elliptical相关论文
Two Zosterophyll Plants from the Lower Devonian(Lochkovian)Xitun Formation of Northeastern Yunnan,Ch
Two zosterophyll plants are described from the Lower Devonian(Lochkovian) Xitun Formation of Qujing,Yunnan,China.Xitunia......
Measurements of topography at the segment of bifurcation between the South Channel and North Channel in the Yangtze Estu......
<正> It is desirable to divide the frequency band into small bands over which an elliptical waveguide will possess an tr......
In part I of this series, experimental investigation in EPFM (elastic-plastic fracture mechanics) had been discussed. In......
The O-line model is usually applied to precipitation crystallography.Its application to investigation of martensite crys......
A numerical method for solving the two-dimensional shallow water equations was presented. This method was based on the t......
The numerical simulation of extrudate swell is significant in extrusion processing.Precise prediction of extrudate swell......
A fluorescent pyrene derivate,N-allyl-1-pyrenemethylammonium hydrochloride(APA+),was reported to form a stable host–gue......
Based on the variational principle, a continuum theory of surface elasticity and new boundary conditions for quasicrysta......
A high quality-factor(Q) cavity based on a one-dimensional(1D) photonic crystal with gradated elliptical holes was desig......
In this paper, a novel photonic crystal fiber(PCF) with high birefringence and nonlinearity is designed. The characteris......
Ensuring that water flows smoothly into spillways is the main challenge in spillway design.In order to help avoid the fo......
A piezoelectric driving method for rover vehicles is proposed in this paper. Employing this method, a tracked vehicle dr......
Molecular dynamics method is used to study the conformation behavior of a semi-flexible polymer chain confined in a cyli......
Simultaneous determination of Repaglinide and Irbesartan in biological plasmas using micellar enhanc
A highly sensitive and selective 3D excitation-emission fluorescence method has been proposed to rapidly quantify the co......
From the view-point of grammar, it often happens in English sentence that some words may be omitted. The structure of t......
Numerical predictions and stability analysis of cavitating draft tube vortices at high head in a mod
Draft tube vortex is one of the main causes of hydraulic instability in hydraulic reaction turbines,in particular Franci......
Cornus stolonifera is a ornamental trce species which was introdced to China in 1982. During the period of ten-year cxpe......
Based on the kinematic relationship of the drill, drill point and workpiece and the coordinate systems founded,the mathe......
I. INTRODUCTIONThrough the study of the Ordovician stratigraphy and palaeontology of N China made by A. W. Grabau, Y. C......
Based on investigation of 53 gaps and 25 quadrats (15m×15m each) of non-gap closed stand in an old-growth tropical mon......
The modified CCW relation is applied to analyzing the shock, detonation wave converging and the role of chemical reactio......
An improved type of elliptical jacket polarization maintaining fiber was developed by using a modified chemical vapor de......
Experimental study has been carried out under a clear-water scour condition to explore the local scour around semi-ellip......
A fiber laser based on broadband C-band fiber grating (CFG) and high birefringence (HiBi) fiber loop mirror (FLM) is dem......
A kind of microstructured polymer optical fiber with elliptical core has been fabricated by adopting in- situ chemical p......
Distribution characteristic of scattering field for an ellipsoidal target irradiated by an electroma
It is of great importance for engineering applications to obtain the expression of scattering field for an ellipsoidal t......
Design of a compact polarization beam splitter based on a deformed photonic crystal directional coup
In this paper a compact polarization beam splitter based on a deformed photonic crystal directional coupler is designed ......
In order to diagnose the laser-produced plasmas,a focusing curved crystal spectrometer has been developed for measuring ......
By means of the weakly guiding approximation,the mode spot sizes Wx and Vv~ of the fundamental mode along the semimajor(......
Detection of the X-ray spectra of imploding neon Z-pinch with elliptically bent mica crystal spectro
A wide variety of X-ray and extreme ultraviolet diagnostics are being developed to study on Yang acceler- ator.An ellipt......
A High birefringence microstructure fiber with four big elliptical air holes is investigated by using the finite-differe......
We report the direct generation of 75-femosecond pulses from a stretched-pulse fiber ring laser using the nonlinear pola......
利用电子束光刻和各向异性湿法腐蚀技术,在(100)SOI衬底上成功地制备出晶面依赖的硅纳米结构.这项技术利用了硅的不同晶面在碱性腐......
Reviewing the technology development of imaging the global FUV auroral morphology,we introduce a space-based FUV auroral......
This paper presents the anisotropic optical feedback of a single frequency intra-cavity He-Ne laser.A novel phenomenon w......
Highly birefringent extruded elliptical-hole photonic crystal fibers with single defect and double d
Highly birefringent elliptical-hole photonic crystal fibers (PCFs) with single defect and double defects are proposed, w......
提出了一种通过横向压缩普通圆孔光子晶体光纤,得到双缺陷椭圆孔光子晶体光纤的方法.所提出的双缺陷光子晶体光纤具有高双折射率,......
Graded negative refractive index-based photonic crystal (PC) lenses are designed by gradually modifying the sizes of air......
A new collimation system,the heteroaxial double half-elliptical cylinder lens(HDHECL),is proposed based on the raytracin......
带状电子注真空器件是一种很有潜力的高功率微波毫米波器件,其中带状电子注的稳定传输和聚焦是该器件的关键。针对带状电子注的聚......
A novel Smith-Purcell(S-P) free electron laser composed of an electron gun,a semi-elliptical resonator,a metallic reflec......
To understand the surface morphology evolution of fused silica induced by 10.6-μm CO2 laser irradiation at different pa......
The probability density function of irradiance fluctuations in a turbulent atmosphere remains an open topic of research.......
Light propagation properties of two-dimensional photonic crystal channel filters with elliptical mic
Light propagation through a channel filter based on two-dimensional photonic crystals with elliptical-rod defects is stu......
Analysis of the deviation of the diffracted beams caused by acousto-optic tunable filter in multispe
The deviation caused by acousto-optic tunable filter(AOTF) diffraction in multispectral imaging is analyzed through deri......
A new highly birefringent octagonal photonic crystal fiber(Hi-Bi OPCF) with a rectangular array of four elliptical airho......
A numerical study was conducted for the fully developed laminar flow in rotating curved elliptical pipe. Due to the rota......
Photoinjector beam quality improvementby shaping the wavefront of a drive laser with oblique inciden
To increase the quantum efficiency(QE) of a copper photocathode and reduce the thermal emittance of an electron beam,a d......
