fraction size 中文意思是什麼

fraction size 解釋
fraction粒組
  • fraction : n. 1. 小部分，碎片，片斷。2. 一些，一點兒。3. 【化學】分餾，分層，分級。4. 【宗教】聖餐麵包分切式。5. 【數學】分數。
  • 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...
  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. The age hardening characteristic of as - cast cu20ni20mn and cu20ni35mn alloys and the interface characteristic between the alloy and cast tungsten carbide were studied, and on the basis of this study, composites of cu - ni - mn alloy reinforced with different volume fraction ( 0 - 45vol. % ) and different size ( 42 - 362 m ) of cast tungsten carbide particles were made by vacuum hot - pressing liquid sintering technology. pin on disk two body abrasion tests have been performed with different size of sic abrasive under different loads

    本文研究了鑄態cu20ni20mn和cu20ni35mn合金的時效硬化特性及其與鑄造碳化鎢的界面特性，並在此基礎上以不同尺寸（ 42 362 m ）的鑄造碳化鎢顆粒為增強體，採用真空熱壓液相燒結技術制備了不同顆粒含量（ 0 45vol . ）的鑄造碳化鎢顆粒增強cu - ni - mn合金基復合材料；以不同粒度的sic為磨料，在不同載荷條件下利用銷?盤磨損試驗機測試了復合材料的二體磨料磨損性能。
  3. It is firstly found that for alloys in metastable region, with enhancement of atomic interaction energy, volume fraction and density of " phase particulate are increased, size and nucle ' ation rate of ordered phase raised, decline pace of composition in disordered matrix around the order phase is accelerated, composition order parameter and long range order parameter of ordered phase increased, i. e. process of clustering and ordering are accelerated

    首次發現，隨著原子間相互作用勢的增加，亞穩區合金中有序相的體積分數和顆粒密度有所增加，有序相的尺寸和形核率有所提高，有序相周圍的無序基體濃度的降低有所加快，有序相內的成分序參數和長程序參數有所提高，即促進了原子簇聚過程和有序化程度。
  4. Compared with the behavior of macromolecules in real solution system, the adsorption information in the monte carlo simulation system, such as adsorption isotherm, surface coverage, and bound fraction, was studied for discussing its relation to simulation parameters. five - selection simple cubic lattice, self - avoiding walk, and nearest interaction model were used to construct the homopolymer adsorption model on the solid - liquid interface. periodic boundary conditions were used to reduce the fixed error from limited cubic lattice in size

    模擬中採用五選擇簡單立方格子上的自迴避行走和最近鄰相互作用模型；使用周期性邊界條件以減小有限大格子空間帶來的系統誤差；用鏈節間相互作用能、界面吸附能、體相濃度和鏈長約束體系中的高分子的吸附行為；用末端轉動、 l -翻轉、曲柄運動、蛇形運動和r - r切除-生長法對模擬體系進行擾動；用系統達到吸附平衡后的樣本來研究模擬體系中的高分子鏈在固液界面上的吸附。
  5. The braiding parameters include the dimensions of sample, the braiding yarn of main part, the volume proportion of each region to whole structure, the size of the braiding yam, the yarn packing factor, the fiber volume fraction, the braiding angle and the braiding pitch length

    主要的編織結構參數包括試件的外形尺寸、主體紗行數和列數，三個區域各自所佔的體積百分比、編織紗線的細度、紗線填充因子、纖維體積含量、編織角以及編織花節長度。
  6. Soils : investigation and testing. practical method for identifying the 0 50 mm fraction of a granular material. determination of particle size and blue value

    土壤.調查與試驗.鑒定粒狀材料的0 50mm粒度極的實用方法
  7. Recently, anodic aluminum oxide ( aao ) membranes with a regular porous structure have been prepared by electrochemical methods and have widely been used to produce various nanostructured materials within highly ordered channels in the aao membrane in which the diameters and lengths of the inserted nanowire can be well controlled. in this dissertation, after reviewing the latest development in research of the novel system of nano - array composite by using template method, reports my research work of fabricating metal / aao nano - array composite and their novel optical properties in the past few years. different metal / aao composites ranging in volume fraction of the metal showed unusual size - dependent optical properties, some important results obtained are as following : 1

    接著論文全面總結了作者近幾年以金屬aao納米有序陣列復合結構光學特性為選題的研究工作：進一步優化了制備金屬aao納米有序陣列復合結構的工藝參數，較系統地考察了分別由幾種不同金屬（ co 、 ni 、 ag 、 cu ）植入aao模板后，合成的納米有序陣列復合結構樣品的光反射、透射和吸收等一般光學特性，還專門研究了各系列結構樣品吸收邊的頻移、金屬納米粒子表面等離子激元共振吸收特性，以及特殊的半導體光學特性等。
  8. The metallogenic elements decrease rapidly in quantity, and are concentrated in the fine size fraction, mainly in the form of sulfide facies

    由於草甸發育，顆粒物質遷移受到抑止，水系碎屑沉積物僅出現在2 ~ 3級水系。
  9. Erosive resistance of grey cast iron matrix composite has been investigated, on the condition of different volume fraction of wc and erosive angles and volume fraction of. the results showed that, the erosive resistance of composite with volume fraction of 27 wt % was the best ; volume abrasion rate of composites with different erosive angles was maximum at 50 angle, but volume abrasion rate was less at 0 and 70 angle ; on condition of the same volume fraction of wc and larger size of quartz sand in slurry, volume abrasion rate increased

    結果表明：碳化鎢體積分數為27的灰鐵基復合材料的耐沖蝕磨損性能最佳；不同沖蝕角下復合材料的體積碳化鎢顆粒增強鐵基表面復合材料及其沖蝕磨損性能研究摘要磨損量在50 「沖蝕角處最大，在0 」和70 」沖蝕角處較小；在碳化鎢顆粒體積分數相同的情況下，當漿料中的石英砂粒度大時，其體積磨損量增大。
  10. Air quality. particle size fraction definitions for health - related sampling

    空氣質量.身體健康相關的抽樣的粒度級定義
  11. Workplace atmospheres - size fraction definitions for measurement of airborne particles

    工作場所氣氛.空氣中微粒測量的粒度級定義
  12. There were two reasons for the low gloss of bronze powder. one was the low leafing value and the irregullar orientation of bronze flake in oil. the other was the wide size distribution of the interior pigment, containing a large fraction of small powder ( < 3 um ), which to some extent had a great impact on metallic gloss

    （ 2 ）造成國產銅金粉光澤低的原因是：粉末粒度分佈范圍過寬，小粒徑顆粒（ 3 m ）所佔比例過大，銅金粉在粘結料中的漂浮性低及定向排列差。
  13. Traditional methods for measuring fraction of nonconformities become inapplicable for those high quality processes since any manufacturing sample of reasonable size likely contains no defective product items

    然而，由於在這些高質量製程（不良品種通常用百萬分之一?衡量單位）所取出適當大小的樣本中幾乎沒有不良品，因此常規用來衡量這些低不良率製程的方法變得沒有效率且不適用。
  14. After wet sieving, water stable aggregate showed the highest fraction at the size of < 0. 25mm, while micro - aggregate was distributed from 0. 25mm to 0. 01mm size. aggregate stability of soils increased with an increased clay content

    土壤水穩性團聚體的粒級分佈（ psd ）均以0 . 25mm居多，土壤微團聚體的粒級分佈則以0 . 25 - 0 . 01mm粒級為主。
  15. Air quality - particle size fraction definitions for health - related sampling iso 7708 : 1995

    空氣質量.衛生抽樣用懸浮灰塵粒度分佈定義
  16. Second, you can use only a fraction of the available capacity more precisely, it is the size of the smallest partition in the raid

    第二，您只能使用現有容量中的碎片更精確的說，它是raid中大小最小的磁碟分割區。
  17. The landscape pattern of change on the fraction of green vegetation during this period was studied using a landscape pattern analysis program fragstats by analyzing path size, number of patches, shape metrics and landscape heterogeneity metrics to show the changing feature of landscape pattern. all of these results of indices analysis emphasize that the eco - environmental system in beijing mountain area in a whole is stable and the fragmentation and heterogeneity level in the last five years is decreasing

    本文在fcdmappingmodel原理和方法的基礎上，利用1994年和1999年的兩期landsattm數據，對北京北部山區昌平區、懷柔縣、密雲縣、平谷縣和西部山區門頭溝區的植被覆蓋率進行了計算，並利用fragstats軟體對其景觀變化過程從斑塊大小、數量、形狀和景觀異質性等角度進行了時空格局變化的剖析。
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