1) average size of sand
砂平均粒径
2) average diameter
平均粒径
1.
The resultsshow that the average diameter of particles does nottake a monotone rise, and that it reaches itsmaximum at P_(max).
结果表明，平均粒径不是随Ｎ＿２气压强增加单调上升，而是在某一压强Ｐ＿（ｍａｘ）下，出现最大值。
2.
Effects of the amount of the distilled water, stirring rate, temperature and the amount of the polyvinyl alcohol and resorcinol on the enthalpies and average diameters of the microcapsules were studied.
考察了加水量、搅拌速度、温度、聚乙烯醇用量以及间苯二酚用量对微胶囊相变潜热和平均粒径的影响。
3.
In order to shorten the fussy experimental process in preparing colloidal solutions of silver nanoparticles by pulsed laser ablation in distilled water,a LmNet PF neural network model is developed to approach the complex nonlinear relationship between technology parameters and the average diameter and its distribution for preparing colloidal solutions of silver nanoparticles respectively.
为有效缩短蒸馏水中脉冲激光烧蚀制备A g纳米粒子胶体工艺中繁琐的实验过程,采用LmN et PF神经网络平台对制备工艺与平均粒径及粒径分布的关系进行建模,并将其运用到平均粒径及其分布的预测中去,讨论了激光能量密度、激光重复率、烧蚀时间和平均粒径及其分布的关系。
3) average particle size
平均粒径
1.
The application of PCA-ANN method to PTA average particle size soft sensor;
PCA-ANN方法在PTA平均粒径软测量中的应用
2.
On-line measurement system of average particle size in gas-solid fluidized bed based on acoustic emission analysis and least squares support vector machine;
基于CCA-LSSVM在线检测流化床平均粒径
3.
005mol/L,the average particle size and z.
加入Na+、Ca2+和Al3+均可增加水性油墨粒子的平均粒径,而Al3+的效果最为显著,当Al3+浓度为0。
4) mean particle size
平均粒径
1.
Mean particle size and particle size distribution of W/O suspension crosslinked copolymer of allyl dextran and N,N′ methylenebisacrylamide were investigated by varying amount of dispersing agents and optimizing flow behavior of the reactants in reactor.
悬浮聚合交联烯丙基葡聚糖微球的粒径及其分布王钒宋国强王忱陈群（江苏石油化工学院应用化学系，常州２１３０１６）陈金龙（南京大学环科系，南京２１００９３）关键词悬浮聚合交联烯丙基葡聚糖微球平均粒径粒径分布１前言悬浮聚合法制得的微球聚合物。
2.
The relationship between mass flow rate of pulverized coal with different mean particle size and gas injecting velocity were investigated.
在输送压力可达4MPa的气力输送实验台上,进行氮气-煤粉密相输送实验,研究不同平均粒径煤粉质量流量与注入速度的关系,分析不同平均粒径煤粉在水平管、垂直管、水平弯管、垂直弯管内输送时的压降变化规律。
3.
Experiments of dense-phase pneumatic conveying of pulverized coal with different mean particle sizes were carried out in an experimental test facility by using nitrogen with the conveying pressure up to 4 MPa.
在输送压力可达4 MPa的气力输送实验台上,进行不同平均粒径煤粉的密相输送实验。
5) mean size
平均粒径
1.
The calcium carbonate particles having the mean size of 15～40 nm were prepared.
采用间歇鼓泡碳化法,通过对碳化反应温度、灰乳体积质量、搅拌转速、气体分布器开孔直径、消化浆液陈化时间等影响因素的控制,得到了用高活性度石灰为原料制备纳米碳酸钙的优化工艺条件,制得了平均粒径为15～40nm的纳米碳酸钙产品。
2.
The nanometer calcium carbonate particles with the mean size of 30～50 nm were prepared by introducing CO_2 to lime suspension.
采用鼓泡碳化法,详细研究了反应温度、反应物浓度、搅拌转速等因素对碳酸钙产品平均粒径的影响,优化了制备纳米碳酸钙的工艺条件,制得了平均粒径为30～50nm的纳米碳酸钙产品,并用透射电子显微镜和粉末X射线衍射仪对产品粒子进行了表征。
6) average particle diameter
平均粒径
1.
It was found that the average particle diameter(1 4～3 7?nm) of CdS powders is controlled by waterglass concentrations,prevailing crystal system whose particles were wrapped by non\|crystal CdS belon.
XRD检测表明它们的主要晶型趋于立方ZnS型 ,平均粒径为 1 4～ 3 7nm ,其颗粒尺寸受水玻璃浓度的控制 ;TEM检测显示CdS结晶颗粒包裹有非晶态CdS ,其CdS粉体呈较好的分散性 ;光谱分析结果表明所制备纳米CdS的能隙约为 3 1eV ,吸收光谱所产生的红移荧光现象可能与晶体CdS包裹有非晶CdS有
2.
The pneumatic conveying experiments for sand with average particle diameter 0.
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 on average 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BET比表面积、孔容、平均孔径和平均粒径的影响。
补充资料：调和平均粒径
分子式：
CAS号：
性质：在混合颗粒中，直径为d1、d2、…dn的颗粒的质量分率，分别为x1、x2、…xn，则混合颗粒的调和平均直径可按下式计算：
CAS号：
性质：在混合颗粒中，直径为d1、d2、…dn的颗粒的质量分率，分别为x1、x2、…xn，则混合颗粒的调和平均直径可按下式计算：
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条