溫度梯度 的英文怎麼說

中文拼音 [wēn]
溫度梯度 英文
gradient of temperature
  • : Ⅰ形容詞(不冷不熱) warm; lukewarm; hot; gentle; mild Ⅱ名詞1 (溫度) temperature 2 (瘟) acute ...
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  • : Ⅰ名詞1 (梯子; 樓梯) ladder; stairs; steps; staircase 2 (姓氏) a surname Ⅱ形容詞(形狀像樓梯的...
  • 溫度 : [物理學] temperature
  1. Here is the result, during yvo4 odd - crystal growing under cz method, while fusibility contain nature - convection by temp - grads and impose - convection by crystal - circumvolve, which make it difficult to growth large dimension odd - crystal

    數值模擬的結果表明,在cz法生長yvo _ 4單晶過程中,由於熔體中存在著因溫度梯度引起的自然對流和晶體旋轉引起的強迫對流,使生長大尺寸單晶有著一定的困難。
  2. In this paper, the analytical method of linear stability has been applied to establish the marginal stability criterion of natural convection in porous medium, after considering the action of gravity, centrifugal and coriolis forces together in centrifugal force field

    理論研究的結果表明,當離心力與溫度梯度同方向時,只要滿足ra > 7 . 81 2或ra0 > 4 2 ,多孔介質中即可發生離心力、重力與哥氏力共同驅動的自然對流。
  3. The combined effect of uplift and denudation upon the temperature gradient can be obtained by formula (3. 86).

    抬升和剝蝕對溫度梯度的聯合效應可以根據公式(386)進行估定。
  4. The combined effect of uplift and denudation upon the temperature gradient can be obtained by formula ( 3. 86 )

    抬升和剝蝕對溫度梯度的聯合效應可以根據公式( 3 86 )進行估定。
  5. Differential rates resulting from temperature gradients in the material introduce stresses which can't be removed by later heat treatment.

    由材料內部的溫度梯度引起的速差將導致產生應力,這種應力是無法用以後的熱處理來消除的。
  6. Examples of interactions are mass transfer caused by temperature gradient.

    溫度梯度所引起的質量轉移是交叉作用的例子。
  7. Increscent weight of oxidation, graphic and micrographic were explored, meanwhile, the mechanism of anti - erosion and wear - resistant of new coating material are also studied. at last, a program applied to calculate the temperature distribution and heat transmission between water wall tubes with sprayed coatings and metal anti - erosion tile was developed by use of visual basic

    文中最後採用vb6語言計算機編程,計算了不同材料塗層對鍋爐水冷壁管的傳熱效果及徑向溫度梯度的影響,同時與加裝了防護瓦和未加任何防護的水冷壁管進行了比較。
  8. Lapse rate - the rate at which the temperature falls with altitude gain. a healthy lapse rate indicates an unstable day with good potential for soaring flights

    溫度梯度空氣隨海拔高增加而下降的固定比率。一個正常的溫度梯度表現,暗示一個不穩定大氣條件,有令人滿意盤旋飛翔可能。
  9. Testing method for heat resistance under temperature gradient

    溫度梯度下耐熱性的測量方法
  10. Microstructure and its scales of cu - 70 sn peritectic alloy under high - temperature gradient directional solidification

    包晶合金高溫度梯度定向凝固的組織及其尺
  11. To minimise the temperature gradient across the sample, the light aperture in the block is only 2. 5mm ?

    為了減小樣品上的溫度梯度,臺體上的光孔直徑只有2 . 5毫米。
  12. In addition, similar analyses on soil water and salt characteristics in insufficient trickle irrigation were conducted. all these laid foundation for studying and analyzing the same problems in temperature fields

    此外,對滴灌非充分供水入滲過程的水鹽變化規律做了類似的分析,從而為考慮溫度梯度作用下的同類問題研究與分析打下基礎。
  13. Longitudinal and transverse metallographic specimens for microscopic observation were prepared using conventional techniques. the morphology evolution was observed with neophot - 1 metaloscope and amray100b sem

    利用熱電偶測方法,對定向凝固過程中固液界面溫度梯度及影響因素進行測試和分析。
  14. There is an old saying in our field - " no dam is not crackable ". the crack is mainly because of the bad dilation after " alkali - aggregate reaction ", the temperature traverse inside and outside the concrete with the happening of heat evolution and the shrink of volume due to the cooling of concrete

    水電行業有句「無壩不裂」的俗話,產生裂縫的原因主要有「堿集料反應」造成的破壞性膨脹,水泥水化過程中放出的熱量出現的混凝土內外溫度梯度和水泥石硬化後由於後期降發生的體積收縮等造成。
  15. The conclusions obtained as follows : firstly, the structure ' s free frequency is decreased by the reduction of the mechanical property of the material with the increasing temperature ; secondly the thermal stress produced by the temperature gradient may decrease or enlarge the structures natural frequency ; thirdly, the variety of natural frequency of the alloy structures effected by the heat effect apparently higher than that of the composite material structures

    最後,採用ansys程序分析了合金材料、復合材料的板、彈體結構的熱振動特性。在不同的熱載條件下,取得以下結論:升導致的材料機械性能下降都會降低結構固有頻率,而溫度梯度產生的熱應力可能降低也可能提高結構的固有頻率;金屬材料結構的固有頻率受的影響要比復合材料結構的固有頻率受的影響要明顯。
  16. Abstract : refering to different rules on temperature gradient in five specifications, the paper calculates transverse stresses of temperature c hange for concrete box girders of three bridge types, as well as makes an analysi s of temperature sensitivity. the results indicate that temperature effect is one of important reasons causing the bridge deck crack

    文摘:參照4個國家5種規范關于溫度梯度的不同規定,對3種不同橋型的砼箱梁的變橫向應力作了計算和比較,並對敏感性作了分析,結論表明效應是橋面開裂的重要原因之一
  17. In the summer stratified water column, the deeper the maximum depth of food distribution is, the stronger the dvm is performed ; the increase of the gradient of temperature in the thermocline layer can decrease the magnitude of the dvm and form the thermal barricade to the copepod ; the effects of the predation pressure on dvm is complex. on the one hand, the variations in the distribution depth of the predation pressure vs. the thermocline layer or the depth of the maximum food can modify the dvm patterns of the copepod. on the other hand, different predation pressure induces different dvm patterns

    在夏季分層水體中,食物的最大分佈深越大,動物向下遷移的幅也越大;躍層的溫度梯度增大可以減小動物遷移的幅,成為橈足類垂直遷移的屏障;捕食壓力對垂直遷移的影響較復雜,一方面,捕食壓力的分佈深躍層或食物峰值的相對位置的變化能夠改變橈足類垂直遷移的模式,另一方面,捕食壓力強不同,橈足類垂直遷移的幅也不同,捕食壓力越大,遷移的幅越大,當捕食壓力增加到一定程,橈足類停止向上的遷移,大部分時間呆在水體深層,可能進入捕食壓力引起的「滯育」狀態。
  18. Compress disk is the very important rotational component in the areoengine. when the compress disk is working, the grads of temperature and stress between the rim and the center of the disk are great. in order to raise the thrust - weight ratio of the disk and reduce oil consumption. the best prospective way is the dual alloys disk used

    壓氣機盤是航空發動機上一個很重要的轉動部件,壓氣機盤工作時,輪緣和輪轂溫度梯度和應力較大,為了提高飛機發動機推重比、減低耗油量,要求壓氣機盤的工作、使用性能更高,雙合金盤製造是最有發展前景的技術。
  19. But ever finer control of the temperature gradient around the seed is eliminating the telltale imperfections that jewelers could once detect with a magnifying glass

    然而,一種能更精細控制晶種周圍溫度梯度的方法,正逐漸去除這種遮掩不了的瑕疵。
  20. 2 ). it has a great temperature gradient along the height in hot and cold plenums of cefr in steady state. the buoyancy force cannot be ignored because the flow velocity is low in the whole flow regions

    冷熱鈉池在穩態工況下沿高方向有很大的溫度梯度,整個流動區域內的流速較低,浮升力的影響不可忽略; 3
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