用過的催化劑 的英文怎麼說
中文拼音 [yòngguòdecuīhuàjì]
用過的催化劑
英文
used catalyst-
Uses : used in the manufacture of persulfate ; used in the manufacture of aniline dyes ; used in the treatment of oxidized metal surface ; used as the initiator for the polymerization of monomers ; used in decoloring and bleaching of oil, cleaning and deodorization of deteriorating barm, accelerating ripening agent ; used as additive for under - well fracturing in petroleum mining
用途:用於製造過硫酸鹽的製造;用於苯胺染料的製造,甕染料的氧化發色劑;用於氧化金屬表面處理;用於有機合成工業中,高分子物聚合的引發劑;油的脫色和漂白,變敗酵母的洗滌,脫臭,小麥的催熟劑;石油開採用于井下壓裂的添加劑。Such as when the substrates was benzidine and a - naphthol, the absortion peak was 450nm after catalyticed by dna, and 501nm after catalyticed by pod, if changing substrate to benzidine and pyrocatechol, the absortion peak was 503nm after catalyticed by dna and 603nm after catalyticed by pod. the second difference was the different result after hplc : the result of hplc ( substrates : benzidine and a - naphthol ) showed that the products under the affect of dna and pod had different value on the peak and the area
然後對以聯苯胺與-萘酚為底物,以h _ 2o _ 2為氧化劑,進行高效液相色譜分析,分析結果表明dna與過氧化物酶作用后的產物在峰面積和峰高上有不同數值;同時,不同形式的dna對該反應都有催化活性,表明只要是生物來源的dna (非特異性dna )都具有一定程度的催化活性。In this paper, glycidyl ether, which was high epoxide value and low viscosity, was synthesized from 2 - trimethylene glycol, epichlorohydrin and the normal butyl alcohol by phase transfer catalyst based on the orthogonal experiment design
摘要採用1 , 2 -丙二醇、正丁醇和環氧氯丙烷為原料,在相轉移催化劑的作用下反應,通過正交實驗合成了的高環氧值、低粘度的混合醇縮水甘油醚。The research status of the world diesel exhaust aftertreatment technology is summarized systemicallyo at the same time, the development status and problems about oxygenation catalysis converter and particulate filter are analyzed on the basis of mentioned informations, we bring up a diesel exhaust cleanse system, that adopts the technique course of catalysis conversion combining particulate collection and regeneration the system collects exhaust particulate by means of efficacious filtering material it can oxidize ho co and macromolecule solvable organic via catalyst and diesel oil additive enhanced temperature will partly oxidize collected particulate and ultimately achieve the aim of exhaust reduction, after processing system frame design and trial matching, it ' s detected that the system can surely cleanse gas exhaust and particulate in addition, gas - ejected combustion - supporting regeneration for diesel particulate filter is also researched, we have rudimentarily designed the software and hardware of the g as - ejected combustion - supporting system having processed a series of trials, we discover the rules of the system credibly working these rules demonstrate the right direction for researching gas - ejected combustion - supporting regeneration technology
本文系統地介紹了國內外柴油機排氣后處理技術的研究現狀,分析了氧化催化轉化器和微粒捕集器的發展現狀及存在的問題,以此為基礎,提出了一種柴油機排氣凈化系統,該系統採用催化轉化與微粒捕集及再生相結合的技術路線,通過過濾材料的有效過濾,將排氣中的微粒進行收集,藉助于催化劑和柴油添加劑使排氣中hc 、 co及高分子可溶性有機物氧化,產生的高溫使得收集到的微粒部分氧化,從而達到降低排放的效果。通過系統結構設計和試驗匹配,實現了對氣體排放物和微粒的凈化。同時,論文中還進行了柴油機微粒捕集器噴氣助燃再生的研究,初步設計了噴氣助燃系統,進行了控制系統軟、硬體的開發,通過正交試驗,摸索出了噴氣助燃系統可靠工作的一般規律,為噴氣助燃再生技術的開發提供了方向。Many processes that are essential to the chemical industry use heterogeneous catalysts.
很多重要的化學工業過程就是使用多相催化劑的。The elasticity polyurethane joint sealing material is one kind of joint sealing materials for concrete pavement joint which can use at normal temperature. it will solidify by chemic - reaction when commix the polyurethane preploymer, cross link agent, filling, plasticizer and catalyzer
聚氨酯彈性嵌縫料是一種由聚氨酯預聚體主劑與交聯劑、填料、增塑劑以及催化劑混合后通過化學反應交聯固化的常溫施工式水泥混凝土路面用嵌縫材料。Through using novel reforming catalysts and methanol synthesis catalyst, optimizing operation process, supplying the desorbed gas of psa unit to reformer, etc., the methanol synthesis process has been improved
通過使用新的轉化催化劑及甲醇合成催化劑,優化運行工藝,在轉化爐入口添加變壓吸附裝置解吸氣等措施,使焦化干氣制甲醇工藝技術得到進一步提高。Finally, based on summarization of development status on catalyst for isobutylene preparation from isobutane through dehydrogenation, the suggestion was given that the great effort should pay to the development, utilization reasonably of abundant isobutane resource in china
最後,通過對我國異丁烷脫氫制異丁烯催化劑開發現狀的總結,指出我國應大力合理開發利用豐富的異丁烷資源。Through orthogonal design experiments on synthesizing p - tert - butylcstechol from hydroquinone and isobutylene by using a new catalyst prepared from cobalt naphthenate and zinc chloride, the optimum technology parameters were obtained : mole ratio was 1 : 1. 15 for hydroquinone and isobutylene, mass ratio was 100 : 20 for hydroquinone and catalyst, and the reaction temperature was 100 5
摘要用環烷酸鈷與氯化鋅復配的新型催化劑,以鄰苯二酚、異丁烯為原料合成對叔丁基鄰苯二酚,通過正交實驗確定的較佳工藝參數為:鄰苯二酚:異丁烯(物質的量比) 1 : 1 . 15 ,鄰苯二酚:催化劑(質量比) 100 : 20 ,烷基化反應溫度100 5 。The hydro - demetallization kinetic model and the expression of catalyst deactivation function were proposed on the base of appropriate hypothesis used in common kinetic research methods and the operation data from maoming ' s residue hydrodesulfurization treatment unit ( s - rht )
摘要依據茂名渣油加氫工業裝置( s - rht )的大量實測數據,通過合理的模型假定,採用常規的動力學模型研究方法,建立了渣油加氫脫金屬動力學模型和催化劑失活函數表達式。Ht hydroconversion catalyst has a high activity in low temperature. high ability to saturate the olefin and canvert the organic sulfide into inorganic one in gas and liquid of hydrocarbon of the natural gas. oil and coked gas in synthetic ammonia, methanol gas and hydrogen making industries
Ht加氫轉化催化劑具有優異的加氫轉化和烯烴飽和活性,具低溫活性較好,可用於制氫、合成氨和甲醇等過程的加氫轉化反應器內,將烴類原料中的有機硫和烯烴進行加氫轉化和加氫飽和,以達到凈化原料的要求。The behavior of 1, 6 - enyne in the presence of transition metal catalysts had been extensively studied. 1, 6 - enyne cycloisomerization reactions catalyzed by transition metals and three different reaction pathways, namely cyclometalation, halorhodation and - allyl rhodium route, divided according to the reaction mechanism are summarized and discussed
摘要1 , 6 -烯炔底物在過渡金屬催化劑作用下的化學行為得到了廣泛的研究,重點是關于過渡金屬催化的1 , 6 -烯炔環異構化反應,從反應機理角度入手,把1 , 6 -烯炔環異構化反應按啟動方式總結為三類,關對這三種方式啟動的1 , 6 -烯炔構化應進行了詳細地總結和闡述。Based on the dimensions, structures, shapes of the pores and the surface components of the porous minerals and rocks, this paper has summed up characteristics of typical porous minerals and rocks such as attapulgite, montmorillonite, sepiolite, zeolite and diatomite, and evaluated their application as filters, sorbents, ion exchangers and catalysts in environmental engineering
本文從微孔的尺度、結構、形態、成分等表面固體特徵出發,概括性地論述了凹凸棒石、海泡石、蒙脫石、沸石、矽藻土等十幾種多孔結構礦物(巖石)在環境修復工程中用作過濾材料、吸附劑、離子交換劑和催化劑等材料時的基本特徵和使用時應注意的問題。Tar content in the gas was influenced by the gasification conditions, such as the gasification temperature, residence time of feedstock in the gasifier and the type of feedstock, which can help us to investigate the mechanism of tar production in gasification process. catalytic cracking of tar was performed in a downstream secondary fixed - bed cracker with dolomite, limestone and alumina brick as catalysts. by comparison, thermal cracking of tar was also performed with silica carbide
在固定床二級催化裂化反應器上,實驗了白雲石、石灰石、高鋁磚等幾種催化劑作用下的焦油催化裂化過程以及炭化硅作用下的熱裂化過程,並對裂化溫度( 650 950 ) 、氣相停留時間( 0 . 5 1s )和催化劑類型等過程參數對焦油轉化效果和熱解煤氣的影響進行了分析,對各種催化劑材料的性能進行了比較,力爭開發出可適用於工業化生物質氣化系統的焦油催化裂化技術。Abstract : the synthetic method of pentaerythrito naphthenate by n on - acid catalyst sno was studied. the influences of mole ratio of ethanediol and naphthenic acid, a mount of catalyst, reation time, reation temperature etc. on est erification were discussed and the suitable processing conditions were found
文摘:介紹了用氧化亞錫非酸性催化劑催化合成環烷酸季戊四醇脂的方法,通過討論醇酸摩爾比、催化劑用量、反應時間、反應溫度等因素對該脂化反應的影響,從而確定了適宜的工藝條件The development of liquid - phase oxidation of alkane under mild conditions was introduced, which includes the utilization of oxidants such as organic peroxide, ozone, hydrogen peroxide, molecular oxygen and air, and catalytic oxidative systems such as homogeneous, heterogeneous, and mimetic peroxidase catalytic systems
摘要介紹了在溫和條件下烷烴的液相氧化進展,包括利用有機過氧化物、臭氧、過氧化氫、氧氣和空氣為氧化劑,利用均相催化劑、多相催化劑和模擬酶催化劑組成的催化氧化體系。We found a novel " weight effect of catalyst to the carbon nanotube cvd growth, which can dramatically enlarge the net ratio of carbon nanotubes. furthermore, by changing the reactant, new carbon nanotubes doped with nitrogen was fabricated. secondly, based on the successful catalysis synthesis of aluminum borate nanowires, a method to synthesize this excellent enhanced material with large yield was developed
通過系列實驗發現了碳納米管cvd合成中的「催化劑的重量效應」 ,該效應能夠極大地提高碳納米管的產率(凈產率達到1450 )和純度(大於90 ) ,並且有希望應用於其它一維納米材料cvd催化合成;改變碳源,大量合成了摻有氮的碳納米管。Abstract : by comparing the dehydration methods of three catalytic by comparing the dehydration methods of three catalytic esterification reactions and the catalysts used under negative by comparing the dehydration methods of three catalytic esterification reactions and the catalysts used under negative pressure, the better method of synthesizing 2 - ethylhexyl chloroacetate is using stannous oxide as catalyst under negative chloroacetate is using stannous oxide as catalyst under negative pressure
文摘:通過對三種催化酯化反應的脫水方法及負壓下使用不同催化劑的比較和通過對三種催化酯化反應的脫水方法及負壓下使用不同催化劑的比較和選擇,提出了以氧化亞錫為催化劑負壓脫水合成氯乙酸2 -乙基己酯的方法。Finally, it briefly discusses the feasibility, the applying foreground and the approach with regard to the calculating method about the amount of catalyst provided in this paper by integrating the ascending - velocity field and cloud water field in the possible working section abstracted from the mm5 mesoscale model with the thickness of the ice crystal particles in nucleation layer and supercooled water quantity which is surveyed by the plane
得出適合的催化劑引入高度等。最後,簡要討論了用mm5中尺度區域模式提取可能作業區的升速場和雲水量場,並結合飛機實測核化層冰晶粒子濃度、過冷水量等,探討了本文提出的催化劑用量計算方法的可行性,應用前景和途徑。In order to study these questions, we researched three topics in this paper mainly : 1. we prepared zno nanowires using chemical vapor deposition ( cvd ) method based vapor - liquid - solid ( vls ) mechanism. our object was getting arrayed and controllable growth of zno nanowires through integrating the controllable ability of vls mechanism and merits of cvd and controlling the technique conditions of preparation
針對以上存在的問題,本文主要在以下三個方面進行了初步的探索: 1 .採用基於氣-液-固( vls )生長機理的化學氣相沉積( cvd )法制備zno納米線,結合vls機理對生長過程的控製作用以及cvd方法的優點,通過對催化劑、源溫度、生長溫度和反應氣氛等工藝條件的控制,得到納米線的陣列化生長。分享友人