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- The average grain diameter as determined from a random cross section. 从材料任一横截面上测量的晶粒直径的平均值。
- Turfy not too fine, pearlite grain diameter 3 - 4 millimeter, vermiculite grain diameter 3 - 5 millimeter are idealer. 泥炭不要太细,珍珠岩颗粒直径3-4毫米,蛭石颗粒直径3-5毫米比较理想。
- The dynamic light scattering is an effective method to measure grain diameter in nanon and submicron. 动态光散射技术是测量纳米及亚微米颗粒粒径的有效方法。
- Al_2O_3 nanoparticles with narrow diameter distribution were prepared by homogeneous method using urea as precipitator. 以尿素为沉淀剂,借助均相沉淀法成功地制得粒径小且分布窄的纳米氧化铝。
- Drop diameter distribution and mass transfer coefficient are briefly introduced. 对滴径分布和传质系数也作了简单介绍。
- 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. 锌粉按粒径大小可分为普通锌粉、细锌粉和超细锌粉,按形状可分为球状锌粉、片状锌粉和不规则形状锌粉。
- 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. 摘要采用静态吸附实验，研究不同粒径沉积物的基本性质及其对1,2,4,5-四氯苯吸附／解吸性能的影响。
- 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. 分析了影响水泥石绝对渗透率的各种因素,包括水灰比、颗粒半径、孔隙度、水泥类型和增渗剂等。
- Porous TiC-Al2O3 was prepared via SHS technology. Composition,micro-structure,pore diameter distribution and element were analyzed by XRD,SEM,EDS etc. 利用自蔓延高温合成技术制备了多孔TiC-Al2O3导电陶瓷,并用XRD、SEM、EDS对样品的物相、微观结构、孔径分布及成分组成进行了分析。
- Protein-loaded microspheres showed good sphericity and narrow diameter distribution, the encapsulation efficiency reached 95%. 微球球形度优良，粒径分布窄，蛋白质包封率达到95%25。
- The diameter distribution of the mirospheres was controlled by changing the mechanical rotation rate in the gelation process. 通过改变机械搅拌速率可以控制微球的粒径分布。
- Results Protein-loaded microspheres showed good sphericity and narrow diameter distribution, the encapsulation efficiency reached 95%. 结果微球球形度优良,粒径分布窄,蛋白质包封率达到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. 分散剂体系对聚合过程体系的稳定性、所形成树脂的颗粒粒径及粒径分布、颗粒空隙率和表观密度等有重要作用。
- 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. 发现随牵引速度的提高,PA6微纤的平均直径变小,尺寸分布更均匀,力学性能也随之提高。
- Soil grain diameter accumulation curve 土壤粒径累积曲线
- 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吸附和脱附结果表明;采用模板剂法制得的样品具有较大的比表面积(高达103.;5m~2·g~(-1))和较均匀的孔径分布(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. 射线衍射结果表明,所得晶体粉末为A型沸石,扫描电镜照片则显示添加脂肪族多元醇使得粉末粒径分布更为分散。
- 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. 最后，在已知初始熔融区长度的情况下，该解可以预知在任意拉伸长度下熔融拉锥光纤锥区的直径分布。
- 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. 采用直接原位聚合法制备了以石蜡为囊芯的脲醛树脂微胶囊,并利用激光粒径分布仪、X射线衍射仪、差示扫描量热仪(DSC)和傅立叶转换红外光谱仪分别分析了微胶囊的粒径分布、热稳定性、热焓值和壳结构。
- 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. 结论 采用本工艺制得的微丸圆整度较好、粒径分布窄、堆密度大、脆碎度小、收率较高。
