发现光致发光峰位随多孔度增加而蓝移的数值远小于量子限制模型预期的结果。
The experimental result shows that the PL peak position does not blue shift much as the prediction from the quantum confinement model with the porosity of porous silicon increasing.
多孔硅微腔是采用交替变化脉冲腐蚀电流密度的方法制成的多孔度周期性变化的多孔硅结构。
Porous silicon microcavities were etched with alternate varied current density which made the porosity change periodically.
在给定的饱和度下,未固结的多孔介质的非润湿渗透率高于排水渗透率。
At a given saturation nonwetting permeabilities for an unconsolidated porous medium are higher than the drainage permeabilities.
建议的涂布率是由待涂装表面的状况(光滑度和多孔性)和所用的特定涂料共同决定的。
The proposed rate is to be paint coated surface conditions (smoothness and porosity) and the specific paint used joint decision.
有界区域上多孔介质中可压缩可混溶驱动问题由两个非线性抛物型方程耦合而成:压力方程和饱和度方程均是抛物型方程。
Miscible compressible displacement in a porous media is modelled by a nonlinear coupled system of two parabolic equations: the pressure equation and the concentration equation.
有界区域上多孔介质中可压缩可混溶驱动问题由两个非线性抛物型方程耦合而成:压力方程和饱和度方程均是抛物型方程。
Miscible compressible displacement in porous media is modelled by a nonlinear coupled system of two parabolic equations: the pressure equation and the concentration equation.
这是因为低渗透多孔介质的孔隙很小,微小的孔隙度变化也会对渗透率产生较大的影响。
This was because the pore space of low permeating and porous medium was very small.
制得的颗粒多孔、速溶、真球度高、表面光泽度好、致密性强、不易破碎。
The prepared granule is porous and can solve quickly, with high sphericity coeficient, good surface luster, certain intensity and is not easy to break.
毛细压力、相对渗透率与饱和度的关系是求解多孔介质多相流运动方程的基础。
For solving porous media multiphase flow equations, capillary pressure-relative permeability-fluid saturation relationships are the most important bases.
多孔硅乙醇气体传感器的主要优点:在室温下不用加热就具有很高的灵敏度、选择性好、测量精度高、价格低等。
The main advantages of porous silicon gas sensor are higher sensitivity and selectivity without heating in the room temperature, high measure precision and low price.
泡沫调剖体系在多孔介质中能够有效改善流度比,调整吸水剖面,提高洗油效率,但是体系稳定性较差。
Foam profile controlling system can improve the mobility ratio, adjust the water injection profile and improve the efficiency of oil washing in porous media, but the system has poor stability.
在衰竭开发中,多孔介质、束缚水对凝析油饱和度的影响不容忽视。
The influences of porous media and irreducible water on condensate oil saturation are not negligible in natural depletion.
结果表明,多孔介质中甲烷水合物的存在会导致其渗透率急剧下降,饱和度-渗透率曲线呈指数分布。
The result shows that the existence of methane hydrate in porous media can cause a sharp decline in its permeability, and saturation-permeability curve obeys exponential distribution.
讨论了不同水合物胶结类型的流体饱和多孔隙固体中地震波的衰减情况,分析了估算天然气水合物和游离气饱和度影响因素。
Attenuations of different types of gas hydrate cementation in fluid-saturated porous solids are discussed. The factors affecting estimation of gas hydrate and free gas saturation are analyzed.
随烧结温度的增加与时间的延长,多孔钛的孔隙尺寸和孔隙度随之减小,孔隙形状从不规则向规则球形转变。
With increasing sintering temperature and time, the pore size and porosity decrease, and the shape of the pore turns into sphere.
随着成型压力的增大,多孔钛孔隙尺寸和孔隙度减小,但孔隙形状未发生显著变化。
The increasing in forming pressure reduces the pore size and porosity, but has little effect on the pore shape.
运用高灵敏度的共焦显微拉曼系统研究了多孔硅在纵向的拉曼效应和光致发光的性质。
Raman and photoluminescence studies of porous silicon were performed using a highly sensitive confocal microprobe Raman system, which allows the z direction layer analysis of the sample surface.
结果表明,多孔淀粉颗粒表面呈蜂窝状,孔密度均一,结晶度提高,吸水吸油能力明显大于原淀粉。
The results show porous starch granule looks like honeycomb, porous density is homogeneous, the crystallinity increase and the absorptivity are obviously higher compared with native starch.
结果表明,交联度对交联聚苯乙烯多孔吸附剂的孔结构均具有显著影响。
The results showed that specific surface area was increased and average pore size was declined while crosslinking percentage, i. e .
研究了粉末粒度、压制压力及烧结温度等对多孔钨孔隙度的影响。
Some factors effecting the porosity of porous tungsten, such as powder size, press pressure, sintering temperature, and so on, are discussed in detail.
表明BP ANN是硫酸阳极氧化制备多孔膜孔有序度的较好的预测模型。
The result shows that BPANN is a good model to predict the hole ordering for PAA film in sulphuric acid.
试验结果表明,对于相同两相系统,多孔介质孔隙度愈小,同一毛细压力对应的饱和度相应愈大;
The experimental results show that, for a two-phase system with different porosity of porous media, the saturation is bigger with the reduction of porosity under the same capillary pressure;
用溶解度不同的活性物释放数据对方程进行拟合并求得各组分在多孔聚合物基质中的有效扩散系数和溶解速率常数。
The model was used to fit the release profiles of three actives with different solubility, and the diffusion coefficient and dissolution rate constant were obtained.
确定出分形维数与多孔材料孔隙度之间的定量关系,同时说明了分形维数的物理意义。
As a result, quantitative relation of fractal dimension and porosity was studied and physical meaning of fractal dimension...
确定出分形维数与多孔材料孔隙度之间的定量关系,同时说明了分形维数的物理意义。
As a result, quantitative relation of fractal dimension and porosity was studied and physical meaning of fractal dimension...
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