拉晶速度 的英文怎麼說

中文拼音 [lājīngsùdù]
拉晶速度 英文
pull rate
  • 拉 : 拉構詞成分。
  • 晶 : Ⅰ形容詞（光亮） brilliant; glittering Ⅱ名詞1. （水晶） quartz; （rock） crystal 2. （晶體） any crystalline substance
  • 速 : Ⅰ形容詞（迅速; 快） fast; rapid; quick; speedy Ⅱ名詞1 （速度） speed; velocity 2 （姓氏） a surna...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 速度 : 1. [物理學] velocity; speed; blast; bat 2. [音樂] tempo3. （快慢的程度） speed; rate; pace; tempo
  1. And apatite. by these analyses and comparison with general granite both in china and the world and with the granite in other au or cu belt in china, the characteristics of the granite in this area are concluded as follows. it belongs to magnetite - i or syntectic granite and has crust - mantle mixed characteristics ; it was formed mainly by crystallization differentiation of melting magma and multiphase varied intrusion ; the degree of differentiation evolvement is not high ; the granite and its enclaves p. re congenetic ; the range of temperature is about 500 - 700, the range of pressure is about 2. 50 gpa - 4. 35 gpa, and the range of oxygen fugacity ( lg fo2 ) is - 15. 53 - - 14. 00 ; most granite bodies formed before the collision of plates, and few formed after the collision of plates

    通過對測試數據的分析與綜合研究，並同中國和世界一般花崗巖類以及中國主要金、銅成礦巖體的花崗巖類進行對比，得出本區花崗巖類巖石具有以下特徵：屬磁鐵礦-型或同熔型花崗巖，其巖漿物質具殼幔混源特徵：主要由熔融態巖漿經結晶分異作用，通過多期變速上侵而形成；其分異演化程度較低；寄主巖基和包體具有同源性；巖石的形成溫度范圍約為500 - 700 ，壓力大約為2 . 50gpa - 4 . 35gpa ，氧逸度值1gfo _ 2為- 15 . 53 ? 14 . 00 ；該巖帶主要形成於板塊碰撞前消減的活動板塊邊緣期，為燕山至喜馬拉雅早期的大陸邊緣火山弧環境的產物。
  2. The results from x - ray diffraction demonstrated that pp / mmtome was a fully intercalated nanocomposite, pp / mmtom and pp / ommt were partly intercalated nanocomposites, but the intercalation effect of pp / mmtom nanocomposite was better ; the crystallization characteristics of pure pp and pp / mmt nanocomposites were investigated by dsc, waxd and pom. the result of these testing showed that mmt nano - layers acted as nucleating agents for the crystallization of pp, the addition of mmt had effect on the crystallization process, leading the increasing of crystallization temperature crystallization rate and crystallinity, but also the dimension of spherulite reduced. but the formation of pp crystal did n ' t change, the formation of pp crystal in three pp / mmt nanocomposites and pure pp were a - form on the whole ; influences of three sorts of mmt on mechanical properties of pp / mmt nanocomposites were studied, as a result, the addition of mmt comprehensively improved mechanical properties of pp : notched impact strength, tensile strength and flexural properties were all increasing, but the extent of increasing were n ' t large

    通過xrd分析比較這三種pp mmt納米復合材料微觀結構得到， pp mmt _ （ ome ）屬于完全插層， pp mmt _ （ om ）與pp ommt的插層程度相近，但是pp mmt _ （ om ）相對較好；通過對純pp和三種pp mmt納米復合材料的結晶性能研究發現，蒙脫土納米片層對pp結晶產生明顯的異相成核作用，結晶能力增強，使pp的結晶溫度和結晶速率提高，結晶度增加，球晶晶粒細化，但是沒有改變pp的結晶形態，三種pp mmt納米復合材料的結晶形態都屬于晶；通過對pp mmt納米復合材料的力學性能測試得知，蒙脫土的加入全面提高了pp的力學性能，缺口沖擊強度、拉伸強度和彎曲性能都有一定程度的提高，浙江{ _業大學碩十學位論文摘要但是提高幅度都不是很大，不過ommt 、 mmtom和mmtc ） me三種蒙脫土對pp力學性能有著不同的改性作用，其中pp / mmtom最好， pp月邊mto崛次之， pp / ommt最低，這種情況主要是由蒙脫土對pp結晶性能的影響和蒙脫土的納米改性作用造成的。
  3. The control system of mould level is crucial to improve the slab quality in the continuous casting process, pid controller is used in the traditional mould level control, and it has some defaults, such as : at the start - up or finishing period of casting or during the changeover of tundish, pid control has a bad effect, its overshoot is large and its transient time is long ; the erosion of the tundish stopper and the submersed nozzles lead to the accuracy of control become bad ; the abrupt falloff of block in the submersed nozzles makes the level acutely fluctuate, and pid control can not overcome the disturbances resulted from the change of casting speed

    結晶器液位控制系統是提高連鑄產品質量的關鍵環節，傳統的連鑄機液位控制方法採用常規的pid控制，存在如下不足：開始、結束澆注和換中間罐澆注時，控制效果差，超調量大，過渡時間長；塞棒頭和浸入式水口被腐蝕后引起控制精度差；浸入式水口堵塞物的突然脫落所引起的液位劇烈波動；無法克服拉速波動引起的擾動。
  4. Molten steel level in mould of continuous cast process and casting speed can directly effect temperature of molten steel in mould

    摘要結晶器液位和鑄坯拉速可直接影響結晶器內鋼液溫度。
  5. The tensile and compression experiment on bulk nanocrystalline ag prepared by igc method was carried on mt810 with different grain sizes and zwick 10tn2s machine at different strain rates under normal temperature respectively. the stain rate sensitivity m was found to be 0. 025, which was extremely lower than the ordinary values. also the work hardening exponent is very low

    本文從用惰性氣體蒸發冷凝和真空原位壓結法（ igc ）制備得到的直徑80mm ，厚度7 . 6mm的大尺寸納米晶金屬ag樣品上切割得到符合力學實驗要求的拉伸和壓縮試樣，在mts810和zwick精密力學測試機上分別精確測定了拉伸和壓縮應力?應變曲線與晶粒尺寸和應變速率的關系。
  6. According to numerical simulation and molten steel solidification mechanism, in the paper, the restrict relationship had been setup between casting speed and molten steel level and average mould tapping section thickness as well as its shell temperature at tapping spout

    本文基於數值模擬和鋼液凝固機理，建立起結晶器內鋼液液位和鑄坯拉速對其出鋼口處鋼液截面平均溫度和坯殼溫度的制約關系。
  7. We first expand the nonlinear temperature - dependent convective and radiative heat transfer coefficient about the ambient temperature by taylor - series method, and then the crystal temperature and the pull rate as well as the bulk melt temperature are determined by the perturbation techniques in a simply analytical manner

    分析之過程為首先將隨溫度變化之對流系數及輻射系數做泰勒級數展閉，再以攝動理論之技巧，同時求解晶圓棒之溫度、拉伸速度及溶解液之溫度。
  8. While polyester fiber is subject to different draw ratio and heating temperature during high speed spin - fling, its original molecular orientation and crystallinity of polyester fiber are changed

    摘要聚酯在高速紡絲過程中，施以不同的拉伸倍數與溫度，會造成纖維結晶度與取向度的變化，從而影響纖維的物理性能。
  9. When polyester fiber is subject to different draw ratio and heating temperature during high speed spinning, it will result in changes of the original molecular orientation and crystallinity of the fiber, thus affecting its physical properties

    摘要在高速紡絲過程中對聚酯施以不同的拉伸倍數與溫度，會造成纖維結晶度與取向度的變化，從而影響纖維的物理性能。
  10. Under the careful retrospection and analysis on the previous and recent experiments about mechanical behavior of nanocrystalline metals performed by almost main investigators, the dislocation and atomic diffusion is believed to contribute hardly to the deformation of nanocrystalline alloy, and a model based on thermal activation process was applied to fit the experimental data of nanocrystalline ag

    結果表明，納米晶金屬ag的不僅具有比粗晶ag高2 - 6倍的拉伸和壓縮強度，而且在大范性形變階段顯示了極低的加工硬化和應變速率敏感性。結合位錯理路和非晶合金形變特徵，提出納米晶金屬ag的塑性變形主要由於晶界滑移貢獻。
  11. From an examination of the tensile behavior of cz ly12 alloys under different temperature and strain rate, two kinds of deformation and intergranular fracture behaviors were observed that were opposite to the characteristic strain rate range in fine - grained superplasticity. the mechanisms are described as follows. the high ductility achieved at high strain rate is generally attributed to the dominant role of gbs accommodating mechanisms, which is considered as dislocation creep within grains controlled by subgrains

    研究選用自然時效淬火態的ly12鋁合金，進行了一系列不同溫度和應變速率下的單軸拉伸試驗， 480下，觀察到與傳統細晶超塑性特徵區間相反的行為：較高應變速率下，動態再結晶使晶粒細化，促進了晶界滑移，亞晶界控制的晶內位錯蠕變是晶界滑移的主要協調機制。
  12. Prepared technical parameters were optimized by l9 ( 34 ) experiment analysis. a unique method for cleaning and drying of substrate - cleaning used by scour, drying used by infrared light was fished out by large numbers of experiment. chemical mechnism of zno thin film prepared by sol - gel technique was discussed by dta for the first time. by the measurements of sem, xrd and uvs, the thin film was analysed. the result proved that the thin film with strongly preferred orientation of c - axis perpendicular to the substrate surface which surface was homogenous, dense and crackfree was the crystalline phase of hexagonal wurtzite. the thin film was composed of plentiful asteroidal crystal which crystal dimension approximately 10 30nm. the average transmittance of thin film in visible region was above 90 %. the results of measurements else also proved that the thickness of single dip - coating was 75 240nm, this films resistivity was found to be 3. 105 102 3. 96 105 ? cm. the thickness and resistivity of thin film influenced by dope - content, withdrawal speed, pre - heat - treatment, anealing were reseached respectively

    利用xrd 、 sem以及uvs光譜儀等分析方法對薄膜進行了研究，結果顯示，所制備的薄膜為六方纖鋅礦型結構，具有高c軸擇優取向性；表面均勻、緻密，薄膜材料由許多星狀晶粒組成，晶粒尺寸大約為10 - 30nm左右；薄膜可見光透過率平均可達90 % ；對薄膜厚度以及電學性能進行了測定后發現：單次鍍膜厚度約為75 - 240nm ， al ~ （ 3 + ）離子摻雜型氧化鋅薄膜的電阻率在3 . 015 102 - 3 . 96 103 ? cm范圍內；分別研究了摻雜濃度、提拉速度、預燒溫度、退火溫度等工藝參數對薄膜厚度和電阻率的影響。
  13. In this paper, germanium concentration in ge - dopped silicon bulk single crystals was measured by the methods of indution couple plasma ( icp ) direct reading spectrometer, sims, sem - edx, and the effective segregation coefficent of germanium under the situation of the changed speed was calculated, the result was 0. 62. according to the result, the curves of different ge concentrations were got

    本論文利用二次離子質譜（ sims ） 、化學分析法（電感耦合等離子體（ icp ）直讀光譜儀） 、掃描電鏡能譜儀（ sem - edx ）三種方法對不同摻鍺濃度的czsige單晶中鍺含量進行了測試，並對變速拉晶條件下鍺的有效分凝系數進行了計算，得出鍺的有效分凝系數（ ke ）為0 . 62 。
  14. Abstract : according to the site condition of the bisc, a mathematical model of two - dimensional unsteady solidification and heat transfer was established for the bloom caster in the mold. the mathematical model was solved with a finite difference method to characterize the temperature profiles and thickness of the solidified shell in the mold, the effects of casting speed on thickness of the solidified shell are also studied

    文摘:根據包鋼的現場條件，建立了大方坯連鑄機結晶器內二維非穩態凝固傳熱數學模型，採用有限差分法對數學模型求解，得出結晶器中鑄坯的溫度分佈規律和凝固坯殼生成規律，同時研究了拉坯速度對坯殼生成厚度的影響
  15. We article reviewed craftwork characteristic of growth yvo4 crystal by means of czochralski - cz. according to method of fimty - difference, we compiled field quantity estimate program ( fqep ) with vc + + that we can numerical simulate temperate - field and velocity - field while yvo4 dual - refractive optics crystal is growing

    本文對丘克拉斯基（ czochralskicz ）法生長yvo _ 4晶體的工藝特點進行了評述，根據有限差分的方法，用vc + +語言編寫了場量計算程序，對yvo _ 4雙折射光學晶體生長過程中的溫度場和速度場進行了數值模擬。
  16. The suitable temperature field, growth rate of the crystals and rotation rate were decided by a mount of experiment and theory analysis

    通過大量實驗並結合理論分析，設計了合適的溫場，適宜的提拉速度和旋轉速度等晶體生長的工藝參數。
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