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- The average grain diameter as determined from a random cross section. 從材料任一橫截面上測量的晶粒直徑的平均值。
- Turfy not too fine, pearlite grain diameter 3 - 4 millimeter, vermiculite grain diameter 3 - 5 millimeter are idealer. 泥炭不要太細,珍珠岩顆粒直徑3-4毫米,蛭石顆粒直徑3-5毫米比較理想。
- The dynamic light scattering is an effective method to measure grain diameter in nanon and submicron. 動態光散射技術是測量納米及亞微米顆粒粒徑的有效方法。
- Al_2O_3 nanoparticles with narrow diameter distribution were prepared by homogeneous method using urea as precipitator. 以尿素為沉澱劑,藉助均相沉澱法成功地製得粒徑小且分佈窄的納米氧化鋁。
- Drop diameter distribution and mass transfer coefficient are briefly introduced. 對滴徑分佈和傳質係數也作了簡單介紹。
- The zinc powders are classified as ordinary,fine and ultra-fine according to the grain diameter and spherical,lamellar and irregular according to the grain shape. 鋅粉按粒徑大小可分為普通鋅粉、細鋅粉和超細鋅粉,按形狀可分為球狀鋅粉、片狀鋅粉和不規則形狀鋅粉。
- The sorption experiments were conducted to study the influence of different sediment grain diameter sizes on the sorption/desorption of 1,2,4,5-tetrachlorobenzene. 摘要採用靜態吸附實驗,研究不同粒徑沉積物的基本性質及其對1,2,4,5-四氯苯吸附/解吸性能的影響。
- In this paper, all factors effecting cement permeability are anglicized first, such as water cement ratio, cement grain diameter porosity, cement type and permeabiliuy increaser. 分析了影響水泥石絕對滲透率的各種因素,包括水灰比、顆粒半徑、孔隙度、水泥類型和增滲劑等。
- Porous TiC-Al2O3 was prepared via SHS technology. Composition,micro-structure,pore diameter distribution and element were analyzed by XRD,SEM,EDS etc. 利用自蔓延高溫合成技術製備了多孔TiC-Al2O3導電陶瓷,並用XRD、SEM、EDS對樣品的物相、微觀結構、孔徑分佈及成分組成進行了分析。
- Protein-loaded microspheres showed good sphericity and narrow diameter distribution, the encapsulation efficiency reached 95%. 微球球形度優良,粒徑分佈窄,蛋白質包封率達到95%25。
- The diameter distribution of the mirospheres was controlled by changing the mechanical rotation rate in the gelation process. 通過改變機械攪拌速率可以控制微球的粒徑分佈。
- Results Protein-loaded microspheres showed good sphericity and narrow diameter distribution, the encapsulation efficiency reached 95%. 結果微球球形度優良,粒徑分佈窄,蛋白質包封率達到95%25。
- Dispersant system has important effect on stability of polymerization system, the diameter and diameter distribution, porosity and apparent bulk density of resin particles, etc. 分散劑體系對聚合過程體系的穩定性、所形成樹脂的顆粒粒徑及粒徑分佈、顆粒空隙率和表觀密度等有重要作用。
- The average diameter of PA6 fibrils decreased with the increasing draw rate, and the diameter distribution of fibrils became narrow, the mechanical properties were improved. 發現隨牽引速度的提高,PA6微纖的平均直徑變小,尺寸分佈更均勻,力學性能也隨之提高。
- Soil grain diameter accumulation curve 土壤粒徑累積曲線
- The results of N_2 adsorption/desorption showed that the samples prepared by CAC-OTD method possessed relatively large specific surface area and uniform pore diameter distribution (3.4-4.4 nm). N_2吸附和脫附結果表明;採用模板劑法製得的樣品具有較大的比表面積(高達103.;5m~2·g~(-1))和較均勻的孔徑分佈(3
- The XRD showed that the crystal powders were all zeolite A,and the SEM images showed that the diameter distribution of crystal powders obtained from adding aliphatic polyols was more dispersive. 射線衍射結果表明,所得晶體粉末為A型沸石,掃描電鏡照片則顯示添加脂肪族多元醇使得粉末粒徑分佈更為分散。
- Especially, given the initial length of the fused zone, the solution can predict the diameter distribution of the taper zone for the fused tapering fiber with arbitrary elongating length. 最後,在已知初始熔融區長度的情況下,該解可以預知在任意拉伸長度下熔融拉錐光纖錐區的直徑分佈。
- The diameter distribution,the thermal stability,the enthalpies and the structure of the microcapsules were analysed by the laser particle size analyzer,X-ray diffractometer,DSC and FT-IR,respectively. 採用直接原位聚合法製備了以石蠟為囊芯的脲醛樹脂微膠囊,並利用激光粒徑分佈儀、X射線衍射儀、差示掃描量熱儀(DSC)和傅立葉轉換紅外光譜儀分別分析了微膠囊的粒徑分佈、熱穩定性、熱焓值和殼結構。
- Conclusion The pellets which were prepared by the optimum technics presented perfect sphericity, narrow diameter distribution, big piles density, small crisp garrulous and high receiving rate. 結論 採用本工藝製得的微丸圓整度較好、粒徑分佈窄、堆密度大、脆碎度小、收率較高。