高溫裂化 的英文怎麼說
中文拼音 [gāowēnlièhuà]
高溫裂化
英文
pyrolytic cracking-
Molten lead and iron boiled in the marble basin of the fountain ; the water ran dry ; the extinguisher tops of the towers vanished like ice before the heat, and trickled down into four rugged wells of flame. great rents and splits branched out in the solid walls, like crystallisation ; stupefied birds wheeled about and dropped into the furnace ; four fierce figures trudged away, east, west, north, and south, along the night - enshrouded
熔化的鉛和鐵在噴泉的大理石盆里沸騰,燒幹了泉水滅燭器似的塔樓尖頂在高溫前像冰一樣熔化,滴落下來變作了四個奇形怪狀的火池堅實的墻壁以結晶的紋樣作樹枝形迸裂,迸出了巨大的豁口和裂縫。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。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。Adopt advanced technic of f4 whole cold - press to moulding and heat melt to process to make, let the lining no slot to link withal cheek by jowl connect with exterior metalpipes wall, in the state of allowwing to work keep to distort in - phase, thereby to enhance using - life of lining in the working status of opposite high temperature high vacuum, stop the ecumenic pad fluorin pipes using in condition of cold and heat alternate and minus tension to come into being the matter of padding fluorin floor shrivel to jam the flowway and plastic rip, its perfect choice use to transport medium of strong corrosive strong oxidation by modern chemical - industry corporation
採用氟塑料f4整體冷壓成型及熱熔加工等先進技術製造,使內襯層無縫搭接且與外層金屬管壁緊密粘接,在允許工作狀態下能夠保持同步變形,從而提高了襯里層在相對高溫高真空度的工況下的使用壽命,杜絕了一般襯氟管在冷熱交替,及負壓的條件下使用易產生襯塑層鼓癟阻塞流道及塑料拉裂的問題,是現代化工企業在輸送強腐蝕強氧化介質理想的選擇。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。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。The " popcorn " fracture analysis was studied by introducing reasonable simplifications and taking advantage of the strain energy release rate expression involving the hydrothermal effect
利用本文提出的斷裂判據,通過合理簡化,作者對吸濕電子元件在高溫焊接過程中發生的「爆米花」式脫層斷裂進行了研究分析。In this paper, the high - temperature low - cycle fatigue life and fatigue crack propagation life tests are carried on the cylindrical axial symmetry specimens having precrack or non - precrack with different types of notches of 16mnr steel in common use in the petrochemical industry contacting coke drum equipment, the stress / strain and the range of stress / strain of dangerous points are received through stress analysis of the specimens using finite element program under multi - axial stress state. at last, the equations of evaluating the high - temperature low - cycle fatigue life and the fatigue crack propagation life are found through using the least - square regression method
本文採用無預裂紋和帶預裂紋環狀缺口圓柱形試樣,進行了石化焦炭塔設備常用材料16mnr多維應力狀態下不同缺口形式的高溫低周疲勞總壽命試驗及裂紋擴展壽命試驗,並利用有限元程序對試樣缺口周圍及裂紋尖端附近進行了軸對稱多維應力狀態下的應力、應變場分析,來評價材料不同條件下的高溫低周疲勞總壽命和裂紋擴展壽命,最後利用最小二乘回歸方法,得到了該材料高溫低周疲勞總壽命和裂紋擴展壽命評價方程。On the basis of the former research, we studied the cause of cff ’ s craze and sparkle and put forward a method to resolve these problems by means of the optimization of the making process. the developed ceramic foam filter that could filer 82 kilogram 1700 c melted casting steel has excellent performances
本研究在前期試驗的基礎上,通過優化、穩定泡沫陶瓷過濾器的制備工藝,分析並解決了試樣中出現的通孔率低、表面質量差和部分試樣開裂的問題。所制備的泡沫陶瓷過濾器已具備可持續過濾82公斤1700 c鋼液的較好高溫性能。7mpa / km in the center of the zone ( 6 ) in the hot dry rock geothermal energy extraction system, after the system start to operate, the normal stress of crack show the pronounced influence depending on the temperature ' s change in a month, there are a marked drop in temperature nearby the injection well, forming a lower stress area, with the heat extraction, the temperature ' s change even gradually, but the temperature descend quickly nearby the production well, forming a new lower stress area
( 6 )高溫巖體地熱開發中,裂縫面法向應力受溫度變化的顯著影響,在系統開始運行的一個月內,注入井附近區域其溫度降低較快,形成低應力區;隨開采時間的延長,其溫度變化逐漸平緩,而生產井附近區域溫度降低加快,逐漸形成新的低應力區。Wear resistant layer of cylinder and double - layer liner in catalyst creaking apparatus ( without or with tortoiseshell net can be used ), inner liner of carbon monoxide exhaust - heat boiler, pouring at site for furnace roof with high temperature of heating furnace of steel rolling, different forging furnace, resistance furnace, the prefabricated parts can also be made
催化裂化裝置中的筒體耐磨層及雙層襯里, (無龜甲網和有龜甲網均可採用)及一氧化碳余熱鍋爐的內襯,也適用於軋鋼加熱爐、各種煅造爐、電阻爐的爐頂、爐墻、爐底高溫部位的現場澆注,可製成預制構件。The grade composite, road performance and its mechanism are systemically studied. 1 ) the aggregate grade of ogfc is studied through the volume method base on the analysis of the aggregate grades. then the grade is verified and the relation between the grade and pore rate is studied statistically, the typical grades of ogfc are developed ; 2 ) the reasonable pore rate of ogfc is studied on the basis of the balance of mechanics and function performance ; 3 ) the mineral fiber is added to the ogfc mixes to increase asphalt content, thus the anti - water performance of ogfc mixes are improved ; 4 ) high viscous asphalt fit for the preparation of ogfc is prepared through composite modification by sbs and rubber powder ; 5 ) the mechanics mechanism of ogfc is studied in the paper, it shows : asphalt paste, as well as the coarse aggregate skeleton, is essential to the mechanics of ogfc
在分析各國ogfc級配的基礎上,運用礦料體積法進行ogfc級配設計,用正交實驗對礦料級配進行了優化設計,運用數理統計方法分析礦料級配和孔隙率之間的關系,並回歸出礦料關鍵篩孔通過率與ogfc骨架空隙結構關系的數學方程,進而提出了ogfc的合理級配;通過對不同孔隙率典型級配混合料的性能研究,綜合力學和功能性能,得出了ogfc的合理孔隙率范圍:針對高速公路面層對ogfc力學性能方面的要求,本文從瀝青膠結材料、纖維穩定劑兩方面對ogfc的性能進行改善:通過sbs和橡膠粉復合改性的方法開發出了適合ogfc的高粘度改性瀝青,摻加聚合物纖維,提高ogfc的最佳瀝青用量,進而改善了混合料的高溫性能和抗水損害性能,優化設計出能滿足高速公路路用性能,車轍動穩定度達5000次/ mm以上,動融劈裂強度比90 ,透水系數31ml / s ,並具有防滑降噪功能的開級配瀝青磨耗層( ogfc )混合料。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。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。Thermal stability the property of a lubricant which indicates its ability to resist cracking and decomposition on prolonged exposure to elevated temperatures
熱穩定性表明潤滑油在長期高溫環境中抵抗裂化和分解能力的指標。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。The constitutive equations were gained by regression analysis and some material constants were derived from that with the aid of om, x - ray, sem and tem, the deformation structure of the mid - strength weldable 1420aluminum - lithium alloy on different hot deformation conditions was studied and the soften mechanism was discussed. at the same time, the fracture behavior has been studied as an important part. the fracture mechanism of 1420 aluminum - lithium alloy was confirmed
結合金相顯微鏡、 x -射線衍射、掃描電鏡、透射電鏡等現代化的試驗手段,研究了中強可焊1420鋁鋰合金熱變形不同變形條件下的組織變化及軟化機制,分析了不同變形條件對合金材料組織變化的影響,確定了合金材料的軟化行為機理;同時,結合合金材料的熱變形高溫拉伸試驗,重點研究了材料的斷裂行為,分析了合金材料的斷裂現象,探討了合金材料的斷裂機理。Insulating and sheathing materials of electric and optical cables - common test methods - part 3 - 1 : methods sp cific to pvc compounds - pressure test at high temperature - tests for resistance to cracking
電纜和光纜絕緣和護套材料.通用試驗方法.第3 - 1部分: pvc化合物專用法.高溫壓力試驗.耐斷裂試驗Many equipments experience elevated temperature in the power generation, petroleum and chemical industry. high temperature fatigue failures often take place in these equipments and structures
在火電、核電、石油化工等多個行業中,許多構件是處于高溫狀態,且承受波動載荷的作用,構件經常發生疲勞斷裂破壞。P / a, fl / py ratios and ring numbers of pahs were used to assess the origins of the pollutants, suggesting possible sources such as combustion of coal, wood and petroleum pyrolysis
P / a 、 fl / py比值、 pahs環數以及烷基化pahs表明膠州灣表層沉積物中pahs幾乎全部由人類活動產生,來源為煤炭燃燒、木材燃燒、石油類高溫裂解及油類污染。分享友人