It was found that the loaded metal particles can decrease the dielectric loss of the ferroelectric material/polymer composite clearly excpect for the increase of its dielectric constant.
发现金属粒子的加入除了可以提高铁电体/聚合物复合材料的介电常数外,还可以非常明显地降低其介质损耗。
Two types of oxide particles supported on multi-walled carbon nanotubes prepared by heat treatment process were used as catalysts for the synthesis of carbon encapsulated metal particles by chemical vapor deposition method.
通过热处理在多壁纳米碳管上负载2种金属氧化物颗粒,以其为催化剂,用化学气相沉积法制备碳包覆金属粒子,并利用XRD、TEM、FESEM和EDS对催化剂和产物的物相组成、形貌和结构进行表征。
In order to understand the combustion behavior of metal particles suspended in air,two burning ratios(R_(mp) and R_(bp)) were defined to judge the combustion phase of a metal,and the combustion phases of several metals were analyzed based on the values of R_(mp) and R_(bp).
实验结果表明:熔点及沸点不同的轻、重金属粒子在空气中的燃烧特性绝然不同,由实验验证得到的铁和铝微粒子的燃烧反应相态与理论预测结果一致。
This paper analyzes metal particles in WF6 according to the special characteristic of WF6.
结合六氟化钨的性质,对六氟化钨中的金属粒子进行分析。
The dependence of electrorheological conduct of metal particle/insulating oil system on the frequence of applied electric field is also investigated.
运用偶极近似分析颗粒和液体的电导率对电流变液性质的影响，研究金属颗粒一绝缘液体体系的电流变行为对外场频率的依赖关系，结果发现电流变体系在显示电流变效应的同时也显示复杂的电导效应，电流变液的电流变行为与其导电行为有一个关系。
When the size of a metal particle is close to nano-grade and the particle is regarded as a small ball,the results show that the polarizability has a cubic radius factor,the ball radius is less than the electron mean free path,and the electronic damping rate depends on the ball radius.
基于金属纳米材料的异常光学现象,考虑了束缚电荷作用的情况,从理论上推导出在光波照射下金属纳米颗粒的极化率与颗粒尺度关系的结果,进而得到金属颗粒对光波的吸收率,并讨论颗粒尺度对极化率和吸收率的影响,即当金属粒子尺寸达到纳米级时,将金属粒子看作纳米小球,小球极化率出现半径的立方因子,且小球半径小于电子平均自由程,电子的衰减因子受小球半径的制约。
DESCRIPTION Compact stemy metal with silver grey metallic luster. It is readily oxidized in the air.
说明细密的粗粒状金属，具有银灰色金属光泽。在空气中易被氧化。
Synthesis and Characterization of Metal Nanoparticles with Controllable Size and Shape;
金属纳米粒子的尺寸和形状可控合成及其表征
Emulsifying Effect of Layered Double Hydroxides on Oil-Water Systems as Microparticules;
层状双羟基金属复合氧化物的微粒乳化作用
Microwave Magnetic Properties and Microwave Absorption Properties of Plate-like Metal and Alloy Nanoparticles;
片状磁性金属及合金纳米颗粒的微波磁性与微波吸收特性研究
Microwave Magnetic Properties of Magnetic Metal and Alloy Nanoparticles with Different Shapes
不同形状的纳米磁性金属及合金颗粒的微波磁性研究
Feet:The base of a piece of metal type.
字脚:金属字粒的底部。
LL group chondrite
低铁低金属群球粒陨石
pellet extrusion
颗粒金属挤压成型法
Study on Size Effects and Shape Effects of Thermodynamic Properties of Metallic Nanoparticles;
金属纳米微粒热力学性能的尺寸效应和形状效应研究
Enrichment of Heavy Metals in Particulate Organic Matter in a Lead/Zinc Mining Contaminated Soil;
铅锌矿污染土壤中颗粒状有机质对重金属的富集作用
Research Status of Diffusion Metallizing Technique for Non-ferrous and Alloy
有色金属及合金渗金属技术研究现状
PHYSICAL FEATURES:SILVER GREY SPONGE METAL , DELIVERED SIZE OF 3-25MM, LESS THAN 5% UNDERSIZE OF 3MM.
物理状态：银灰色海绵状金属。交货粒度要求3—25毫米，小于3毫米的物料不超过5%。
unwrought button metal alloys (zinc predominating)
未锻造的金属合金粒（锌是主要成分）
The metal can be made to thread or the shape of any necessaries.
金属能制成金属线或任何需要的形状。
metal binding finger
金属结合指（状结构）
constrained geometry metallocene
限制几何形状的茂金属
Something resembling a wire, as in slenderness or stiffness.
金属线状物如在细或坚韧方面象金属线的东西，金属丝状物
chronic disease caused by inhaling metallic or mineral particles.
由于吸入金属颗粒而导致的慢性