表面溫差 的英文怎麼說

中文拼音 [biǎomiànwēnchā]
表面溫差 英文
apparent temperature difference
  • 表 : Ⅰ名詞1 （外面;外表） outside; surface; external 2 （中表親戚） the relationship between the child...
  • 面 : Ⅰ名詞1 （頭的前部; 臉） face 2 （物體的表面） surface; top 3 （外露的一層或正面） outside; the ri...
  • 溫 : Ⅰ形容詞（不冷不熱） warm; lukewarm; hot; gentle; mild Ⅱ名詞1 （溫度） temperature 2 （瘟） acute ...
  • 差 : 差Ⅰ名詞1 （不相同; 不相合） difference; dissimilarity 2 （差錯） mistake 3 [數學] （差數） differ...
  • 表面 : surface; superficies; boundary; face; rind; sheet; skin; outside; appearance
  • 溫差 : [物理學] difference in temperature; range of temperature
  1. The temperature of surface concrete varies with environmental temperature, but the conductibility of inner concrete is very poor. as a result, a quick decrease of environmental temperature will lead to large temperature gradient and then tensile stress develop soon in the thick direction, which will probably occur on the entire cross - section

    混凝土表面溫度隨外界溫度波動而波動，但內部的導溫性能很差，所以在外界溫度驟降時將引起很大的溫度梯度，從而在厚度方向上拉應力發展很快，這極易引起全斷面拉應力發生。
  2. The subject for different process technology and surface treatment of crank takes tracking checkout for its internal stress, analyses relation of jumping measurement, deformation measurement, recovery measurement and stress change, finds the reason and usual law of jumping overproof of crank. through cold pressure alignment, hot pressure alignment, support aged alignment and so on methods for 42crmo steel crank, the subject checks change of stress in the process of alignment and change of tissue and property after alignment for crank, and gives comprehensive evaluation for every alignment technology, then give safe and feasible technology parameter

    本課題主要是對不同加工工藝及不同表面處理過程的曲軸，對其內應力進行跟蹤檢測，分析各工藝過程中跳動量、變形量、恢復量與應力改變的關系，找出曲軸跳動量超差的原因和一般規律。通過對42crmo鋼曲軸進行「常溫壓力校直」 、 「熱壓力校直」 、 「支撐時效校直」等方法的校直，檢測校直過程中曲軸應力的變化及校直后組織和性能的改變，進而對各校直工藝進行綜合評價，給出安全可行的工藝參數。
  3. They have discovered that stars with different colours have different sizes, and that their surface tempera tures are also different

    他們發現不同顏色的星星大小也不同，表面溫度也有差異。
  4. Because of its good electrical conductivity, cfrc specimens will engender joule effect when a relatively low voltage was added to them. if there are flaws inside, the surface temperature distribution of the specimens should be uneven. therefore, infrared thermograph ndt can be conducted

    利用碳纖維混凝土良好的導電性，通過對碳纖維混凝土試件施加較低的電壓，使其產生焦耳效應，如果試件內部存在缺陷，將在表面產生溫度差，從而可以利用紅外熱像技術進行無損檢測。
  5. It shows that the injection quantity and the difference of temperature distribute as a parabola which is at the same load, and the minimum of the parabola corresponds to the optimum quantity of injection ( g ). under the condition that the quantity of injected mass, the air speed and the heat quantity is respectively g, v and q, the research demonstrates that the pentium iv chip ' s temperature variation can be controlled under 40c and work normally when the wind speed overpass 1. 5m / s and the power dissipation of the chip is 60w. otherwise this paper calculates the flooding limit of thermosiphon with several different methods

    對其充灌量、散熱量、電子元件（ cpu模擬晶元）表面與環境溫度之差及通風、流速的影響進行了系統的測試，發現充液量與溫差的關系在負荷不變時呈拋物線分佈，其極小值點對應的充液量是最佳充液量g 。在充液量為g時，對風速v 、散熱量q進行的研究表明，當風速超過1 . 5m / s后，奔騰晶元在60w發熱條件下晶元溫度小於40 ，能滿足長期正常工作。
  6. Analysis for the product hydration process of natural maintenance show tailings and quartz sand surface is advantage for the major influence of hydration outcome in jing pei generate " base role ", do not participate in chemical reaction basically, while steam temperature and pressure for hydration structure and form of low silicon - tailings aerocrete have obvious influence, it is why the compressive strength of two products have obvious difference

    對自然養護的製品水化過程分析的研究表明，尾礦和石英砂表面對於水化產物的主要影響是利於晶胚生成的「基底作用」 ，基本不參與化學反應，而蒸壓溫度和壓力對低硅尾礦加氣混凝土水化產物的結構、形態有著明顯的影響，導致兩種製品的抗壓強度有明顯差別。
  7. Aimed at tube curve by sun shining, it analyzes and calculates the instance of curve when tube up and down face have difference in temperature, and discourses upon it influenced degree to cannon firing accuracy. for hot spread asymmetry caused tube curve, it explains it ' s form cause. for irregularly hot stress acting tube curve, it stressfully analyzes effect of body tube wall thickness difference

    重點分析了身管熱彎曲產生機理，針對太陽照射下的身管彎曲，分析計算了身管上下表面存在溫度差時的彎曲情況，論述了其對火炮射擊精度的影響程度；對于散熱不均引起的身管彎曲說明了其形成原因；對于不規則熱應力作用下的身管彎曲重點分析了身管壁厚差的作用。
  8. The quality of buffer layer and thin films was analyzed by afm, xrd, rheed and xps respectively. the effect of the experimental parameters such as carbonization time, working pressure, c source gas flow rate, carbonization temperature, different carbonization gas and substrate on the carbonization process was studied firstly. it was observed that the size of particles was increased with the increase of carbonization time and the rms was opposite, but the trend was reduced while the carbonization time was long enough ; the size of particles was increased with the increase of working pressure too, and choosing a proper working pressure could get a smooth surface ; the size of particles was unobviously changed while the gas flow rate was low, but it was notability increased with the increase of gas flow rate while the gas flow rate was high enough, and a smooth surface could be also obtained by choosing a proper gas flow rate ; with the increase of carbonization temperature, the size of particles was increased, the rms is decreased and a good single - crystalline carbonization layer could be obtained, but a rough surface was formed at a excessive high temperature ; the rms of

    對于碳化工藝，側重研究了碳化時間、反應室氣壓、 c源氣體的流量、碳化溫度以及不同種類的c源氣體、基片取向等因素對碳化層質量的影響，研究結果表明:隨著碳化時間的增長，碳化層的晶粒尺寸隨之變大，表面粗糙度隨之降低，但當碳化到一定時間之後，碳化反應減緩，碳化層的晶粒尺寸以及表面粗糙度的變化幅度變小;碳化層的晶粒尺寸隨反應室氣壓的升高而變大，適中的反應室氣壓可得到表面比較平整的碳化層;在c源氣體的流量相對較小時，碳化層的晶粒尺寸隨氣體流量的變化不明顯，但當氣體流量增大到一定程度時，碳化層的晶粒尺寸隨氣體流量的增大而明顯變大，同時，適中的氣體流量得到的碳化層表面粗糙度較低;碳化溫度較低時，碳化層的晶粒取向不明顯，隨著碳化溫度的升高，碳化層的晶粒尺寸明顯變大，且有微弱的單晶取向出現，但取向較差，同時，適中的碳化溫度可得到表面平整的碳化層;相比于c _ 2h _ 2 ，以ch _ 4作為c源氣體時得到的碳化層表面平整得多;比起si （ 100 ） ，選用si （ 111 ）作為基片生長的碳化層的晶粒取向一致性明顯更好。
  9. The recombinants were constructed by transforming ppic9 a - xynb into p. pastoris gs115. the assay results revealed that the xylanase gene xynb was overexpressed and secreted effectually in p. pastoris. in 3l fermentor the expression level of xylanase xynba exceeded 1200iu / ml and the expressed xylanase had normal bioactivity. the molecule weight of xynba was determined as about 31kd which is higher than 23kd of original enzyme xynb from streptomyces olivaceoviridis a1. xynbb was gotten by deglycasylation of xynba, whose molecule weight returned to 23kd. we comparised the enzymatic properties of xynba expressed in p. pastoris, xynbb deglycasylated from xynba and xynb produced from streptomyces olivaceoviridis al : there was little difference among the three enzymes on optimal ph, the optimal ph of xynb and xynba were both 5. 2, the optimal ph of xynbb was 5. 0 ; the optimal temperature of xynb and xynba were both 60 c, while the optimal temperature of xynbb was 50 ? ; because of glycosylation the thermal stability of xynba was better than xynb and xynbb ; the specific activity of xynba and xynbb were 883. 88iu / mg and 832. 5hu / mg respectively, which were both lower than 2814. 45iu / mg of xynb ; the km values of xynb and xynba were similar to each other which were 21. 56 ( g / kg ) and 20. 87 ( g / kg ), while the km value of xynbb was 27. 10 ( g / kg ) ; the fmax of xynba and xynbb were 4568umol / mg. min and 5329umol / mg. min respectively which were lower than 27623 umol / mg. min of xynb ; additionally all of the three enzymes did not display cellulase activity. they all had well resistance to pepsion and trypsin, and were not sensitive to metal iron, surface active agent and chelating agent. the analysis of different xylans enzymatic hydrolysate revealed : by xynba, that the main constitutions of enzymatic hydrolysate of birch wood xylans were xylotriose and xyloquaiose, which account for 68. 43 % and 16. 50 % respectively, additionally there was 11. 79 % of xylobiose ; the main constitutions of enzymatic hydrolysate of corncobs xylans were xylobiose and xylotriose, which account for 81. 78 % and 11. 55 %. the result indicated that this xylanase was a kind of 1, 4 - b - d - xylanohydrolase and was fit to used in industrial procession of xylooligosacc harides

    進一步對xynba進行了脫糖基化處理得到xynbb ，其分子量恢復到23kd ，證明xynba是糖基化蛋白。通過對畢赤酵母重組表達的木聚糖酶xynba 、脫糖基化的木聚糖酶xynbb以及橄欖綠鏈黴菌a1所產原酶xynb之間酶學性質的比較發現：三種酶的最適ph差異不大， xynb和xynba均為5 . 2 ， xynbb為5 . 0 ； xynb和xynba的最適溫度均為60 ， xynbb降為50 ：在耐熱性上， xynba由於糖基化作用熱穩定性明顯高於未糖基化的xynb和xynbb ； xynba和xynbb的比活性分別為883 . 88iu mg和832 . 51iu mg ，明顯低於原酶的比活2814 . 45iu mg ； xynb和xynba的km值相當，分別為21 . 56 （ g kg ）和20 . 87 （ g kg ） ，而xynbb的km值較大為27 . 10 （ g kg ） ； xynba和xynbb的vmax相差不大，分別為4568 mol mg ? min和5329 mol mg ? min ，明顯低於xynb的27623 mol mg ? min此外三種酶均無纖維素酶活性，對胃蛋白酶和胰蛋白酶有很好的抗性，且對作用環境中的各種離子、表面活性劑、螯合劑不敏感。通過對不同木聚糖的酶解產物的糖份分析發現：以樺木木聚糖為底物時，酶解產物主要為木三糖和木四糖，含量分別為68 . 43和16 . 50 ，另外還含有11 . 79的木二糖；以玉米芯木聚糖為底物時，酶解產物主要為木二糖和木三糖，含量分別為81 . 78和11 . 55 。
  10. For 2h, the osc and special surface area decreased sharply, meaning a bad thermal stability. the osc and special surface area of the samples prepared by precipitation keep very well after aged, exhibiting a promising thermal resistance. while the samples prepared by dipping method have a much more stable osc at different temperature, that is, they have a good thermal stability

    研究表明，採用溶膠?凝膠法制備的樣品在老化前具有最大的儲氧量和比表面積，但經高溫老化后，其儲氧量急劇下降，表現出很差的抗高溫老化性能；採用沉澱法制備的樣品在老化前後，其儲氧量和比表面積降幅最小，有良好的高溫熱穩定性能；採用浸漬法制備的樣品不管老化與否，其儲氧量並不隨著儲氧溫度的改變而大起大落，表現出較好的熱穩定性。
  11. Heat fluxes estimated from radiative temperature by this model is more accurate than other regular corrective methods. two - layer model has been proposed for many years but was difficult to apply in remote sensing because component temperature were unavailable in traditional thermal sensors. a new airborne multi - angular thermal sensor system and retrieved soil and canopy temperatures were used to solve two - layer model, and the simulated heat fluxes show much better accuracy than the results from one - layer model especially above dry surfaces

    雙層模型雖然提出很多年了，但在應用中一直存在信息不足，求解困難的問題，本文用最新多角度熱紅外遙感數據? ? ? amtis系統反演的組分溫度，首次實現了雙層模型在遙感中的應用，結果表明，在輸入參數精度相近的情況下，雙層模型模擬的通量誤差遠小於單層模型，尤其在土壤乾旱，表面溫度較高的地表，雙層模型的理論優勢在計算中表現得更加突出。
  12. The result of numerical simulation shows that 51 temperature difference rises in the condition of existing descaling parameters, which is in accord with actually measured value

    數值計算結果表明，在現有除鱗條件下鋼坯上表面溫差可達51 ，該數值模擬結果與實測值基本吻合。
  13. And it can be concluded that cracks on top floor ' s walls are caused by the temperature difference between floor or wall ' s inner and outer surface and the temperature difference between floor and walls. if the floor and wall ' s thermal resistance is appropriate, the cracks issue on cscbb can be solved

    分析表明，砌體建築頂層墻體的裂縫主要是墻體、屋面板內外表面溫度差異和屋面板、墻體之間的溫度差異所致，因此如果墻體和屋面的保溫隔熱措施合適，砌體建築的溫度裂縫問題是可以解決的。
  14. The results show that at the initial stage, the temperature difference between internal and external wall surfaces is considerable and the temperature distribution is not uniform ; the initial stage belongs in dangerous time period because of the considerable temperature stresses

    試驗結果表明：加載初期儲罐內外表面溫差較大且分佈很不均勻，是罐壁產生較大溫度應力的危險時間段。
  15. 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。
  16. To make the thermal efficiency best, y, a, av / as should be : r : [ 60 - 75 ] a : [ 1 - 1. 5 ] av / as : [ 0. 8 - 1 ] in this paper, numerical model of solar radiant floor heating system is also built. the model of numerical model is solved by finite differance method. the smaller the distance to the tube is, the higher the temperature on the surface of the floor is

    地板表面相鄰兩管間水平方向的溫度分佈：距離加熱管越近，溫度越高；兩管中間處溫度最低；供回水溫差越小，地板表面溫度分佈越平緩；在供回水溫度和排管間距均一定的情況下，地板覆蓋層厚度越大，其溫度分佈越為平緩，對應的地板表面溫度分佈越均勻。
  17. Because mechanism modeling is very complex and the data for identification modeling ca n ' t often obtain easily, the writer present a thought to establish the mathematical model of transient temperature field of iron bodies. the thought is that using mechanism modeling to set up temperature prediction model for surface of iron bodies and using identification modeling to calculate temperature field of iron bodies

    本文針對機理建模的復雜性和辨識建模實驗數據獲得的困難性，提出了使用機理建模和辨識建模相結合的辦法建立加熱爐鋼坯溫度場數學模型思想，即，利用辨識建模的方法（使用動態bp網路建模）建立鋼坯表面溫度預報模型，在此基礎之上使用機理建模的方法（利用有限差分法建模方法）建立溫度場的預報模型。
  18. In this paper, decadal variability of tropic and north pacific ' s ssta and of precipitation in china, correlations between them and the possible mechanisms of the ssta decadal change compacting on the precipitation decadal change are analyzed by using ncep globe temperature, wind and height data ( 1948 - 2001 ), coads ssta data ( 1900 - 2001 ) and 147 stations " precipitation data in china. results show that : ( 1 ) mid - high latitude north pacific and tropic west pacific ssta have obvious decadal change, the prior ' s decadal change has great variance and the latter ' s has great contribution in total variance, the main eigenvectors " distribution are stable in eof of tropic and north pacific ssta ' s decadal variability, the key area of the first eigenvector allots in two sides of tropic pacific ; the second one ' s allots in mid - high latitude northwest pacific and low latitude mid - east pacific which vary contrary ; the third one ' s allots in middle north pacific

    本文利用ncep資料（ 1948 - 2001年）中的全球表面溫度場、風場、高度場資料， coads （ 1900 - 2001年）海表面溫度距平資料及中國147個站點1951 - 2001年共51年的降水資料，探討了熱帶及北太平洋ssta 、中國降水的年代際變化特徵，夏季熱帶及北太平洋ssta年代際變化與中國夏季降水年代際變化的耦合相互關系以及夏季熱帶及北太平洋ssta年代際變化影響中國夏季降水年代際變化的可能機制，結果表明： （ 1 ）北太平洋中高緯與熱帶西太平洋均有明顯的年代際變化，北太平洋中高緯年代際變化方差顯著，而熱帶西太平洋年代際變化方差貢獻顯著。
  19. In chapter 2, a new ir imaging model for city buildings has been established based on meteorology, heat transfer and infrared physics. we first analysis all kinds of main factors affecting the ir characteristic of city buildings, then by using the methods such as multi - layer finite difference the surface temperatures of building and other surrounding objects are acquired. combining the methods of classified modeling and special modeling we constitute the large - scale complex urban ir scene and render the ir images of urban scene at various time

    本文第二章從氣象學、傳熱學和紅外物理學原理出發，分析了影響城市建築物紅外特性的各種主要因素，採用多層有限差分等方法求解建築物及周圍物體的表面溫度，建立了城市建築物紅外成像模型；採用分類建模和特殊建模相結合的方法構建了大規模復雜城市場景的紅外模型，繪制出了不同時刻城市復雜場景紅外成像圖。
  20. It attaches great importance to optimizing control technics and saving energy. in the paper the writer use the mechanism modeling to set up the inner temperature field of the steel slabs, and use the identification modeling to calculate surface temperature field

    這對于生產工藝的最佳控制和節約能源具有重要意義，在本文中，作者有限差分法建立了鋼坯內部溫度場模型，通過神經網路建模方法建立了鋼坯表面溫度模型。
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