比熱曲線 的英文怎麼說

中文拼音 [xiàn]
比熱曲線 英文
specific heat curve
  • : Ⅰ動詞1 (比較; 較量高下、 長短、距離、好壞等) compare; compete; contrast; match; emulate 2 (比...
  • : 曲名詞1 (一種韻文形式) qu a type of verse for singing which emerged in the southern song and ji...
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 曲線 : [數學] curve; bight; bought; profile; net曲線板 french curve; irregular curve; curve board; splin...
  1. The results indicate that ( a ) before heat treatment, with the increasing of substrate temperatures, content of lower valency ( tij + ) decreases, the stoichiometric proportion of o / ti in all samples is about 2 ; the films have amorphous incompact columnar fiber structure, and with the increasing of substrate temperature, the size of columnar fiber increases ; the films have good hyalescence in visible range and great absorbability at the wavelength of 350nm ; optical constants of the films are calculated from the transmittance spectrums in visible range by mathematical analysis of the orders of interference, the results show that the refractive ind

    研究結果表明, ( a )處理前,隨著基片溫度的增加,薄膜中的低價氧化鈦含量逐漸減少,化學計量趨于o ti = 2 ;薄膜具有非晶態不緻密的柱狀纖維結構,柱狀纖維的尺寸隨基片溫度的升高而增加;薄膜在可見光范圍內透明,在波長為35onzn時嚴重吸收,利用干涉級次法分析了薄膜的光學常數,結果表明,薄膜的折射率隨基片溫度的升高而增加,根據計算結果得到了tioz薄膜在不同基片溫度下的折射率色散
  2. Based on the review, the fluid flow and heat transfer in the curved circular and rectangular pipes have been researched by employing perturbation method and numerical simulation with a physical model under the rotational orthogonal curvilinear coordinate in a rotating curvilinear pipe with multi - parameters. we firstly analyzed the fully developed fluid flow and heat transfer, mixed convection heat transfer, the development of flow and heat transfer in the inlet in different cross section ( circular, elliptical, annular and rectangular crossection ). the variations of the secondary flow, axial velocity, distribution of temperature, the friction force on the wall, the ratio of friction factor as well as the nusselt number with different dimensionless parameters had been examined in detailed

    本文在總結和分析了一個世紀以來有關管道流動和換特性的研究成果的基礎上,以旋轉正交坐標系統下的多參數旋轉螺旋管道中的對流傳為物理模型,通過攝動方法和有限體積法,首次對各種截面(圓截面、橢圓截面、環形截面、矩形截面)旋轉管道內充分發展流動的流動結構和傳特性(包括耦合對流傳特性)以及旋轉管道開口段發展流動的流動結構和換特性進行了系統的數值模擬和理論分析,詳細討論了各種無量綱參數對管道內軸向速度分佈、二次流結構、溫度分佈、壁面摩擦力、摩擦系數以及管道nusselt數的影響,獲得了若干創新性成果。
  3. Several materials with large coefficient of expansion were selected to make packaging components, and it was found that the packaging materials have good temperature sensitivity and compatibility with optical fibers. experimental accuracy and repetition of fbg temperature sensitivity and compensation were discussed. have selected several materials which has bigger coefficient of expansion to do packaging components, have made many temperature experiments, there have not flaws, such as aging, crackle, absciss layer, packaging materials have good temperature sensitivity and compatibility with optical fiber ; have designed the simple and practical packaging components, have performed a serials of experiments about accuracy and repetition of fbg wave - length, have obtained the first step conclusion ; have analyzed the result and made comparison between the result of different experiment, have summarized the best packaging effect and several rules to reduce mistskes

    本文所做的主要工作包括以下幾個內容:一、選取了常見的膨脹系數大的材料製作封裝元件,經過多次一80到80反復測試,封裝元件沒有出現老化開裂、封裝裂紋、空洞、離層等缺陷,封裝材料具有良好的溫敏穩定性及復用性,與光纖相容性較好;二、對光纖光柵進行簡單、實用的封裝處理,就封裝效果的優劣性、波長測量的準確度、重復性和封裝時產生的波長損失等方面進行了一系列的實驗,得出了初步的結論;三、對溫敏和溫度補償式封裝的實驗數據進行了詳細的分析和對,從數字上對溫變過程中光纖光柵中心波長的改變及溫變進行了定量的分析,在大量實驗數據分析結果的基礎上,總結出哪種材料封裝效果更好,以及如何有效的減小實驗誤差。
  4. With the very low water to cement ratio, rpc has ultra - high strength high ductility and low permeability. in this paper, the compressive strength of rpc can reach to a high point with the number approximately 135mpa. as illustrated from the study results, we can approve some fundamental conclusions : there are big effects on rpc with deferent kinds and properties of raw materials and deferent curing conditions ; stress - strain curve shows the process of destroy with rpc samples ; x - ray diffraction analysis indicates that heat treatment at temperatures 90 accelerate the hydration of rpc sharply, therefore, mechanical and microstructural properties of rpc are highly dependent on heat treatment ; it is believed that rpc materials have excellent resistance to chloride permeability ; during the heat treatment, the shrinkage of rpc developed quickly because of chemical reactions ; the rpc with slag mostly has the advantage of rpc without slag about resistance to solutions corrosion

    研究結果表明:通過對rpc各組分摻量變化的研究,可以找到rpc的最優配合;試件成型后的養護制度對rpc的性能影響巨大; rpc的抗壓應力?應變可以反映出試件受破壞時微裂紋的擴展情況,剛纖維的摻入可以大幅改善rpc的韌性; rpc在成型后存在較大的收縮,而其中的化學收縮要遠遠大於乾燥收縮; rpc具有很強的抗氯離子滲透性能,漿體的密實度很高;通過x射衍射實驗,可以發現rpc的膠凝體中ch晶體已經幾乎不存在,膠凝體主要由c - s - h凝膠和未水化水泥顆粒組成;在抗溶液侵蝕的實驗中,摻礦渣rpc的抗溶液侵蝕性能在絕大多數情況下要好於不摻礦渣試件,酸、堿溶液和浙江工業大學碩士學位論文摘要一些鹽溶液都會對rpc的結構產生侵蝕作用,但是機理各有不同。
  5. It is indicated that the hydration process of cement - based materials with slag, fly ash and silica fume is different in some degree from that of neat cement because of the difference in mineral structure and hydration mechanism. the periods of accelerating, decelerating and terminating are prolonged and hydration reaction decelerates. the second peak of rate curve of the heat evolution could be divided into two small peaks, which are contributed to the hydration of clinkers and mineral mixtures at the temperature of 30 but when temperature comes to 50, the two small peaks combine into one and the reaction accelerates

    結果表明,與硅酸鹽水泥相,由於礦物摻合料與水泥熟料在活性和水化機理上的差異,水化歷程有較大的改變:多組分體系誘導期、加速期和衰減期延長,水化反應速率明顯降低;低溫時,水化放速率上的第二放峰細化成分別對應于熟料和礦物摻合料水化的兩個小峰;高溫時,反應速率加快,雙峰合併;進一步研究發現,摻合料的種類與摻量對水化歷程也有較大的影響;建立了適用於多組分水泥基材料不同水化階段的水化動力學方程。
  6. Through having done field surveys in the campus of chongqing university, this paper tested classroom indoor and outdoor climate parameters in june, july and september of 2005, it used questionnaire to acquire subjects ’ thermal sense, draft sense and humidity sense in classroom each month, and programmed composition to compute predicted mean vote and compared pmv with the field testing results of mean thermal sensation vote. it is discovered that pmv is overvalued the college student ’ thermal sensation in chongqing. it finds that people in chongqing adapt to the typical summer hot and winter cold sweltering weather

    對重慶地區高校教室的現場調查,測試了重慶大學2005年六月、七月和九月教室室內外環境參數,通過採用問卷主要掌握了受測對象教室里的冷感、氣流感和潮濕感,通過編製程序求得預測平均感覺評價pmv的值,較pmv和問卷調查得到的平均感覺mtsv ,發現pmv預測值高估了重慶地區高校學生的感覺,這里的人群對重慶這種夏冬冷地區較典型的悶氣候具有一定的適應性,對現場問卷調查的結果進行分析,得出了室內空氣溫度、氣流速度、相對濕度與人體主觀感覺之間的回歸,發現重慶地區高校學生中性時的空氣溫度為25 . 5 , fanger根據歐美人群調查得到的公式計算出的預測感覺為中性時的空氣溫度為25 . 0 ,兩者相差0 . 5 。
  7. Abstract : in the internal circulating fluidized bed, there exist the moving zone, fluidizing zone and heat transferring zone with different fluidized air velocities. the convection heat transfer coefficient of immersed tube in the heat transferring zone is impacted by the velocity of the moving zone nearby and its data and change trend are obviously different with those of the common bubbling bed. the maximum heat transfer coefficient is evidently higher than that of the bubbling bed. as the bed materials have not been fluidized in the heat transfer zone, the coefficient has increased highly. the curve of that changes gently, feasilble to control the combustion intensity in the fluidizing zone

    文摘:垃圾焚燒系統中,內旋流流化床存在不同布風速度的移動區、流動區和換區,處于換區的埋管的對流換系數受附近流動區氣流參數的影響,其變化趨勢及數值大小與普通鼓泡型流化床之間有明顯不同:最大的對流換系數明顯高於鼓泡床;換區尚未流化時,對流換系數已經大幅提高;整條換的變化較平緩,易於流化床濃相床內換
  8. The calculation program using the matlab has been worked out to get the numerical solutions of the proposed models. the experiment has first been conducted in the laboratory to get the fundamentals thermal and moisture properties ( such as materials density, specific heat capacity and thermal conductivity ) and also the material moisture absorption isotherms of adobe building materials. the methods of measuring the surface mass transfer coefficient and material moisture content have been proposed

    首次對生土建築材料物性參數進行了實驗測試,得到了常用生土建築材料的密度、和導系數等參數值,得到了生土建築圍護結構的等溫吸濕平衡的擬合函數關系式;此外,研究了生土建築圍護結構表面質交換系數實驗測定方法,探索了利用電阻率測量生土建築圍護的安窪築科技人學博十學位論文結構內部含濕量的測試方法。
  9. The precipitation sequence is. - supersaturated solid solution - stoicheometric " phase - growth. with the increase of the composition there is more characteristic of non - classical nucleation and growth, and the order parameter values of critical ordered nucleus decrease. the precipitation sequence is : supersaturated solid solution - nonstoicheometric ordered phase - stoicheometric " phase - growth

    隨濃度增加,大部分亞穩區合金沉澱非經典形核長大的特徵增強,有序相臨界晶核序參數分佈降低,且分佈更加平緩,沉澱序列為:過飽和固溶體非化學計量有序相化學計量相長大,非化學計量有序相併非力學意義上的亞穩相,研究工作明確了這一點。
  10. 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

    過冷狀態下熔體的與溫度呈性關系,且為過熔體比熱曲線向低溫方向的延伸,在熔點附近未發現的不連續性。
  11. The result indicates that improvement is helpful to enhance veracit y of calorimeter. when coal combusts in bomb, temperature of measuring system will change. through analysis and comparison graphs of temperature, we can see that they differ from each other with the variation of coal ingredient and there is a flexion in it

    通過分析和較恆溫式氧彈儀測定煤炭發量過程中量系統溫度變化的,發現量系統的溫升普遍存在著一個拐點,這個拐點可以作為煤在過氧條件下著火燃燒方式的判據。
  12. We select crm without coal as reference ; select semi - dynamic atmosphere to operate machine ; use the method fixing the temperature of hearth and that of sample holders when the analysis begins, which ensures the consistency of heating samples ; adopt the dta curve of " at - t " to analyzing crm heat, which decreases possible influences from the fluctuation of heating velocity ; draw conclusions that crm proportion and granularity influence the analysis little, but not crm moisture and coal species ; advise that there be a warm - up to the crm with much moisture before analysis and a modification to the crm with variable species of coal ; then obtain the feasible operation conditions and operation curve ( together with the curve function )

    選用白生料作標樣;選用準動態測定氣氛;採用恆定爐膛溫度( 650 )和固定支持器初始溫度( 60 )的方法,確保了樣品受過程的一致性;採用「 t ? ? t (時間) 」 dta分析生料,減少了升溫速率的微弱變化對測定結果的可能影響;得出生料配和細度對差儀測定結果影響小、生料水分和煤品種影響大的結論,並提出對大水分生料測定前要進行預處理、對不同品種煤的測定結果要進行修正的建議。最終,得到了差儀適宜的工況條件和工作(及方程) 。
  13. Because of the small conductivity factor of organic phase change materials, all kinds of copper grids, gas sio2 and organic bentonite were added to organic phase change materials in order to heighten its conductivity factor. the conductivity factors were maesured by using time - temperature curve and comparison curve, and, the conductivity factor curves were drawn. at the same time, the entropy of phase change of every system was determined by using dsc

    針對有機相變貯能材料導系數小的缺點,採取在其中添加各種形狀的銅網格、氣相sio _ 2和有機膨潤土的方法來改善體系的導性能,利用時間-溫度法和較法兩種方法測定體系的導系數,並且繪制了體系導系數的變化;同時利用dsc對上面部分體系的相變焓進行了測定。
  14. The following is the experimental investigations on solidification process of stearic acid. the influences which the inlet temperature and reynolds number of the cooling water have on the solidification process are presented. figures that display how heat flux change versus time has been drawn and analyzed

    然後是硬脂酸凝固問題的實驗研究,分析了換流體進口溫度、換流體re數大小對凝固過程的影響,繪制了凝固過程中流密度變化較了螺旋肋肋寬對強化傳效果的影響。
  15. Above all, the surface of the gas turbine blade including stator and rotor heat transfer coeficience with no film cooling hole was studied with the main stream reynolds number of 150000, 200000 50000, 300000, 350000, 400000. then, the heat transfer coefficience when all cooling holes opened and only one cooling hole opened was studied partly. and it ' s studied how the mainstream reynolds number, blowing ratio and the position of holes affect the heat transfer coefficience of the surface of blade

    對導葉和動葉,都是先研究了在150000 , 200000 , 250000 , 300000 , 350000 , 400000雷諾數下,沒有氣膜冷卻時的表面換系數分佈,然後研究了氣膜孔全打開和只打開單排孔時的表面換系數分佈,重點研究來流雷諾數,吹風和不同孔位出流對換系數分佈的影響規律。
  16. 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?重分析( dta / tg ) 、 x光衍射分析( xrd ) 、交流阻抗譜技術( ac - impedancespectra ) 、表面積分析( bet )和燒結收縮率等手段對產物的分解過程、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。
  17. Heat treatment can also change the multi - layer ' s ( ticvti / tin / ti / ticb ) reaction coefficient. the reaction coefficient is decided by the exterior ticvs thickness, and influenced by the n perce ntage on the surface of the multi - layers -, the crystal status of tio2, and also influenced by the na + moved from the glass substrate

    多層薄膜在300下處理lh時,薄膜的紫外一可見光透過率與未處理時相沒有改變;在400下處理1h時薄膜紫外一可見光透過率增大,並向長波方向移動;薄膜在500下處理時透過率增加,並出現干涉條紋。
  18. 3 ) a novel martensitic transformation kinetics model for sma is proposed based on the phenomenological description of the martensitic transformation heat flow - temperature curve and on the linear relationship between the partial derivatives with respect to the temperature of martensite fraction and of gbbis free energy. numerical simulations by utilizing the proposed model are closer to experimental results than those from other models

    3 )基於對馬氏體相變流-溫度實驗的唯象模擬,以及馬氏體體積分數與力勢對溫度偏導數之間的性關系,建立了一種新的馬氏體相變動力學模型,並與其他模型及實驗結果進行了較。
  19. Xps measurement results exhibited that no detectable fe2 + existed in the compound of a ~ fe2os doped with sn4 +, which suggest that oxygen anions or cation vacancies not only can compensate the charge balance but also significantly enhance the gas - sensitivity of a - fe2o3 based gas sensors. ( 3 ) conductive type of a - fe2o3 doped with sn4 + is showed in the n - type by hall measurement and gas - sensitivity measurement. the results of measurements and characterizations suggest that the sensitive mechanism of the a - fe2o3 based nano - materials prepared by this work be the surface resistance controlled mode

    ( 3 )首次進行了霍爾測量,並結合氣敏測試結果,從不同方面證實了摻錫- fe _ 2o _ 3納米半導體的導電類型是n型;綜合粉體的電導率?溫度、元件的電阻?加電流特徵、元件在不同氣氛下的電阻特性以及表面積等測試表徵結果,得出本文所製成的- fe _ 2o _ 3基氣敏元件的氣敏機理特徵屬于表面控制型。
  20. It showed that qv was mainly decided by the amounts of pyrolysis parts at lower exothermic peak ( 300 ). the h300 / h450 ratio at dta curve and w320 / w500 ratio at dtg curve have the similar tendency of changes. both can be used as the index to describe the decaying process

    Dta中h300 h450的值與dtg中w320 w500值的變化趨勢基本一致,經相關分析,兩者的相關系數為0 . 8035 ( n = 32 ) ,達極顯著相關水平,兩者都可作為分析方法表徵腐解進程的指標。
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