熱的發生 的英文怎麼說
中文拼音 [rèdefāshēng]
熱的發生
英文
calorification-
A diurnal temperature variation of-4k is present at 50km because heating only occurs during the day.
由於加熱只發生在白天,因此50公里高度上的溫度日變化約為4k。Second, we discuss the influence of environmental referance potential temperture and thermal wind on mesoscale symmetric instability. we find the expression of disturbance stream function and criterion of symmetric instability by analytical method and conclude that change caused by environmental referance potential temperture with height and thermal wind make critical richardson number and disturbance critical half - wave length of symmetric instability larger, that is to say, they benefit the occurance of symmetric instability. third, we study nonlinear perturbation analysis of mesoscale vertical circulation and evolution equation by means of f - plane. non - hydrostatic balance and filiter model
第二,討論了環境位溫與熱成風因子對中尺度對稱不穩定的影響。運用解析的方法求出了擾動流函數的表達式和對稱不穩定的判據,發現環境參考位溫隨高度的變化與熱成風因子使得對稱不穩定臨界理查遜數及擾動的臨界半波長都變大,這有利於對稱不穩定的發生。第三,採用f平面、非靜力平衡、濾聲波模式,討論了中尺度垂直環流非線性攝動分析及演變方程。The diagnostic analysis for the sandstorm process on the base of height, temperature, pressure and wind etc output from the model shows that the upper cold trough, low - level wind shear, surface cold anticyclonic ridge, mesoscale cyclone and cold front are the main synoptic systems, surface cold anticyclonic ridge and cold front provide condition of wind force to occurrence of the sandstorm weather, the strong mesoscale cyclone before front makes pressure gradient before and after cold front obviously strengthen, moreover, and it increases obviously the temperature of the controlled area, as a result, the updraft movement caused by convergence before front strengthens
500hpa強鋒區、 700hpa切變和鋒前中尺度系統的強弱及位置變化是沙塵暴天氣發生發展到減弱的直接原因。地面冷高壓、地面氣旋及冷鋒是造成本次沙塵暴天氣的主要地面天氣系統。地面冷高壓及冷鋒為沙塵暴天氣的發生提供了風力條件,而中尺度氣旋使冷鋒前後氣壓梯度明顯增強外,又使所控制的區域增溫明顯,使鋒前輻合上升運動加強,為沙塵暴天氣的發生提供了熱、動力條件。This change makes the processing difficult. it is found that phbv ( poly ( hydroxybutyrate - co - valerate ) will still thermal degrade at the temperature much more lower than the acute thermal degradation temperature
通過研究發現, phbv (聚羥基丁酸-羥基戊酸酯)在其發生劇烈快速熱降解的溫度以下仍然有熱降解行為的發生。Thirdly, the paper discusses the driver of the peripheral equipment, how to port the uc / os - n and uclinux, h. 323 protocol and the application of the system in the digital speech classroom. also some software and hardware measure are adopted to enhance the system stability. at last, the shortcoming and the something to be improved are given. dsp can be used to realize real - time speech coding algorithm, and after porting ( ac / os - n, arm can manage the keyboard, the lcd and the ethernet peripheral etc. then the embedded network system with specific purpose can be used in others fields, such as pda, set of top, web tv, ect
在實際設計實現中,為提高系統軟、硬體整體穩定性和可靠性,使用了以下幾種方法: ( 1 )低電壓復位、抗電源抖動能力、增加時鐘監測電路、抗電磁干擾能力、散熱等技術; ( 2 )多層pcb設計,線路板結構緊湊,電源部分採用數字5v 、 3 . 3v 、 3v 、 1 . 8v和模擬5v多電源供電; ( 3 )選用表面貼和bga封裝的器件; ( 4 )按照軟體工程的要求進行系統分析,規劃系統框圖、流程分析、模塊劃分,減小了不同模塊的相關性,從而最大限度避免了錯誤的發生。In order to make clear the regulation of the combustion and the heat - transport process of fire - retardant treated wood, the combustion of untreated, fire - retardant solution soaked, and fire - proof paint coated white pine ( pinus bungeana ) and northeast china ash ( fraxinus mandshurica ) wood as well as the rising process of temperature at different sites in wood were measured in this study, taking a multi - function fire - proof experiment oven to simulate the typical process of fire
摘要為了弄清楚阻燃處理木材的燃燒及其熱傳導規律,該研究採用多功能耐火實驗爐模擬典型火災的發生過程,測定了未處理、阻燃劑水溶液浸漬處理、塗刷防火塗料白皮松和水曲柳木材的燃燒及木材內不同位置的升溫過程。A diurnal temperature variation of - 4k is present at 50km because heating only occurs during the day
由於加熱只發生在白天,因此50公里高度上的溫度日變化約為4k 。Based on a comprehensive review on research results of metamorphic rocks, the authors argue that the formation and exhumation of uhpm ultra - high pressure metamorphite experienced two stages, i. e., cold slab subduction and exhumation during 240200ma, and lithosphere delamination and thermal exhumation during 196163ma. the rapid thermal exhumation, co - occurred with extensive regional metamorphism and intermediate - acidic magmatism, implied that the subducted slabs had broken off and delaminated. the
通過全面評述該區變質巖研究成果,作者認為:超高壓變質巖的形成和剝露經歷了240200ma的板片冷俯沖冷折返和196163ma的巖石圈拆沉熱折返熱折返伴隨了廣泛而強烈的區域變質作用和中酸性巖漿活動,指示板片斷離拆沉的發生超高壓變質巖The analysis of the large - scale synoptic situation shows that strong precipitation is closely related to the explosion of monsoon and the intensification of cross - equatorial flow which bring a lot of vapor and meet with cold masses at the eastern of northwest district on 8th, june causing extremely heavy rainfall ; that subtropical high - level jet at 200hpa, subtropical high at 500hpa and low - level jet at 850hpa are the weather backgrounds favorable to strong precipitation ; that the pattern of eastern highs and western lows and the establishment of a low - level jet and the coupling between upper - and low - level patterns that determine that the rain occurred in the east of the northwest china ( on average, this is the rainy season for the south of china, but not for the northwest china ) ; that water vapor comes from southerly and easterly flow which converge at the eastern of northwest district with convergence mainly in lower levels and pbl ; that the high value of the whole - level apparent heat source < q1 > is near the area of large rainfall in the direction of northeasterly - southwesterly agreeable to shear line very well and the condensation latent heat releasing is main heat source with vertical advection item playing key role in q1 and q2 ; that there is a vertical secondary circulation crossing low - lever jet whose ascending branch is at the area of large rainfall ; that the construction of convection instability and conditional symmetry instability results that there is not only deep thermal instability, but also moisture influx and triggering mechanism of thermal instability causing strong torrential rain
作為對比,本文還對2002年6月24 - 25日發生在北京地區的強地形雨進行了分析,並討論陜南、北京地區兩地暴雨的異同點以及地形作用的共性和個性,為兩地暴雨預報提供有益的參考,得出了一些很有意義的結果: 1大尺度環流背景分析表明: ( 1 ) 「 02 . 6 」強降水與6月上旬越赤道氣流和季風爆發密切相關,攜帶大量水汽的偏南氣流與冷空氣於6月8日交匯在西北地區東部,導致了這次強降水的發生; ( 2 ) 200hpa的副熱帶西風急流、 500hpa副高以及850hpa的低空急流的配置非常有利於本文分析之陜西強降水的發展與維持。大尺度形勢分析表明,東高西低形勢場、低空急流的建立和高低空形勢的配置決定了這場降雨出現在西北地區東部。與暴雨區相聯系,存在一支橫越低空急流的經向垂直環流,暴雨區處于該垂直環流的上升支; ( 3 )偏南和偏東氣流水汽通道在西北地區東部交匯,水汽的輻合積聚主要在對流層低層和行星邊界層內完成; ( 4 )整層的視熱源< q _ 1 >高值區在暴雨區附近呈東北-西南向分佈,與切變線走向非常一致,降水產生的凝結潛熱釋放是強降水區大氣的主要熱源。The above analysis showed that this heavy rainfall event took on obvious meso - scale characters and was the combination of the three flows, so we can deduce : ( 1 ) surface southeasterly wind and topography may play the main role in this event ; ( 2 ) the easterly cold air rushing into the southern shaanxi province in the lower troposphere was strongly relative to the form of surface cold - front type of occlusion ; ( 3 ) there were two reasons for the secondary circulation ' s strengthen in the evening, one was the effect of a mountain - valley wind and the other may be latent heat leading to ascending motion ; ( 4 ) the shape of potential instability stratification corresponded well with the development of the warm - moisture advection ; and ( 5 ) the vapor providing essential thermodynamics was transported by a southwesterly low - level jet from the bay of bengal and the south china sea. furthermore, with the effect of terrain, the southern shaanxi province became the center of this extremely heavy rain process
中尺度結構分析表明,本次暴雨具有明顯的中尺度特徵,是由三支氣流共同作用的結果,分析發現( 1 )地面東南風和地形在這次大暴雨過程起主要作用; ( 2 )東路冷空氣主要是通過中低層侵入陜南地區的,並與地面冷式錮囚鋒的形成密不可分; ( 3 )夜博士論文:中尺度地形對陜南暴雨的影響研究間垂直次級環流發展加強可能有兩個原因,一個是由於地形山谷風的作用,另一個是降水的潛熱釋放激發了上升運動: ( 4 )位勢不穩定層結的形成與低層暖濕平流的發展有很好的對應關系; ( 5 )本次暴雨的水汽主要靠偏南風急流將孟加拉灣和中國南海的水汽輸送至西北地區東部,為暴雨的發生提供了必要熱力條件。Theoretical analysis indicates, the two technology helps reduce the concentration of current, lower the peak junction - temperature, and effectively avoid the appearance of devices " breakdown caused by heat and current
理論分析表明:上述兩種技術,有利於減小電流集中現象,降低器件峰值結溫,避免熱擊穿和二次擊穿的發生。Then i finish the analysis from three aspects, instruction of circuit, stress of surrounding, and tolerance, thus providing basis of design. the following designs are in progress from four aspects, which are circuit design, thermal design, derating using and screening. at last, i make the update generator in batch process, and collect and analyze reliability dates again
首先進行了與可靠性相關的數據收集與分析,對故障模式進行統計;然後從電路結構、環境應力及容差三個方面進行可靠性分析,從而為關鍵的可靠性設計提供了依據;接下來的可靠性設計,從電路設計、熱設計、降額使用、篩選四個方面逐一解決了可靠性分析階段發現的問題;最後,我將改良的發生器批量生產,並從中重新收集了可靠性數據進行計算,事實證明改良后高頻無極燈的平均壽命已達到6萬小時。The security that the boiler burns depends on the stability of flame mainly, in order to avoid the emergence of the explosive incident of the boiler, the coal powder must be burnt steadily in the stove, if it is unstable to burn, temperature field is not even in the stove, light to cause thermal efficiency of boiler reduce greatly, cause to waste, heavy and easy to is it produce stove serious consequence to present
鍋爐燃燒的安全性主要取決於火焰的穩定性,為了避免鍋爐爆炸事件的發生,爐內煤粉必須穩定燃燒,如果燃燒不穩定,爐內溫度場不均勻,輕則導致鍋爐的熱效率極大地降低,造成浪費,重則容易出現爆爐等嚴重後果。With the simulated results of the high resolution of space - time, from the aspects of thermodynamic, dynamical, moist available energy and moist potential vorticity, the direct effect mesoscale system was analyzed to this weather process, including mesoscale low level jet, mesoscale vortex etc. meanwhile, its features and physical mechanism of the formation and development are further discussed to seek for some basis for deeper research and storm rainfall forecast
運用高時空解析度的模式結果,從熱力、動力結構、濕有效能量和濕位渦等多個角度,著重分析討論了對這次天氣過程有直接影響的低空急流、中尺度低渦等中尺度系統,探討了影響這次天氣過程的中尺度系統的發生、發展特徵和物理機制,試圖為更進一步的研究和暴雨預報提供一些依據。5. in response to heat conduction test, air heat - insulation course is proved to work well, it reduces temperature difference of tank walls greatly and prevents cracks effectively
進行了罐體熱傳導試驗,證明了空氣隔熱層具有令人滿意的效果,大大降低了罐壁溫差,有效預防了溫度裂縫的發生。This plan avoids the phenomenon that it is too hot at the nearer of the heatsource but too coid at the end. most big heat - net use indirect heat - supply mode, when the fist - net can provide enough thermal energy, the regulating system can run dependably according the initial value
為解決好熱力站的爭熱現象,提出「熱量均攤」控制策略,避免了熱源近端太熱而末端太冷的現象的發生。大型熱網普遍採用間接供熱方式,當一次熱網供熱能力充足時,調節系統會根據設定值可靠運行。For instance, when body fluid is consumed because of excessive heat in the stomach, the large intestine is bound to have trouble in transportation, and, in consequence, constipation occurs
例如,當胃實熱證時,體液被消耗,大腸的傳輸功能也一定會出現問題而導致便秘的發生。People also have made a series of researching theoretical work on black hole ' s radiation etc., while relative issues need being studied furtherly. in this paper, researches on black hole ' s radiation effect and relative issues including the nonthermal effect of the black hole with mass multipole moment, there exists a new kind of dirac energy levels and the crossing region of dirac energy levels
其中,通過對一類具有質量多極矩的黑洞的非熱輻射效應的研究得到了一些有意義的新結果,發現了一類新的dirac能級和一類新的dirac能級交錯區,這種新的dirac能級交錯區的出現導致非熱輻射的發生,在一些方向上出現輻射能量很大的非熱輻射。The fifth is the observation in reality of a predicted link between increased sea - surface temperatures and the frequency of the most intense categories of hurricane, typhoon and tropical storm
第五,觀察資料顯示:海洋表面溫度的持續上升和最高級別颶風、臺風以及熱帶風暴的發生頻率之間存在著可預測關系。So, the only way to get rid of overinvestment is to turn the functions of local governments into reasonable ones as soon as possible, i. e., to make the scientific view of development come true
為此,只有盡快地轉變地方政府的職能,才能切實地落實科學發展觀,從根本上避免投資過熱的發生。分享友人