溫度波動范圍 的英文怎麼說
中文拼音 [wēndùbōdòngfànwéi]
溫度波動范圍
英文
temperature fluctuation range- 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
- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 范 : 名詞1 [書面語] (模子) pattern; mould; matrix 2 (模範; 榜樣) model; example 3 (范圍) boundar...
- 圍 : Ⅰ動詞1 (四周攔擋起來 使裡外不通; 環繞) enclose; surround; corral 2 (繞; 裹) wrap Ⅱ名詞1 (四...
- 溫度 : [物理學] temperature
- 波動 : 1 (不穩定) undulate; fluctuate; unsettle; surge; rise and fall 2 [物理學] wave (motion); wave...
- 范圍 : scope; limits; extent; boundary; confines; range; range dimension; spectrum
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The variations of sea ice in the arctic ocean are simulated by using a improved high resolution hibler dynamic - thermodynamic sea ice model during 1979 - 1998. the model is driven by surface atmospheric and oceanic forcing consists of geostrophic winds, surface air temperature, specific humidity, and longwave and shortwave radiative fluxes provided by international arctic buoy program ( iabp ). the simulated results show that arctic sea ice have noticeable seasonal and annual variability
利用一個hibler海冰熱動力模式,在改進了其熱力部分和改變模擬范圍以及提高解析度的基礎上,以北極國際浮標計劃( iabp )提供的1979 - 1998年間逐日變化的日平均海平面氣溫場,濕度場,長短波輻射場,風場,洋流場,海洋熱流量場為強迫場,模擬了上述20年間北極海冰的時空演變。Research of thermal engineering performance test facilities for refrigerated containers - the test standards and methods are deeply analyzed. airtightness test, heat leakage test and performance test ( with refrigeration unit ) are done on the developed test facilities. the process of the experiment system, used hi measuring the thermal engineering properties of refrigerated containers, is thoroughly discussed
氣密性實驗結果顯示,箱內、外的溫度波動范圍處於15 25之間,箱內、外的壓差處於250 10pa范圍內,平均漏氣率為2 . 38 ( m / h ) ,遠遠低於極限值10 ( m / h ) ,被測試的冷藏集裝箱的氣密性符合規范要求。Thaw settlement cause negative friction. this paper base on the thought of " initiative cooling ", aim at three problems existing in common concrete pile used in frozen soil, a new type of pile is proposed to overcome the disadvantages of the classical pile used in frozen soil. pile body within active layer is fluted and refilled with porous materials such as gravels and ballasts, convection will be occur and then thermal exchange inside porous material in winter while only heat conduction exists in summer, as a result the soil around flutings will be cooled, so the top line of permafrost will be drive up
本文基於「主動冷卻」地基的思想,以及針對凍土地區普通混凝土樁存在的三大問題,提出了一種新型樁的設計思路,運用數值模擬試驗手段對其冷卻機理與加固機理進行了系統研究,即在凍融活動層的深度范圍內,在混凝土樁身的表面刻槽,修築完時槽內填充碎石、塊石等多孔介質,通過外界大氣溫度的自然波動下多孔介質在冬季時存在的對流換熱機制,而在夏季只存在熱傳導,來達到主動冷卻樁周凍土和抬升凍土上限的目的。In addition to the thermal reasons, the advection of arctic sea ice ( pacific section ), which is the result of dynamic factors, is closely related to the frequency shift that occurred in chukchi sea
楚科奇海海冰范圍的年際變化中存在由低頻向高頻變化的現象,該現象除了在局地氣溫變化中存在之外,在北冰洋區域風渦度、波弗特海緯向風、東西伯利亞海經向風等動力因素中也有所體現。The chip is mainly applied to the portable electronic products with the following features : 2. 7v to 5. 5v input voltage range ; the 1mhz fixed frequency ; - 40 to + 85 operating temperature ; two digital inputs control on / off and select amongst three levels of brightness ; thermal shutdown and under voltage shutdown protection, low 0. 1 a shutdown current ; soft - start limits inrush current
該晶元主要應用於便攜式電子產品,其輸入電壓范圍為2 . 7 5 . 5v ,工作頻率為固定的1mhz ,可大幅度降低輸入紋波和emi輻射,工作溫度范圍為- 40 + 85 ,可使用外部使能控制信號調節led亮度及控制晶元關斷與否,具有過溫保護和輸入欠壓關斷保護功能,完全關斷模式下關斷電流可低至0 . 1 a ,具有軟啟動功能以限制啟動時的浪涌電流。The space camera has a thin skin to the change of the circumstances, especially to the change of temperature
空間相機在軌工作環境溫度變化范圍很大,相機對環境變化,特別是溫度波動的影響比較敏感。The paper is on how to set up lab platform of vapour spewing to uppercooling water surface to coagulate directly and to observe and analyse which vapour coagulate on the water surface, the results enable people to know the security system of nuclear power. the range of the pressure parameters of prz is from 0. 2mpa to 0. 6mpa, and the range of the initial temperature parameters of cmt is from 23. 5 to 78. 5, all of the testing points are 30 and there are fifty thousand testing data. many results of vapour spewing to uppercooling water surface vertically to coagulate can get. for example : coagulating can make the water of cmt surge forcefully when vapour spews to uppercooling water surface, too many vapour - bubbles come into being and strike the water of cmt owing to rupture continually, all these will strengthen the surge because of the vapour pressure of cmt
實驗中prz飽和蒸汽壓力變化范圍為: 0 . 2mpa - 0 . 6mpa , cmt中水初始溫度變化范圍: 23 . 5 - 78 . 5 ,實驗中測試工況30個左右,實驗測試數據50萬余個,得出了很多與非能動安全系統相關的蒸汽垂直噴向過冷水表面凝結時的結論:蒸汽垂直噴入過冷水表面凝結時會造成cmt中液面的強烈波動和振蕩,產生大量蒸汽汽泡,汽泡不斷破裂對cmt中液體帶來很大沖擊,勢必引起cmt中液體的振蕩,造成cmt汽空間汽壓不均勻,加強cmt液體的振蕩和波動。( 4 ) the feasibility of applying of brightness temperature approach method and continuous measurement method in practical application are verified. the results of 8 - wavelength thermometer, which are based on the brightness temperature model, verify that continuous measurement method based on brightness temperature is a practical data processing method when the range of target ’ s emissivity is known. the
分別利用亮溫逼近法和基於亮溫模型的連續測量法對基於亮度溫度模型的八波長實測數據進行模擬,利用基於參考模型的連續測量法對固體火箭發動機羽焰溫度實測數據進行模擬,其結果驗證了連續測量法在工程實際中應用的可能性,並進一步驗證了當所給發射率范圍越接近實際物體發射率,計算結果越接近真溫。When the substrate is fr4, the surface shear stress and normal stress difference is at a low level and near zero during curing process and build up during cooling down because of the mismatch of ctes of silicon and substrate
對于fr4基板,在固化過程中,晶元表面的剪切應力和正應力的值很小,其數值在原點上下很窄的范圍內波動。在降溫過程中,熱膨脹系數的失配隨著溫度的降低而越來越顯著,引起應力的積聚。分享友人