裂化氣體 的英文怎麼說
中文拼音 [lièhuàqìtǐ]
裂化氣體
英文
cracked gas-
The rising temperature in the cave, the lamp - light ' s toasting and the convictive air made the humidity of the whole or part of the cave descend, which made the speleothem sightseeing dry, cracked and weathering. the acid air from the outer and the highly dense co2 would cause acid erode action to the speleothem sightseeing with water vapor. the existence of lamp - light offered a good chance for the lightloving plant to grow up, thus a lot of bryophyte covered the speleothem sightseeing
洞穴升溫、燈光的烘烤及空氣的對流致使洞穴濕度或局部濕度降低,使景觀產生乾裂、風化;氣流帶入的洞外酸性氣體及高濃度co _ 2在高濕的條件下,結合水汽對洞穴景觀產生酸侵蝕作用;燈光的存在為燈光植物生長提供了條件,使大量的苔蘚類植物生長于鐘乳類景觀的表面;洞外大氣粉塵的進入,給洞穴帶來了非常嚴重的破壞,粉塵在洞內高濕的環境下大量沉降,附著于鐘乳類景觀的表面,致使受污染面發黑,毫無光澤。Insulating and sheathing materials of electric and optical cables - common test methods - part 4 - 1 : methods specific to polyethylene and polypropylene compounds - resistance to environmental stress cracking - measurement of the melt flow index - carbon black and or mineral filler content measurement in polyethylene by direct combustion - measurement of carbon black content by thermogravimetric analysis - assessment of carbon black dispersion in polyethylene using a microscope
電纜絕緣護套材料的通用試驗方法.第4部分:聚乙烯和聚丙烯專用方法.第1節:耐環境應力破裂性.在空氣中熱老化后的卷繞試驗.熔體流動指數測量.聚乙烯中炭黑和Effects of catalyst - to - oil ratio on distribution of catalytic pyrolysis gas products of daqing atmospheric residue
劑油比對大慶常壓渣油催化裂解氣體產物分佈的影響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。This paper aims at the characteristics of thermal response of lpg vesse1 under high temperatue, conjoining the project of " study on transportation safety early - wdring system of lpg dangerous goods " supported by transportation departinen of china and the project of " mechanism study and numerical simulation of the explosion of lpg vessel " supported by science foundation of hubei province. the interdisciplinary research has been done among temperature field distribution of lpg vessel under flame surroundings, intensity calculation, crack propagation predication and mechanism of explosive accident, etc. three parts are analyzed and discussed
本文針對高溫環境下液化氣壓力容器的熱響應特性問題,結合交通部重點科技項目「液化氣體類危險品運輸安全預警系統的研究」和湖北省自然科學基金項目「液化氣容器爆炸機理研究及數值模擬」 ,對在火焰包圍下的液化氣壓力容器的溫度場分佈、強度計算、裂紋擴展預測以及爆炸事故機理等方面開展了多學科的交叉研究。By using catalyst a, the catalytic splitting decomposition of waste rubber tyre was developed. the splitting gas, gasoline, diesel oil, heavy oil and carbon black were obtained by this process. by inspecting, the qualities of the products all accorded with the using demands
一種先進的廢舊橡膠輪胎催化裂解處理技術被開發,通過反應器的廢橡膠輪胎顆粒被催化裂解為裂化氣、汽油餾分、柴油餾分和重油餾分,殘余的固體可加工為炭黑,各種產品經檢測,其理化指標及使用性能均達到用戶要求。A two - dimensional model is proposed for simulation of gas phase cracking of 1, 2 - dichloroethane ( edc ) to produce vinyl chloride monomer ( vcm ) in tubular reactor furnace, in which side reaction of coke precursor formation is taken into consideration
摘要建立了二氯乙烷在管式反應器中進行氣相熱裂解的二維模型,模型考慮了二氯乙烷熱解生成氯乙烯的主反應和生成焦前體的副反應以及氣體密度變化對裂解反應的影響。The paper mainly discussed the reasons of stress from liquid ammonia pressure vessel causing crack through examing data and experimental results and analysing relevant referential documents and materials, taking 1200 ammonia vessel ' s crack and leaking in a certain fertilization company as an example : there existed remaining welding, stress in the equipment ; there existed a stress decaying surrounding, i. e., moisture 0. 2 %, and temperature > - 5 with o2 or co2 inside ; the higher the intensity of raw materials, more possible it was to have stress decaying crack
摘要以某化肥公司1200氨冷器殼體開裂泄漏的失效分析為例,通過對檢驗數據和結果及有關文獻資料的分析研究,探究了液氨介質壓力容器產生應力腐蝕裂紋的原因:設備中存在較高的焊接殘余應力;液氨介質具備應力腐蝕環境,即含水量0 . 2 % ,且有空氣( o2或co2 )污染(或摻入) ,使用溫度高於零下5 ;母材強度越高,應力腐蝕裂紋產生的傾向就越大。Series of high pressure thermocouples thermalresistances and thermowells, the thermocouple take the form of spring - loaded, of which protective tube and flange are forged of special alloy, as well the thermowell are formed with bar stock drilled. more further, theconnecting between thermowell and flange can be compressed with tapered thread and the groove at the lower end of flange can be welded with argon arc. these thermocouples are usually used in high equipments of hydrogen cracking device, cracker and vaporizer etc for pressure - resistant in over 30 mpa, operating temperature from 0 up to 800
系列高壓熱電偶阻及套管,熱電偶採用彈簧壓著式,保護套管和法蘭選用特殊合金材料鍛造,套管採用棒料整體鉆孔加工而成,與法蘭連接處以錐管螺紋配合併與法蘭下端渠槽處用氬弧焊接,耐壓30mpa ,使用溫度0800 ,可長期使用在加氫裂化裝置裂解裝置,氣化爐等高壓設備中。In the light of hydrogen manufacturing coverted furnace tube system ( including conversion tube, gas gathering tube and pigtail tube ) occuring weld fissure during manufacture and installation, the reason of fissure is analized. the repair plan and specific repair measures are recommended
針對制氫轉化爐管系(包括轉化管、集氣管、豬尾管)在製造安裝過程中出現焊接裂紋的原因進行了分析,並介紹了缺陷的修復方案和具體修復措施。Author pay more attention to the carbon isotope values of gas in fluid inclusions. the methods of pyrolysis and vaccum ball grinding have been used to obtain carbon dioxide, methane and other gases. then, the carbon isotope values of these gases have been identified by gc - c - ir - ms
加強了對包裹體中氣體碳同位素測定方法研究,真空球磨法提取氣體進行碳同位素分析的方法無裂解和氧化反應,代表真實流體,測定的碳同位素值可靠。Except the asphaltenes, the other 4 part was given to the gc / ms. h ) comparison of gas contents and flow rate before and after the catalytic cracking reaction ; i ) the energy cost of the catalytic cracking ; after the exper
在此基礎上,結合熱裂解和催化裂解的反應理論解釋了生物質焦油的催化裂解原理,同時分析了催化裂解和熱裂解前後氣體成份和含量的變化。Roughly half of the product derived from thermal - cracking of long - chain hydrocarbons was c2 and c3 gases, useful for thier ethylene and propylene content, but not for the gasoline technology of the 1930s
長鏈碳氫化合物熱裂化所得的產品大約有半數是分子中含2個或3個碳原子的氣體,其中的乙烯和丙稀是有用的,但並不適用於30年代的汽油工藝。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 pyrolysis mechan ism functions of the second stage of dvb / hpso and vpso / hpso are both parabola principle, and the rates of pyrolysis reactions in this stage are both controlled by one - dimensional diffusion
600時, ai可與先驅體裂解產生的含碳小分子氣體反應生成a14c3 , 800時ai可與裂解氣氛nz反應生成ain ,溫度升高, al的氮化反應不斷進行。Three - dimensional gas flow field in the new vortex quick separation system with an inner component of fcc disengager was simulated based on the reynolds stress model ( rsm ) provided by cfx
摘要用cfx軟體對催化裂化沉降器新型旋流快分器的氣相流場進行了三維模擬,湍流模型採用雷諾應力輸運方程模型。Common test methods for insulating and sheathing materials of electric cables - part 4 : methods specific to polyethylene and polypropylene compounds - section 1 : resistance to environmental stress cracking - wrapping test after thermal ageing in air - measurement of melt flow index - carbon black and or mineral filler content measurement in pe
電纜絕緣和鎧裝材料通用試驗方法.第4部分:聚乙烯和聚丙烯復合物專用方法.第1節:耐環境應力裂化試驗.空氣中熱老化后的纏繞試驗.溶體流動指數的測量. pe中炭黑和或礦物填充料的含量測量Too high temperature of the operating temperature or chemical gas in the operating ambience will cause hoses cracking
工作環境溫度過高或工作空間有化學氣體,可能會導致軟管龜裂。The quasi - static damage stage under the quasi - static stress field produced by gas from explosion. finally, the general model for blasting damage and fracture is gained. in the thesis, a gas - driven fracture propagation and damage localization at the crack tip model during explosion products are proposed
根據爆炸力學,將巖石的爆破損傷分為兩個階段來研究,第一階段為爆炸應力波作用下的動態損傷階段,第二階段為爆生氣體靜態壓力場作用下的損傷階段,最終得出了巖石在爆破作用下的爆破損傷斷裂全過程演化模型。The analyses of the microstructures as well as the characterizations of microcracks, deposition defects and residual pores of 3d c / sic composites have been done to determine the main diffusion channels of oxygen into the composites at different temperature domains. 2
對3dc sic復合材料的顯微結構進行了表徵,對材料中的各種微裂紋、缺陷和孔隙進行了分析,研究了不同溫度區間內氧化性氣體在復合材料中的主要氣相擴散通道。分享友人