cold condition 中文意思是什麼

cold condition 解釋
低溫條件
  • cold : adj 1 冷,寒,凍;冰涼的。2 冷靜的,冷淡的,無情的,冷酷的;無趣味的;沉悶的;令人打冷顫的;掃興...
  • condition : n 1 狀態,狀況,情形;品質。2 〈pl 〉外界狀況,周圍情形。3 地位,身分。4 條件;【語法】條件子句。...
  1. Abstract : apply computer simulation to the distribution pattern of air - flow without considering the cold condition of the combustion and compare the flow patterns under different designed circumstances. and the effect of the design of the partition in the air way of the burner on the flow and mixture of gas and air is especially studied. the result shows that the design of partition plays a very important role in strengthening the mixture of gas and air, but increases the loss of the resistance in the air way and the total pressure of the air way in same working conditions needs increasing

    文摘:應用計算機模擬的方法,在不考慮燃燒的冷態情況下,研究了熱風爐燃燒室內的氣流分佈規律.在此基礎上,比較了2種不同設計方案的氣流流動特徵,尤其是研究了燃燒器空氣通道內阻流板的設置與否對空氣和煤氣的流動和混合的影響.結果表明,阻流板的設計對加強空氣和煤氣的混合有著極為重要的作用,同時也增加了空氣管道的阻力損失,在同樣的工況條件下需要提高管道系統的總壓力
  2. Under cold stress condition, cold hardiness of 12 vitis species including 45 lines ( cultivars ) was identified based on the leakage of electrolytes, water loss ratio and percentage of bud bursting on the stem and estimated the hardiness resistance of 12 v. species by the average of subordinate function ( sf )

    摘要在冷凍脅迫條件下,測定了葡萄屬12個種45個株系枝條的膜透性變化、含水量動態變化及萌芽能力3項指標,並以種內不同株系間3項指標的平均值綜合評價了12個種的抗寒性。
  3. Change of cold wave in dalian under global warming condition

    全球變暖背景下大連地區寒潮活動的氣候變化
  4. Before repairing, basing on the actual working condition, concerning the weldability, stress and deformation issues, the scheme of the cold welding technology whose essential being gtaw, low temperature preheating, postweld hammer the welded seam was established

    修理前,圍繞兼顧解決焊接性、應力和變形問題,結合實際施工條件制定了以手工鎢極氬弧焊、鎳基焊絲、焊前低溫預熱、焊后錘擊焊縫為要素的冷堆焊工藝。
  5. From 24th august of 2001 to 8th april of 2002, gala ( malus cv. gala ) and golden ( m. cv. golden delicious ), stored with three different models of cold storage, air condition and ultro - lower oxygen, were kindly provided in different sale time by inter - profession technique center of fruit and vegetable of france. the fruits were cut into three parts of the skin, pulp and core according to the human edible habit. the apple polyphenolics in the skin and pulp were determined by thiolysis hplc and unthiolysis hplc in institut national de la recherche agronomique, laboratoire de recherches cidricoles

    為建立能全面測定蘋果果實多酚的hplc方法,同時為蘋果營養標簽的制定提供不同銷售時期蘋果多酚含量的依據,指導貯藏方式和時期的選擇,明確的消費信息,自2001年8月24日至2002年5月15日,由法國果蔬跨行業技術中心提供普通冷藏、氣調和超低氧方式下,不同銷售時期的嘎拉( malus , cv . gala )和金冠( m . cv . goldendelicious )為試材,根據蘋果食用習慣將果實分為果皮、果肉和果心二部分,利用硫解hplc和非硫解hplc定量分析世界主栽品種金冠和嘎拉果皮和果肉多酚物質含量,並對不同貯藏方式下和同一貯藏方式下的不同商業貯藏時期多酚物質含量作了比較。
  6. ( 2 ) in the condition of quasi - quadrennial or quasi - biennial oscillation, monthly mean anomaly fields of slp, ssta, x and f have the most important effect on the linear response of nino3. 4, and there exists obvious spatial symmetry among cold and warm events of enso oscillation

    ( 2 )在準4a或準2a振蕩下, slp 、 ssta 、 _ x 、和_ y的月平均距平場對于nino3 . 4指數的線性響應佔主導地位, enso振蕩的冷暖事件間具有明顯的空間的對稱性。
  7. 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。
  8. According to finite element segmentation principle, by combining test with observation, the author has measured the air streamline and speed distribution of burning equipment in dally situation, which provides some guide for research of air field in hearth on cold and hot conditions. and the law is found of air speed distribution by measuring its speed and distribution of upper and lower deck on cold condition, thus it lays the foundation for analysis on hot condition. under four burning states, we measure the air speed in single, double - deck, and find out its corresponding distribution law

    5 .根據有限元分割原理布置測點,採用降溫方法,用k五江9106等儀器分別測出單雙爐排燃燒方式4種不同工況下,該燃燒設備爐膛內coz 、 02 、 co氣體濃度,並找到了隨爐膛高度方向及深度方向變化規律;從燃燒原理分析評價了2種燃燒方式爐膛內coz 、 02 、 co氣體濃度場分佈特點及相應燃料層內乾燥、干餾、氧化、還原、灰渣層厚度,肯定了雙層爐排燃燒方式爐膛中c02 、 02 、 co氣體濃度場分佈合理性,從燃燒理論找出了最佳濃度場分佈狀態及燃料層內各反應層厚度。
  9. One and regained the original condition, this winter does not calculate coldly, but added the frost the cold current actually to freeze in the heart which waved, from very red chinese red in has printed out the humanities world, “ liberated from the thought ” becomes 2008 work standard of conduct

    一且又恢復了原有的狀態,這個冬天不算寒冷,但加霜的寒流卻封凍了一顆舞動的心,從通紅的中國紅里印出了人文天下,從「思想上解放」成為2008的工作行為準則。
  10. Regional combinational law of the main agricultural meteorological disaster is summarized through analyse three main agricultural meteorological disaster and their types, characteristic and regional distribution in jilin province. and forecast the trend of drought, flood and low temperature cold damage. all the purpose is to provide the scientific basis for disaster prevention and control in accordance with local condition

    本文通過對吉林省三種主要農業氣象災害(乾旱、澇災、低溫冷害)的特徵分析,總結出吉林省主要農業氣象災害的空間組合規律,並對未來旱澇和低溫冷害的趨勢進行了預測,為吉林省制定減災、防災和救災的基本對策提供科學的依據。
  11. Finally, we can not use electric power but the engine of bus or subsidiary engine to drive air compressors of bus air conditions. because the change range of turnaround speed of engine is very wide, that brings difficulties in controlling the rate of flow of cold - producing medium. in the control of bus air - conditions, preventing evaporator from freezing to make the air - conditions work with high efficiency and controlling the temperature of railway carriage are the basic tasks in air - condition control

    與一般的建築空調相比,汽車空調的工作環境惡劣,條件差,控制難度要增加很多,主要體現在以下幾個方面:一是車外熱負荷變化大,難以確定控制參數;二是要求空調負荷大,而且要控制空調使其降溫迅速:三,不便於用電力作為動力源,必須用汽車發動機或輔助發動機來帶動壓縮機,當採用汽車發動機作為動力源時,由於汽車的車速變化大,發動機轉速的變化可從600r min到4000r min ,壓縮機轉速與發動機轉速成正比,其轉速變化高達7倍,給空調系統製冷劑流量控制帶來困難。
  12. Ethylene - propylene rubber insulated high - voltage shielded soft cable with cold - resistant sheath working condition for soft rubber mine cable is difficult, experiencing frequent curve smash of stone and coal pressure of different machine detonable gas, its structure has following features

    礦用橡軟電纜的工作條件十分苛刻,它在使用中要經受頻繁的彎曲,矸石和煤塊的沖砸,各種機械的刮碰和擠壓,以及礦井中有易爆的瓦斯氣體,因此礦用電纜的結構有如下特點:
  13. Adopt advanced technic of f4 whole cold - press to moulding and heat melt to process to make, let the lining no slot to link withal cheek by jowl connect with exterior metalpipes wall, in the state of allowwing to work keep to distort in - phase, thereby to enhance using - life of lining in the working status of opposite high temperature high vacuum, stop the ecumenic pad fluorin pipes using in condition of cold and heat alternate and minus tension to come into being the matter of padding fluorin floor shrivel to jam the flowway and plastic rip, its perfect choice use to transport medium of strong corrosive strong oxidation by modern chemical - industry corporation

    採用氟塑料f4整體冷壓成型及熱熔加工等先進技術製造,使內襯層無縫搭接且與外層金屬管壁緊密粘接,在允許工作狀態下能夠保持同步變形,從而提高了襯里層在相對高溫高真空度的工況下的使用壽命,杜絕了一般襯氟管在冷熱交替,及負壓的條件下使用易產生襯塑層鼓癟阻塞流道及塑料拉裂的問題,是現代化工企業在輸送強腐蝕強氧化介質理想的選擇。
  14. End usages industrial standard quality condition and hardness of cold rolled steel strip

    途工業標準品質加熱狀態及硬度表
  15. Using sawdust as raw material, under the condition of 2 % - 4 % opening rate of distributor, the effects of particle size and sawdust bed height on fluidization velocity in cold bubbling fluidized bed were determined

    摘要冷態條件下,在鼓泡流化床中採用木屑為原料,分佈板在2 % ~ 4 %不同開孔率的條件下,分別考察了原料粒徑和床層高度對木屑流化速度的影響。
  16. After thermodynamic calculation on several operation conditions of the furnace, cold - state flow and resistance mensuration, the combustion of the tubular - furnace hearth was changed into swirl and addition of radiate cylinder and oxygen content detection minish 1. 25 surplus air to less than 1. 15, improving the combustion condition and convection and radiate heat transfer efficacy, resuling in reducing the waste - gas temperature 45, decreasing exhaust gas loss, and saving fuel by 6 %

    摘要通過對加熱爐幾種工況進行熱力計算、冷態試驗的流場分佈及阻力測定和熱態試驗的爐膛溫度場分佈及管壁溫度等參數的測定,確定將管式加熱爐爐膛內直流燃燒改為旋流場燃燒和增加輻射筒,增設煙氣含氧量分析,可以將燃燒的過剩空氣系數從1 . 35減小到1 . 15以下,極好地改善爐膛內的燃燒狀況和對流輻射傳熱效果,從而降低排煙溫度45 ,減少加熱爐排煙損失,節約了煤氣量6 %以上。
  17. The blade inner channel cooling is a complex convection - conduction coupling problem. this thesis build a three - dimension. compressible turbulence model, and give a general solve method. with the geometrical model of the glossily rectangle straight channel, the rectangle straight channel with in - line arrays disturb plates, the rectangle straight channel with staggered arrays disturb plates, the rectangle straight channel with slant disturb plates, this thesis compute the flow and heat transfer condition when the cold air path though these channels, and gain the temperature field, pressure field, velocity filed, in addition. this thesis also analyze the influence of the different channel height, the different channel materials, the different channels, and gain the function relation between he nusselt number, friction factor and reynolds number. this thesis is emphasis on the new heat transfer enhancement structure, that is, disturb plates, with the comparison with the glossily channel and channel with pin fins, the heat transfer enhancement effect of the former is better, and the conclusion can be used in the design of aircraft blade

    葉片內部通道冷卻是一個復雜的對流?導熱耦合傳熱問題,本文在分析葉片內部通道冷卻的流動與傳熱情況的基礎上,建立了三維、可壓縮紊流的物理模型,得到了通用的求解辦法;利用不帶擾流片的矩形直通道、帶順排擾流片矩形直通道、帶叉排擾流片、帶傾斜擾流片的矩形直通道的幾何模型,計算了冷卻空氣通過這幾種通道時的流動與換熱情況,得到了各種不同情況下計算區域的溫度場、壓力場、速度場;在此基礎上分析了不同的通道高度、不同的葉片通道材質對葉片內部通道冷卻的影響,並整理得到了各種通道形式下,努謝爾數和阻力因子與雷諾數的函數關系;本文重點研究了新型的葉片內部通道冷卻強化傳熱措施?帶擾流片的內部冷卻通道的強化傳熱效果,通過與光滑矩形直通道、帶針肋通道的冷卻效果的比較,表明了這種新型鮚構的優勢,對于葉片內部通道冷卻結構的設計可以起到指導的作用。
  18. The requirements on insulation of labour protective clothing in cold condition

    勞動防護服防寒保暖要求
  19. Plant formation of twig graft in the same year in cold condition region

    寒地葡萄露地綠枝嫁接當年成苗技術
  20. Analysis of external aerodynamic field characteristics under cold condition for dual - passage swirl oil burner with intake swirler

    雙通道旋流式燃燒器出口冷態流場的流動特性分析
分享友人