熱化學理論 的英文怎麼說
中文拼音 [rèhuàxuélǐlún]
熱化學理論
英文
thermochemical theory-
Theoretical analysis and testing results demonstrated that viton, a new substitute of the former plasticizer, could noticeably improve its performances, which has been proved as the important improvements of the mixture. due to the favorable thermochemistry performance, dicyandiamide can act as a good combustion - rate regulator. the addition of antistatic agent can desirably increase the antistatic capability of the mixture, and the testing results showed that the performance of the improved mixture was excellent
理論分析和測試結果均表明了以氟橡膠取代耐水點火藥中原粘合劑將使藥劑的各項性能有明顯的改善,是耐水點火藥改進的重要方面;雙氰胺具有良好的熱化學特性,作為耐水點火藥改進中的燃燒速度調節劑具有很好的調速效果;抗靜電劑的加入,進一步提高了藥劑的抗靜電能力,測試分析表明改進后藥劑的性能更加優異。The essential elements and process of gas reservoir formation of ordovician in ordos basin have been annalysed systematicly and scientificly by means of the theory and method of organic geochemistry and tectonic geology in this dissertation. the several advanced techniques, such as gas generation thermal simulation, on - line individual gas compounds carbon isotope determination ( py - gc - c - ir - ms ), the analysis technique of light hydrocarbons and biomarkers in natural gas, gas migration simulation and gas carbon isotope determination in fluid inclusions, have been applied to focuse on the study of the gas generation mechanism of souce rock, correlation between gas and source rock, reservoir formation history, migration direction, charging road in detail
應用有機地球化學和構造地質學理論和方法對鄂爾多斯盆地奧陶系天然氣地質研究中薄弱環節成藏要素和作用進行了系統科學分析。利用烴源巖生氣定量熱模擬技術、熱模擬在線碳同位素實驗技術、氣體輕烴和生物標志物分析技術、運聚成藏物理模擬技術和包裹體中碳同位素分析技術等多種先進的實驗技術對烴源巖的生氣機理、氣源和混合比、成藏史、充注路徑、運移方向和構造作用與成藏關系等問題進行了深入的研究,在前人研究的基礎上,經過本次大量的實驗分析和綜合研究,提出了一些新的認識。Gas thermal insulation coefficient under different transient flow in pressure pipeline system has been studied through physical experiments and theoretical analysis on thermodynamics
本論文通過物理試驗與熱力學理論分析對不同瞬變過程中有壓輸水管道內氣體的多方指數n的變化規律進行了研究。With the thermodynamic theories and techniques, it is relatively easy to determine the phase equilibrium data with enough accuracy, however there still exist much more difficulties in crystallization kinetics study even for a simple binary system. that is the reason that nucleation and crystal growth rate are generally represented in form of the empirical expressions. the crystallization kinetic is important for crystallizer design, process control and optimization, and it is strongly depended upon the accurate characterization of process information concerning with multiphase flows and the further disclose of its mechanisms with suitable mathematical models
熱力學理論和方法已足以獲得準確的相平衡關系;然而即使對于簡單的二元物系的結晶過程,晶核形成和晶體生長動力學的研究仍面臨許多困難,通常採用經驗模型表述,而動力學參數的準確性和可靠性是結晶器放大設計、過程式控制制與優化的關鍵,因此多相流信息的準確表徵、結晶機理的進一步揭示及建立起與之相適應的數學模型有著十分重要的學術研究和實際應用價值。Based on the theories of fluid mechanics and heat transfer, a new way of semi - sealing tube combined with a structure of heat disturbing, distributing, and isolating is created
根據流體力學和熱傳導理論,設計了解決這一問題的半封閉式爐管結構氧化方法和相關的勻流隔熱散熱裝置。In the end of the paper, we discussed the particular advantage of rf - pepld for deposition of c - bn thin films and the important meaning of the nanothermodynamic theory proposed by this paper
文章最後提出了常溫下rf 『 pepld方法沉積立方氮化硼薄膜的獨特優勢並討論了本文提出的金剛石的納米成核熱力學理論的重要意義。The new results obtained here can not only make progress in modern thermodynamics but also develop some new applications of finite - time thermodynamics in chemical cycle engineering, especially in chemical pump cycle engineering. they can also provide some new theoretical bases for the optimal design and the performance improvement of real thermodynamic cyclic equipments
所得新理論不僅使現代熱力學理論獲得進展,而且還開拓了有限時間熱力學在化學循環工程,特別是化學泵循環工程中的新應用,為實際熱力循環設備的優化設計或性能改善提供理論指導。Analyzing the sintering theory of nano material and the heat conduction theory of laser machining, the mathematic model of grain size growth of nano material in laser sintering is built
在分析納米材料已有燒結理論的基礎上,結合激光加工中有關熱傳導理論,建立了納米材料在激光作用下晶粒尺寸變化的數學模型。In this paper, the study status about freeze - up of domestic and overseas was discussed first, then based on thermodynamic theories and river ice hydraulic theories, using the observed data to calculate parameters, the freeze - up forecasting mathematical model in inner mongolia reach was established. in the model, the calculating method of heat exchanging coefficient was perfected properly, and the river characteristics was quantified for the first time. the forecasting result indicated that the model precision is high, and the freeze - up forecasting formula is all - purposed
本文首先論述了國內外有關封河研究的現狀,然後在此基礎上針對存在問題,以熱力學理論及冰水力學理論為基礎,利用實測資料率定參數,建立了內蒙古河段封河預報數學模型,其中對熱交換系數的計算進行適當的修改,並將河道條件量化考慮進封河預報數學模型中,證明預報精確度高,且各河段預報公式具有通用性。The variation of thermal insulation of wet cotton fabric is studied based on the theory of heat transfer through plane wall in chemical thermodynamics
根據化工熱力學中平壁熱傳導理論,研究了潤濕棉織物熱膽的變化。Firstly, a finite element approach combining the temperature parametric method with real fictitious elements scheme was proposed for simulating the winding tension process ; secondly, in accordance with the cure kinetic and heat transfer theory, a corresponding finite element method was employed to calculate the distributions of temperature, cure degree and thermal stress fields during the cure process
根據固化反應動力學理論和熱傳導理論,對具有金屬內襯的復合材料纖維纏繞壓力容器在固化工藝過程中瞬態溫度、固化度和熱應力場分佈及其變化規律進行了數值分析。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。The theory of ehd enhancement of heat transfer mentioned in this paper not only adds a new technical proposal to active heat transfer enhancement technology, but also plays promote role for crossing development of electromagnetic theory and thermodynamic theory
文中所研究ehd強化換熱理論,不僅為有源強化換熱提供了一項新的技術方案,而且為電磁學和熱力學理論的跨學科研究有一定的促進作用。1968 the nobel prize in chemistry was awarded to lars onsager of yale university, u. s., for his work in thermodynamic theory
美國耶魯大學的拉斯?翁塞格因對熱力學理論有貢獻而被授予諾貝爾化學獎。The essence of photocatalysis should be the conversion and storage of solar energy. the character of photocatalytic should be electron transformation. and the theory mode was raised hi this paper, the transformation of light - induced - electrons formed two
而後,又應用熱力學和電化學理論對該理論模型進行了詳細的分析,推導出公式( 6一3一19 ) ,說明了光能一電勢能一化學能轉化的具體過程和關系。The strong shear cut and grinding force of hlgb horizontal stirring grinding machine is used to the surface of the moderate supersonic carbon and the fusion particles of the cao & sio2 in this paper. the result of xps indicated that the si - c bond is detected on the surface of the particles. the high melting point superfine sic and caco3 are produced on the surface of cao & sio2, and composite particles are formed
本論文利用hlgb臥式雙向旋轉攪拌球磨設備,通過正反轉攪拌齒及研磨珠工作時產生的強烈的剪切、研磨機械力持續作用於cao sio _ 2熔融顆粒及中超碳黑顆粒表面, xps檢測表明,顆粒表面有si - c及ca - co鍵生成,根據機械化學理論是由於機械力的作用,誘發利用熱能難以進行的機械化學反應,在cao sio _ 2熔融顆粒表面生成了sic及caco _ 3新物質,構成包覆型復合粒子。Performs the optimization with finite time thermodynamic analysis and obtains the allocation of heat exchanger area for double - stage coupling heat pump systems that maximize the objective function, and the analytical expressions about the optimal temperature of working fluids, the minimum total heat exchanger area and the minimum power input
摘要應用有限時間熱力學理論對雙級耦合熱泵供暖系統換熱器面積進行優化,得到了系統供熱系數最優時的最佳傳熱面積分配,最佳工質工作溫度、最小總傳熱面積以及最小輸入功率的解析式。At first, basic thermodynamic theories were introduced to calculate the gibbs function changes of mg - si - o - c system, which was an effective tool for verifying the variation of composition during the solid - state reaction process. the possibility of the occurrence for solid - state reaction was discussed
論文應用熱力學理論對mg - si基熱電化合物固相反應過程中涉及的mg - si - o - c體系進行了熱力學計算,探討了固相反應發生的可能性及工藝制度對材料組成、性能的影響。In this paper, the calculating model for coupling function of water movement and heat conduction in subgrade is established based on the theory of continuum mechanics and the thermodynamics. the load function ’ s influence to frost heave is qualitative consideration in the model. the relationship of moisture content and temperature change with time and depth is calculated by use of matlab
本論文基於連續介質力學和熱力學理論,建立了路基土的水分運移和熱傳導耦合模型,並定性的考慮荷載對凍脹性的影響,利用matlab數值計算軟體,求解出了路基土在凍結過程中的含水量和溫度在不同時間隨深度的變化關系。Abstract : several basic problems with the trace elements in cast irons which was studied by using thermodynamical theory was intorduced. these problems included : the solubility of trace elements in cast irons, the influences of trace elements on the crystallization temperature of molten irons, and the tendency to form carbide in molten cast irons
文摘:介紹了運用熱力學理論研究鑄鐵中微量元素的幾個基礎問題,其中包括微量元素在鑄鐵中的溶解度、對鐵液結晶溫度的影響以及在鑄鐵溶液中形成碳化物的傾向。分享友人