In this paper,a solidly mounted resonator(SMR)was designed with nanocrystalline diamond(NCD)as the high acoustic impedan......

The fabrication and characterization of a hybrid Silicon-PDMS micropump based on MEMS technology is presented. The micro......

The flow inside a channel with surface mounted ribs is studied by numerical simulation and experimental flow visualizati......

4亿多块古瓷片、5000多个古瓷瓶、4000多个古瓷盘和碗、300多尊石狮子、300多尊佛造像、20多吨天然水晶石、长达5年的创作、1个狂......

In order to simulate the behavior of gas hydrate formation and decomposition,a 3-Dimension experimental device was built......

An analytical method was proposed to analyze the radiation and diffraction of water waves by a bottom-mounted circular c......

Experiments were carried out to investigate the liquid flow distribution at high gas/liquid ratios in a cold model monol......

China will use jade in the medals for the Beijing Olympics in order to symbolize the nation’s culture On March 1,artisa......

This paper introduces a study of improving both the load-capacity and manufacturing accuracy of Concave-convex profile ......

An analytical method was developed to study the wave diffraction effects on arc-shaped bottom-mounted breakwaters. The b......

A surface mounted device (SMD) microwave ceramic band-pass filter for mobile communication with a new coupling structure......

Opinions often differ among coal petrographers as to the relative ad-vantages of the thin sections and the polished sec......

The structure of the title compound has been determined by X-ray analysis. The crystals of this coiapound are monoclini......

一、同位关系的语法分析遇到同位语,一定要搞清它的本位语,即与句中哪个部分同位。上期阅读材料最后一句是: New materials for b......

一、分析阅读Machining crowned work with aflycutter in a millIn the process of machining extrusion dies,I found that the......

Two Nd:YAG lasers operating at 1064 nm are separately servo-locked to two vertically mounted ultra-stable cavities. The ......

A violet laser diode (LD) structure is grown on a free-standing c-plane GaN substrate and 4 μm×800 μm ridge waveguide......

A novel asymmetric broad waveguide diode laser structure was designed for high power conversion efficiency(PCE).The inte......

This is the fourth part of a series of papers on Chinese Trichogrammatidae. 3 newspecies of the genus Megaphragma Timbe......

In order to analyze the thermal characteristics of the cavity facet of a semiconductor laser,a home-built near-field sca......

The influence of external optical feedback(OFB) on the light-current characteristics of the vertical-cavity surface-emit......

DevelopedbyNo.4PetroleumMachineryFactoryunderJianghanPetroleumAdministraion,SNQ80-26skid-mountedcementingfracturingunitf......

This paper provides an analytical approach to determine the optimum pitch by utilizing a thermal resistance network,unde......

We present a 940 nm quasi-continuous wave semiconductor laser designed as a building block for high-power fiber coupled ......

Higher mode excitation is very serious in the relativistic klystron amplifier,especially for the high gain relativistic ......

The radiation emission(RE) of multilayer printed circuit board(PCB) will cause electromagnetic compatibility problem. An......

We demonstrate continuous-wave(CW) high power-efficiency terahertz quantum cascade laser based on semiinsulating surface......

Targets have been developed to measure supersonic radiation transport in aerogel foams using absorption spectroscopy.The......

On the basis of analysis of structure and properties, halloysite, a natural tubular mineral, was developed for an enviro......

Miniaturization of electronic package leads to high heat density and heat accumulation in electronics device, resulting ......

An efficient method to mount a coupled silica microsphere and tapered fiber system is proposed and demonstrated experime......

EVER since ancient times Shanghai people have pursued beauty. The Shanghai History Museum, mounted an exhibition entitl......

It was rainy season in Kanazawa, the seat of the government of Ishikawa Prefecture, Japan in the latter half of June. Th......

MWD todayEastman Whipstock, Inc.’s Pilot tool employs a sole-noid-operated valve to generate negative, or low pres-sure......

With the increase of terrorist bomb attacks on buildings, there is a need to develop advanced retrofitting techniques to......

During the non-landing measuring of vehicle mounted theodolite, especially under high-speed tracking measurement, the mi......

In this paper,a stabilized finite element technique,actualized by streamline upwind Petrov-Galerkin(SUPG) stabilized met......

There has been a strong interest in the use of Phase Change Materials (PCMs) for the transient thermal abatement of high......

The application of fiber reinforced plastic(FRP),including carbon FRP and glass FRP,for structural repair and strengthen......

This paper presents an experimental investigation of the influence of a transversal flow deflector on the cooling of a h......

当前,机动和严密的防空系统迫使战场上的直升机进行完全地隐蔽,以免被探测到.然而,如果直升机悬停在树林中间,要探测到目标,必须清......

An inefficient cellular immune response likely leads to chronic hepatitis C virus (HCV) infection. Resolution of chronic......

Objective:To identify the acari present on pet Burmese pythons in Malaysia and to determine whether there is any potenti......

We have found a kind of new defect in high SHG efficiency crystal KTP.On the edge of the defect,large scale of enhanced......

Applying the wavenumber frequency transfer function to describe the whole system including tht elastic cylindrical shell......

In view of difficulties concerned with direct measurement of excitations inside source equipments and their significant ......

FORTY-FIVE minutes west of Las Vegas,people may encounter a sight to lift their sunken:a sea of347 000 mirrors,reflectin......

Objective To generate eukaryotic expression vector of siRNA specific for β-site APP cleaving enzyme(BACE),and detect th......

Single quantum wells(SQWs)of GaAs/Al_xGa_(1-x)As have been investigated as photoelectrodesin photoelectrochemical cells......

The performance of a Venturi tube used in wet gas flow have been explored mainly under higher-pressure condition,but ver......