相轉變熱 的英文怎麼說

中文拼音 [xiāngzhuǎnbiànrè]
相轉變熱 英文
heat of change of phase
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 轉 : 轉構詞成分。
  • 轉變 : change; convert; transform; turn
  1. The obtained polysilane - polyacrylate gradient films showed no macro - interface with the silicone content reducing gradually from the top surface to the bottom one. dma thermograms indicated that polysilane - polyacrylate gradient films contained two glass temperatures with their bands drifting from and their range extending much from each component. the good properties of waterproof, calorifics, and ultraviolet - absorption were also determined by dsc, uv and water contact angle measurements

    結果表明：有機硅聚合物-聚丙烯酸酯梯度膜有一個較寬的玻璃化轉變溫區，玻璃化轉變范圍相對組分材料的玻璃化轉變范圍發生了擴展：有機硅聚合物-聚甲基丙烯酸酯梯度膜具有較好的熱學性能；硅含量的提高有利於改善膜層的憎水性能和紫外吸收性能。
  2. According to the nb - si phase diagram, the temperature of 1550 ?, which is lower than the eutectoid transformation temperature of nbssi ( 1783 ? ), is chosen for heat - treatment. according to the present conditions of the furfaces, heat - treatment by stages is first proposed for the nb - si system intermetallic composites to keep the furface in good conditions. the results indicate that the equilibrium nb + nbssia dual - phase microstructure of the nb - si system intermetallics forms gradually via such eutectoid reaction as nbasi ? nb + nbssis with the heat - treatment time

    根據nb - si二元相圖，選擇略低於nb _ 3si共析轉變溫度t _ f = 1783的1550對鑄態nb - si系金屬間化合物進行不同時間（ 25h - 100h ）的熱處理，並根據目前國內和我院熱處理爐的現狀，首次提出採用分段熱處理的方法來解決nb - si合金熱處理溫度高、連續熱處理時間過長而影響熱處理爐壽命的困難。
  3. It was found experimentally that rapid solidification could speed up the peritectoid phase transformation from the metallic a - fe2sis and s - fesi to semiconducting p - fesj2

    提高- fesi _ 2相的轉變速度是- fesi _ 2基熱電材料制備技術的關鍵之一。實驗發現，快速凝固有助於加速-相轉變。
  4. 90. 95. the phase transformation temperature of the natural cryptomelane was about 635. 5 examined by tga and dta and the cryptomelane was changed to bixbyite at a higher temperature. these studies reveal the significant features of cryptomelane for the potential application in the environmental materials science

    K 3 . 37 % 4 . 17 %差熱熱重分析表明天然錳鉀礦的結構熱穩定性較好， 635 . 5時相轉變為方鐵錳礦。
  5. The principle of multi - method and multi - parameter is suggested, which should be followed during characterizing microstructures of alloy steels by ultrasonic not method. ultrasonic velocity ( c, ) of transformation products through different heat processes of three steels was measured by high - accuracy ultrasonic installation. the velocity of quenched microstructure of 38crmoal is the lowest, which gradually increases with increasing tempering temperature between 200 ? and 650 ? after quenching process

    利用ti - 40n高精度超聲波測厚儀，研究了超聲波在不同鋼種、不同熱處理轉變產物中的超聲波速度c _ 1 : 38crmoal鋼淬火組織c _ 1最小，淬火后在200 650范圍內進行回火處理時，隨回火溫度的升高， c _ 1逐漸升高， hrc與c _ 1之間具有較好的相關性；正火組織的c _ 1介於淬火后中溫回火及高溫回火產物組織的c _ 1之間。
  6. This dissertation focuses on how to develop a high performance damping mechanism based on multi - energy transitions, which is independent or little dependant with the viscoelasticity of polymer matrix. three sections are mainly included in this dissertation as follows : chlorinated polyethylene ( cpe ) / piezoelectric ceramic ( pzt ) / vapor grown carbon fiber ( vgcf ) composites ; cpe / 2, 2 ' - methylene - bis - ( 4 - methyl - 6 - cyclohexylphenol ) ( zkf ) / vgcf composites ; organic hybrids made from cpe and small molecules cpe / pzt / vgcf composites : the damping composites of multi - energy transitions mechanism were produced by mixing pzt and vgcf into cpe. in this system, the mechanical vibration energy that was transmitted to cpe was found to convert into joule ' s heat through conduction paths between vgcf in the polymer matrix, so the vibration fades away

    本論文主要包括三個方面的研究內容： ?氯化聚乙烯（ cpe ） /壓電陶瓷（ pzt ） /氣相生長碳纖維（ vgcf ）復合材料； ? cpe /雙[ （ 2 -羥基- 3 -環己基- 5 -甲基） -苯基]甲烷（ zkf ） / vgcf復合材料； ? cpe基有機小分子混雜型復合材料cpe / pzt / vgcf減振復合材料：利用壓電和導電填料填充高聚物基體，當復合材料受到機械振動時，通過高聚物基體將機械振動能傳遞到壓電陶瓷粒子上，利用壓電陶瓷的壓電效應，將機械能轉換成電能，則電流在導電粒子產生的迴路中流動，由於導電迴路具有一定的電阻，所以電能又轉變成熱能耗散掉，從而起到減振的目的。
  7. The conclusions are as listed below : compared with absorption of fc16ab in chloroformon, the absorption peak of fcifrab in lb films shifted toward the shorter wavelength region, suggesting that some interaction among molecules due to the close molecular packing such as h - aggregates in the lb films. comparing uv - vis spectra of fc16ab in lb films deposited from cl - subphase with from aqueous subphase, this blue shift phenomenon of absorption demonstrated cl - made the compactness of fc16ab lb films increasing. ft - ir spectra of fc16ab in lb films at different temperature showed that there is a gradual disordering of alkyl chain from 27 ? to 200 ?, but no district phase transition appeared

    結論如下：紫外-可見光吸收光譜說明：與fc _ （ 16 ） ab氯仿溶液相比， lb膜的吸收光譜發生了藍移，這歸結于fc _ （ 16 ） ab發生了h -聚集以及抗衡離子可以使fc _ （ 16 ） ab的lb膜排列更緊密；變溫紅外光譜說明，隨著溫度升高， fc _ （ 16 ） ab的lb膜中烷基鏈的有序排布程度減弱，這表明該lb膜熱穩定性減弱，但在減弱的過程中沒有出安徽人學申請碩士學位論文摘要現相轉變。
  8. Abstract : the responses of shaft bow and their relationships with unbalanceresponses and mechanical or electronic run out are analyzed based on the theory of rotor dynamics. the responses of shaft bow are separated from the unbalance responses successfully by making use of vibration information under different rotor runs. an identification method of thermal bend is presented based on the 2d - holospectrum technique. experimental results show that when bow phase is steady and amplitude is variable, the tangent of initial phase point on the 2d - holospectrum is parallel, which can be effectively used for diagnosis of bent shaft

    文摘:依據轉子動力學理論分析了柔性轉子彎曲響應的特徵，在此基礎上討論了它與不平衡響應及機械與電氣跳動量之間的關系，並利用轉子在不同起車情況下的振動信息，有效地分離了彎曲響應和不平衡響應，求解出彎曲量與不平衡量的比值.提出了轉子在恆定轉速下，基於二維全息譜技術的熱彎曲故障識別方法.研究結果表明，當彎曲量相位穩定而其幅值變化時，轉子響應的二維全息譜初相點的切線是相互平行的，由此可以有效地實現轉子熱彎曲故障的識別與診斷
  9. According to structural characteristics of multi - phased alloy steels and the properties of ultrasonic propagation, microstructures characterization with different heat treatment processes ( normalizing, quenching / annealing, quenching plus low tempering, quenching plus high tempering ) for three steels ( 40cr, 38crmoal, gcrlssimn ) was studied experimentally by using ultrasonic methods. ultrasonic velocity, relative attenuation coefficient, and power spectral analyses were researched on the same samples respectively, on the basis of theory and experiment, the sensitivity and other characterizations of the three methods used to distinguish different microstructures were compared

    根據具有多種相結構合金鋼不同熱處理轉變產物的組織特點，以及超聲波在其中的傳播規律，利用超聲波速度、相對衰減系數以及功率譜分析三種方法，對三種鋼（ 40cr 、 38crmoal及gcr15simn ）不同熱處理（正火、淬火退火、淬火+低溫回火及淬火+高溫回火）轉變產物的顯微組織進行了超聲表徵研究。
  10. Results show that the interdecadal anomalies are more significant in the variance of the system anomaly in the north pacific ( np ), and the interannual and interdecadal anomalies are about equivaleut in the tropical pacific ( tp ) ; the interdecadal change characters of the surface ( shallow ) layer of the ocean and the atmosphere aloft are unanimous in the same season and region, and their transition from a low mode to a high mode both occurred from the end of 1970s to the beginning of 1980s, with an exception for july in the np, which is related to the stability of the stratification of sea temperature within the sub - surface layer ; the interannual scale air - sea anomalies are associated with enso, is most typical for january, then july in the tp, followed by january in the np, and there is no visible relationship for july in the np

    在海氣系統異常的方差構成中，北太平洋區域以年代際異常為主，熱帶太平洋區域年際和年代際異常相當；表（淺）層海洋與大氣的年代際變化特徵對同一季節、區域是一致的，且20世紀70年代後期到80年代初均發生由低模態向高模態的轉變；北太平洋區域的7月與此不同，這與該季節近表層海溫層結穩定有關；年際尺度的海、氣異常與enso有關，且以熱帶太平洋區域1月最典型， 7月次之，北太平洋區域1月再次之， 7月無明顯關系。
  11. It is found that the effects of the latent heat are not negligible in the laser cladding process and their errors depend on the temperature range during phase transformations and the size of melted material region

    計算結果表明，在激光塗敷過程的溫度場分析中，潛熱的影響不是總可以忽略的，其誤差取決于材料在物相轉變時交界面溫差的?圍及材料熔解體積的大小。
  12. I. hc is greatly improved from several oe to nine thousands oe with the rise of annealing temprature, but mr / ms decreases, which mainly because fcc texture changes into fct texture

    熱處理溫度在600 850的范圍內，隨著的溫度的升高剩磁比稍有降低，主要原因是晶相結構的形成和fcc相到fct相的轉變。
  13. This change is a break when the outside conditions exceed a threshold value with gradually variety. the break is equal to the non - equilibrium phase transition in thermodynamics. ( 6 ) there are two kinds of stable channels

    河型轉化是在外界條件緩慢變化過程中，超過某一臨界值而發生的突變，這種突變相當于熱力學中的非平衡相變，是由某些參數的漸變引起的從量變到質變的一個過程。
  14. The formation process of w - type ferrite underwent from oxide of metal, the m - type transition phase to final w - phase. when the heating rate was 5 / min, at 900 for 3 hrs and 1200 for 4 hrs, pure m - type and w - type ferrites were formed in air respectively. with heat treatment temperature increasing, crystal structure was more intact, the saturation magnetization increased and the coercive force decreased

    熱處理過程表明， m型鐵氧體直接由金屬氧化物反應形成，未經歷尖晶石中間相； w型鐵氧體形成由金屬氧化物到m相過渡相最終向w相的轉變；當升溫速率為5 min ，溫度在900 ，保溫3小時和1200保溫4小時，就分別形成單相m相和w相鐵氧體；隨著熱處理溫度的升高和保溫時間的延長，衍射峰變尖銳，結晶更完整，空心微球的飽和磁化強度增大，矯頑力減小。
  15. Through the analysis of the evolution of the microstructure, the honey comb at the grain boundary and the pool in the grain, furthermore according to the phase change thermodynamic and kinetics, the conclusions of the globalization mechanism and the reheating parameters were drawn as follows. 1

    通過對半固態再結晶和半固態熔化過程中的組織轉變、晶界蜂巢及晶內液池現象的分析，結合相變熱力學和動力學原理，提出sima法制備鎂合金半固態球狀化組織的形成機制及工藝參數。
  16. Phase transition of zrw2o8 thin film and its coefficient of negative thermal expansion

    8薄膜的物相轉變與負熱膨脹系數
  17. The intermediate - temperature sofc ( solid oxide fuel cell ) ’ s electrolyte with perovskite - type lsgm ( la _ ( 0. 9 ) sr _ ( 0. 1 ) ga _ ( 0. 8 ) mg _ ( 0. 2 ) o _ ( 3 - ) ) was synthesized using advanced pechini method and solidification method. the thermal and electrical properties of the sintered samples ( synthesized by two different methods ) were measured and compared by thermal expansion and ac impedance spectroscopy ; the phase transformation process and inner structure were measured and compared by xrd, dta - tg and ac impedance spectroscopy. the research results show that the electrolyte synthesized by advanced pechini method has several advantages, such as fine pre - powders, low sintering temperature, reduced or eliminated impurity phases and high conductivity etc. so, the apm is ideal method to synthesize lsgm

    採用改進的檸檬酸法（以檸檬酸和edta乙二氨四乙酸為復合絡和劑，檸檬酸為燃料）和固相法分別制備了具有鈣鈦礦結構的中溫固體氧化物燃料電池的電解質材料lsgm （ la _ （ 0 . 9 ） sr _ （ 0 . 1 ） ga _ （ 0 . 8 ） mg _ （ 0 . 2 ） o _ （ 3 - ） ） ，用差熱?熱重分析（ dta / tg ） 、 x光衍射分析（ xrd ） 、交流阻抗譜技術（ ac - impedancespectra ） 、比表面積分析（ bet ）和燒結收縮率曲線等手段對產物的熱分解過程、物相轉變和內部結構等進行了表徵，並對由這些粉體燒結而成的固體氧化物燃料電池的電解質材料的電導率進行了檢測。
  18. Study on continuous cooling transformation and hot rolled dual - phase treatment for 09cupcrnimonb weathering steel

    耐候鋼連續冷卻轉變及熱軋雙相化的研究
  19. The property of freedericksz transition and the bistable state for nematic liquid crystal ( nlc ) cell in the surface physics of liquid crystal ( lc ) have been one hot point of current lc science

    液晶錶面物理中弱錨定向列液晶盒的freedericksz轉變的性質以及與此相連的雙穩態問題是目前液晶科學的一個熱點問題。
  20. On the base of tg - dta, found the yb : kgw crystal has very good thermal stability under 1100, which has two obvious absorption peak at 1088 and 1025, contrast with the pure kgw crystal ( melting point at 1005, phase transition temperature from tetragonal system to monoclinic is 1075 ), we know the yb : kgw crystal ' s melting point is the absorption peak at 1088, phase transition peak from tetragonal system to monoclinic is the absorption peak at 1025

    利用tg - dta對所生長的yb ： kgw晶體測定說明，其在1100以下的熱穩定性是很好的。 yb ： kgw晶體在1088和1025有兩個明顯的吸收峰，判斷在1088處較寬的吸收峰是yb ： kgw晶體的熔點， 1025處的吸收峰是yb ： kgw晶體從四方晶系向單斜晶系的相轉變峰。
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