裂解原料 的英文怎麼說
中文拼音 [lièjiěyuánliào]
裂解原料
英文
cracking stock-
This paper introduces the aging mechanisms of bio - oil and various methods to improve the stability of bio - oil, including drying, deashing, hot - gas filtration, vapor - phase catalytic pyrolysis, adding solvent and mild hydrogenation, etc
介紹了導致生物油不穩定的機理和各種提高生物油穩定性的方法,如原料乾燥、酸(水)洗脫灰、氣體高溫過濾、氣相催化裂解、添加溶劑和生物油適度加氫等。The production of biomass tar is influenced by gasifier type biomass feedstock, gasification agent and operation parameters, and it may cause great harm to the gasification system and gas consummation equipment. however, traditional tar removal technology, such as filtration, wet cleaning and thermal decomposition, ca n ' t meet with the need for relatively clean gas
熱解焦油的產生受到氣化器類型、生物質原料類型和性質、氣化介質、裂解氣化條件等因素的影響,其對氣化系統和用氣設備等產生不利影響,而目前常採用的焦油脫除方法,如水洗、乾式過濾等不能滿足高效焦油脫除的要求。We research the causes of concrete cracking, develop the high performance anti - cracking additive, optimize the concrete mix and construction techniques, increase the stability of concrete volume by shrinkage compensation, enhance splitting tensile strength, and can meet demand of high workability of fresh concrete. in the study, a thorough investigation of this problem is made from all points of view, with the aid of various modern measurement & testing technology and different theories & methods in surface physical chemistry, structural chemistry, solid - state chemistry, composite materials, fracture mechanics, etc. our research results have shown that the various shrinkage of concrete cause concrete cracking in building engineering, such as autogenous shrinkage, dry shrinkage, temperature shrinkage, plastic shrinkage, carbonized shrinkage, etc
目前,解決混凝土開裂的方法是綜合的,我們調查研究了混凝土開裂的原因,開發研製了高性能抗裂外加劑,優化混凝土的設計和施工方法,並通過補償收縮達到混凝土體積穩定,提高抗裂強度,滿足混凝土拌和物高工作性能的要求。本研究採用多種測試技術,應用表面物理化學、結構化學、固體化學、復合材料學、斷裂力學等多學科的理論與方法,從不同的角度進行深入的研究和探討。通過調查研究建築工程中出現的混凝土開裂、滲漏問題,發現混凝土在非荷載作用下開裂主要是由混凝土的自收縮、乾燥收縮、溫度收縮、塑性收縮、碳化收縮等各種收縮變形引起的。A pilot test was carried out on a fixed - bed reactor for catalytic cracking of hydrocracking bottoms over self - developed catalyst
摘要以加氫尾油為原料,在固定床反應器上利用自製催化裂解催化劑進行中試試驗。With analysis on the forming process of a deep drawing part, the process of the reason for crack due to thinning and wrinkling during sheetmatel deep drawing is discussed, and the solution is also put forward
摘要通過對備胎槽零件進行拉深成形的工藝分析,介紹了模具調試的過程,分析薄板料的深拉深成形危險斷面的變薄與起皺造成碎裂的產生原因、解決方法,以及採取的措施。We think increase of the internal resistance of battery is the main problem to the recycle life deteriorating at high rate, besides the influence of the materials. decomposition occurred on positive and negative electrode at high rate current and the interspaces increased. the restrains of swelling and the increase of an oxygen overvoltage can improve the performance of recycle life
對于電池性能衰減的原因,認為除了所使用的材料是影響電池性能的重要因素之外,在溫度和大電流作用下,電池的正負極材料發生裂解,極片內空隙增大,電池內阻性能惡化是引起電池高倍率循環性能惡化的關鍵;通過抑制正極析氧和膨脹,並降低負極合金材料的粉化過程,將有望緩解電池內阻特性的惡化,從而提高電池高倍率充放電循環性能。In this paper, a model is presented to describe pyrolysis of biomass in a fluidized bed reactor, which is characterized with reaction routes related to the biomass particles either in dense phase or in dilute phase
摘要研究了流化床內的生物質快速裂解模型,其特點是考慮了原料粒子在下部密相區和上部稀相區的不同反應歷程。3. when table sugar was used as starting materials, it was used and pyrolyzed directly or was first mined with sulphuric acid after surface area of those materials is not larger than that of pas capacity is small in their electric double - layer capacitor, specific surface area has great effect on capacity, the larger specific surface area is, the higher capacity is, . but bulk density will decrease with increase of specific surface area
當以食糖為熱裂解碳的原料時,採用直接焦化和酸洗焦化兩種方式。所制備的樣品比表面積沒有聚並苯材料的大,在以30 h _ 2so _ 4為電解質的雙電層電容器中,容量相對較小。電極活性物質的比表面積對雙電層電容器的容量有很大的影響。Using fcc flow - reaction mathematical model and boundary condition developed in paper ( i ) and the operational constants in commercial fcc riser, the hydrodynamics of catalysts and the distribution of concentration of catalytic cracking products, as well as the temperature of two - phase along the riser are simulated and predicted
運用已經建立的催化裂化反應的數學模型和模型邊界條件及求解方法,結合煉油廠工業提升管的實際操作參數,模擬預測了催化裂化提升管反應器內催化劑顆粒的流場特徵和原料油反應產物的濃度及氣粒兩相平均溫度的沿程分佈特徵。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。Two phases atomizing nozzle and parallel board electrostatic precipitator were designed. ti02 powders were synthesized by plasma spraying with ethanol solution of butyl titanate as liquid feedstock on the optimized parameters
對等離子噴塗工藝進行了優化,使用噴霧裂解法,以鈦酸丁酯的乙醇溶液作為噴塗原料,成功的合成了納米tio _ 2顆粒。Abstract : 1, 2 - bis ( alkylphenylphosphino ) ethane was synthesized via the reaction between lithium alkylphenylphosphide and 1, 2 - dichloroethane with tert - phosphines as raw materials. their structures were established by ir, h1nmr spectroscopy
文摘:以叔膦為原料,經堿金屬裂解后與1 , 2 -二氯乙烷反應合成1 , 2 -雙膦乙撐化合物.研究了叔膦化合物的裂解方式,堿金屬膦化物的穩定性及對反應條件的影響.產物的結構由ir譜和h1nmr譜證實Polyethylene waxes for hot melt adhesive : these waxes can be divided into three kinds with synthetic grade and crack grade and polyethylene wax by - product in accordance with material source
熱熔膠用聚乙烯蠟系列:本系列產品依原料來源不同分為合成級、裂解級和聚乙烯副產品三個等級。Model calculation indicated that the residence time of particles differed greatly from that of gas product, so product distribution from pyrolysis was significantly affected
模型的計算結果表明,原料粒子和產物氣體在反應器內的停留時間有較大的區別,其變化情況對裂解產物的分佈有很大影響。The mentioned raw materials used in the production of refractories should be of high purity to limit the amount of low melting phases formed in the sintering process, which can cause spalling in the bricks due to phase changes
上述提到的用於耐火磚生產的原料應是高純度的,以限制低溶解物資狀態在燒結過程中成形的數量,因為狀態改變會導致磚的散裂。Focusing on serious damage of carbon fibers in ceramic matrix composites ( cmcs ) prepared by precursor infiltration pyrolysis ( pip ), and with emphasis on carbon fiber reinforced silicon carbide composites ( cf / sic ) derived from polycarbosilane ( pcs ), the influences of raw materials ( including carbon fibers and precursors, etc. ) and preparing conditions on carbon fiber damage during the preparation of cf / sic composites were investigated systemically. pyrolysis process, fiber - matrix interface and carbon fiber damage process were observed by sem, tem, ir, xrd, xps and tq etc. the characterization method of carbon fiber damage degree was established and the models for carbon fiber damage mechanism were also established. the carbon fiber coatings and unidirectional cf / sic composites with coated carbon fibers were prepared and studied
本文針對先驅體浸漬裂解工藝制備陶瓷基復合材料過程中碳纖維損傷嚴重的問題,以聚碳硅烷( pcs )制備cf / sic復合材料為重點,採用sem 、 tem 、 ir 、 xrd 、 xps 、 tg等表徵手段,分析了先驅體裂解過程、纖維基體界面和碳纖維損傷過程,系統地研究了原料(碳纖維、先驅體等)和制備工藝條件等在cf / sic復合材料制備過程中對碳纖維損傷的影響,建立了碳纖維損傷程度的表徵方法和損傷機理模型,制備了纖維表面塗層並利用塗層碳纖維制備了單向cf / sic復合材料。In this study, the methods of decomposing polyethylene ( pe ) and polypropylene ( pp ) into fuel oil were studied
摘要本文對聚乙烯和聚丙烯的混合物裂解成原料油進行了研究,在440條件下,不同比例的聚乙烯和聚丙烯被裂解。Soot carbon is a filling agent for rubber that can improve its wear resistance. it is mainly produced by high temperature cracking that use coal tar as the feedstock
炭黑是橡膠里的一種填充劑,可以增加橡膠的耐磨性等,它主要是以煤焦油為原料在高溫下裂解而成的。Carbon nanotubes were separately synthesized by a new pulsed laser ablation ( pla ) for in - situ growth method and cvd support method in this paper. ft - ir, uv - vis, xfs, laman, tem, xrd, bet methods were used to characterize the sol, carbon nanotube and other products in the experiment. in the pla method, the sols containing carbon nanotubes were successively obtained by using 1064nm pulsed laser to ablate the interface of fe / c, or ni / c targets and ethanol under common temperature and pressure, and then carbon nanotubes were directly acquired by evaporating the ethanol
脈沖激光轟擊原位生長法是在常溫常壓下使用1064nm波長的脈沖激光轟擊目標靶與乙醇流動相的固液界面來連續制備含有碳納米管的溶膠,進而除去乙醇相得到碳納米管,其中目標靶為石墨與fe 、 ni等金屬催化劑混合壓製成的靶片; cvd基體法是使用自製的六方介孔mcm - 41多孔材料為基體,負載fe催化劑活性組分,通過cvd法催化裂解c2h2來生長碳納米管。Until 1940, the cracking of the high - molecular - weight fractions was carried out by simply heating the materials to temperatures at which they decompose to more volatile compounds
1940年以前,大分子量部分的裂化是通過簡單的將原料加熱到足夠的溫度使它們發生分解來完成的。分享友人