晶粒值 的英文怎麼說

中文拼音 [jīnglìzhí]
晶粒值 英文
seed value
  • 晶 : Ⅰ形容詞（光亮） brilliant; glittering Ⅱ名詞1. （水晶） quartz; （rock） crystal 2. （晶體） any crystalline substance
  • 粒 : Ⅰ名 （小圓珠形或小碎塊形物） small particles; grain; granule; pellet Ⅱ量詞（用於粒狀物）
  1. The influence of the cloud droplet spectrum character and the spectrum growth and change is considered, which does not use a cut - off value for conversion from cloud water into rain water process. in the continuous coalescence equation, the particles fall velocity difference is not moved out from the integral, but is integrated in the equation as the function of diameter d to avoid the error of using particles average fall velocity. in the new scheme, generation rate of graupel due to the collection of snow by graupel and the collection of cloud ice by graupel are included

    雲中凝結核ccn的數濃度採用超幾何函數表示；雲水向雨水的自動轉換過程採用grabowski （ 1999 ）的公式，考慮了雲滴譜的特徵和發展變化對該過程的影響，而不是採用原方案給定閾值的方法描述該過程；對連續碰並方程不再將粒子落速差作為常量提出積分號外，而是直接作為粒子直徑函數在積分號內求解，這樣處理可以迴避使用粒子群的平均落速帶來的誤差；增加了霰和雪、霰和冰晶的碰並微物理過程。
  2. Using the 1ap 3 - d hailstorm numerical model, we analyze influence of variation on rainfall amount, hail fallout amount, dynamical process of cloud, microphysical process, mechanism of hail suppression with seeding, and seeding outcome. besides, we use those study outcomes and bring forward some advice about using and improving model. we simulate a hailstorm occurred in nanjing county and analyze influence of raindrop, ice crystal, graupel size distribution on outcome of model

    本文利用中國科學院大氣物理研究所的三維冰雹雲催化數值模式，通過對冰雹雲的模擬和對譜參數的數值試驗結果，分析了冰雹雲中粒子譜形的變化，對雲和降水過程的影響，其中包括雨滴譜、冰晶譜、霰譜的形狀參數對自然雲的發展過程、降雨降雹、雲中微物理過程、霰以及冰雹的形成機制的影響。
  3. We have found the best ways to optimize the growth of quality zno films and got highly c - axis oriented zno films. the microstructures of the films were observed by afm. after analyzing the crystal structures, the crystal tropism and the surface conformation flatness, we found the result that the substrate temperature of 400 ? is ideal for silicon substrates, which conforms to the result of the structure analyse. by analyzing the magnetism of zno films, we found that the films appropriately doped with fe, co ions have magnetism at room temperature and their magnetism can be improved by doping other little cu ion, but it is not certain that the content of cu is higher, the film has more magnetism, so it has the best content of cu. moreover, the films which have best crystal structures may not have the best magnetism

    我們採用原子力顯微鏡（ afm ）方法觀察薄膜的顯微結構，利用所得的圖象信息對薄膜的晶粒結構、晶粒取向、表面形態平整度等進行分析討論，認為400的襯底溫度對硅襯底薄膜是合適的，與結構分析的結果一致。通過對薄膜磁性能的分析和研究，我們得出一些有意義的結果：適量過渡金屬離子fe 、 co摻雜的zno薄膜，在室溫下具有鐵磁性，而在此基礎上摻入少量的cu離子能改善薄膜的磁性。摻cu量有個最佳值，而且結構最好的薄膜磁性不一定最好。
  4. Numerical simulation of austenite grain size during hot deformation of q345 steel

    345鋼熱變形奧氏體晶粒尺寸的數值模擬
  5. ( 3 ) solid solution with good solid solution ability were acquired by solid soluting treatment for 25 min at 540 c, 560 c and 580 c, respectively, after that water quenching was carried on. in the case of 580 c, the coarseness of the precipitation at grain boundaries did not happen, equi - part 120 did not emerge at the intersection of three grains, these suggest that over sintering did not happen

    6013合金實驗熱軋板材經固溶處理後於180時效4小時達到峰值硬度； （ 3 ） 540 、 560 、和580固溶處理25min 、水淬，得到了固溶充分的固溶體， 580的情況下晶界析出相未粗化、三晶粒交界處的角度未出現等分的120 ，表明未發生過燒。
  6. The x - ray diffraction, scanning electronic microscope and the squid were used to characterize the properties of the mgb2 core in mgb2 / fe tapes and wires. the effect of the proportion of mg, b and sic as well as the sintering parameters on the phase formation, microstructure and the critical current densities of mgb2 / fe tapes and wires was discussed in details. the results showed that the high purity of mgb2 core could be synthesized by both the traditional vacuum sintering and the sparking plasma sintering and the vacuum sintering environment restrained the oxidation of mg effectively

    相對于傳統真空燒結， sps燒結方式成相速度快、樣品晶粒細小均勻、 mgb2超導芯緻密性好、晶間連接優良，因而sps燒結樣品的臨界電流密度明顯高於傳統真空燒結樣品，其中未摻雜的帶材樣品經過sps800 ， 15分鐘燒結后，自場下的臨界電流密度jc值在10k時達到8 . 64 105a / cm2 ，而且隨著測量溫度和外加磁場的增加， sps燒結樣品的臨界電流密度下降率比傳統真空燒結樣品緩慢，在20k ，自場時為5 . 97 105a / cm2 ， 20k ， 3t時，臨界電流密度值仍大於104a / cm2 。
  7. Determined by dsc. whereafter, the surface micro - morphology of both sides of tini sma thin film deposited on glass was investigated by atomic force microscope ( afm ), and the difference of morphology between the two sides is observed. it has been shown that, in the growing surface of sputtered tini film, the trend of grain to accumulating along the normal direction like a column is clearly observed, and the grain is very loose which resulted in more microcavities, but in the surface facing to glass substrate, grain is so compact that there are hardly microcavities

    通過濺射法，在玻璃襯底上淀積了tini薄膜，並在600進行了真空退火， dsc法測得其馬氏體逆相變峰值溫度為75 ，利用原子力顯微鏡，對玻璃基tini形狀記憶合金薄膜的襯底面與生長面進行了表面微觀形貌分析，發現：生長面晶粒呈現出沿薄膜法線方向柱狀堆積的趨勢，晶粒緻密性差，微孔洞多；而襯底面晶粒緻密，幾乎沒有微孔洞存在。
  8. The highest jc of 8. 64 105a / cm2 at 10k, 0t was obtained in the un - doped mgb2 / fe tape sintered at 800 for 15 minutes by sps. it is worthwhile to note that the jc value was decreased much slowly in this sample with the increase of the testing temperature and magnetic field. for example, the jc was 5. 97 105a / cm2 at 20k, 0t, and at 20k, 3t the jc value was

    從目前試驗結果看，摻雜量為5mol %時線材性能較好，樣品的臨界電流密度在自場下達到6 105a / cm2 ，並且sic摻雜改進了樣品在高場下的jc值，在4t時，摻雜線材樣品的臨界電流密度大大超過未摻雜樣品，這是由於sic的摻入生成了細小均勻的mg2si ，分佈在晶粒
  9. The parameters of impregnation are as follows : ph is about 3, the range of temperature is from 20 to 45, and the time is about 2 to 6 hours. after the necessary treatments, zirconia cloths had the optimal strength when the diameters of zirconia fibers were controlled in 4um to 7um, and the sizes of zirconia grains were in 50nm to 100nm. the affec - ting factors were discussed and the liner regression analysis of the cloths was made, from w hich they show that the diameters and grain sizes have the significant influences on zirconia cloths. the obtained zirconia cloths have been accepted for use in nickel - hydrogen batteries by practical use

    研究結果表明：粘膠類纖維布最適合制備氧化鋯纖維布的前軀體；鋯液濃度以飽和溶液為宜；浸漬工藝參數為ph值3左右，溫度20 45 ，時間2 6小時；多餘鋯鹽的去除、浸鋯液后纖維布的整平處理及平燒施應力燒成有利於氧化鋯纖維布的柔軟及平整; 200 600燒成溫度段應緩慢燒成，控制氧化鋯纖維直徑在4 7 m ，氧化鋯晶粒尺寸50 100nm時氧化鋯纖維布的強度最好。
  10. The fining grains of al - l % si could accelerate the fatigue crack propagation from the near threshold zone to paris zone

    隨著疲勞裂紋擴展速率從近門檻值區向paris區過渡，細小的a （ a1 ）晶粒會加速疲勞裂紋的擴展。
  11. In this dissertation, investigations were performed aiming at metallic polycrystals with medium grain size. numerical simulations and uniaxial tension tests were carried out to investigate the evolution of microstructure and mesoscopic viscoplastic behavior at elevated temperature

    本文主要針對未經細化晶粒處理的金屬多晶材料，試驗和數值模擬相結合，研究高溫變形中材料微結構演化及細觀粘塑性力學行為。
  12. Both the qualitative pictures and the quamitative data, such as grain growth kinetics exponent ( aboul 1. 8 in the early stage and 5. 5 in the late stage of grain growth ) and the values of fractal dimension ( about 2. 6 in the early stage and 2. 2 in the late stage of grain growth ), show that the simulation work is in good agreement with experimental results reported

    不論是從定性的模擬圖形分析還是從定量的晶粒生長動力學指數k （生長初期約為1 . 8 ，生長後期約為5 . 5 ）或是晶界的分維值d （生長初期約為2 . 6 ，生長後期約為2 . 2 ） ，都說明我們的模擬工作與其它報導的實驗結果互相一致。
  13. By the increasing of temperature, liyco3 - xo4 was further changed into licoo2 and lixco1 - xo, and then licoo2 formed by the reaction of lixco1 - xo with li2o. the reaction that produces licoo2 is almost completely done at 700, although some remaining li2o and li2co3 present as a partially amorphous film dispersed on the surface of licoo2, which can accelerate the growth of licoo2 crystallites. however, when temperature is higher than 850, some of licoo2 begin to decompose into the solid solution phase of liyco2 - yo2 and lixco1 - xo, and damaged its own crystal structure

    制備licoo _ 2的合成反應中licoo _ 2的微結構不斷發生變化，隨著焙燒溫度升高， co _ 3o _ 4晶粒逐漸減小， licoo _ 2晶粒和顆粒逐漸長大，晶格內部缺陷減少， licoo _ 2晶格趨于完整，在焙燒溫度為850時licoo _ 2晶粒達到最大值；焙燒溫度低於700 ，晶胞參數a隨著焙燒溫度上升而減小，晶胞參數c隨著焙燒溫度上升而增大；而高於700則晶胞參數基本保持不變。
  14. Higher bath temperature and more deposition time, faster deposition rate, faster growth rate of crystallizing nucleus, which causes bigger crystalline granularity ; ph value and bath temperature are also key factors affecting the size of crystalline granulatrity

    鍍液溫度越高、時間越長，沉積速度越快，晶核成長的速度就越快，沉積晶粒的粒度也越大。鍍液ph值和sn ~ （ 2 + ）離子濃度也是影響晶粒粒度大小的關鍵因素。
  15. Based on the constitutive relationship coupled microstructure evolution, 3d - fe simulation of isothermal forging process of tc6 titanium alloy disc is performed dealing with different deformation temperature, punch velocity and shear factor of friction, effect of process parameters on equivalent strain, equivalent stress and grain size is calculated, and load - displacement curve is calculated

    本文基於微觀組織演變的本構關系模型，對不同變形溫度、凸模速度和摩擦條件下鈦合金盤的等溫鍛造過程進行了三維數值模擬，研究了變形工藝參數對等效應變、等效應力和晶粒尺寸的影響，計算了各變形條件下的位移?載荷曲線。
  16. With frame gather card and ccd, metallographic image which can be processed by computer is acquired after a serials of the applications of digital image technique such as gray level transformation, dichotomy, noise eliminating, dilation and erosion, image enhancement, boundary detection, etc. an automatic quantitative metallographic analysis system is developed with visual c + + 6. 0 to realize the measuring of the size of the metal crystalline grain, evaluation the proportion of the second tissue of the metal, micro hardness. with three - level browser / server mode and active server technology, the system gives the remote user the applying service through network to communicate and analyze the image information

    利用數字圖像處理技術，對圖像採集卡或ccd攝像頭採集到的金相圖像進行灰度轉換、二值化、噪音消除、圖像增強、邊緣提取等一系列圖像預處理，獲得計算機可以處理的數字圖像；並利用visualc + + 6 . 0開發定量金相分析系統，以實現對晶粒大小、金相組織第二相相對含量、顯微硬度等參量的自動測量；採用基於browser server的三層體系結構，通過網路訪問，並利用activeserver技術給遠程用戶提供應用服務，以便於根據圖像分析結果，給出專家分析意見，實現異地分析及交流。
  17. Vanadyl phthalocyanine ( vopc ) films prepared by vacuum deposition were annealed under magnetic field. uv - visible absorption results showed that the films annealed under magnetic field showed a q - band red - shift. x - ray diffraction study ( xpj ) ) indicated enhancement in diffraction intensity and shift of peak position

    分析表明酞菁氧釩分子uv - vis吸收譜q帶峰值發生較大的紅移； xrd測試中衍射峰強度明顯增強，峰位變化，但峰寬變化不大；原子力顯微鏡（ afm ）分析發現晶粒大小無明顯變化。
  18. The results show that the ma can accelerate the diffusion in solids. during the ma process, the size of grain in the sample sharply decreases to 65. 27nm after 30 minute milling and to 4. 14nm after 20 hour milling, while the microstrain of the grain increases firstly, reaching the maximum 0. 422 after 10 hour milling and then decreases

    通過試驗發現，機械合金化可以加速固態擴散，隨著球磨的進行，粉末晶粒尺寸急劇下降， 30分鐘后達到65 . 27納米， 20小時后達到4 . 14納米；微觀應變先增大， 10小時達到最大值0 . 422 ，隨后減小。
  19. Using sncl4 - 5h2o and sbcl3 as precursors, antimony doped tin oxide particles with good electrical properties have been prepared by hydrothermal synthesis. the optimal conditions of this synthesis process were as following : doping ratio was 11 % ; reaction temperature was 180 ; reaction time was 2h ; the temperature and time of calcinations is 700 and 2h. the size of ato particles obtained is about 20nm, and its resistance can reach 0. 2, under 0. 2mpa pressure

    在摻雜濃度為11 ，水熱反應溫度為180 ，反應壓力1mpa ，反應時間2h ，熱處理溫度為700 ，熱處理時間2h的實驗條件下制備的ato粉體，性能達到最佳，晶粒度在20個nm左右，在0 . 2mpa壓力下粉體電阻值為0 . 2 。
  20. The results indicated that the crystal particles in coatings were mostly rutile, and the size of the rutile was in a micrometer grade. the surface roughness of coatings was different

    發現制備的二氧化鈦功能塗層中晶粒尺寸為微米級，晶型主要為金紅石型二氧化鈦，表面粗糙度值大小不一。
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