 can reduce the loss of active ingredients.

催化劑的重復使用性好，CeO2的加入可以減少活性組分的溶出量。

20. The effect of reduction time of catalyst on the structure of catalysts was studied.

結果表明：增加還原時間，有利于提高活性組分在載體表面的分散度，有利于增加催化劑的比表面積。

1. 催化劑;誘因;誘導者

You can describe a person or thing that causes a change or event to happen as a catalyst .

catalyst

e.g. I very much hope that this case will prove to be a catalyst for change...

我非常希望這起事件能催生變革。

e.g. He said he saw the bank's role as a catalyst to encourage foreign direct investment.

他說，他認為銀行就應該起到刺激外國直接投資的作用。

2. (化學)催化劑

In chemistry, a catalyst is a substance that causes a chemical reaction to take place more quickly.

catalyst什么意思

1. The reforms will act as a catalyst to remove bureaucratic impediments, improve efficiency and inspire society to act on its own.

2. Scientists have speeded up that process in the laboratory by grinding rocks and adding a catalyst like sodium citrate to dissolve them.

3. He said recent moves by the Chinese government to simplify foreign exchange approval procedures could prove a catalyst for more mergers and acquisitions.

4. Michael's mother died of cancer ten years ago - and the star cites her passing as a catalyst to his problems.

5. There didn't appear to be any one catalyst for the surge that saw the Dow nearly double its gain in the last hour of trading.

6. Local government officials hope the airport will be the catalyst needed to transform the metropolis into a new aviation hub in Asia.

7. Another catalyst was the completion of JW Marriott Hotel Shanghai opening in 2003, as it was very high quality in many aspects and very visible.

8. China's holidays are an essential catalyst for the development of the service sector and service brand building and necessity is the mother of invention.

9. He said he hoped his coming out would be a catalyst for intelligent discourse and took a measured approach to NBA players'reactions.

10. The fight against terrorism reflects that a convergence of interests between two nations can serve as a catalyst for a strong rapport.

noun

1. something that causes an important event to happen

e.g. the invasion acted as a catalyst to unite the country

2. (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected

Synonym: accelerator