Ⅰ. 单项填空　　1. Green represents life， growth， peace and environmental protection red is a symbol of good luck in many ......

Words:258 Minutes:5 Today it seems perfectly natural for us to shake hands when wegreet someone or say goodbye. But lik......

I had been teaching English for many years before I went to Americafor further study.As a teacher of English,one is usu......

This paper describes a fixed-fixed beam ohmic switch in series with a fixed capacitor as a replacement for a capacitive ......

Based on the three-phase theory proposed by Santos, acoustic wave propagation in a poroelastic medium saturated by two i......

Spirometry is one of the functional tests most used in respiratory medicine to assess lung function in health and diseas......

A French Traveler一名法国游客well but not perfectly.For one thing,his vocabulary was not large.One day,he was having a m......

A CO2 sensor for capnography, based on a hollow waveguide(HWG) and tunable diode laser absorption spectroscopy(TDLAS), i......

AB-8 resin was used as an adsorbent for the removal of trans-1,2-cyclohexandiol(CHD) from aqueous solutions.Batch experi......

We theoretically demonstrate that at certain frequencies two-dimensional dielectric photonic crystals(PCs)may be regarde......

Detection for deoxyribozyme(DNAzyme) cleavage usually needs complex and time-consuming radial labeling,gel electrophores......

Plasticizers that are generally used in plastics to produce flexible food packaging materials have proved to cause repro......

The main purpose of this study is to understand the stabilizing effect of ground-sills on the riverbed through a series ......

With the support from the National Natural Science Foundation of China,Prof.Wan Xiaobo and Prof.Lan Zhenggang’s researc......

The finite-dmerence time-domam(FDTD)method is proposed for analyzing the surface acoustic wave(SAW)propagation in two-di......

Shock tubes are devices in which the state of a gas is changed suddenly from one uniform state to another by the passage......

Energy management(EM) is a core technique of hybrid electric bus(HEB) in order to advance fuel economy performance optim......

A new pyrene derivative BF bearing a furan group was synthesized via a one-step reaction as a colorimetric and ratiometr......

Molecular dynamics simulations have been performed on the aqueous solutions of poly(vinyl methyl ether)(PVME) at various......

We present a 3-D finite element (FE) approach to find the optimal distribution of seismic reinforcement force to secure ......

Intracerebral injections of tracers or viral constructs in rodents are now commonly used in the neurosciences and must b......

Single-walled carbon nanotubes(SWNTs)are regarded as one of the most promising candidates as building blocks in the next......

Enantioselective extraction of hydrophobic clorprenaline(CPE) enantiomers from organic phase to aqueous phases with sulf......

A unified semi-analytical solution is presented for elastic-plastic stress of a deep circular hydraulic tunnel with supp......

For modal pushover analysis procedures, the model proposed by Ghobarah et al.(called the G model hereafter, 1999) has be......

你曾因为委屈和老师顶过嘴吗?你有想过拿你的破布娃娃和别人的瓷娃娃交换吗?你曾用武力抢过弟弟的泡泡糖吗?你有往哥哥身上扔过泥......

Two LICET transitions in Cs-Sr systems are suggested and the results of numerical calcu-lations of the transition probab......

Boundary conditions for the classical solution of the Terzaghi one-dimensional consolidation equation conflict with the ......

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Sumatra-Andaman Large Earthquake on Dec. 26,2004 generated not only the Indian Ocean Tsunami but also the Earth’s free ......

This paper aims to determine the strength properties of jointed rock masses by means of the homogenization method. To re......

Guangxi finds its own way to fight povertThough not perfectly flat, the new1.5-km gravel road in Tongle Village, Longan ......

1. The facts. On a particular day of July 1931,during the Haardt-Citroentrans-asiatic Expedition,I happened to collect,......

The stratigraphical conditions in which have been found the neo(?)thic remains from Tsitsihar are perfectly similar to ......

In this paper, we use the speed-gradient model proposed by Jiang et al. [Transp. Res. B 36 (2002) 405] tostudy the effe......

A high power collimated diode laser stack is carried out based on fast-axis collimation and stack packaging techniques.T......

The National Stadium, a major sports venue for the Beijing Olympic Games in 2008, stands on the southern tip of the cent......

The time-harmonic electromagnetic plane waves incident on a perfectly conducting obstacle in a homogeneous chiral enviro......

We present a systematic scheme to achieve both high birefringence and low confinement loss in index-guiding photonic cry......

The triangular-lattice highly birefringent photonic crystal fibers(PCFs) with gradually increasing diameter of the air h......

An American Tragedy is the masterpiece of Theodore Dreiser. It not only solidifies Dreiser’s reputation and position i......

A new type ultraflattened dispersion square-lattice photonic crystal fiber with two different air-hole diameters in clad......

This paper proposes a new method that reconstructs the information of specimen by using random phase shift step in digit......

Sr2ScAlO5:Eu2+,a red oxide phosphor with a perovskite-type structure,has been synthesized through a solid-state reaction......

The dispersion of Yb-doped fiber is measured by a spectral interferometric technique.The experimental verification is ac......

Electromagnetic(EM) scattering from a stack of two rough interfaces separating a homogeneous medium with a perfectly ele......

A compact terahertz (THz) wave collimator is proposed, which works under the frequency from 2.4 THz to 2.7 THz with a ph......

An efficient multiregion model is introduced to calculate the electromagnetic scattering from a perfectly electrical con......

This paper is concerned with the stability and superconvergence analysis of the famous finite-difference time-domain (FD......

A simple method of balun synthesis is proposed to estimate the balun structure in the operating frequency band.Then,a ca......