improvement 可数吗

下面是小编帮大家整理的improvement 可数吗，本文共8篇，希望对大家带来帮助，欢迎大家分享。本文原稿由网友“Josephine”提供。

篇1：improvement 可数吗

We expect to see further improvement over the coming year.

我们期望来年会有更进一步的.改善。

We shall be looking for an improvement in your work this term.

我们期待你这学期功课有进步。

They applied for a home improvement loan.

他们申请了房屋修缮贷款。

Predictions of an early improvement in the housing market proved false.

认为房屋市场很快就有好转的预测结果证明是错误的。

Is this situation not susceptible of improvement by legislation?

这种状况有无可能通过立法加以改善？

篇2：The Improvement of Bulk-Heterojuncti

The Improvement of Bulk-Heterojunction Order in Polymer Photovoltaic Device

Abstract：The blend morphology and vertical arrangement are critical to the performance of organic bulk-heterojunction photovoltaic devices.In the present paper,the authors proposed a new annealing method that controis the blend morphology and vertical arrangement of two materials by means of simultaneously applying external electrical field and violet irradiation on the active layer of poly(3-hexylthiophene) (P3HT) and [6,6]-phenyl C61-butyric acid methyl ester (PCBM) during annealing process.By using this annealing method,the power conversion efficiency increased by 36％,which was caused by vertical phased-separated blend of crystalline P3HT and PCBM and better charge extraction of electrodes.X-ray photoelectron spectroscopy (XPS) was measured to prove more fullerene derivatives at the organic/cathode interfaces by using this annealing method.The X-ray diffraction (XRD) analysis and UV-Vis absorption spectrum analysis also revealed more ordered polymer crystallization. 作者： Author： YUAN Dan  CHEN Zhi-jian  XIAOLi-xin  MULi-ping  QU Bo  GONG Qi-huang 作者单位： State Key Laboratory for Mesoscopic Physics and Department of Physics, Peking University, Beijing 100871, China 期 刊： 光谱学与光谱分析   ISTICEISCIPKU Journal： Spectroscopy and Spectral Analysis 年，卷(期)： , 31(12) 分类号： O482.7 Keywords： Polymer photovohaic device    Bulk-heterojunction    Annealing method    机标分类号： O6 TN3 机标关键词： fullerene derivatives    conversion efficiency    spectrum analysis    blend    active layer    performance    X-ray    materials    UV-Vis    during    better    power    paper    means    poly    acid    XRD    XPS    two    new 基金项目： This work was financially supported by the National Natural.Science Foundation of China under grant No，the National Basic Research Program of China under grant No The Improvement of Bulk-Heterojunction Order in Polymer Photovoltaic Device[期刊论文]  光谱学与光谱分析 --2011, 31(12)The blend morphology and vertical arrangement are critical to the performance of organic bulk-heterojunction photovoltaic devices.In the present paper,the authors proposed a new annealing method that c...

篇3：Improvement of the SLP simulation in

Improvement of the SLP simulation in the coupled AGCM-ocean surface wave model

The coupled atmosphere-ocean general circulation models (CGCM) are now becoming the indispensable tools for the climate study. However, most models still suffer from unrealistic simulations. One problem is the troublesome climate drift. It may come from some unresolved aspects. One possibility is the poor air-sea surface flux description now adopted in CGCM. The commonly used solution for this problem is the so-called flux correction[1].

作 者：YU Weidong LI Zhaoxin YUAN Yeli  作者单位：YU Weidong(Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;Graduate School of Chinese Academy of Sciences, Beijing 100049, China;Laboratory of Marine Science and Numerical Modeling, First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China)

LI Zhaoxin(LMD/CNRS, Univ. Paris 6, Paris, France)

YUAN Yeli(Laboratory of Marine Science and Numerical Modeling, First Institute of Oceanography, State Oceanic Administration, Qingdao 266061, China)

刊 名：科学通报（英文版）  SCI英文刊名：CHINESE SCIENCE BULLETIN 年，卷(期)： 50(20) 分类号：P7 关键词： 

篇4：Improvement of Renormalization Group

Improvement of Renormalization Group for Barenblatt Equation

We construct a Hartree-Fock (self-consistent)-like algorithm with renormalization group (RG) approach to calculate the anomalous dimension in a nonlinear diffusion equation. We find that our result improves the original RG work because we include the effect of Heaviside function.

作 者：TU Tao CHENG Geng LIU Jian-Wei  作者单位：TU Tao(Center for Advanced Study, Tsinghua University, Beijing 100084, China)

CHENG Geng(Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China;CCAST (World Laboratory), P.O. Box 8730, Beijing 100080, China)

LIU Jian-Wei(Department of Modern Physics, University of Science and Technology of China, Hefei 230026, China)

刊 名：理论物理通讯（英文版）  ISTIC SCI英文刊名：COMMUNICATIONS IN THEORETICAL PHYSICS 年，卷(期)： 42(8) 分类号：O4 关键词：nonlinear diffusion   renormalization group   iterative approach  

篇5：Improvement of Injection-Locked VCSE

Improvement of Injection-Locked VCSELs for Analog and Digital Communication Systems

VCSEL Injection locking is demonstrated to increase laser bandwidth and reduce non-linearity and chirp.All these properties enhance analog and digital modulation performance.

作 者：Chih-Hao Chang Lukas Chrostowski Connie J. Chang-Hasnain  作者单位：Department of Electrical Engineering and Computer Science, University of California, Berkeley, CA 94720, USA 刊 名：光学学报  ISTIC EI PKU英文刊名：ACTA OPTICA SINICA 年，卷(期)： 23(z1) 分类号：O4 关键词： 

篇6：A Case Study of the Improvement of S

A Case Study of the Improvement of Soil Moisture Initialization in IAP-PSSCA

A prediction system is employed to investigate the potential use of a soil moisture initialization schemein seasonal precipitation prediction through a case study of severe floods in . The results show thatdriving the model with reasonable initial soil moisture distribution is helpful for precipitation prediction,and the initialization scheme is easy to use in operational prediction.

作 者：郭维栋 王会军  作者单位：郭维栋(Key Laboratory of Regional Climate-Environment for East Asia, START Regional Center for Temperate East Asia, Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029)

王会军(Institute of Atmospheric Physics, Chinese Academy of Sciences, Beijing 100029)

刊 名：大气科学进展(英文版)  ISTIC SCI英文刊名：ADVANCES IN ATMOSPHERIC SCIENCES 年，卷(期)：2003 20(5) 分类号：P4 关键词：soil moisture   climate change   precipitation prediction  

篇7：Improvement of Input Power Dynamic R

Improvement of Input Power Dynamic Range for Wavelength Converters Based on Cross-Gain Modulation

A technique for improving the input power dynamic range of wavelength converters based on cross-gain modulation in a semiconductor optical amplifier is presented.

作 者：Joon-Hak Bang Je-Soo Ko  作者单位：Electronics and Telecommunications Research Institute, Korea 刊 名：光学学报  ISTIC EI PKU英文刊名：ACTA OPTICA SINICA 年，卷(期)： 23(z1) 分类号：O4 关键词： 

篇8：Rotor wake capture improvement based

Rotor wake capture improvement based on high-order spatially accurate schemes and chimera grids

Abstract：A high-order upwind scheme has been developed to capture the vortex wake of a helicopter rotor in the hover based on chimera grids.In this paper,an improved fifth-order weighted essentially non-oscillatory (WENO) scheme is adopted to interpolate the higher-order left and right states across a cell interface with the Roe Riemarm solver updating inviscid flux,and is compared with the monotone upwind scheme for scalar conservation laws (MUSCL).For profitably capturing the wake and enforcing the period boundary condition,the computation regions of flows axe discretized by using the structured chimera grids composed of a fine rotor grid and a cylindrical background grid.In the background grid,the mesh cells located in the wake regions are refined after the solution reaches the approximate convergence.Considering the interpolation characteristic of the WENO scheme,three layers of the hole boundary and the interpolation boundary are searched.The performance of the schemes is investigated in a transonic flow and a subsonic flow around the hovering rotor.The results reveal that the present approach has great capabilities in capturing the vortex wake with high resolution,and the WENO scheme has much lower numerical dissipation in comparison with the MUSCL scheme. 作者： 徐丽[1]  翁培奋[2] Author： Li XU[1]  Pei-fen WENG[2] 作者单位： School of Mathematics and Physics, Shanghai University of Electric Power,Shanghai 200090, P. R. China;Shanghai Institute of Applied Mathematics and Mechanics,Shanghai University, Shanghai 200072, P. R. China 期 刊： 应用数学和力学（英文版）   EISCI Journal： Applied Mathematics and Mechanics 年，卷(期)： 2011, 32(12) 分类号： V211.3 Keywords： hovering rotor,vortex wake    Navier-Stokes equation    chimera grid    weightedessentially non-oscillatory (WENO) scheme    机标分类号： TP3 O1 机标关键词： background grid    upwind scheme    WENO scheme    numerical dissipation    boundary condition    conservation laws    helicopter rotor    high resolution    transonic flow    capabilities    performance    comparison    interface    improved    approach    results    three    paper    cells    based 基金项目： the National Natural Science Foundation of China Rotor wake capture improvement based on high-order spatially accurate schemes and chimera grids[期刊论文]  应用数学和力学（英文版） --2011, 32(12)徐丽  翁培奋A high-order upwind scheme has been developed to capture the vortex wake of a helicopter rotor in the hover based on chimera grids.In this paper,an improved fifth-order weighted essentially non-oscilla...

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