particle-size average 中文意思是什麼

particle-size average 解釋
粒度平均值
  • particle : n 1 顆粒，微粒；微量，極少量。2 【物、數】粒子，質點。3 【語法】虛詞，不變詞〈冠詞、副詞、介詞、...
  • size : n 1 大小，尺寸規模身材。2 （鞋帽等的）尺碼，號；（紙張的）開。3 巨大，大量；相當大的分量。4 〈口...
  • average : n 1 平均，平均數。2 一般水平，平均標準。3 【商業】海損；海損費用；（給領航的）報酬。adj 1 平均的...
  1. The particle size can be controlled by adjusting processing conditions such as milling time, rotating speed of milling pan, static pressure between milling pans and milling temperature, etc. average article size of the powder reduced to micrometer scale in relatively short time and a fraction of which even reached nano scale

    利用聚丙烯和尼龍6之間約60oc的熔點差，在200oc左右加ippch6復合粉體，可以使pa6保持固體超細粒子狀態， pp則熔融成為連續相，得到了pa6超細粒子均勻分散的ppch6共混體系。
  2. It is found that the electric, field improves elongations in 2090 and 2090 + ce alloys markedly, especially in 2090 alloy, but has little effect on strengths. at the same time, the electric field lessenes percentages of intergranular delamination and increases transgranular fracture and microscopic plastic deformation. besides, the electric field makes both average particle size and its distributing range of 8 " phase smaller, and reduces the half width of pfz in aged alloys

    研究表明：固溶電場可顯著提高2090合金及2090 + ce合金的延伸率，尤其是對2090合金，但對強度則無明顯的影響；同時，固溶電場減少合金的沿晶分層斷裂比例，並增加穿晶斷裂及微區塑性變形；固溶電場還使合金時效后相顆粒的平均尺寸減小、尺寸分佈范圍減小，並使pfz的寬度減小。
  3. Besides, the electric field increses both average particle size and of 8 " phase and the half width of pfz

    電場時效還增加了相顆粒的平均尺寸和pfz的半寬。
  4. 1 lanthanide hydrides ( m = la, nd, sm, dy and yb ) can be prepared easily by the direct hydrogenation of lanthanide metals catalyzed by ticl4 in tetrahydrofunan ( thf ) under normal pressure. the rate of hydrogenation decreased with increasing atomic number of lanthanides. transmission electron micrographs showed that the resulted lanthanide hydrides were in the form of nanoparticles with an average primary particle size around 20 - 40 nm

    本論文首次提出一種在溫和條件下催化合成納米尺寸的鑭系金屬氫化物的方法，介紹在常溫常壓下，鑭、釹、釤、鏑、鐿五種鑭系金屬在四氫呋喃（ thf ）溶劑中，催化劑作用下與氫氣直接化合形成相應的納米尺寸的鑭系金屬氫化物。
  5. Because the structure of horomill is not prefect in practice, in the second section design horomill by consulting the structure of roller grinding and applying concurrent engineering, and empolders secondly autocad2000 by using visual basic 6. 0, and sets up parameter gallery of horomill. in the third section, the dynamic model of horomill is developed. the relationship equation between energy consumption and press, and the relationship equation among the diameter of the cylinder, the diameter of roller and the average particle size are established

    由於筒輥磨的結構在實踐應用中並不十分完善，本文參考了輥式磨的結構特點，利用并行工程技術設計出變徑離心式輥碾磨機，並且應用visualbasic6 . 0對autocad2000進行了二次開發，建立了筒輥磨的參數化圖庫。
  6. It has not only better physics machine function, but also better bio - compatibility, bone - combined character than bio - metal and alloys, bio - ceramics and bio - macromolecule etc. making use of the water heat synthesization method, air current comminution method and classification filtration composite technique has preparated even crystal of ha, average particle size is 280nm

    本文研製了無機纖維增強pmma ha人工顱骨復合材料，該復合材料與金屬材料、陶瓷材料和高分子材料相比，不僅具有良好的物理機械性能，而且具有良好的生物相容性和骨結合特性。利用水熱合成法、氣流粉碎法和分級篩分等多種技術制備了粒徑均一的ha晶體，平均粒徑為280nm 。
  7. X - ray powder diffraction patterns show that the nickel powder is cubic crystallite. the average particle size of the ultrafine nickel powder is 50nm

    結果表明，控制溶液ph值在9 10之間，選用水合肼為還原劑可得到高純度的納米鎳粉。
  8. Transmission electron micrographs showed that the resulted lanthanide were in the form of nanoparticles with an average primary particle size around 20 - 40 nm

    Tem測試結果表明真空條件下（ 13 - 40pa ） ，熱分解制得的活性金屬粉末的顆粒大小為20 - 40nm ，分散度好且純度高。
  9. The stability of nano - alumina aqueous dispersion is tokened by spectrophotometer and particle size distribution instrument. it is proved that when condition is dispersant pmaa = 0. 4 %, ph = 9, nano - - alumina content = 4 % ( wt % ), ultrasonic for twenty minites, excellent stable nano - alumina aqueous dispersion can be acquired. nano particle average size is 205nm

    用分光光度計和粒度分析儀表徵了納米粒子水分散液的穩定性，結果表明納米相al2o3濃度為4 % ，分散劑為陰離子聚電解質，用量0 . 4 % ， ph = 9 ，採用超聲波分散20分鐘得到最好的分散效果，納米顆粒的平均粒徑為205nm 。
  10. The starting oxidation temperature of copper powders prepared by hydrothermal method is about 210 and average particle size is about 0. 7 m

    採用此參數可得到平均粒度為0 . 7 m ，分佈狹窄，開始氧化溫度約為210的超細銅粉。
  11. Using metal for reaction material, sno2 and tio2 nano - powders were obtained through dc transferred arc plasma with purity more than 98 % and average size of particle being l00nm and 60nm, in the same time the particle size could be adjusted according to the cooling medium

    用直流電弧等離子體「蒸發?凝聚法」以金屬塊體為原料，制備出了純度大於98平均粒度分別為100nm和60nm的sno _ 2及tio _ 2納米粉末，並且粉末的粒度可以通過調整冷卻介質來加以控制。
  12. The average particle size was from 50nm to 2um. a compounding particle was prepared by coating monodispersed and spherical ultrafine silica particles with titania which obtained by the hydrolysis of ti ( so4 ) 2

    以超細單分散球形二氧化硅粒子為載體， ti （ so _ 4 ） _ 2為原料，成功制備了在二氧化硅粒子表面包覆二氧化鈦的復合粒子。
  13. The results showed that average particle size of plns was significantly larger than that of initial cationic liposomes

    結果顯示，復合物平均體積顯著大於帶陽離子的脂質體。
  14. As the temperature and the soak time increasing, crystallite size, graphitic degree and average particle size of the graphite increase, while specific surface area decreases. the electrochemical performance of modified graphite is improved with the change in structure and surface characteristics

    結果表明，隨著熱處理溫度的升高和恆溫時間的延長，石墨材料的石墨化度、石墨微晶尺寸l _ c及l _ a逐漸增大，比表面積減小，平均粒徑增大，充放電性能得到改善。
  15. In addition to, the dispersion state of nano - sized a - a ^ os powder in water was characterized by analyzing the particle size distribution and calculating the average size. we also used this method to search the best dispersion agents

    此外，還利用粒度分析來表徵納米- al _ 2o _ 3粉體在水性體系中的分散情況，並找出最佳的分散工藝。
  16. Abstract : a new fuzzy measuring model for the average particle size in fluidized bed is described in this paper

    文摘:本文建立了一種對流化床中顆粒尺寸進行測量的模糊模型。
  17. The experimental conditions including the types and concentration of protective agents, feeding order and the ph of the solution that influence the average particle size was studied in detail

    詳細考察了ni ~ （ 2 + ）濃度、分散劑濃度、 ph值及加料順序對產物組成和粒徑大小的影響。
  18. The experimental conditions including the types and concentration of protective agents, feeding order and the ph of the solution that influence the average particle size have been studied in detail

    詳細考察了分散劑濃度、 ph值及加料順序對產物組成和粒徑大小的影響。結果表明，控制n廣、 c 。
  19. However, the green compact ' s density has little effect on the highest sintering temperature and time. after optimizing the technological technique, the parameters on microwave magnetic sintering of ndfeb magnets were chosen : the powder with average particle size of 3 m was isostatically pressed at 2000kg / cm2, and the shape of the green compact is 18 6mm

    進行工藝優化后，我們所選用的微波燒結參數為：微波功率2kw ，粉體的平均粒徑3 m ，壓型壓力2t cm ~ 2 ，初坯為18 6mm的圓柱體，燒結最高溫度約為900 ，燒結的時間70s左右。
  20. Silylate - terminated polyurethanes with built - in hydrophilic sites were synthesized. when the polymer is dispersed in water, the silane alkoxy end - groups of the polymer undergo hydrolysis, followed by condensation to form a stable cross - linked aqueous dispersion. tem studies indicated that with more incorporation of hydrophilic sites, the particle size of the dispersion decreased. it was also found that the film property depended on the particle size when the crosslinking density in particels was much higher. the average molecular weight of the elastically effective network chain mc measured by swelling experiments shows fairly good agreement with the theoretical value of mc. it was also found that the cross - linking density of the casting film may increase during the film formation and drying process

    將硅氧烷封端的含親水基團的線性聚氨酯預聚體分散於水中，獲得穩定的聚氨酯分散體.由於硅氧基團水解、縮合，在分散體粒子內產生擴鏈交聯反應，生成了交聯水基聚氨酯分散體.透射電子顯微鏡研究表明分散體粒徑小、分佈寬.掃描電子顯微鏡研究了成膜結構及成膜性能與粒徑的關系.溶脹實驗計算獲得的兩交聯點之間的平均分子量與理論平均分子量相符.研究還發現此分散體膜在乾燥過程中可進一步交聯.膜的水溶脹及機械性能表明，此分散體具有極大的工業應用價值
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