mechanical fraction是什么意思

网络释义

用法例句

Urban dust composition of grain diameters and its environmental effect;

城市灰尘粒径组成及环境效应——以西安市为例

On the basis of statistical calculations of fields data, the dependence between Yichang s and Datong s annually average sediment discharge and that of different grain size fraction have been analyzed by considering the local income.

依据实测资料,统计计算了宜昌、大通及中间水文站各粒径组泥沙多年平均输沙量。

A series of batch experiments were carried out to determine the adsorption and desorption of atrazine by brown soil different particle-size separates.

采用批平衡实验,研究阿特拉津在棕壤不同粒径组分上的吸附一解吸行为。

The methods of large-eddy simulation,the motion of sand particles with mixed sand sizes and immersed boundary are used to simulate the formation and evolution of sand ripples and sand dunes.

采用大涡模拟和混合粒径群体沙粒运动算法结合内置边界方法来模拟沙波纹与沙丘的演化和发展,在平坦沙区形成沙波纹的同时,在沙丘上同样也出现了沙波纹的结构,即沙波纹的发展出现了多尺度现象。

The dispersion of nanoparticles is regarded as the guide of heat transfer enhancement,dispersion stability was token by Zeta potential and hydrodynamic size of nanoparticles in aqueous coating system,stability of aqueous ZnO was studied under different pH values,different dispersant types and mass fraction,then the function mechanism was analyzed.

纳米粉体的分散性能对提高分散体系的导热性能具有重要意义,试验选用纳米粒子在水介质中的Zeta电位和水合粒径来表征体系的分散稳定性,探讨不同分散剂种类及其浓度以及不同pH条件对ZnO水悬浮液稳定性的影响,并分析其作用机理。

Study on flow conductivity of proppant with different size combination

不同粒径组合支撑剂导流能力实验研究

Monthly Runoff Forecasting by WANN Model based on PSO

粒子群小波人工神经网络组合模型的径流预测

Size Distribution of Nanoparticles Self-Assembly Encapsulation Emulsion

纳米粒子自组装胶囊化乳液粒径分布的研究

Vertical distribution models of sand transport rate of different grain size groups in coastal aeolian mass flux

海岸风沙流中不同粒径组沙粒的垂向分布模式

Texture is the key to naming the major clastic rocks. For example, conglomerate is composed of fragments larger than 2 millimeters.

结构是碎屑岩定名的重要因素，例如，砾岩是由粒径大于两个毫米的碎屑物组合而成;

Size Distribution of n-Alkanes and Polycyclic Aromatic Hydrocarbons and Molecular Marker in Polar Portion in Aerosol from Typical Area of Guangzhou;

广州市典型地区气溶胶中烃类化合物的粒径分布特征及极性组分的分子标志物研究

Simulation of Particle Size Distribution in Gas Phase Ethylene Polymerization Fluidized-Bed Reactor;

乙烯气相聚合颗粒粒径分布模型的研究

Synthesis of Small Size Mono-disperse Fe_3O_4 Nanoparticles by Co-precipitatio

共沉淀法合成小粒径单分散Fe_3O_4纳米颗粒

The Experimental Research on the Anti-reflective Cracking Performance of Large-size Asphalt Mixture;

大粒径沥青混合料抗裂性能试验研究

The Relationship Between Particle Size Distribution and the Barium Carbonate Synthetic Way;

合成方法与BaCO_3粒径分布的关系

Study of Control Particle Size in Styrene-Acrylic Emulsion Polymerization

苯丙乳液聚合中粒径大小的控制研究

Particle Size Effects of Raw Materials on YAG Synthesis by Solid State Reaction

原料粒径对固能反应合成Y_3Al_5O_(12)的影响

The Test Study on the Large-Stone Asphalt Mixes

大粒径沥青碎石(LSAM-25)混合料试验研究

Effect of Al_2TiO_5 particle size on Al_2TiO_5-ZrO_2 composite properties

Al_2TiO_5粒径对Al_2TiO_5-ZrO_2复合材料性能的影响

Summary of Application of Particle Swarm Optimization to Unit Commitment

粒子群算法在机组组合中的应用综述

Study on Effects of Components and Particle Sizes on Pore Properties of Media;

组成成分及颗粒粒径对基质孔隙特性的影响研究

The Effect of the Size of Coating Components in the Performance of D600R Surfacing Electrode;

药皮组分粒径对D600R堆焊焊条性能的影响

The Influence of Particle Size on Property of Polymer Composites Filled with Gangue

粒径对煤矸石填充聚合物复合材料性能的影响