熱點溫度 的英文怎麼說
中文拼音 [rèdiǎnwēndù]
熱點溫度
英文
hot-spot temperature-
The simulation results suggest that, at the end of the scanning line, the dissymmetric temperature field and the great temperature gradient result in the balling phenomenon and great thermal stress, which could lead to the destruction of the sintering samples in this region. because of the coupling effect between scanning lines, the balling phenomenon is increased as the increase of the scanning lines, thus the over short scanning lines should be avoided in the sintering process. different scanning strategies have significant influence on the sintering
模擬結果表明,掃描端點溫度場的不對稱及較大的溫度梯度造成了端點球化現象,並在端點處產生較大的熱應力,使燒結成形試樣易在此處破壞;激光掃描線間的耦合作用使端點球化現象隨掃描線的增加而逐漸顯著,燒結時應避免過短的掃描線;不同掃描策略對燒結成形有很大影響,交替掃描會影響燒結試樣的質量,實際製造時應採用單向掃描策略。Boiling point elevations are negligible as well as the variation of the heat capacities and latent heats with temperature.
沸點升高以及熱容和潛熱隨溫度的變化忽略不計。Some other defects in castings are well - defined cracks and hot tears that develop during solidification, under combination of stress concentration from uneven contraction and the metal ' s low strength at near - melting temperatures
鑄件內部的其它一些缺點是,凝固過程中,在不均勻收縮造成的應力集中和接近熔點溫度下金屬的低強度的綜合作用下,出現的清晰裂縫和熱撕裂。The joints heat up as a result of the joule heating effect
焦耳熱效應造成焊點溫度提高。Then, analytical work was carried out as follows : the ultimate analysis and physi - chemical analysis of the pyrolytic oil comprised a sketch of the fuel properties of the oil ; then, through the distillation analysis of the oil, the fraction composition of the " unrefined " oil was known. after that, a general knowledge of the aromaticity and saturation of the hydrocarbons in the oil was provided by the outcome of the ft - ir functional group analysis. also, from the analysis, the form of the polar functional groups and their distribution in different fractions of the oil were learned
文中首先對不同熱解溫度下熱解油產率進行分析討論,然後,針對熱解油品質進行了一系列分析:通過元素組成和理化特性的分析,對熱解油作為燃料特性有了一個大致了解;通過實沸點蒸餾分析,得到熱解油作為一種未提煉油的餾分分佈,並為后續熱解油餾分的細入分析提供了前提;通過對熱解全油和各窄餾分的ft - ir官能團分析,對熱解油的芳香性、不飽和性有了整體的了解,並且清楚了熱解油中的極性官能團存在型式及其在熱解油不同餾分中的分佈。The entropy or number of states of system or subsystem are closely related to interaction of particles and energy level distribution, therefore, to study the temperature dependence of the specific heat may supply some important and useful microscopic information which may play an important role in understanding electronic structure, density of state, phonon spectrum etc. the specific heat measurements at low temperatures also play important roles in the finding of the third law of thermodynamics, the quantum theory of solid and bcs theory for superconducting etc. moreover, specific heat measurements help us to understand the different kinds of phase transitions ( such as : structural phase transition, magnetic phase transition, superconducting phase transition etc. ) and the scaling behavior near the critical point
系統、子系統的熵或微觀狀態數與微觀粒子間的相互作用及能級分佈密切相關,因此研究比熱與溫度的依賴關系能夠提供被測量系統許多極其有用的微觀信息,對理解固體的電子結構、電子態密度、聲子譜等起著十分重要的作用。低溫比熱的測量和研究對熱力學第三定律、固體量子理論和超導bcs等理論的建立起到了積極的推動作用。比熱研究還有助於認識各類相變如結構相變,磁性相變,超導相變等及臨界點附近的標度規律。The testing of thermal environment in one urban residential district of changsha city in sep, 2002 is retrospected and concluded. variations of surface temperatures of the buildings various terries, urban streets in that day are discussed, inflow boundary conditions and partial thermal boundary conditions for thermal environment simulation are obtained. the thermal environment status in this region could be macro - discerned
2002年9月在長沙市某住宅小區進行了熱環境測試工作,討論了當天墻體表面溫度變化、不同鋪墊表面溫度、街區測點溫度變化等,獲得了熱環境模擬計算的來流邊界條件及部分熱邊界條件,宏觀定性地了解了該區域的當天熱環境狀況。And then the pti method is applied to the solution of transient heat conduction
其未知量為中面節點溫度,可方便地加入到現有的熱傳導分析程序中。The heat of fusion is the heat required to melt a substance at its normal melting temperature.
熔化熱是一種物質在其熔點溫度全部熔化所需要的熱量。It utilizes the thermoelectric couple and thermal imaging system for the first time to monitor the internal heat conduction of the decoration for the buildings, and the uses the thermal imaging system and thermoelectric couple of copper constantan to follow up the monitoring to the surface temperature of the tiles and the temperatures in many
論文中首次利用熱電偶及熱像儀對飾面墻體的內部熱傳導過程進行了監測,利用熱像儀及銅-康銅熱電偶對面磚表面溫度及砂漿內部各層多點溫度進行了跟蹤監測,結果表明面磚表面溫度及砂漿內部各層溫度變化趨勢基本一致,而且從熱像儀測出的面磚表面溫度值與由熱電偶測出的面磚表面溫度值基本相同。Furthermore, the growth and the study of self - organized quantum dots structures become more and more important recently, and the application of self - organization technique become wider and wider in this thesis, we address the theory of film growth and the growth technique firstly more, the ways and characteristics of surface detection are prescribed we mainly report the growth process, results and discuss of self - organized quantum dots structures in the a12o3 substrates by s - k mode using ecr - mocvd, in the espd - u device the growth art of ain epilayer which is the preliminary foundation of self - organized gan / ain quantum dots structures, including the substrate cleaning, nitridation, the growth of buffer and the growth of gan and ain epilayer, is discussed we deliberately compare the test result of rheed xrd and afm and achieved the optimalized condition of ain at last we have successfully realized the growth of ain which is much smooth and better crystal quality moreover, we grow the self - organized gan / ain quantum dots structure in s - k mode because the limits of the heater temperature, we can not grow the atom - smooth epilayer of ain until now so we could not grow better quantum dots which have small diameter and big density but the self - organized quantum dots structures with better quality will be realized successfully if the substrate temperature is increased the thesis study belong to my tutor subject of national nature science foundation ( 69976008 )
本論文主要論述了在espd - u裝置上,採用電子迴旋共振等離子體增強mocvd ( ecr - pamocvd )方法,在藍寶石襯底上通過s - k模式自組裝生長gan aln量子點結構的生長工藝、結果及討論。而重點分析了自組裝生長量子點之前的aln外延層生長工藝,包括襯底清洗、氮化、緩沖層的生長和gan 、 aln外延層的生長;通過高能電子衍射、 x射線衍射和原子力顯微鏡測試,並且對這些測試結果進行了詳細的比較研究,得出了較優化的工藝條件,生長出了晶質較好、表面較平整的aln外延層;進而採用s - k模式自組裝生長了gan aln量子點結構。由於實驗裝置加熱爐溫度的限制,我們沒有能夠生長出原子級平滑的aln外延層表面,因而沒能夠生長出密度比較大和直徑比較小的量子點。We build a computing temperature model of membrane water wall and educe the relation between the local heat - flux of water wall and temperature of the back of the water wall. we realize the local slagging monitoring of water wall by the way of collection the temperature
在水冷壁結渣監測中,建立了膜式水冷壁溫度計算模型,導出了一個水冷壁背火側兩點溫度與水冷壁實際局部熱流的數學關系,通過採集水冷壁背火側兩點溫度,來實現局部結渣監測。Several feasible boundary conditions of thermal environment computations are provided. numerical simulation of thermal environment in that residential district is carried out depending on theoretical studies, wind environment simulations and thermal environment testing mentioned above. distributions of wind velocity, pressure, turbulence and temperature in two different periods are investigated and analyzed, and feasibility of thermal environment numerical simulation is proved by comparison of temperature and velocity values between testing and simulation in some tested spots
提出幾種可行的熱計算邊界條件,在上述基礎理論研究、風環境模擬計算、熱環境測試等基礎之上對住宅小區熱環境進行了數值模擬,分析了兩種時段內風場、壓力場、湍流場及熱場分佈,並比較了部分地點溫度和風速測試值與計算結果的差異,論證了熱環境數值模擬的可行性。The results indicate that the regenerative ladle baking with high temperature air combustion techniquecan speed up ladle heating rate and increase the temperature uniformity of lining
結果表明,採用助燃空氣煤氣雙預熱的蓄熱式燃燒技術能夠有效地提高鋼包的烘烤速度和加熱均勻性;氣體預熱溫度越高,包襯終點溫度越高,溫度均勻性也越好。It tell us : the abrasive capability of fly ash ; the similar calculation of ash erosion ; the calculation of ash erosion in the tube in turn and tube out of turn ; the reason of tube abrasion for gas flue ; the influence of air parameter for fly ash erosion ; the influence of changing temperature ; the influence of the flue gas composition, etc. next, it advances the solving measure ; reduce the flue gas velocity ; reduce the concentration of fly ash ; responsible construction : replace smooth tube with spiral tube ; use the new material of abrasion ; fuel desulfurization ; reduce so3 of flue gas ; raise flue gas temperature, making it up the dew point ; use the abrasion - resistance material to resist abrasion
討論了飛灰磨損性能、管壁受飛灰沖蝕的近似計算、灰粒對順列管和錯列管的磨損計算、煙氣走廊引起對流管束的磨損機理、空氣動力參數對飛灰沖蝕的影響以及受熱面壁溫變化及煙氣成份對飛灰磨損的影響等問題。接著提出了解決的措施:降低平均煙氣流速;降低飛灰濃度;使用鰭片管、螺旋翅片管代替光管;選擇合適的結構及排列方式,減少煙氣中so3的含量;提高受熱面壁溫使之大於煙氣的露點溫度;採用抗腐蝕材料作受熱面等防腐蝕的措施。After absorbing heat, the temperature rises to rated value and is let out at hot - blast mouth. when the hot - blast temperature reaches to the rated upper limit, the burner will stop to work automatically or turn to small fire. when the hot wind temperature reaches to the rated lower limit, the burner will kindle again or turn to big fire
需加熱的空氣通過選配的鼓風機強行送入熱風爐、吸熱后溫度升至額定值從熱風出口送出、當熱風溫度達到額定的上限溫度時,燃燒器會自動停止燃燒或自動轉為小火陷燃燒,當熱風溫度降低到額定的下限溫度時,燃燒器又會重新點燃運行或轉為大火燃燒,升溫的速度可調進風閥來實現。The specific heat on undercooled liquid state is linear with temperature, and it is the prolongation by extrapolating the curve of the specific heat on stable liquid to lower temperature. in the vicinity of the melting point, no uncontinuity is found
過冷狀態下熔體的比熱與溫度呈線性關系,且為過熱熔體比熱曲線向低溫方向的延伸,在熔點附近未發現比熱的不連續性。In the light of engineering design and experience gainedin trial - production as well as through the process calculation of drying, es - sentials are indicated for the process control in high - analysis compoundfertilizer production in a urea unit, and they are maintenance of appropri - ate amount of fine recycle and proper hot blast temperature at the inlet of the dryer
根據工程設計及試生產中的經驗,並通過乾燥過程的工藝計算,提出了尿素系列高濃度復混肥生產中的工藝控制要點是保持適當的細返料量及合適的乾燥機進口熱風溫度。Research on the on - line measuring method for the hot spot temperatures of transformer windings
變壓器繞組熱點溫度在線測量方法的研究The fluid flow along the cooling passage of scq magnets were compared for both supercritical helium cooling and subcooled liquid cooling. based on the analyses, the supercritical helium cooling scheme was suggested
模擬冷卻氦流在scq磁體通道中的流動情況,比較了超臨界氦流和過冷氦流這兩種冷卻方式對流道中熱點溫度的影響,為該磁體冷卻方式的確定提供了依據。分享友人