等動力學溫度 的英文怎麼說

中文拼音 [děngdòngxuéwēn]
等動力學溫度 英文
isokinetic temperature
  • : Ⅰ量詞1 (等級) class; grade; rank 2 (種; 類) kind; sort; type Ⅱ形容詞(程度或數量上相同) equa...
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  • : Ⅰ動詞1 (學習) study; learn 2 (模仿) imitate; mimic Ⅱ名詞1 (學問) learning; knowledge 2 (學...
  • : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • 溫度 : [物理學] temperature
  1. In section one, by using fice scheme and time - gcm, a model of trace gases and oh airglow affected by gravity wave is set up, then the propagation of nonlinear gravity wave and the effect on trace gases and oh airglow are analyzed. the result shows gravity wave excited by tropospause forcing can propagate stably to the mesosphere through the stratosphere so that energy and momentum can be transferred from one region to another. in this process, gravity wave undergoes growth, overturning, convection and breaking

    在第一部分的工作中,利用全隱歐拉格式和全球熱層-電離層-中間層-電環流耦合模式( time - gcm ) ,對重波的非線性傳播及其在傳播過程中對中高層大氣中氧族和氫族成分和與之密切相關的oh氣輝輻射的影響進行了數值模擬,結果表明,從對流層向上傳播的重波經歷了產生、發展、飽和、對流產生直至破碎的非線性演化,大氣的非結構加速了重波在中層頂區的破碎,重波的非線性傳播是小尺對流和湍流產生的一個重要的源。
  2. In this paper, the course of isothermal crystallization kinetics of polymer in limited volume unit is simulated by use of the method of monte carlo. four factors influenting on the course of polymer in the limited volume unite isothermal crystallization are analyzed under the given conditions. the four factors are sample volume shrinkage, the change of the linear growth rate of entities g, the change of sample thickness and the change of the number of nuclei

    本文採用montecarlo方法研究了高聚物在有限體積元中的結晶過程,分析了在一定條件下,樣品體積收縮、晶體線生長速率變化、樣品厚變化和晶核數目變化這四種因素對高聚物在有限體積元中的結晶過程的影響。
  3. The crystallization and melting behavior of mellocene - catalized branched and linear polyethylenes of low molecular weight was studied. it was found that the crystalline lattice of branched polyethylene is larger than that of linear polyethylene because of the existence of branched chains. the melting behavior of branched polyethylene is similar to that of linear polyethylene since the branched chains can not enter the lattice. however, the crystalline behavior of low molecular weight branched polyethylene is the same as that of high molecular weight linear polyethylene, but different with that of low molecular weigh linear polyethylene. kinetics theory analysis evidenced that the transition temperature of growth regime of the branched polyethylene is about 20 lower than that of linear polyethylene with the same molecular weight. it may be attributed to the existence of short branched chains

    研究了金屬茂催化的低分子量支化聚乙烯和線性聚乙烯的結晶及熔融行為,發現支化聚乙烯的結構與線性聚乙烯相同為正交結構,但晶格略有膨脹.支鏈的存在對熔融行為影響不大,兩種聚乙烯的熔點均隨結晶的升高而非線性增加,表現出低分子量樣品的共同特徵.但支鏈的存在對結晶行為卻有很大的影響,主要是由於支鏈的存在降低了晶體的結晶速率從而影響結晶過程,使得低分子量的支化聚乙烯的結晶行為與高分子量線性聚乙烯的結晶行為相似而與低分子量的線性聚乙烯不同.分析表明,低分子量的支化聚乙烯的結晶生長方式的轉變比同分子量的線性聚乙烯降低了約20
  4. A co2 laser with the optimized resonator is made and to be proved by experiments. this dissertation focus on the following problems : the kinetics process of the cvl and the co2 laser, the rate equations for the laser level population, electron temperature and electron density

    本文的重點是:闡述清楚銅蒸汽激光和二氧化碳激光的過程,定量描述激光能級的粒子數速率方程、電子和電子密速率方程
  5. Combined with development of the products, the research emphasis in this paper is focus on the studies of the high - rate discharging performance at different temperature. 1. in the research of the discharge performance with high rate, the results of different effects including thickness of positive electrode, materials of hydrogen storage alloy, concentration of the electrolyte and separators

    論文在實現研究目標的過程中,結合產品的研製,重點對電池的高倍率放電性能和性能進行了研究:一、在提高電池大電流放電性能的研究中,比較了不同正極板厚、不同貯氫合金材料、不同濃電解液及不同材料隔膜對電池大電流放電平臺的影響,並從電極反應和多孔電極的角分析了極板厚對電池高倍率放電的影響。
  6. The experimental data has been used to validate pdm and low temperature sintering mechanics. the advantage and disadvantage of pdm have been discussed also. for the first time, the pdm is used to study the low temperature sintering mechanics of uo _ 2, and the research results indicate : 1

    3 、基於燒結頸長大速率與緻密化方程得出,影響二氧化鈾低燒結的因素有原始粉末粒徑、粉末堆積方式、坯塊原始密、燒結、燒結時間、燒結氣氛;粉末壓坯一定時,燒結、燒結時間和燒結氣氛就成為控制低燒結的關鍵因素。
  7. In this paper, concentrated sulfuric acid and titanium dioxide are used to prepare the tios04 solution that test later required under long time heat. the influences of reaction time and reaction temperature to yield of tioso4 are discussed. in the experiment of preparing tio2 powder, reaction temperature, ph values, material ratio, operation way, velocity of feed, calcining heat and time are researched by the principle of nucleation and growth in thermodynamics and kinetics

    在制備tio _ 2粉體實驗中,根據成核生長的熱原理,深入分析了沉澱反應時環境的、 ph值、反應物配比、操作方式、加料速因素對ti ( oh ) _ 4粒的影響,以及焙燒和保時間因素對制得的納米tio _ 2粉體性能的影響,得出了制備銳鈦型納米tio _ 2粉體的優化工藝條件。
  8. In this paper, co3o4 nano - particles were prepared by homogeneous precipitation method, technical conditions and kinetics were studied, the main contents and results are as follows : co ( no3 ) 2 6h2o was used as raw materials, and co ( nh2 ) 2 was used as precipitator, co3o4 nano - particles were prepared by homogeneous precipitation. the influences of concentration, molar ratio of reactants, reaction temperature and time, dryness temperature and time, and calcining temperature and time on particle size were investigated

    本文採用均勻沉澱法制備納米co _ 3o _ 4粉體材料,研究了制備工藝條件、沉澱反應和前驅體熱分解過程的,主要研究內容及結果如下:以硝酸鈷為原料,尿素為沉澱劑,採用均勻沉澱法制備納米co _ 3o _ 4 ,考察了硝酸鈷濃、反應物摩爾比、反應和時間、乾燥和時間、煅燒和時間條件對產物粒徑的影響。
  9. 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種生物質試樣作了加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆加熱的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微分方程,並採用goast - redfem積分法和p函數對其參數進行了求解,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模型,為科確定反應器的閃速熱解工作范圍及熱解反應描述,提供了理論和依據; ( 3 )為研究和確定不同尺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 )採用復雜場傳熱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達到充分熱解的時間( 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、工程材料、機械設計原理,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、錐壁強設計、生產能設計理論和功率計算方法及臨界轉速理論
  10. Abstract : based on the ahievement of epitaxial growth in several perovskite oxide films, we discuss the importance of substrate temperature ( ts ) and substrate material in the epitaxial growth of perovskite oxide thin films. influences of ts on growth orientation and epitaxial threshold temperature were observed. the results indicate that during the growth of the oxide films the phase formation and growth dynamics should be taken into consideration. the threshold temperature for epitaxial growth depends on the substrate materials. this demonstrates the influence of substrate material on the initial nucleation and epitaxial growth

    文摘:在成功地外延生長超導、鐵電、鐵磁多種性質的鈣鈦礦結構氧化物薄膜的基礎上,討論影響氧化物薄膜外延生長的一些因素.考慮到相形成和薄膜生長,在利用脈沖激光淀積法外延生長氧化物薄膜中襯底是十分重要的工藝參數.襯底對成相和生長薄膜的取向都有影響.考慮到薄膜是首先在襯底表面成核、成相併生長.因此襯底材料晶格的影響是不容忽視的.觀察到襯底材料對薄膜外延生長的影響.在適當的工藝條件下,利用低三步法工藝制備得到有很強織構的外延薄膜.這突出表明界面層的相互作用對鈣鈦礦結構薄膜的取向有著相當大的影響
  11. Kinetics of nonisothermal crystallization of high melt strength polypropylene

    高熔體強聚丙烯的非結晶
  12. The crystallization property were investigated by dsc. it was shown that the joining of ommt has a little effect on melting point of pp, the crystallization temperature of pp was improved obviously and the degree of crystallinity was increased ; through studying on kinetics of isothermal crystallization, the constant ( k ) of crystallization speed and crystallization speed ( g1 / 2 ) were lowered with rising of crystallization temperature ; half period of crystallizations and ( tp ) were delay with rising of crystallization temperature

    Dsc研究結晶行為表明:有機蒙脫土的加入對pp熔點的影響不大,使pp的結晶明顯提高,結晶增大;通過結晶的研究,結晶速率常數k和結晶速率g _ ( 1 2 )均隨結晶的升高而降低;半結晶期t _ ( 1 2 )和t _ p都隨結晶的升高而延長。
  13. The wxrd characterization showed that o - mmt possessed obvious nucleation effect on the crystallization process of b - pp. jeziorny and mo methods were used to study the non - isothermal crystallization process. the obtained value of kinetics parameters such as tp, n, zc, t1 / 2, a h, f ( t ), e showed that the o - mmt has nucleation effect in crystallization of pp and can increases the crystallization temperature of pp, quickens the crystall ization velocity, decreases the crystallization activation energy of pp but decreases the crystallization degree of pp at the same time

    運用jeziorny法和mo法研究了聚丙烯和復合材料的非結晶過程,所得到的非結晶過程參數t _ p , n , z _ c , t _ ( 1 / 2 ) , h , f ( t ) , e的數值表明,有機蒙脫土的加入可以起到異相成核的作用,從而提高pp的結晶,加快pp的結晶速率,降低pp的結晶活化能,但同時也會降低pp的結晶
  14. At the beginning of this article, we give the analysis about the principle of external condensation. we find out that the most important factor in the condensation is the temperature of the air in the system. and we point out the factors which can make influence in the external condensation, such as the temperature and the humidity of the environment, the temperature and the pressure of the supplying air, the load of the system, the area of passage of speed control valve, and so on. next, we give the mathematics model of the pneumatic system using the knowledge of aerodynamics and heat transfer theory. and using the finite difference method and the numerical analysis we can get the solutions of the model. we use c program to simulate the model

    本文首先對氣系統外部結露的原理進行了分析,指出了氣系統內部氣體下降是氣系統外部結露根本原因,提出了影響氣外部結露的主要因素,包括環境、環境濕、供氣壓、供氣、氣缸負載和調速閥開。然後應用氣體、氣體熱和傳熱對氣系統建立數模型,用逆步進有限差分法和數值分析演算法對所建模型進行求解,利用c語言編製程序對氣系統模型進行模擬,給出了氣管及氣缸內氣體的各個時刻的狀態參數。
  15. The properties of cn thin films such as their morphology, component, crystal structure and the bonding structure and the relation between those properties and the gas - phase reaction parameters were discussed, showing that the deposition of p - c3n4 thin film is the compete result of various reaction processes in the dynamics balance conditions ; the process of cn films depo sition is diagnosed in situ through the optical emission spectra technique, the effects of experimental parameters on the concentration of the precursors and the gas - phase reactions in the plasma have been obtained ; the main reaction precursors for film deposition identified ; the relation between the characteristics of cn thin films and the reaction process in the plasma is analyzed. the cn thin films deposition under different substrate temperatures in high pressure pe - pld shows that the si atom of the substrate has participated the cn films growth process, based on this the growth mode of cn thin films on the si substrate is proposed. the further experiment of cn thin films deposition on si substrate scratched by diamond as well as covered with fe catalyzer has been attempted, which indicates that changing the dynamics conditions of the surface reaction can alter the growth characteristic of the cn thin films and can enhance obviously the films growth rate

    採用pld技術進行了碳氮化合物薄膜沉積,得到了含氮量為21at的cn薄膜;研究了襯底和反應氣體壓強對薄膜結構特性的影響,給出了cn薄膜中n含量較小、 sp ~ 3鍵合結構成分較少和薄膜中僅含有局域cn晶體的原因;引入脈沖輝光放電離子體增強pld的氣相反應,給出了提高薄膜晶態sp ~ 3鍵合結構成分和薄膜的含n量可行性途徑;應用pe - cvd技術以ch _ 4 + n _ 2為反應氣體並引入輔助氣體h _ 2 ,得到了含n量為56at的晶態cn薄膜;探討了cn薄膜形貌、成分、晶體結構、價鍵狀態特性及其與氣體壓強和放電電流的關系,證明了- c _ 3n _ 4薄膜沉積為滿足平衡條件的各種反應過程的競爭結果;採用光發射譜技術對cn薄膜生長過程進行了實時診斷,得到了實驗參量對離子體中活性粒子相對濃和氣相反應過程的影響規律,給出了cn薄膜沉積的主要反應前驅物,揭示了cn薄膜特性和離子體內反應過程之間的聯系;採用高氣壓pe - pld技術研究了不同襯底條件下cn化合物薄膜的結構特性,揭示了si原子對薄膜生長過程的影響,給出了si基表面碳氮薄膜的生長模式;在金剛石研磨和催化劑fe處理的si襯底上進行cn薄膜沉積,證明了通過控制材料表面條件可以改變碳氮薄膜結構特性,並可顯著提高晶態碳氮材料的生長速率。
  16. Abstract : establishment of the macro dynamic mathematical models for coked zeolite catalyst coke burning regeneration was discussed from an engineering point of view. based on the modified particle - pellet model, dynamic mathematical equations for porous and nonporous catalyst coke burning regeneration were deduced, supplying a theoretical basis for computer simulation of coked zeolite catalyst regeneration

    文摘:從反應工程的角討論了結焦沸石催化劑燒焦再生反應宏觀模型的建立,根據已提出的修正的顆粒-粒子物理模型,分別推導出了多孔焦炭的燃燒再生階段數方程和無孔焦炭的燃燒再生階段數方程,為結焦沸石催化劑再生反應過程計算機模擬提供了理論依據。
  17. Aim : to analyze the mechanism, thermadynamic theoretical basis, dynamic mechanism and influencing factors of thermally induced phase separation ( tips ) in order to completely grasp the factors affecting the size, distribution and form of pores, so that the adjusted range of pore can be widened and the preparation of porous membrane can be repeated and controlled. methods : considering from the structural characteristics of tissue engineered materials, the methods of preparing porous membrane using tips technique, the hermadynamic theoretical basis, dynamic mechanism and influencing factors were analyzed, the problems and investigative directions in the future were also analyzed. tips technique is a process of phase separation of polymer homogenous solution under quenching, and it is suitable for diameter and structural form of the micropore materials prepared using tips are closely correlated with the kind and dispensing proportion of polymer attrnuant, polymer concentration and polymer molecular mass, etc. conducted, including determination of polymer - solvent system phase diagram, study of form and appearance of porous membrane of different thickness, study of form and appearance of porous membrane prepared with systems of different x, which is the parameter of polymer - solvent interaction

    目的:分析熱致相分離成膜過程的機理、熱理論基礎、機制以及影響因素,以便充分掌握影響孔大小、分佈、形態的因素,使孔調控范圍得以拓寬,使多孔膜的制備能重復可控.方法:從組織工程材料結構特點出發,分析熱致相分離聚合物多孔膜的制備方法及該法成膜的熱理論基礎、機制以及影響因素.並分析實驗中存在的問題及今後的研究方向.結果:以熱致相分離法可制備聚合物多孔膜.熱致相分離法制備多孔膜是高聚物均相溶液在淬冷條件下發生相分離的過程,它適用於上臨界共溶型聚合物一稀釋劑二元體系.熱致相分離法成膜的過程,可以認為是旋節線機理佔主導地位.熱致相分離法制備的微孔材料,其孔隙率、孔徑大小、結構形態與聚合物稀釋劑的種類、組成配比、聚合物濃、聚合物分子量因素密切相關.結論:可採用熱致相分離技術制備多孔膜,通過改變不同的成膜條件可獲得一系列不同孔徑尺寸和孔徑分佈的多孔膜材料.對熱致相分離成膜過程中聚合物-溶劑體系的相圖測定,不同厚的多孔膜形貌研究,不同x (聚合物-溶劑相互作用參數)體系所制備的多孔膜形貌需深人研究
  18. The flow characteristics, distributions of temperature, potentials, and chemical components in the 3 - d space are obtained by resolving the transport equation set, and coupling the electrochemical kinetics equations

    通過cfd技術求解傳遞方程組,並耦合電化方程,獲得了電池內的流、反應物組分濃分佈和電池的極化性能曲線。
  19. The model was based on the relationship between the concentration of freely soluble enzyme and adsorption quantity of the vector, combined with time and adsorption, some kinetic parameters ( igk, n ) related to the process were obtained by using the model

    根據酶液濃與載體吸附量的關系,結合時間與吸附量的關系,建立了freundlich吸附模型,並獲得了該模型的參數( lgk , n ) 。
  20. ( 2 ) xrd analysis showed that phenolic resin molecules could insert into the interlayer of organic - montmorillonite, but there are some differences of the behavior of intercalation between thermosetting phenolic resin and thermoplastic phenolic resin. ( 3 ) the cure kinetics parameters of epoxy resin / org - mmt / deta, epoxy resin / org - mmt / toa and epoxy resin / org - mmt / mz nanocomposites were investigated by differential scanning calorimetry ( dsc ). some kinetics parameters including the reaction order and activation energy were caculated with kissinger method

    ( 3 ) dsc研究了環氧樹脂二乙烯三胺蒙脫土、環氧樹脂桐油酸酐蒙脫土、環氧樹脂咪唑蒙脫土固化體系在不同org - mmt配比( 0 , 5 , 10 )及不同下的固化,除了運用常見的kissinger和crane方法求出活化能和反應級數參數外,還嘗試了用修正的avrami方程和自催化模型研究了環氧樹脂蒙脫土體系的固化
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