等溫轉化 的英文怎麼說
中文拼音 [děngwēnzhuǎnhuà]
等溫轉化
英文
isothermal transformation-
Kelvin is the unit for the absolute temperature scale. one kelvin is equal to one degree celsius. however, the absolute temperature scale is shifted by 273
絕對溫度是科學界最通用的溫度單位，只要將它減去273 ，便可轉化為攝氏度，例如絕對溫度300度，相等於攝氏27度。Sulfid also can be regarded as a marker of the action of sulfur bacteria. 8 ) based on research results, author postulated that early generation of hydrocarbons is closely related to the action of sulfur bacteria. many kind of algae such as dinoflagellates, diatom, prynesiophytes etc have rich biological lipids which has lower polymerization
6 、從未熟一低熟源巖生烴組分及其演化、可溶有機質轉化生烴等方面，探討了未熟一低熟油的形成機制，提出本區未熟一低熟油氣的形成是低活化能的富氫腐泥組分受到硫細菌早期低溫降解作用的結果。The industrial application showed that the key process parameters, such as the regenerator dense phase temperature and the temperature under the first tray of the fractionator bottom, etc. were obviously improved, which resulted in increasing conversion and light oil yield
工業實踐表明，應用此控制明顯地改善了對再生催化劑溫度、分餾塔底第一層板下溫度等關鍵工藝參數的控制，提高了裝置的轉化率與輕油收率。Firstly, the surface characteristic of polystyrene particle is changed from water detesting to water intimity by using special techniques and admixtures so mat the compound quality with inorganic materials is insured. secondly, the contradiction between the weight and strength is solved through optimizing the particle size and using composite fiber and the best heat conductivity is achieved under the condition that the necessary strength is met. in the research process, the author solved the problem of fiber dispersing in insulating materials so that the contraction of the material is controlled
課題研究中，首先採用特殊的改性工藝及外加劑實現對聚苯乙烯顆粒表面的成功改性，使其表面由憎水轉化為完全親水，確保與無機材料的復合質量；其次，通過採用優化骨料級配及使用復合纖維等措施解決了保溫材料的輕質與強度的矛盾，使保溫材料在滿足必要的強度的前提下，導熱系數降至最小；並且，課題研究中成功解決了纖維在保溫材料中均勻分散的問題，達到了抑制保溫材料收縮的目的；最後，通過採用復合外加劑、合適的膠凝材料及合理的配比等措施確保該保溫材料具有良好的和易性，滿足施工的要求。Liquid and pore detailed to absorb function through human mouth, change human difference in temperature and body supersession chen, etc. function transform, promote beneficial bacterium activate and get rid of body the dying and positive germ
經人體口液及毛孔細吸收功能，並受人體溫差變化及身陳代謝等功能轉化，促進有益菌活化並排除體內死化及陽性病菌。High temperature water - source heat pump can reclaim loss - grade heat that is produced when energy - changed device such as boiler is operating, anti the return water of district heating supply system is heated
摘要利用高溫水源熱泵設備可回收鍋爐等能量轉化設備產生大量的低溫餘熱，提高其溫度用於直接供熱。Ceramic fuel cells are electrochemical devices that directly convert fuels such as gasified coal or natural gas into electricity without the limitation of the carnot cycle ( an ideal thermodynamic cycle in which heat is taken onto a working fluid at a constant upper temperature and rejected at a constant lower temperature )
陶瓷燃料電池是一種電氣化學裝置，能直接將煤氣、天然氣等燃料直接轉化為電能而不會受到卡諾循環（一種理想的熱力循環，熱量在恆定高溫下轉化成工作流體，在恆定低溫下被釋放）的限制。Studied the liquid - phase synthesis of butyl acetate from n - butyl alcohol and acetic acid using the supported heteropoly blue as catalyst. examed several factors imposing on esterification. the results revealed : using this catalyst, the reactions conversion percentage reaches nearly 100 %, product yield is 98. 9 %, selectivity is 98. 9 %. reusing it 10 times, the efficiency is still well. in addition, using this catalyst, the reactions temperature is mild, the reaction time is short and the equipment hasnt any erosion. furthermore, there is no “ threewastesdischarge
對以負載型雜多藍為催化劑的乙酸與正丁醇的液相酯化反應進行了研究.考察了影響酯化反應的因素.結果表明：以負載型雜多藍為催化劑，酯化反應轉化率接近100 % ，收率可達98 . 9 % ，選擇性為98 . 9 % ，重復使用10次催化效果仍好.該催化劑還有反應條件溫和、反應時間短、對設備無腐蝕、無三廢排放等優點The experiment results indicate that the light - off temperature of catalytic converter with deflector is lower than that of the conventional structure catalytic converter, the pressure loss of both catalytic converter are similar
試驗結果表明，有彌散器的催化轉化器起燃溫度低於常規結構催化轉化器的起燃溫度；兩者的壓力損失基本相等。Ht hydroconversion catalyst has a high activity in low temperature. high ability to saturate the olefin and canvert the organic sulfide into inorganic one in gas and liquid of hydrocarbon of the natural gas. oil and coked gas in synthetic ammonia, methanol gas and hydrogen making industries
Ht加氫轉化催化劑具有優異的加氫轉化和烯烴飽和活性，具低溫活性較好，可用於制氫、合成氨和甲醇等過程的加氫轉化反應器內，將烴類原料中的有機硫和烯烴進行加氫轉化和加氫飽和，以達到凈化原料的要求。Comparing to the traditional production technology, the new methanol synthesis process has many advantages which are as follows, high conversion of synthesis - gas per pass, high methanol concentration at reactor exit, isothermal temperature in slurry bed, easy temperature control, simple heat exchanging, excellent technology economy characters and so on. so it becomes a new technology for methanol production that has great industry application
與傳統生產工藝相比，三相淤漿床甲醇合成工藝具有單程轉化率高，出口甲醇質量分數高；床層等溫，反應條件優良；溫度易於控制，換熱簡單；生產的技術經濟指標優良等特點，因此成為一種應用前景非常廣闊的新興甲醇生產新技術1 。Abstract : during the heating of scrap with carbon or hydrocarbon contented substances in some process, it will bring problems like explosion of carbon monoxide, fume and smell from oil volatilization, etc. ， if incomplete combustion occurs. through laboratory experiments, the time related variation of gas contents and post combustion ratio of fume during the heating of oil - bearing scrap are studied. the results show that the restrictive chain of reaction procedure is the thermolysis of oil ; that temperature and ( co ) / ( co2 ) ratio influence transformation ratio and post - combustion ratio under lower temperature ; that 900 is the temperature above which the complete reaction can be ensured at all ( co ) / ( co2 ) ratios
文摘:在某些廢鋼熔煉過程中，當爐料中含碳及碳氫物質且燃燒不充分時，會帶來煙氣中一氧化碳的燃爆、油污揮發時造成的煙霧、臭味等問題.通過實驗室裝置研究含油廢鋼在加熱過程中煙氣成分隨時間的改變以及二次燃燒率的變化，試驗結果表明，反應過程的限制性環節是油分的熱分解；在較低的溫度下（ co ） / （ co2 ）比例影響轉化率和二次燃燒率；而在任意比例下保證充分反應的溫度為900以上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。Three schemes for this technology were given, including air - blown gasification, recycle gas - blown gasification and steam & recycle gas - blown gasification, which were computed and analyzed. due to different conversion ratio of coal and different temperature that gas enters into gas turbine, the different results were got and analyzed, such as gas heat value, gasification efficiency and generation efficiency
本文針對空氣氣化方案、再循環煤氣氣化方案以及水蒸汽+再循環煤氣氣化方案對煤部分氣化聯合循環發電系統進行計算分析，根據不同的碳轉化率以及煤氣進入燃氣輪機前不同的溫度，得出不同的煤氣熱值、氣化效率、發電效率等，並進行了分析，提出了適合不同目標工業應用的煤部分氣化方案。This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory
本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題，主要研究內容有： （ 1 ）實驗、測定了20種常見生物質的能量（發熱量）和c 、 h 、 n元素含量，根據實驗結果分別建立了以h和c為自變量的生物質能量預測經驗公式，並通過r _ （ 0 . 05 ）檢驗；為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便； （ 2 ）選擇了8種生物質試樣作了等加熱速率（ 10 min 、 20 min 、 40 min 、 60 min ）和恆溫加熱的tg和dtg實驗，根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程，並採用goast - redfem積分法和p函數對其動力學參數進行了求解，解析出各種生物質的頻率因子和活化能參數，進而建立了各種生物質的熱解動力學模型，為科學確定反應器的閃速熱解工作溫度范圍及熱解反應動力學描述，提供了理論和依據； （ 3 ）為研究和確定不同尺度的生物質顆粒中心達到全熱解的時間，在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和測定，得出生物質的長徑比（ l d ）一般在5 . 0 6 . 0之間，平均為5 . 3的結果； （ 4 ）採用復雜溫度場傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究，解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間（ t ） ，得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果，為閃速熱解反應器固相滯留時間設計和預測提供了理論依據； （ 5 ）根據上述實驗結果，綜合運用工程力學、工程材料、機械設計學原理，推導、建立了轉錐式閃速熱解反應器物料滯留時間（ ）與轉速（或頻率）合理匹配理論； （ 6 ）提出了轉錐式閃速熱解反應器的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。Although the phosphorus transformation activity is not very low in the soil of alpine meadow ecosystem, the amount of available soil phosphorus is only 2. 6 ppm 5. 1 ppm
土壤磷素的轉化活性與土壤溫度有機質含量微生物數量等因子相關較明顯。磷素轉化作用在植物草盛期For mobile sources, meca members include manufacturers of catalytic converters ( catalysts, substrates, mounting sleeves, and converter housings ) for all fuels ; diesel particulate filters ; oxygen, nox, and temperature sensors ; thermal management strategies ; engine / fuel management technologies ; crankcase emission control technologies ; evaporative emission controls ; enhanced combustion technologies ; plasma / corona technologies ; and components for fuel cell technology
在移動源方面，其成員主要從事下列產品或技術的生產或研發：各類燃料的催化轉化器（包括相關產品如催化劑、基質、安裝袖和轉化器殼） ；柴油顆粒過濾器；氧氣、氮氣和溫度傳感器；熱處理系統；發動機/燃料操控技術；曲軸箱排放控制技術；蒸發排放控制；強化燃燒技術；等離子體/電暈技術。Owing to their perfect hydrogen permeability and thermostability, palladium and palladium alloy membranes have been used as hydrogen separator and purifiers, and they can serve as membrane reactors for reactions such as dehydrogenation and hydrogen production, which integrates the reaction with separation and enhances the conversion and selectivity
鈀及其合金膜由於具有透氫性好和耐高溫的特點，除了用作氫氣分離和純化器外，還可以用作脫氫、制氫等反應的反應器，以實現反應和分離的一體化，並提高轉化率和選擇性。The results showed that the concentrations of plasmid were in direct proportion to the transformation efficiency. the transformation efficiency dropped when the plasmid concentration was over the optimum level, but the numbers of transformants were the same
在轉化過程方面對熱激時間、熱激溫度、熱激后的存放時間、轉化容器潔凈度、溶解介質、質粒大小、質粒濃度和貯存時間等進行了比較研究。Meanwhile, the choose of monomers composition, the amount of curing materials, the token of surface characteristic and the glass transition temperature of fluorited polymers were discussed, with the help of ft1r, dsc, and sem analysis
對配方選擇、固化劑的用量及含氟量進行了討論。利用ftir 、 dsc 、 sem等方法，對兩種含氟聚合物成膜性能、玻璃轉化溫度及膜的表面特徵進行了表徵。分享友人