aThe particle diameter was range from 0.1nm to 0.3nm, dissolved in water easily. The DTA-TGA of reaction system Ca(OH)2-NaOH-ZrSiO4 showed the decomposition reaction of zircon sand was reacted above 590℃. 微粒直径是范围从0.1nm到0.3nm,容易地溶化在水中。 反应系统加州OH 2NaOHZrSiO4( DTA-...
The average particle diameter of the sand (d50) was 0.8 mm and the mean porosity was estimated to be 0.43. The largest fraction (34%) had particle diameter 0.5 mm and the fraction of the finest particles comprised 9.65% of the total. The coefficient of uniformity of the sand (Cu, d60/...
Calculation of mean particle diameter and standard deviation from sand, silt, and clay fractionsdoi:10.1016/0148-9062(92)90565-HELSEVIERInternational Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts
and z is the height of the particle away from the bed surface; g is the acceleration due to gravity; D denotes the average particle diameter; rp 5 2650 kg/m3 is the density of sand, ra 5 1.22 kg/m3 is the density of air, ra 5 1.22 kg/m3 is the density of air u and w are...
The layer thickness is determined by the powder that is being printed. The silica sand powder from ExOne Corporation has a D50, which is the mean particle diameter of 100 µm. When printing with the ExOne X1-Lab system, it is suggested the layer height be double of the D50, so th...
aThe fluidized bed with a diameter (Figure 24.1) of 154 mm and a length of 770 mm, consisting of fine quartz sand with a particle size of 0.3–0.5 mm is heated indirectly from outside by electricity. 流化床与直径 (数值154) 毫米和770毫米的长度24.1,包括美好的石英沙子以0.3-0.5毫米微粒大小...
Average particle size values for PLA/1.5 samples indicated higher proportions of fine grained material relative to bare dune samples. Straw/1, Straw/1.5 and Mixed/1.5 samples however have larger (coarser) average particle size values relative to bare dune samples. PLA/1.5 samples gave steeply ...
Particle diameter d 60% finer size mm Fluid specific weight gf 1000/16.0185 lb/ft.3 Water=1000 kg/m3 Particle specific weight gx 165.43 lb/ft.3 Sand SG Fluid viscosity μ 1.10 cP Water at 20°C Minimum fluidizing velocity Vmf (0.00381×(d1.82))×((gf×(gx-gf))0.94)/(μ0.88) gpm...
The pneumatic conveying experiments for sand withaverage particle diameter0. 在水平T型分支管道中,用压缩空气对平均粒径分别为0。 3. Heating rate only had effect onaverage particle diameter. 用柠檬酸络合法制备出双掺杂CeO2基粉体材料,考察了柠檬酸用量、焙烧温度、升温速率和成胶温度等制备条件对粉体材料...
1. Delivery rata and sand particle diameter are important factors. 在水平井段冲砂过程中砂粒容易沉积形成砂床,致使冲砂效率降低,排量和砂粒直径是其主要影响因素。更多例句>> 2) sand diameter 砂粒径3) particle size 泥砂粒径 1. Experimental study of effect of particle size on characteristics of...