晶體球粒 的英文怎麼說

中文拼音 [jīngtǐqiúlì]
晶體球粒 英文
spherulite
  • 晶 : Ⅰ形容詞（光亮） brilliant; glittering Ⅱ名詞1. （水晶） quartz; （rock） crystal 2. （晶體） any crystalline substance
  • 體 : 體構詞成分。
  • 球 : 名詞1 （以半圓的直徑為軸 使半圓旋轉一周而成的立體; 由中心到表面各點距離都相等的立體） sphere; glo...
  • 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）
  • 晶體 : [晶體學] crystal; vitrella; crystal body; crystalloid; x-tal
  1. In one, equiaxed dendrites form and subsequently ripen into more - or - less spheroidal shape, suitable for forming

    一個是先形成由等軸晶粒構成的晶枝體，再熟化形成類似的球狀體。
  2. Fe - ni alloy fiber were first prepared in a mixed solution of ferrous and nickelous salts, using kbh4 as a reducing agent. conditions, such as quantity of naoh, concentration of salts, and species of surfactants, of preparation of fe - ni alloy were studied. the result show that fe - ni alloy were soft magnetic materials and they exhibited superparamagnetization at room temperature that have been widely used in industry

    本文用液相還原法首次制備出纖維狀的fe - ni合金、球形的fe - co 、 co - ni合金、 fe - co - ni合金粉體材料，並對其性能進行了分析和測試，結果表明：這些合金粒徑小，比飽和磁化強度較大，矯頑力為零，呈現超順磁性，是非晶態的軟磁材料。
  3. The raw materials, the composition, the time of milling, the calcining temperature, the different additives, the sintering temperature and the sintering parameters were investigated. the result showed : it was advantaged to obtain high initial permeability mnzn ferrite with stable frequency characteristic using high - purity raw materials ; in order to obtain mnzn ferrite with high properties, we must control strictly the composition ; it could improve the properties of mnzn ferrite by optimizing calcining temperature. the lower calcining temperature made the permeability higher, and the higher calcining temperature could promote the frequency characteristic of permeability ; we chosen the right time of milling according to the requirement of power diameter ; in order to improve the properties of mnzn ferrite, it is necessary to add effective additives. in this dissertation, the influence of bi2o3 、 moo3 、 k2co3 、 co2o3 were investigated ; the sintering temperature, the time of heat - retaining and sintering parameters were the key factors of preparing high permeability mnzn ferrites

    研究結果表明:採用高純度的fe2o3有利於獲得高起始磁導率且頻率特性優良的鐵氧體;為了制備所需性能的鐵氧體，需要嚴格控制配方中各種原材料的含量，優化配方;由於粉體活性受預燒條件的影響，所以對不同要求的鐵氧體選擇的預燒條件就不一樣，適當降低預燒溫度有利於獲得較高的起始磁導率，而為了獲得良好的頻率特性可以適當地提高預燒溫度;根據對粉體顆粒粒徑的不同需求，可以選擇不同的球磨時間;而有效的添加劑是改善材料性能的必要條件，本文在添加劑的研究中主要對bi2o3 、 moo3 、 k2co3 、 co2o3的影響分別作了詳細地討論;燒結溫度、保溫時間和燒結氣氛是高磁導率mnzn鐵氧體制備最關鍵的工藝，適宜的燒結工藝可以獲得理想微結構和組成，從而得到高性能的鐵氧體材料;而從材料的微結構上來看，要提高材料的截止頻率，就要適當地細化晶粒、增加晶粒內部的氣孔。
  4. Miao b., wang g., wang d., ouyang z., lu r., dai d., and lin y. ( 2005 ) petrology and mineral chemistry of two ureilites found in grove mountains. acta geologica sinica 77

    戴德求，林楊挺，繆秉魁，王桂琴， （ 2006 ）南極碳質球粒隕石中兩個富尖晶石球粒狀難熔包體的巖石學和礦物化學特徵研究地球化學出版中。
  5. This edta route has several remarkable advantages in comparison with other method. because of the greater ability of edta anions to chelate metal cations, and forming very stable and soluble complexes, all of the starting materials are mixed at the molecular or atoms level in a solution, it is easy to control the composition and a high degree of homogeneity is achievable

    傳統的合成方法是高溫固相反應，由於灼燒溫度高、灼燒時間長，形成硬團聚體，產物粒徑較大，一般為m級，需進行球磨粉碎以減少其粒徑，很難制得均相、均一粒度分佈的氧化物粉體，在研磨過程中容易引入雜質且晶形破壞使得發光亮度減小。
  6. Fine ni3al powders with an average grain size of 6. 1 m were firstly prepared by shs method and mechanical grinding for 36ks with the ratio of ball to powder at 3. 5. the effects of grinding condition and heat treatment technique on the morphology, microstructure and composition as well as crystal structure of the prepared ni3al powders were discussed

    首先採用機械粉碎法在36ks的粉碎時間和球料比為3 . 5的工藝條件下獲得了平均粒度為6 . 1 m左右的ni _ 3al微粉，重點討論了粉碎條件及熱處理工藝對ni _ 3al微粉的形貌、微觀結構、物相組成和晶體結構等的影響。
  7. Abstract : the crystal structures obtained by static solidification and vibration solidification were compared. it was showed that, in the case of vibration solidification, the orientation growth of the columnar crystal was not obvious, the equiaxial crystal appeared more early. the grains of both types of crystals were quite fine, hardness in the full section was relatively high, and the hardness distribution was uniform. in the former case, the solute segregation in dendritical austenite more severe, and there were lumps of distortion inclusion

    文摘:對球鐵金屬型靜凝固與振動凝固的結晶組織對比表明：後者柱狀晶方向性生長較弱，等軸晶出現較早，且兩者的晶粒均較細，全斷面硬度較高且分佈均勻；前者枝晶奧氏體內溶質偏析大，有畸變夾雜團塊。
  8. The cementing metal and carbon nanotubes ( cnts ) were added into the milled solid solution of w - c. by ball milling not only the additives were well dispersed in the the powder but also the size of cementing metal crystal was reduced, which was in favor of the reinforcement of alloys

    在w _ （ 50 ） c _ （ 50 ）球磨製得的粉體中直接加入粘結金屬和碳納米管，利用高能球磨混合，提高它們在粉體中的分散程度的同時可以進一步減小粘結相的晶粒尺寸，有利於提高材料性能。
  9. Hap particles were poor crystalline and transformed into the better crystal after calcinated at 650cfor 4 hours

    將粉體在650保溫4小時后，顆粒轉變成結晶相，形貌仍然呈球形。
  10. Experimental results show that the grains were gradually triturated to namometer size with milling time and the grain size might be 30nm or so, but the grain size was not decreasing after the powder has been milled for 25 hours. the nano - sized sic was synthesized by ball milling of si and c mixed powders which rare earths as a additive was added to

    結果表明：隨著時間的延長，粉末逐漸細化至納米級，可以細化到30nm左右，但球磨時間超過25h后粉末顆粒繼續細化的速度明顯放慢，並且在球磨的過程因為晶粒細化和晶粒內部發生了嚴重的晶格畸變，納米粉體x射線衍射峰產生嚴重寬化。
  11. To explain the inverse hall - petch relation in nanocrystalline metals, a geometric model is made, which assumes that the grains are spherical crystals, and the thick of grain boundary is considerable compared with the microcrystalline metals

    提出了一個球形晶體純晶界滑移幾何模型，得到出現反hall - petch關系的條件和小晶粒尺寸條件納米晶金屬材料的強度極限。
  12. In australia, the aborigines believe the opal has a spiritual meaning. the wangkumara people have a legend which tells how their people gained fire from opal stones, with the assistance of a muda - a creator who switches from human form to pelican

    歐泊在礦物學中屬蛋白石類，是具有變彩效應的寶石蛋白石，是一種含水的非晶質的二氧化硅。內部具球粒結構，集合體多呈葡萄狀、鐘乳狀。
  13. Cosb3 micrometer powder has been synthesized by solid - state reaction. cosb3 nano - powders were prepared by high - energy ball - milling respectively. the influence of mass ratio of big balls and small balls, milling speed and time on particles size of cosb3 powder, were investigated

    採用固相反應法合成了平均晶徑約為3 m單相cosb _ 3粉體，採用高能球磨法制備了納米cosb _ 3化合物粉體，研究了球磨參數（球料比、級配、轉速和時間）對粉體顆粒尺寸的影響。
  14. In this paper ， first, the author drew some important conclusions by analyzing several technical factors and experimental conditions which would have great influence on the quality of diamond thin films during mpcvd process ， including gas proportion ， the power of microwave ， the plasma ' s location, the nucleation technique, etc. finally ， the author has successfully deposited nanocrystalline diamond thin films with 300nm crystal particles on the slick surface of silicon by using ch4 / h2 gases in the mpcvd system ， and the nanocrystalline diamond thin films was proved to have good field emission performance. all these researches will make the foundation for the field emission cathode of diamond films

    本論文中，作者分析了mpcvd方法中氣源成分比、微波功率、等離子體球的位置、成核技術等各種工藝條件對金剛石薄膜質量的影響，並總結得到了一些有意義的結論；同時，在自行研製的mpcvd沉積系統上，於4 - 7kpa 、 1000左右的熱力學條件下，採用ch4 / h2氣源氣氛在光滑的硅襯底上制備出了晶粒尺寸在300納米以下的納米晶金剛石薄膜，測試得到了較好的薄膜場致電子發射性能，為金剛石薄膜場致發射冷陰極的研究工作打下了實驗基礎。
  15. Polarization microscope had observed that the size of sphere crystal of pp after adding organic rigid particles became smaller, the excellent compatibility of interphase between matrix and organic rigid particles in composite has been proved, and the organic rigid particles were drew out into cavities from matrix in the photograph of the impact breaking section by sem. the reason of enhanced toughness of the composite is that the material absorbed amount of energy at forming cavities, which is the mechanism of the pp composite toughened with the organic rigid particles

    偏光顯微鏡顯示加入有機剛性粒子可使pp的球晶尺寸減小， sem觀察到復合材料中基體材料和剛性粒子的界面相容性較好，在沖擊破壞的材料斷面上，剛性粒子明顯被拔出形成「空穴」 ，這些微小空穴較易產生而吸收能量，從而提高了材料的斷裂韌性，這是剛性粒子復合聚丙烯的增韌機理。
  16. These are loose aggregates of a large number of primary particles of crystalline or spherical shape.

    這些是大量晶體，或球原始粒子的疏鬆團粒。
  17. Silicon dioxide spherical particles are widely used in many fields of advanced technology, such as photonic crystals, catalyst supports, chromatographic packing materials and standard materials in measurement etc. in this article, micrometer sio2 spherical particles were synthesized by polymerization - induced colloid aggregation process

    由於二氧化硅球形顆粒在光子晶體、催化劑載體、色譜填料、標準計量等許多高新技術領域有著非常廣泛的應用前景。本文用聚合誘導膠體團聚法制備介孔二氧化硅球形顆粒，並對其形成機理及制備條件進行了詳細研究。
  18. And generally speaking, the grain sizes were all less than 100nm. the average grain sizes of nd2fe14b and - fe reached a minimum of sizes after crystallization treatment ( temperature of crystallization : 650 ; heat preservation time : 5 hours )

    對球磨5小時的合金粉末進行晶化處理，可以發現，在晶化過程中，隨晶化溫度的增加晶粒尺寸逐漸長大，但總體來說，都在100nm以下。
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