負溫度分佈 的英文怎麼說
中文拼音 [fùwēndùfēnbù]
負溫度分佈
英文
negative temperature distribution- 負 : Ⅰ名詞1 (負擔) burden; load 2 (虧損) loss 3 (失敗) defeat Ⅱ動詞1 [書面語] (背) carry on th...
- 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
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 溫度 : [物理學] temperature
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Through studying it is shown that in chagan sag, the geothermal gradients in the center are higher than those around the sag margin and major factors influencing the characteristics of temperature field distribution are the property of geotectogenesis and the differences in tectonic portion, lithology and underground water behaviour ; there are three types of mudstone compaction, i. e. normal compaction, undercompacition and overcomepaction ; there are two pressure systems in sandstone reservoirs, i. e. normal pressure and negative pressure systems and the strata ' s being uplifted and denuded is the key factor leading to the formation of the negative pressure system in reservoir ; and the distinctive temperature - pressure field characteristics in the sag are possessed of important petroleum geological significance in hydrocarbon source maturity, hydrocarbon generation, widening on oil and gas exploration domain and selecting exploration targets, etc
研究表明,查干凹陷中心的地溫梯度高於凹陷邊緣,大地構造性質及所處構造部位、巖性與地下水活動的差異是影響凹陷地溫場分佈特徵的主要因素;泥巖壓實存在正常壓實、欠壓實和過壓實三種類型,砂巖儲層段壓力類型可分為正常和負壓兩個系統,地層抬升剝蝕是導致儲層負壓系統形成的主導因素;凹陷獨特的溫壓場特徵對烴源巖成熟、油氣生成、油氣勘探領域的擴大及勘探方向的選擇等具有重要的油氣地質意義。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。On the surface of msta, there exists true dipole mode in the indian ocean, that ' s to say that if the temperature anomaly in the western indian ocean is positive, it is much likely that there is negative anomaly in the eastern indian ocean. dipole mode also exists in the pacific as that in the indian ocean. by virtue of the walker circulation and the similar circulation above the indian ocean, it is showed that the air - sea interaction events in the tropical pacific and the indian ocean develop with each other at the same time
由於在次表層海溫距平極值面上,熱帶西、東印度洋的海溫距平呈真正意義的偶極子模態,即當西印度洋海溫距平為正(負)時,東印度洋海溫距平為負(正) ,偶極子模態的海溫距平分佈在熱帶太平洋同樣存在,兩大洋海溫距平的偶極子模態間有密切的聯系,結合walker環流和印度洋上空的類似walker環流,進而指出熱帶印度洋和太平洋海氣相互作用事件是協調發展的。Then the air distribution system of the above - mentioned hotel ' s multi - function - hall was simulated with fidap, and the indoor temperature and velocity under the preliminary option was calculated. under the half - load condition of small air - supply quantity and slow velocity, finds that the problem has arisen, which the cold jets fall too fast in summer and the air distributes layer upon layer in winter
然後應用fidap對上述旅館的多功能廳空調氣流組織初步方案進行了數值模擬計算,預測了該初步方案的室內溫度、速度分佈,發現在送風量和送風速度小的半負荷工況下,會出現夏季送風時冷射流過早下降,冬季送風時氣流分層分佈的現象。Numerical simulation results indicate that, for low temperature dust particles, dust particles mainly exist in the area near the column center and their charge - number can be considered as a constant, while in the area where there are no dust particles, ion and electrons are in ambipolar diffusion ; for high temperature dust particles, both the distribution regions of dust particle and high ion density are expanded and dust charge - number is increasing with the distance from the center
計算結果表明:當塵埃粒子的溫度較低時,塵埃粒子主要集中在圓柱形放電器的中心很小的區域,塵埃粒子攜帶的電荷幾乎是一個常數,受塵埃粒子空間電荷的影響,離子在該區域的密度最高。在遠離中心區域,離子和電子呈現雙及擴散特點;當塵埃粒子的溫度較高時,塵埃粒子分佈的區域和高離子密度區域擴大,塵埃粒子離放電器中心越遠,攜帶的負電荷越多。Data used in this work are north pacific ssta, 160 stations precipitation of china, and ncep reanalysis data. main results are as follow : ( 1 ) it is found that a apparent transition of north pacific ssta in later 1970 ' s : eastern and middle - equatorial pacific ssta turns from cold to warm with area extending, and mid - latitude pacific ( west wind drift zone ) turns from warm to cold. during this transition of ssta, different characters also appear in el nino and la nina : before 1976, la nina happens more frequently, and its duration is longer, el nino zone develops from negative ssta in the early stage ; after 1976, el nino happens a little bit frequent and longer with more intensity than before, el nino zone develops from positive ssta in the early stage ; the course of ssta variation has an enso cycle of 2 - 6 years, annual oscillation of 8 - 9 years, and decadal variation of about 22 years
本文採用1950 - 1999年北太平洋海表溫度( sst ) 、中國160站夏季降水和ncep再分析的歐亞500hpa高度場等資料,利用eof 、 svd 、小波分析、合成分析和相關分析等方法,在分析北太平洋海溫時空分佈特徵的基礎上,著重探討了海溫異常及其年代際變化對我國東部降水的影響,並對降水、高度場和海溫三者之間的關系進行了分析,以試圖尋找三者異常之間可能的聯系,主要結論如下: ( 1 ) 1976年前後,北太平洋海溫經歷了一次明顯的轉變,赤道中、東太平洋厄爾尼諾海區由冷轉暖,暖水范圍增大,中緯度西風漂流區海溫由暖轉冷;在這樣的年代際背景下,厄爾尼諾、拉尼娜事件在不同的時期也有不同的特徵:在76年前,拉尼娜事件發生頻率高,持續時間長,事件起始於負海溫距平;而76年後,則是厄爾尼諾事件發生頻率略高,持續時間長,強度增大,事件起始於正海溫距平。This program can predict the wall temperature 、 internal wall heat tranfer coefficient 、 fluid temperature and entropy profile along the water wall. all of these provide an important foundation for designing this type of water wall structure to ensure the safety of the boiler operation. this hydrodynamic calculation program and the results can be used to analyze operation reliability and structure design of water wall system
利用所開發的程序對設計的超臨界cfb進行了計算,給出不同負荷下,水冷壁出口工質溫度分佈,水冷壁受熱面不同位置處的金屬壁溫、內壁放熱系數、流體溫度焓值分佈,以及不同管子的流動壓降等結果,為分析鍋爐工作可靠性及水冷壁系統的結構設計提供了重要依據。( 4 ) in summer, tropic west pacific ssta decadal change infect precipitation decadal change in south and north of changjiang river maybe by : positive ssta in tropic west pacific weaken the summer monsoon circulation, lead more precipitation in south of changjiang river and less precipitation in north of it, vice versa ; middle north pacific ssta decadal change infect precipitation decadal change in mid - down valley of changjiang river maybe by : when ssta is negative in middle north pacific, the height field in tropic rises obviously, the subtropical high strengthens and extends westward, the northern limit retreats southward, leads upper trough retreats northward and move eastward, meiyu front moves northward, then leads more precipitation in mid - down valley of changjiang river, vice versa ; middle northwest pacific - low latitude mid - east pacific infects precipitation in north china possibly by change the activity of northeast china cyclone
( 4 )熱帶西太平洋ssta年代際變化影響夏季中國長江南北降水年代際變化的可能機制是熱帶西太平洋海表溫度正(負)異常減弱(加強)東亞夏季風環流,從而使江南降水增加(減少) ,江北降水減少(增加) ;夏季中部北太平洋ssta年代際變化影響中國長江中下游地區夏季降水年代際變化的可能機制是中部北太平洋海表溫度負異常,將導致熱帶地區高度場普遍增高,副高加強西伸,副高北界南退,致使高空槽北縮東移,梅雨鋒西移北進,中國長江游中游、中卜游降水增多,反之亦反;夏季中高緯西北太平洋一低緯中東太平洋反向距平分佈結構影響中國東北降水的可能機制是低緯中東太平洋海表溫為負異常。Thermal stress control system actually gather the real - time data of unit sets , compute temperature fields , stress fields and maximum dangerous stress by the math modal , decide target and speedup rotation in every stage of startup process , and justify automatically to realize auto control a serial of processes of turbine , such as speedup , warm - up , connecting net , load changing , stop and unsteady condition etc , and improve automatic level of the unit sets. turbine auto startup ( tas ) system can automatically evaluate steam turbine ' s startup and load changing process according to thermal stress of
熱應力控制系統實際是對機組運行參數進行實時採集與監控,通過數學模型實時地計算高、中壓缸轉子的溫度場、應力場分佈,以及最危險熱應力,以確定啟動過程各階段的目標轉數及升速率,並進行自動調整,實現機組沖轉、升速、暖機、並網、升負荷、停機以及異常工況下的自動控制,大大提高了機組的自動化水平。By the industrial experiment, the distribution of continuous casting billet preheating temperature is measured, and the economic load range of reheating furnace is established
摘要在工業生?條件下測量了鑄坯加熱溫度分佈,工業試驗確定了加熱爐經濟負荷運行區。The daily change law of air ion is : the density of air ion in morning is the highest, it falls at noon or in the afternoon. while it raises again in the dusk. ( 2 ) in summer, the density of air anion in songgu and diaoqiao scene district is more than 30000 / cm3, while in yungu scene district and bailongtan, renzipu of wenquan scene district it is 10000 / cm3. in beihai it reachs 18000 / cm3, the density is not well - distributed in xihai, yupin and tianhai, it presents a kind of jumping change ; ( 3 ) the air anion density in winter is small than 1000 / cm3 only at yiranting, taoyuan square of wenquan and yupinglou
大氣離子日變化規律是:清晨最高,正午或午後降低,傍晚又比較高; ( 2 )夏季,松谷景區和釣橋景區的負離子濃度均在30000個cm ~ 3以上,而雲谷景區和溫泉景區的人字瀑和白龍潭測點負離子濃度在10000個cm ~ 3以上;北海景區負離子濃度在18000個cm ~ 3以上,西海、玉屏和天海三景區的負離子濃度分佈不均勻,呈現一種跳躍性變化; ( 3 )冬季負離子濃度只有溫泉景區的翼然亭、桃園廣場和玉屏樓的負離子濃度小於1000個cm ~ 3 ,其它地方的負離子濃度均大於1000個cm ~ 3 ; ( 4 )全風景區中以松谷和釣橋景區的負離子含量水平高,而且它們在春季負離子含量也超過8000個cm ~ 3 ,具有治病的功能;溫泉景區的人字瀑和白龍潭測點負離子濃度春季超過16000個cm ~ 3 ; ( 5 )整個風景區的負離子含量均大於正離子含量,用單極系數q和空氣離子評議系數ci評價,各景區的q 1 , ci 1 ,高於最佳空氣清潔度的指標。According to heat load source of die cavity, temperature distribution gradient equations and heat flux equations and the peak value equations of temperature load at die cavity surface have been obtained with research of temperature distribution and transfer laws of die surface by unsteady heat transfer theory
摘要根據鍛模型腔熱負荷來源,通過非穩態傳熱理論,分析研究了模具工作表面層的溫度分佈與傳遞規律,給出了型腔表面溫度分佈梯度和熱流密度公式,並給出了鍛模型腔表面的溫度負荷峰值的計算公式。It is concluded that the latter is 2. 05 ~ 2. 30 multiple than the former, and feng ' s formula approaches the practical diffusion coefficient of nthpc
通過xrd 、 sem 、 mip 、 bet激光粒度分佈儀等多種測試手段研究fd一1外加劑對負溫高性能棍凝土耐久性增強機理。Now if we suppose that the rated temperature limit of any chip were identical, confining the highest temperature in the rated limit is the most important, for this purpose i apply the principle of annealing algorithm to the optimization of place distribution design. under the unvaried condition of thermal dispersion, we can get the least temperature of the maximum value in some kind of chip array
為了使得電子元件最大溫度負荷在特定散熱狀態下達到最低(低於額定的最高溫度值) ,我們將模擬退火演算法的優化設計思想應用到電子元件陣列的布局優化中,使得在不改變外部散熱條件的情況下,僅僅通過電子元件位置分佈的改變就取得降低其最高工作溫度的效果。Abstract : based on the test results of frost micro pore structure density distribution of high strength concrete at minus temperat ure ( hscmt ), the frost damage fiber bundle model of hscmt was buitl. the purpose is to study frost damage factor of hscmt in the future, to deduce lost efficiency p robability of hscmt and prevent hscmt from frost in cold weather
文摘:根據負溫高強混凝土凍結顯微孔結構密度分佈結果,建立了凍結損傷纖維束模型,為進一步研究負溫高強混凝土的凍結損傷基因,推斷負溫高強混凝土的失效概率,及負溫高強混凝土受凍害的防止打下基礎。This platform is then used to study the temperature distribution and fluctuation of module ' s wall, the fluctuations of thermal control system, temperature and humidity in the cabin for the short and long cycles of the thermal environment changes. this thesis suggests a temperature control method for cooling loops, a temperature and humidity control method of the cabin air and simulates their effectiveness
用該平臺模擬了艙壁的溫度分佈及波動特點,研究了熱輻射環境的短周期和長周期波動及艙內熱負荷波動對熱控制系統及艙內空氣溫度、濕度造成的動態影響;給出了熱控迴路溫度控制方法,利用最佳去濕流量的概念提出了具有回熱流程的艙內空氣溫度、濕度控制方法,對控制效果進行了動態模擬。By close study on the average temperature rise, temperature distribution, and tune constant of the class f resin dry type power transformer ' s high voltage and low voltage winding under self - cooling and wind - cooling mode, we find out the connection between the variation of the load and the items, mentioned above. the results of the experiments can be reference to both thermal design optimization of dry type power transformer and the revision of current standards. meanwhile, we develop the software, which can predict the overload ability of the dry type power transformer
本文對f級樹脂澆注式乾式變壓器的高、低線圈的平均溫升,內部溫度分佈和時間常數在自冷和風冷,兩種冷卻方式下隨負載變化的規律進行了研究,得出了平均溫升、熱點溫升和時間常數隨負載變化的相互關系和有關計算用參數和公式,試驗結果可作為改進乾式電力變壓器的熱設計的依據和對現行標準進行修改的參考。Combined the real testing data, the paper developed a calculation program of water wall temperature and pressure drop for designed supercritical pressure cfb boiler with vertical water walls. the hydrodynamic calculation and safety checkout under five loads was carried out
結合實際運行的循環流化床鍋爐的熱態測試數據,開發了垂直水冷壁壁溫及水動力計算程序,根據爐膛熱負荷分佈規律,建立了膜式水冷壁熱流密度分佈函數。The results are helpful for the long - term stable operation of magnets in bepc. above of all, the temperature distribution along the scq magnets has been numerically simulated by computational flow dynamic software fluent
本文首先用計算流體力學軟體fluent數值模擬scq磁體低溫恆溫器的溫度分佈情況,得到該磁體的熱負荷,計算結果得到美國bnl國家實驗室提供數據的驗證。However, due to the supplying air volume change corresponding to cooling or heating load change, such phenomena as uneven temperature and velocity distribution often take place, which lead to bad indoor air distribution and thermo - environment
然而在變風量空調室內,因為送風量隨著室內負荷的變化而變化,經常存在溫度和速度分佈不均勻現象,導致室內不良的氣流組織和不舒適的熱環境。分享友人