晶粒度值 的英文怎麼說

中文拼音 [jīngzhí]
晶粒度值 英文
astm grain size mumber
  • : Ⅰ形容詞(光亮) brilliant; glittering Ⅱ名詞1. (水晶) quartz; (rock) crystal 2. (晶體) any crystalline substance
  • : 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)
  • : 度動詞[書面語] (推測; 估計) surmise; estimate
  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的方法描述該過程;對連續碰並方程不再將子落速差作為常量提出積分號外,而是直接作為子直徑函數在積分號內求解,這樣處理可以迴避使用子群的平均落速帶來的誤差;增加了霰和雪、霰和冰的碰並微物理過程。
  2. In this paper, porous nanocrystalline titanium dioxide films were used to modify the surface of quartz crystal microbalance ( qcm ), the response of qcm with high roughness layer hi liquid phase was discussed, and the difference between the theoretic value and frequency response measured was illustrated in detail

    本文採用tio _ 2納米多孔膜修飾壓電體傳感器,對高粗糙壓電傳感器的響應進行了探討,闡明了在液相中壓電響應的實際與理論產生偏差的主要原因。
  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結構、取向、表面形態平整等進行分析討論,認為400的襯底溫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,而且結構最好的薄膜磁性不一定最好。
  4. ( 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; ( 3 ) 540 、 560 、和580固溶處理25min 、水淬,得到了固溶充分的固溶體, 580的情況下界析出相未粗化、三交界處的角未出現等分的120 ,表明未發生過燒。
  5. 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燒結方式成相速快、樣品細小均勻、 mgb2超導芯緻密性好、間連接優良,因而sps燒結樣品的臨界電流密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jc在10k時達到8 . 64 105a / cm2 ,而且隨著測量溫和外加磁場的增加, sps燒結樣品的臨界電流密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,臨界電流密仍大於104a / cm2 。
  6. 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:生長面呈現出沿薄膜法線方向柱狀堆積的趨勢,緻密性差,微孔洞多;而襯底面緻密,幾乎沒有微孔洞存在。
  7. 8 - 1. 2g / min, and collection efficiency achieve 8 - 10 % under these parameters. through the study on the dispersion process of the nanoparticle tio2 in water, the author finds out that whisk time, dispersant types, dispersant concentration, dispersing time, ph value, temperature and electrolyte concentration have significant influence on dispersing effects. through contrastive and orthogonal experiments, the author obtains that composite dispersants have better results than single dispersants

    研究表明,液料等離子噴塗制備的納米tio :顆平均徑為10 ~ 50nln ,其型以銳欽礦為主,且隨著電弧功率的增大,銳欽礦含量減少;在本次實驗工藝參數下,收集速率為0 . 8一1 . 29 / min ,收集效率為8一10 % o通過對納米ti02顆在水介質中的分散性研究,發現機械攪拌時間、分散劑種類及濃、分散時間、 ph、溶液溫和電解質濃對納米tio :顆的分散穩定性有很大的影響。
  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,在4t時,摻雜線材樣品的臨界電流密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
  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;鋯液濃以飽和溶液為宜;浸漬工藝參數為ph3左右,溫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燒成溫段應緩慢燒成,控制氧化鋯纖維直徑在4 7 m ,氧化鋯尺寸50 100nm時氧化鋯纖維布的強最好。
  10. Worthy products where a delicate filtering process and a careful handling of the crystals are required. products with fine grain size where the presence of the heel cake residual layer remaining on the cloth after scraping on

    因密閉操作和無機械卸料機構刮削擠壓濾餅的獨特卸料方式,使該機在需要保護固相結的形狀和純以及固相物料具有觸變性的固液分離場合具有極強的應用價
  11. 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,隨著焙燒溫升高, co _ 3o _ 4逐漸減小, licoo _ 2和顆逐漸長大,格內部缺陷減少, licoo _ 2格趨于完整,在焙燒溫為850時licoo _ 2達到最大;焙燒溫低於700 ,胞參數a隨著焙燒溫上升而減小,胞參數c隨著焙燒溫上升而增大;而高於700則胞參數基本保持不變。
  12. 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

    鍍液溫越高、時間越長,沉積速越快,核成長的速就越快,沉積也越大。鍍液ph和sn ~ ( 2 + )離子濃也是影響大小的關鍵因素。
  13. 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、凸模速和摩擦條件下鈦合金盤的等溫鍛造過程進行了三維數模擬,研究了變形工藝參數對等效應變、等效應力和尺寸的影響,計算了各變形條件下的位移?載荷曲線。
  14. This part emphasizes the synthesis of nanoarrays, aiming at controlling the size and distance of nanocrystallites using calixarene derivatives by altering the size, length and chemical structure of the organic molecules ; 2. this part emphasizes in situ synthesis strategy for fabrication of polymer network of zns based nanopowder, aiming at size controls, coating and preventing agglomeration following " one - pot " synthesis ; this method fits to low cost, large scale production ; 3. according to development in zno nanomaterials, we first report on the synthesis, characterization of amorphous zno, aiming at describing the principles and approaches of synthesis techniques, optical properties, spatial structure and doped effect ; the amorphous zno displays cage - like structure, showing a strong ultraviolet emission while the visible emission is nearly fully quenched, a potential uv - emission material ; 4

    本論文以量子結構自組裝為出發點,提出利用杯芳烴及其衍生物的化學受限反應實現尺寸可調半導體納米子自組裝;提出有機聚合網路原位組裝zns基納米熒光粉方法,把熒光粉的納米化、包敷、防團聚在「一鍋」反應中完成,適于低成本,批量生產;根據當前zno的研究情況,我們首次合成了非zno ,研究了它的光學性質,確定了它的結構,並對其摻雜進行了初步的研究,非zno表現出強的深紫外發光特性,而可見發射非常弱,是一種有巨大潛在應用價的深紫外發光材料;利用非zno的亞穩特性,對化過程中非zno納米zno三維受限量子結構特性,界面特性進行了深入的研究;利用固相熱分解一般受擴散控制特性,實現了尺寸可控的zno三維量子結構的自組裝;利用非zno的高分散性,容易均勻成膜特性,實現了非誘導低溫液相外延自組裝生長高取向zno體薄膜。
  15. 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轉換、二化、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,以實現對大小、金相組織第二相相對含量、顯微硬等參量的自動測量;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。
  16. 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帶峰發生較大的紅移; xrd測試中衍射峰強明顯增強,峰位變化,但峰寬變化不大;原子力顯微鏡( afm )分析發現大小無明顯變化。
  17. The increase of radiative transition rate with decreasing particle size was attributed to the lower symmetry surrounding the eu3 + ions, while the increase of nonradiative transition rate to the extra nonradiative transition channels caused by surface defects. ( 3 ) under excitation of 488 nm, temperature - dependence of emission intensity of the 5d4 - 7fj transition in nanocrystalline y2o3 : tb was studied. in nanocrystalline, there appeared two maximal intensities

    ( 3 )研究了488nm激光激發下不同顆尺寸的y _ 2o _ 3 : tb納米熒光發射強隨溫的變化規律,發現y _ 2o _ 3 : tb納米熒光發射強在280k與590k存在兩個極大,而體材料只在280k有一個極大
  18. ( 2 ) with the condition of table 4. 2, the average reflectance decreases and the low reflectance vale moves towards shortwave, the influence on the extinction coefficient ( k ) of the films is very little, refractive index has trend of decrease and the thickness of the films decrease when increasing the total gas pressure, and the refractive index fix on a constant value when the total pressure exceeds a certain value. the phase of tio2 change from rutile to anatase and the size of surface grain change from big to small

    ( 2 )隨著總氣壓的增加薄膜的反射低谷向短波方向移動;總氣壓對消光系數k影響不大;隨著總氣壓的增加薄膜的折射率出現了下降的趨勢,但當總氣壓達到一定的量時折射率的變化趨于穩定;薄膜的厚隨總氣壓的增加而減少;隨著總氣壓的增加tio2的體結構由金紅石相向銳鈦礦相轉變,薄膜的表面的顆大小由粗大變得微小細密。
  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

    在摻雜濃為11 ,水熱反應溫為180 ,反應壓力1mpa ,反應時間2h ,熱處理溫為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,在20個nm左右,在0 . 2mpa壓力下粉體電阻為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尺寸為微米級,型主要為金紅石型二氧化鈦,表面粗糙大小不一。
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