The divergence of the laser beam generated by Quantum Cascade Laser is relative large,which is conducive to the process ......

As a major intemational effort to understand the nature of the genetic diversity within O.sativa, a core collection of 3......

Long terminal repeat retrotransposons (LTR-RTs) are the major DNA components in flowering plants.Most LTR-RTs contain di......

We suggest an improved variational-perturbation (IVP) method based on integral equation and applying it to helium-like i......

Motivation towards development of methods related to Change Point Estimation in long historical data has received a grea......

Based on the sample of 170 listed companies that merger & acquisitions(M&A) occurred in Shanghai and Shenzhen A-share ma......

提出了一种对姿态稳健的鼻尖点快速定位算法。在局部基准坐标(LRF)下计算顶点的平面距离能量,并设计了一种新的迭代筛选算法,计算......

Given n≥2 and α≥1/2,we obtained an improved upbound of Hausdorff\s dimension of the fractional Schrodinger operator;......

Pheromonal communication plays a key role in the sociosexual behavior of rodents.The coadaptation between pheromones and......

Fabaceae are the third largest angiosperm family,with 765 genera and~19500 species.They are important both economically ......

　　This paper mainly analyzes the reflection characteristics of Gaussian-laser pulse on the planar target with a slope ......

　　The paper investigates the dynamical behaviors of single-walled carbon nanotube (SWCNT) in water, focusing on the ef......

The research work was undertaken to identify the extent of genetic diversity in different parameters of wheat related to......

In view of the shortage of traditional life prediction methods for machine tools,such as low accuracy of life prediction......

A universal method of molecular dating that can be applied to all families and genera regardless of their fossil records......

A new Eocene catostomid genus and species,Plesiomyxocyprinus arratiae, is described from Huadian, Jilin Province, northe......

Hepatitis B virus(HBV)is the leading cause of liver disease and infects an estimated 240 million people worldwide.It is ......

根据先前曾提出的单楔板旋转原理与实验研究,一种定量检测光学系统离焦量及激光发散度的仪器已经研制成功.本文概括地介绍了该仪器......

Cyprinidae is the largest fish family in the world and contains about 210 genera and 2010 species. Appropriate DNA marke......

...

The silkworm,Bombyx mori,played an important role in the old Silk Road that connected ancient Asia and Europe.However,to......

【正】 Following an expired agreement by the end of 2009 between PetroChinaCompany Ltd.and Woodside signed in September ......

Bacillus thuringiensis(B.thuringiensis) is a soil-dwelling Gram-positive bacterium and its plasmid-encoded toxins(Cry) a......

We present numerical calculation of the impact of electron-electron interaction on the behavior of density of states and......

The construction,performance characteristics and application of a new bismuth(Ⅲ) PVC membrane electrode based on 5-(3,4......

The particular challenges of modeling control systems for the middle route of the south-to-north water transfer project ......

Objective To analyze the genetic characterization of the complete genome from a human coxsackievirus B3strain A103/09 is......

Because of the thermal effect of window of high power fast axial flow CO_2 laser, the coupler will be distorted and beco......

A novel theoretical model of thermal diffusion has been established to study thermal interaction between two neighboring......

A new genus and species of nodosaurid dinosaur: Zhejiangosaurus lishuiensis gen. et sp. nov. is erected herein. It is ch......

汉语“意见”和“问题”这两个概念是有区别的。英语里表示这两个概念的词是相当多的。如果是在还不十分清楚“意见”和“问题”......

This paper establishes the classic linear model of signal of the MIMO radar system with distributed apertures. Based on ......

As China fights its way out of the financial downturn, the developed world, primarily the United States and Europe, is s......

The ultra-fast laser, wavelength is 756 nm and the pulse width is 100 fs. When it transferred some distance, self-focusi......

A novel large optical cavity laser diode,which consists of multi-active regions cascaded together through tunnel junctio......

An optical fiber bundle array coupling module with high output power is presented in this paper. The device integrated t......

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

Theoretical analysis of the fiber-lens TEC (Thermally Expended Core) /Coreless/GRIN (Graded-Index) based on thin lens eq......

The three-dimensional (3D) pump intensity distribution in medium of the laser diode (LD) pumped high average power heat ......

An electro-optic Q-switched Nd:YAG ceramic laser operating at kHz repetition rate was demonstrated. Thermal induced lens......

Nodule samples were collected from four alder species: Alnus nepalensis, A. si-birica, A. tinctoria and A. mandshurica g......

The robust phase locking of a linear diode array consisting of 49 broad-area emitters was demonstrated. The single lobe ......

In this paper we report a recent study on the beam self-cleaning behavior occurred during the ultrashort laser pulse fil......

The approximative formula for the far-field diffraction of a Gaussian beam through a circular aperture is obtained by us......

We investigate the Ne-like Cr x-ray laser at 28.6 nm by using a modified 1D lagrangian hydrodynamic code MED103 coupled ......

The propagation and transformation of multi-directional and uni-directional random waves over a coast with complicated b......

Far-field intensity and diffraction efficiency of the blazed reflection gratings illuminated with broad-bandwidth and di......

Soft fault compensation plays an important role in mobile robot locating, mapping, and navigating. It is difficult to ac......

The intrinsic features involving a circularly symmetric beam profile with low divergence,planar geometry as well as the ......

We report the fabrication of a novel high-power vertical-cavity surface-emitting laser (VCSEL) with radial bridge electr......