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The research is financially supported by the National Natural Science Foundation of China and Aeronautics Science Foundation.

本课题的工作得到了国家自然科学基金和航空科学基金的资助。

AIM: To evaluate the efficacy of Esculin and Digitalisglycosides Eye Drops in treating asthenopia after laser treatment.

作者:李立梅,郑建龙,施晓敏,李彤,肖建华,邓安妮作者单位:(515041)中国广东省汕头市,汕头大学·香港中文大学联合汕头国际眼科中心基金项目:中国国家自然基金资助项目

But the problem lies in the fact that the Fund's primary duty is to fund holders fiscal agent, and should fulfill their duties according to the agreement to fund the creation of maximizing the proceeds of the holder.

但问题在于,基金的主要职责是基金持有人的财政代理人,并应履行职责,根据协议,资助最大化持有人创造收益。

In one of his last interviews Mr Merckle bristled at comparison between his firm and hedge funds, telling the Frankfurter Allgemeine Zeitung, a German newspaper, that he was trying to fund sound companies, but had been "lumped together with hedge funds."

在他最后接受的一次采访中,默克尔先生对将他的公司和对冲基金相提并论的做法十分恼火,他告诉德国一家名叫《法兰克福汇报》的报纸,他设法资助优质公司,却"被认为和对冲基金是一丘之貉"。

That synergistic action was not performed through pathway of IL-2 secretion, and need no cross-link between DAF and CD3.Hydrophilicity, solvent accessibility, secondary structure and B cell epitopes of DAF were predicted by protein surface analysis and molecular model of SCR3 and SCR4 in DAF which was constructed with computer software based on theory of homology modeling.

首次运用同源蛋白质结构预测的理论和*国家自然科学基金项目(39500031):全军"九五"医药卫生科研基金资助项目方法建立DAF中SCR3和SCR4的三维分子模型,并对DAF的亲水性、可及性、二级结构及B细胞表位进行预测。

Project Supported by National Natural Science Foundation of China.

基金项目:国家自然科学基金资助项目(50276051)。

A structure of automatic balancing head using PMDFM (Permanent Magnet Difference Frequency Motor) and an automatic balancing technique employing non-contact synchronously rotating electromagnetic force are put forward, and both are studied in respects of theoretical analysis, parameter calculation and experiment practice.

本文是在国家教委高校博士学科点基金和黑龙江省自然科学基金的资助下完成的,侧重于研究采用特种电机结构的自动平衡头的新的原理、结构及驱动控制方法。

With the support of a major research grant of Zhejiang Province (No. 001101027) and the Plan of Promoting Education of Excellence of Zhejiang University in the 21st Century, this dissertation is devoted to address the above problems and fabricate an L-band EDFA with low cost, high performance and technological innovation.First the mechanism of an erbium doped fiber amplifier is introduced. Various theoretical models based on classical rate propagation equations are summarized and compared for their applications. We use a modified numerical model based on the Giles model, which agrees with the experimental results well. This serves as the theoretical base for the whole thesis and will be used to optimize the characteristics of EDFAs. A novel method based on a map of noise figure and gain is proposed to analyze efficiently the dependence of the noise figure and gain for EDFAs on the EDF length and the pump power. The characteristics of various EDFAs are studied and compared.Secondly, some important parameters are introduced to describe the characteristics of EDFAs. The methods and the experimental setups for measuring the gain and noise figure of an EDFA are emphasized. We introduce how to measure the characteristics of each component of an EDFA, especially the gain and absorption coefficient of an erbium doped fiber.Thirdly, four types of simple and novel L-band EDFA structures with low noise, high gain and low gain ripple are proposed to satisfy the requirement of a DWDM system. They can be classified into two categories. In the first category, a single ASE pumping is served asa secondary pump. This category includes the following three types. Type: a new construction using a fiber Bragg grating in an unpumped EDF section at the input side. Type: a new structure of L-Band EDFA with two-stage pumps, which utilizes the forward ASE as a second pump.

本论文本着科技创新、服务于生产实践的精神,以设计价格低廉,性能优越、结构合理简单的L-band EDFA为目标,依托浙江省科技厅重大科学基金资助项目(001101027)和浙江大学振兴教育计划资助的全光网络的搭建—《光通信技术》课程实验建设项目,展开了如下工作:首先,介绍了掺铒光纤放大器的工作原理,归纳总结了基于速率方程基础的EDFA的各种理论模型,分析比较了各个模型的特点和适用场合,最终选择完善的Giles理论模型作为本论文分析设计EDFA的理论基础;针对实际实验条件提出了修正的EDFA模型的数值计算方法;创新地提出了增益—噪声系数全局分析法,直观有效地分析了EDFA的增益和噪声系数与掺铒光纤长度和泵浦功率的依赖关系,并对各种EDFA的性能作了全面的比较;第二,介绍了掺铒光纤放大器特性参数的定义与测量方法,重点介绍了噪声系数和增益系数的测量方法及实验装置;介绍了组成掺铒光纤放大器各组件的特性测量方法,重点介绍了测量掺铒光纤参数的方法和实验装置;第三,针对WDM系统对L-band EDFA谱平坦、低噪声、高增益的要求,我们创新地提出了四种不同的L-band EDFA结构,按设计思路可以分为两大类:一类是基于单抽运二级泵浦法,这一类包括在未泵浦掺铒光纤的输入端插入一根布拉格光纤光栅的两段L-band的EDFA的新结构;基于前向ASE光作为二级泵浦源推动下一级EDF工作的泵浦分配、两段级联L-band的EDFA的新结构;基于单根光纤光栅、泵浦分配、两段级联的EDFA;另一类则是基于同时应用前后向C-band ASE作二级泵浦源的双抽运法,如基于前后向ASE光作为二级泵浦源的三段级联L-band的EDFA的新结构。

It is based on the experiment and research of Wind Wheel series of the Wind Generator which is provided by the financial aid of National Natural Science Foundation.[Approval number: 59776033], which is a basal experimental study for the questions existed in wind rotor blade of MW wind generators in China.

以国家自然科学基金资助项目《风力发电机风轮系列化的实验与研究》[批准号:59776033]为资助,针对我国兆瓦级风力发电机组风轮叶片存在问题,进行了兆瓦级风力发电机组风轮叶片基础实验研究。

Theoretical and experiment researches of transmission mechanism and control strategy of the CVT have been carried out under the project (59835160) financed by National Natural Science Foundation which includes follow content:1The kinematic relation of the metal pushing V-belt type transmission is analyzed. The relation among oil pressure of pulley cylinder, transmission ratio and input torque under load condition is studied. Optimal design method for metal pushing V-belt type continuously variable transmission is put forward.2Based on the engine experiment, torque and oil consumption model of engine are established by method of spline interpolation. The optimum economy and performance curves are put forward.

本文在国家自然科学基金重点项目(资助号:59835160)资助下,对金属带式无级变速传动系统的传动机理、匹配及控制策略等进行了系统深入的理论分析和实验研究,具体研究内容如下:1)系统地分析了金属带无级变速传动的基本运动规律,研究了在负载状态下,带轮油缸压力与速比和输入转矩的关系,提出了对金属带式无级变速传动系统进行优化设计的方法。2)通过发动机台架试验,利用样条插值方法构造了发动机转矩和发动机油耗模型,确定了发动机最佳经济性与最佳动力性工作线。

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Chrysanthemum of 10 thousand birthday is lax to edaphic requirement, with the arenaceous qualitative loam with fecund, good drainage had better.

万寿菊对土壤要求不严,以肥沃。排水良好的砂质壤土为好。

He unstepped the mast and furled the sail and tied it.

他拔下桅杆,把帆卷起,系住。

Therefore, positively advances the interest rate marketability reform is one of current our country finance reform important tasks.

因此,积极推进利率市场化改革是当前我国金融改革的重要任务之一。