裂化催化劑 的英文怎麼說
中文拼音 [lièhuàcuīhuàjì]
裂化催化劑
英文
cracking catalyst-
A second more severe water test is to place the catalyst in boiling water and observe for any disintegration.
第二個更苛刻的泡水試驗是將催化劑放在開水中檢查有沒有開裂。To pass the water test the catalyst should not disintegrate or crumble.
經過泡水試驗,催化劑應不開裂或破碎。The improvement of the cracking quality of gasoline by calp catalysts
復合型催化劑提高裂解汽油質量While still not evidenced in our experiment, liquid - phase doping of ammonium molybdate solution has been broadly agreed to be able to significantly increase the yield of swnts. we have developed another doping method, solid - phase doping of metal molybdenum at elevated temperature, and discovered that sol - gel prepared catalyst with such doping can be used to grow multi - wall carbon nanotube bundles in a very large scale
對催化劑進行摻鉬處理表明,它可顯著提高催化劑催化裂解甲烷合成納米碳管的能力:作者在高溫下進行了催化劑摻入金屬鉬的實驗,得到了一種性能優異的催化劑,以此制備的多壁納米碳管的呈束狀分佈,所得的粗產物與催化劑之間的重量比達15倍以上。Application of the single stage hydrocracking catalyst zhc
02單段加氫裂化催化劑的應用Deactivation and regeneration of hydrocracking catalyst
幾種加氫裂化催化劑的失活與再生研究Ammonium fluoroborate solution
氟硼酸銨溶液裂化催化劑Modification effect of non - skeleton elements on performance of zeolite catalyst
非骨架元素對分子篩裂化催化劑性能的調變作用Uses : mainly used as raw material in making mix - met and extracting individual reo, it is also used for making petroleum catalysts
用途:主要用於製作取混合稀土金屬和提取單一稀土產品的原料,大量用於植被是由裂化催化劑。The introduction of acidic aluminosilicates as cracking catalysts in the 1940s led to higher yields of branched hydrocarbons with improved octane numbers
40年代作為裂化催化劑的酸性的鋁硅酸鹽的引入提高了辛烷值較高的支鏈烴的產量。The results provided theoretical basis for down - hole catalytic upgrading of heavy oil
探討了催化劑對稠油水熱裂解反應的催化機理。Heavy oil viscosity reduction of was studied by using toluene as additive for catalytic aquathermolysis reaction in this paper
摘要以鉬酸銨作為稠油水熱裂解反應的催化劑。The results showed that hydrothermal cracking occurred while injecting steam, and the catalyst had catalytic activity for hydrothermal cracking of heavy oil at higher temperature ; viscosity and average molecular weight of heavy oil was thus lowered
實驗結果表明,在注入蒸汽的條件下,遼河稠油可以發生水熱裂解反應,高溫下催化劑對水熱裂解反應具有催化作用。Correspondingly, xrd patterns revealed that carbon shells became graphitic somehow. the effects of organic solvents and catalysts / catalysts precursors on the structure and morphology of products were also investigated in this study. cyclohexane, instead of benzene, was proven to be a suitable solvent, as it would not pyrolyze in the reaction system
對金屬催化劑(或前體)以及有機溶劑與產物形貌關系的研究結果表明,苯作溶劑在反應條件下易裂解並形成積炭,從而阻礙了多孔碳產物的繼續生成,而選用環己烷可以避免類似的裂解反應。From a viewpoint of organic synthesis chemistry, the recent development and applications of molecular iodine as a catalyst in organic reactions including the formation and cleavage of common protecting groups, oxidation, reduction, cyclization, addition, substitution and rearrangement are reviewed
從有機合成化學的角度,按反應類型綜述了分子碘作為催化劑在有機化學中的應用,碘催化的反應主要涉及保護基團的形成和裂解、氧化和還原反應、成環反應、加成反應、取代反應和重排反應等。A process by which the hydrocarbon molecules of petroleum are broken into simpler molecules, as of gasoline or kerosene, by the addition of hydrogen under high pressure and in the presence of a catalyst
氫化裂解將石油的含氫分子分裂成更簡單的分子(象汽油和煤油的分子)的過程,此分裂過程是在加催化劑及高壓氫氣的條件上進行的Effects of dispersed catalysts, hydrogen donors and precursors of hydrogen donors on thermal diphenylmathane cracking reaction
催化劑和供氫劑及其前身物對二苯甲烷裂化反應的影響Simulating results reveal that hydrodynamics of catalysts in riser reactor is very complex due to the effect of injection and catalysts backmix dramatically near the nozzle, reaction products unevenly distributie along the riser height, there exists apparently temperature gap between gas - phase and solid - phase near the nozzle and the temperture of two phase is nearly equal at middle - top part
模擬結果表明,由於原料油射流的影響,提升管反應器內催化劑顆粒的流動特徵非常復雜,在噴嘴附近的催化劑顆粒存在明顯的滑落返混;裂化產物濃度沿提升管存在非均勻分佈;氣粒兩相間溫差在噴嘴附近顯著,在中上部氣粒兩相溫度幾乎相等。B ) the concept of ratio of conversion ; c ) effect of temperature and residence time on tar conversion ratio ; increasing the temperature and residence time is beneficial to tar cracking, and the effect is not evidence when t > 900c and > 1. 0s d ) effect of cracking temperature on the tar conversion ratio with sic ; e ) effect of different catalyst on the tar conversion ratio ; some catalyst was test in the experimental system and dolomite is a most promising one
研究了生物質焦油含量隨熱解溫度和生物質原料的變化趨勢,提出了生物質焦油裂解率的概念、探討了不同條件(熱解溫度、停留時間)下熱裂解的效果和不同催化劑,不同反應條件下對焦油催化裂解效果的影響,催化劑在使用過程中由於積碳、中毒等原因會使得活性喪失,本文針對催化劑活性的喪失以及再生進行丁試驗研究和理論分析。In this paper, the preparation and the purification of the carbon nanotubes was investigated. using the co catalysts produced by chemical co - deposition, the carbon nanotubes were synthesized by the catalytic chemical vapor decomposition method
採用催化劑裂解化學氣相沉積的方法,用化學共沉澱法制備的co催化劑,高產率的制備了多壁碳納米管。分享友人