相界溫度 的英文怎麼說
中文拼音 [xiāngjièwēndù]
相界溫度
英文
phase boundary temperature- 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...
- 界 : 名詞1 (相交的地方; 劃分的界限) boundary 2 (一定的范圍) scope; extent 3 (按職業、工作或性別等...
- 溫 : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
- 度 : 度動詞[書面語] (推測; 估計) surmise; estimate
- 溫度 : [物理學] temperature
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Kelvin is the unit for the absolute temperature scale. one kelvin is equal to one degree celsius. however, the absolute temperature scale is shifted by 273
絕對溫度是科學界最通用的溫度單位,只要將它減去273 ,便可轉化為攝氏度,例如絕對溫度300度,相等於攝氏27度。Bismuth ruthenate and silver were selected as conductor phases and the mixture of calcium oxide - alumina - silicon dioxide ( cao - al _ 2o _ 3 - sio _ 2 ) glass and lead oxide - boron oxide - silicon dioxide ( pbo - b _ 2o _ 3 - sio _ 2 ) glass was selected as inorganic binder phases. it was found that, with the increasing of volume fraction of silver and conductor phase, sheet resistivities descend and there are critical thresholds
實驗發現,隨著功能相百分含量的增加,電阻膜層的方阻值逐漸減小,存在兩個臨界閾值,電阻溫度系數偏向正值;功能相中銀百分含量增加,膜層的方阻值逐漸減小,有一個臨界閾值,電阻溫度系數偏向正值。Abstract : in the research of internal combustion engine, recordingin - cylinder pressure and temperature is an essential technique to study the thermal cycle of internal combustion engine. the combustion analyzer developed in this study will give both the measurements at sampling points per crank angle or sampling cycle, calculate and show the real time parameters which decide the working process of internal combustion engine, such as pressure accelerating rate, indicateed mean effective pressure, cycle - to - cycle variation, heat release rate, etc. compared with the imported congeneric products, the analyzer has many advantages such as chinese interface, low price, easy operateing, convenience in maintainance and easy upgrading
文摘:為了測錄內燃機缸內的壓力及溫度,開發了一種內燃機燃燒分析儀.該分析儀由國產高速數據採集卡及自行開發的控制軟體組成.它不僅能精確設置每度曲軸轉角內采樣點的個數和採集循環數,而且在採集過程中能實時計算和表徵內燃機工作過程的壓力升高率、平均指示壓力、循環變動率、放熱率等參數.經實際使用以及與國外產品相比表明,此分析儀具有全中文界面、價格低、操作簡單、使用維護方便、功能便於擴充等優點The advantage of the method is that the implicit interaction between dhss is transformed to the explicit relations between their contribution ratios
作者首先提出了組合溫度尺度法,它有效地將離散熱源之間抽象的相互作用轉換為邊界條件之間明確的物理關系。The relations between relative measurementerror resulting from temperature and heat distensibility coefficient of coil ’ s framework andwindingcoilwerecarriedout. theinfluenceofelectromagnetisminterferenceontheaccuracyof rogowski coil, as well as the effect of temperature on integraph, were studied. somemeasures based on the above investigating results were proposed to insure the precision ofrogowski coil sensor head, such as the selection of materials and facture methods, improvment of technics and design of additional compensation
利用建立的rogowski線圈的數學模型對溫度和外界干擾磁場的影響進行了分析,得出了溫度造成的相對誤差與線圈骨架和繞組線圈熱膨脹系數之間的關系;從兩個方向上分析了干擾磁場對線圈精度的影響;分析了溫度對積分器的影響等。The anion surfactant nals was the most efficient in the process and was selected as collector by orthogonal method. the interfacial tension and cmc of nals ( cmc 6. 5 10 - 3m ) in the solution was measured by hanging ring test, the function relationship between interfacial tensions and nals concentration was : = - 0. 9523 in 2c - 24. 534 in c - 81. 411. the relation of interfacial adsorption equilibrium in the solution system was respectively tested and calculated with gibbs equation and dynamic method. the conclusion showed that ( 1 ) the experiment result of dynamic method with was highly in coordination with the value which from theoretical calculation. ( 2 ) the surfactant molecule was in arrangement of monomolecular layer at the gas - liquid interface
用吊環法測定了十二烷基硫酸鈉水溶液不同濃度與其界面張力的關系,擬合得到的回歸方程為= - 0 . 9523ln ~ 2c - 24 . 534lnc - 81 . 411 ,同時還測得其臨界膠束濃度值( cmc為6 . 5 10 ~ ( - 3 ) m ) ,運用吉布斯等溫方程和動態法分別計算和測定了該溶液系統的界面吸附平衡關系,結論表明: ( 1 )動態法測定結果基本吻合吉布斯方程的理論計算; ( 2 )表面活性劑分子在氣?液兩相界面是以單分子層形式定向有序排列的。A reliability experiment of thermal aging was carried out for the two types of joints, scanning electron microscopy, energy dispersive x - ray spectrometer and micro x - ray diffractomer were adopted to investigate the interfacial evolution behavior of joints, and kinetics model of imc formation was established. the results show that imc growth follows the parabolic law as a function of aging time at certain aging temperature, imc growth is more sensitive to the aging temperature than the aging time, the activation energy of cu - al imc growth is 97. 1kj / mol and the major forming cu - al imc are cual2 and cu9al4, the activation energy of au - al imc growth is 40. 1kj / mol and the main au - al imc are au4al and au5al2, with au2al and aual at the interfacial periphery of joints, the rate of cu - al imc growth is about 1000 times slower than that of au - al imc, and kirkendall voids and cracks are easily appeared during thermal aging in gold ball bonds while voids and cracks are absent in copper ball bonds even after aging at 200 for 2900 hours and 250 for 169 hours
研究結果表明:金屬間化合物厚度與老化時間的關系符合拋物線法則,金屬間化合物的生長對老化溫度比老化時間更加敏感; cu - al金屬間化合物生長的激活能為97 . 1kj / mol ,老化后金屬間化合物呈層狀分佈,主要相為cual2和cu9al4 ; au - al金屬間化合物生長的激活能為40 . 1kj / mol ,主要相為au4al和au5al2 ,同時在界面周邊區域生成了au2al和aual ;老化過程中cu - al金屬間化合物生長速率比au - al金屬間化合物生長速率小103數量級;金絲球鍵合點200老化96小時出現了明顯的kirkendall空洞和裂紋,但銅絲球鍵合點200老化2900小時和250老化169小時都沒有形成空洞和裂紋。As the action of the solid bounding surface is strong enough, the surface polar ordering is almost independent of temperature and unaffected by the phase transitions in the bulk of the nlcs
當基板的表面作用較強時,界面第一分子層的極性序幾乎獨立於溫度,不受體液晶相變影響。If lines, called isanomals, are drawn on a world, joining places of equal thermal anomaly, an isanomalous map is the result
如果在一世界圖上把有相同溫度異常的地點以等異常(等距平)線畫出來,結果就得到一張氣溫異常圖。It is found that the pyroelectric coefficient and susceptibility increase with the decrease of the magnitude of the long - range interaction and the interfacial coupling when the temperature is lower than the phase transition temperature
我們發現,在相變溫度以下,隨著雙層薄膜的界面耦合的減弱,鐵電雙層薄膜的熱電系數和介電極化率增加。The temperature properties conditions of a traditional embankment and a ripped - rock embankment were contrasted by laboratory experiments
通過室內試驗研究了在相同溫度邊界條件下普通路基和拋石護坡路基的溫度分佈特徵,對比分析了兩種路基結構的溫度差異。Ii ) with the increase of the long - range interaction and the interfacial coupling, the pyroelectric coefficient before the phase transition temperature decreases
另外,隨著長程相互作用以及界面耦合強度的增強,相變溫度以下的熱電系數明顯減小。We find that i ) with the increase of the long - range interaction, the interfacial coupling and the thickness of one period, the phase transition temperature of the ferroelectric superlartice increases
我們發現,隨著長程相互作用和界面耦合作用的增強以及鐵電超晶格尺寸的增大,整個材料的相變溫度升高。And then, we specially study the effect of spin interaction ' s anisotropy on the critical temperature tc. from what we have observed we suggest that the critical temperatur tc grows as the anisotropy intensifies, while the system magnetization becomes weaker. the system becomes id if the anisotropy ratio r goes to infinity, and its equilibrium state keeps zero magnetization at any finite temperature, which confirm that there is no observable transition for id system
其後,著重研究了自旋相互作用的各向異性程度r對其臨界溫度t _ c的影響,總結出:隨著系統各向異性程度的增強,系統的臨界溫度向高溫轉移,而系統的磁化強度在不斷的減弱;當r趨近於無窮大時,系統演變為一維系統,系統在任何有限溫度下達到的平衡態始終保持磁化強度為零,這也證實了一維系統不發生相變The dc electric resistance test method for the critical temperature tc of a yba2cu3o7 - superconducting thin film
釔鋇銅氧123相超導薄膜臨界溫度tc的直流電阻試驗方法Some conclusions are drawn : the compressive strength and flexural strength of cubic specimens of steel fibre reinforced concrete increase with the dosage of steel fibre ; without change of dosage of steel fibre, the elastic modulus of steel fibre reinforced concrete increases with the concrete age ; steel fibre reinforced concrete is of obvious function in cracking resistance, but there is no obvious function in avoidance of cracking ; for both common concrete and steel fibre reinforced concrete, the variation of the internal temperature is different from that of the external temperature before the initial set of concrete, and the internal strain of both two kinds of concrete is great, and, in general, the variation of strain of common concrete is much greater than that of the steel fibre reinforced concrete ; after the initial set of concrete, the variation of the internal temperature of both two kinds of concrete is similar to that of the external temperature, and the variation of the internal strain is relatively small
結果表明:鋼纖維混凝土立方體的杭壓強度、抗彎強度隨著鋼纖維摻量的增加而增大;在鋼纖維摻量不變的情況下,鋼纖維混凝土的抗壓彈性模量會隨著齡期的增加而提高;鋼纖維對混凝土的阻裂作用很明顯,而對混凝土起裂的限製作用不明顯;在混凝土初凝之前,無論是普通混凝土還是鋼纖維混凝土,內部溫度的變化規律與外界溫度的變化規律不同,並且此階段混凝土內部應變的變幅很大,普通混凝土應變的變幅要比鋼纖維混凝土應變的變幅大得多;在混凝土初凝之後,無論是普通混凝土還是鋼纖維混凝土,內部溫度的變化規律與外界溫度的變化規律相同,並且此階段混凝土內部應變的變幅很小。Especially, the dft approach only needs a second order direct correlation function ( dcf ) of the coexistence bulk fluid as input, and is therefore applicable to the subcritical temperature region
特別是密度泛函近似僅僅需要共存體相流體的二階直接相關函數作為輸入,因而可以應用於超臨界與亞臨界溫度。Based on the thomas - fermi approximation, the finite number effect, along with dimensionality, has been discussed for a bose system and fermi system trapped in 3d, 2d, 1d anisotropic harmonic oscillator potential, without considering the inter - atom interaction. we indeed found the remarkable differences between the finite number case and the thermodynamical case, including dimensionality
基於thomas - fermi近似,在不考慮原子間相互作用的前提下,我們分別對處於三維、二維、一維諧振子勢場中的bose體系和fermi體系的熱力學性質作了詳細的討論,並得到了有限粒子數效應下熱力學量和臨界溫度的修正。By using x - ray diffraction ( xrd ) and vibrating - sample magnetometer ( vsm ) we find about 260 c is the critical temperature to complete the transformation of ordered anti - ferromagnetic fct phase
通過x光衍射和振動樣品磁強計測量我們發現260大體上仍然是形成反鐵磁相的臨界溫度。We find it has the same behavior as that of the continuous phase transition in bcs super - conduction theory : the nonzero ground state energy gap decreases to zero at the finite critical temperature tsp, and the specific heat takes on divergence
我們發現該相變同bcs理論的連續相變極為相似:基態非零的能隙在有限的臨界溫度t _ ( sp )處降低為零,而比熱呈現出趨于無窮的發散。分享友人