And this is usually done over catalysts, like an iron oxide catalyst or something.
经常还需要一些催化剂，像氧化铁催化剂或其它东西用。
The performance of oxide catalyst for naphtha cracking was studied in a fixed-fluidized bed reactor.
使用固定流化床，考察了氧化物催化剂催化裂解石脑油制乙烯的反应。
The invention is a method for producing a metal oxide catalyst useful for purifying exhaust gases and waste gases from combustion processes.
本发明是可用于纯化来自燃烧工艺的尾气和废气的金属氧化物催化剂的制备方法。
The TPD results of adsorbed propylene on Fe-Sb oxide catalyst have been compared with those on Mo-type oxide catalyst (C-41). It is believed tha…
比较了铁锑和钼系（C-41）两种氧化物催化剂上吸附丙烯后的程脱结果，并提出了丙烯在铁锑氧化物催化剂上的氧化机理。
To abate the pollution of industrial waste gases, containing CO and organic hydrocarbons, a copper-rare earth oxide catalyst of monolithic form was developed.
研究了含铜-稀土氧化物的非贵金属蜂窝状催化剂，目的是用于含烃类工业废气的净化。
The hydroxylation of phenol to produce dihydric phenol is a rapid and strongly exothermal reaction, the activity of the complex-oxide catalyst decreased rapidly.
苯酚直接羟化制备苯二酚为液固相的强放热快反应，催化剂的活性衰减很快。
By contrast the traditional zinc oxide catalyst and from the point of preparation cost, we decide use sulfuric acid activated solid superacid as synthesis catalyst.
从催化剂效率和成本的综合因素考虑，对比传统的催化剂氧化锌，本文提出了使用硫酸促进的氧化物固体超强酸作为合成反应的催化剂。
The possibility of preparing p-methyl styrene from p-ethyltoluene by dehydrogenation on iron oxide catalyst originally used for dehydrogenation of ethyl benzene was studied.
探讨了乙苯脱氢的氧化铁系催化剂用于对乙基甲苯脱氢制取对甲基乙烯的可能性。
The effects of catalyst preparation and hydrogenation conditions on the activity of copper-chromium oxide catalysts for selective hydrogenation of soybean oil was investigated.
通过铜铬氧化物催化剂用于豆油的选择氢化，研究了制备方法及氢化条件对催化剂活性的影响。
This paper introduces some kinds of catalysts for automobile exhaust purification, such as Three Way Catalysts (TWCs), perovskite oxide catalyst, and molecular sieve catalyst by metal ions.
综述了目前国际上催化消除汽车尾气催化剂的研究现状，分析了三效贵金属催化剂、钙钛矿氧化物催化剂、分子筛催化剂各自的优势和存在的问题。
The device, reported in the journal Science, uses a standard parabolic mirror to focus the sun's rays into a reaction chamber where the cerium oxide catalyst breaks down water and carbon dioxide.
这种在《科学》杂志里所报道的装置使用一个标准的抛物柱面镜把阳光搜集进一个反应室。在这个反应室里，铈氧化物催化剂可以分解水和二氧化碳。
Rare earth perovskite-type oxide catalyst as a substitute for traditional rare metal catalyst has a great potential to purify automotive emission due to good catalytic activity and low cost.
钙钛矿型稀土氧化物催化剂具有较好的催化活性，成本低廉，在替代传统的贵金属催化剂净化汽车尾气方面潜力巨大。
The polyoxyethylene alkyl phenyl ether obtained by calcium oxide catalyst had perfect quality with narrow molecular weight distribution, high cloud point, good appearance and low by - product PEG.
乙氧基化制得的烷基酚聚氧乙烯醚产品分子量分布窄，浊度高，外观色泽好，副产物聚乙二醇（PEG）低。
They engineered it so that one end carries a catalyst-iridium oxide. Bound at the other end are light-sensitive pigments, zinc porphyrins.
他们将其重新编程，使一段带有催化剂——氧化铱，另一端则带有光敏色素锌卟啉。
Moreover, soil containing biochar releases less methane and less nitrous oxide than its untreated counterparts, probably because the charcoal ACTS as a catalyst for the destruction of these gases.
此外，与未经过处理的土壤相比，含生物碳的土壤会释放较少的甲烷和一氧化二氮。
The synthetic technological conditions of dodecyl dimethyl tertiary amine oxide were studied by orthogonal experiments. The optimum synthesis conditions were obtained in the presence of catalyst.
采用正交试验法对十二烷基二甲基氧化胺的合成工艺条件进行了研究，获得了在催化剂存在下的最优合成条件。
Synthesis technology and property of hydroxypropyl starch by using potato starch as raw material, propylene oxide as etherization reagent and sodium hydroxide as catalyst, were studied in this paper.
本文以马铃薯淀粉为原料，环氧丙烷为醚化剂，氢氧化钠为催化剂对低取代度羟丙基淀粉的制备工艺进行了研究。
There maybe has oxide of copper in the surface of nano copper catalyst particles.
在纳米螺旋碳纤维中的催化剂颗粒表层，可能有铜的氧化物存在。
The cobalt oxide is produced from cobalt catalyst waste by using acidolysis precipitate method.
用含钴催化剂废料作原料，采用酸溶-沉淀法工艺制取氧化钴。
The introduced oxygen in the passivated procedure reacts with the catalyst surface to form the thin oxide layer.
而在表面钝化过程中引入的氧则在催化剂表面形成氧化薄层。
The epoxidation of propylene to propylene oxide, using cumene hydroperoxide as oxidant, molybdenum glycol complex as catalyst and ethanol as solvent, has been investigated.
研究了以钼醇配合物为催化剂，过氧化氢异丙苯为环氧化剂，乙醇为溶剂的丙烯一步氧化制环氧丙烷的反应。
Cuprous oxide and zinc oxide can be recovered from waste copper catalyst by a wet process. The principle and the optimum conditions of the process have been studied.
研究了以湿法回收利用废铜催化剂中的铜、锌制取氧化亚铜和氧化锌的原理以及最佳工艺条件。
The way using crude material furoic acid and propyl alcohol to synthesize propyl furoate is researched by catalyst stannous oxide. The yield is 77%.
以呋喃甲酸和正丙醇为原料，氧化亚锡为催化剂，合成了呋喃甲酸正丙酯，产率可达77% 。
Styrene epoxidation was carried out using styrene as the row material, molecular oxygen as the oxidant, and modified vanadium phosphorus oxide as the catalyst.
以苯乙烯为原料，分子氧为氧化剂，改性的钒磷氧化物为催化剂合成环氧苯乙烷。
Both iron oxide and its supported gold catalyst for water-gas shift reaction were prepared under various conditions through co-precipitation method.
采用共沉淀法在多种条件下分别制备氧化铁及其负载金催化剂，测定其水煤气变换反应活性。
Accordingly, the thermal stability of polysiloxanes may be influenced by oxide, water, alcohol, acid, base, residual catalyst, silicone oil, mechanical stress, filler or the end groups of itself.
氧气、水或醇、酸、碱或残留催化剂、硅油、机械外力、填料、聚硅氧烷的链端基等都会影响聚硅氧烷的热稳定性。
Etherification of methanol with ethylene oxide (EO) was investigated systematically on the pillared rare earth solid acid catalyst.
全面系统地考察了在层柱稀土固体酸催化剂上甲醇和环氧乙烷醚化反应。
A new heterogeneous catalyst, i. e. lead-zinc double oxide has been developed.
开发出一种新型高效氧化铅一氧化锌催化剂。
A process of reacting propylene oxide with methanol using basic catalyst ta is investigated.
研究了甲醇与环氧丙烷在碱性催化剂TA存在下均相合成丙二醇甲醚的过程。
A process of reacting propylene oxide with methanol using basic catalyst ta is investigated.
研究了甲醇与环氧丙烷在碱性催化剂TA存在下均相合成丙二醇甲醚的过程。
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