Turnout is the essential equipment on the railway,which also belongs to one of the strongest demanded infrastructural fa......

The evolvement and the building breakage of a residential natural gas leakage explosion accident happened in Beijing was......

High-speed stirred mills are utilized to grind particles below 10mm. Grinding sulphide minerals to as low as 10mm achiev......

Aim: To study the protective effect of N-Acetylcysteine (NAC)on exogenous hydrogen peroxide- and endogenous superoxide ......

In order to capture the mechanism of roadway instability in deep mines, a new approach of Physically Finite Elemental Sl......

This paper reports the extraction of aloe-emodin from aloe by microwave-assisted extraction.The effects of various facto......

Coarse aggregates are the major infrastructure materials of concrete-faced rock-fill dams and are consolidated to bear u......

Reservoir revetment in cold regions is often damaged by frost due to the joint action of low-temperatures and cryogenic ......

A semi-empirical gas entrainment model was proposed for the ventilated cavity in vertical pipe, based on which, a comple......

The particle breakage during specimen compaction had more significant influence on the position of the breakage critical......

Ethylene glycol, glycerol, sorbitol, formamide, and urea were used as plasticizers for the preparation of thermoplastic ......

Experimental investigations of the dilatancy and particle breakage of gravelly material from the Zipingpu concrete-faced......

The Zipingpu concrete-faced rockfill dam(CFRD)experienced strong ground motion from the 2008 Wenchuan earthquake.Separat......

A Discrete Element Method(DEM) model is developed to study the particle breakage effect on the one-dimensional compressi......

The aim of this study is to numerically investigate the influence of particle breakage on the mechanical behavior of gra......

学生要学好英语最大的障碍是单词的记忆，学生的单词量会影响着学生学习的兴趣，这样会影响学生的成绩。现在我们就如何有效的记忆英语......

AIM: To evaluate properties of bone quantity/quality using young non-obese Type 1(T1D)-diabetic(NOD) prone and syngenic ......

The photolysis of thymine in phosphate-buffered saline (PBS, pH 8.0) under the irradiation of medium pressure mercury la......

Objective:We studied the effects of Wortmannin (WM) on the proliferation and apoptosis of leukemia cells,and explore the......

一、参考译文铣切削是借助称之为铣刀的多刃刀具的转动对工件表面进行加工的金属切削工艺。原理上,铣刀的每一个刃齿其形状都相当......

Beryllium(Be) window is a key component of the ITER radial X-ray camera(RXC).The Be window presented in this paper has a......

The vacuum electronic device is the key components widely used in the fields of radar, navigation, electronic warfare an......

Through one pot reaction of C60 with organocopper/magne-sium reagent ( p - MeQ H4 )2 CuMgBr or ( m - MeC6 H )2 -CuMgBr ......

An abrupt ice and snow storm disaster which occurred in the spring of 2008 se-verely destroyed forests over a surprising......

【正】 The rapid growth of the pesticide output has promoted the development of the pes-ticide package industry.Constant......

Conductive polyvinylidene fluoride(PVDF)matrix composites filled with graphited fiber(GF)or carbon fiber(CF)were prepare......

Polyurea microcapsules containing NiCl2 were prepared by interfacial polymerization between diisocy- anate and water wit......

By using first-principles simulations based on time-dependent density functional theory,the chemical reaction of an HCl ......

SiCw/Al composite was fabricated through a squeeze cast route and cold rolled to about 30%, 50% and 70% re-duction in t......

The top-coal falling ability is a key factor to analyze for the application of coal mining with top-coal caving. Based o......

临床实践中,后路钉棒内固定系统存在置钉不准、神经或脊髓损伤、脑脊液漏、内固定断裂、椎弓根骨折等一系列并发症,其中内固定断裂......

The change in physical properties of wood pellets,with a focus on particle size distributions due to pellet breakage and......

Hardgrove grindability index (HGI) is an important indicator of coal grindability, and is one of the most important para......

Effect of Ni_2O_3 on DNA strand breakage and gene expression Effect of Ni_2O_3 on DNA strand breakage and gene expressi......

Study the level of DNA breakage in workers exposed to styrene by single cell gel electrophoresis Study the level of DNA......

A simulative analysis coupled with experiment on behaviors of a soil bed cut by a model bulldozer blade is carried out u......

In the axial tensile failure process of intraply hybrid composites,the breakage of some fibersmay lead to interfacial d......

A new model for liquid membrane mass transfer is presented.This model takes into account both the solute permeation thro......

We see two major trends in Particie Technology. First, the focus is shifted from unit operations towards functional pro......

Concrete containing short carbon-coated-nylon fibers (0.4-2.0 vol. pct) exhibited quasi-ductile response by developing ......

Electrochemical test technology and surface analysis method were employed to investigate the pitting corrosion of Cu-Zn-......

The natural clayey soils are usually structural and unsaturated,which makes their mechanical properties quite different ......

研究了短纤维增强复合材料(MMC)的蠕变损伤和失效的细观机理。采用微胞模型结合有限元软件ABAQUS 进行。基体的损伤失效由K-R 模型......

Planetary gear set is the critical component in helicopter transmission train,and an important problem in condition moni......

A multi-inclusion cell model is used to investigate the effect of deformation temperature and whisker rotation on the ho......

Graphite becomes the prevailing electrode material in electrical discharging machining (EDM)currently.Orthogonal cutting......

Particle surface characteristics, floc recoverability and fractal structure of alum-kaolin flocs were investigated using......

为深入开展半喂入式花生摘果装置作业机理、结构参数和作业参数优化等研究,设计了自动喂秧平台、控制系统、参数调节系统和保鲜库,......

Chemical vapor infiltration of carbon fiber felts with uniform initial bulk density of 0.47 g·cm-3 was investigated at ......

A particle breakage has a significant impact on the mechanical behavior of granular materials. In this paper, we present......