自然科学

Wheat aphid ; Sitobion avenae

国家自然科学基金；攀登计划

In the recent years,supported by National Natural Science Foundation of China,the faculty in Zhejiang University have begun the research of solid states power switch and fault current limiting technology. They provide a novel solid states fault current limiting technology,which possesses flexible control mode. It is feasible to develop a well-performed fault current limiter.

近年来，浙江大学有关人员在国家自然科学基金的支持下，开展&固态功率开关及短路限流技术的研究&，提出了一种全新的固态短路限流技术，具有许多灵活的控制方式，完全有条件开发成一种性能优良的短路限流装置。

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。

Contents: Multivariate statistical analysis is developed quickly on the foundation of mathematical statistics. It is widely applied in every field of natural science and social science and it is the indispensable important tool to handle multivariate data.

主要内容：多元统计分析是在数理统计学的基础上迅速发展起来的一门学科，已广泛应用于自然科学和社会科学的各个领域，是处理多维数据不可缺少的重要工具。

Content: Multivariate statistical analysis is developed quickly on the foundation of mathematical statistics. It is widely applied in every field of natural science and social science and it is the indispensable important tool to handle multivariate data.

多元统计分析是在数理统计学的基础上迅速发展起来的一门学科，已广泛应用于自然科学和社会科学的各个领域，是处理多维数据不可缺少的重要工具。

But after an audacious Shuttle repair mission, when Hubble was fixed with what is effectively a pair of eyeglasses to correct its sight, the telescope has returned some of the most stunning images ever captured by science.

但进行了一次大胆的太空穿梭修复任务，期间哈勃望远镜被有效地安装了一副眼镜以矫正视力，后来望远镜已传回一些非常美丽的图像，它们曾被自然科学所关注。

This paper relies on National Natural Science Fund Project "Complex issue of Inhabitant Recombination and Travel Distribution and Research in its Model" and Jilin Province Preeminence Youth Fund Sustentation Project "Research in Macro-Traffic Flow Theory".

本论文是依托国家自然科学基金项目&居民重组和出行分布中的复杂问题及模型研究&和吉林省杰出青年基金资助项目&宏观交通流理论研究&完成的。

This paper relies on National Natural Science Fund Project "Complex issue of Inhabitant Recombination and Travel Distribution and Research in its Model" and Jilin Province Preeminence Youth Fund Sustentation Project "Research in Macro-Traffic Flow Theory". The dissertation consists of six chapters.

本论文是依托国家自然科学基金项目&居民重组和出行分布中的复杂问题及模型研究&和吉林省杰出青年基金资助项目&宏观交通流理论研究&完成的。

The dissertation relies on National Natural Science Fund Supported Project "Research on Complexity and Models of Inhabitants Reorganization and Trip Distribution", Jilin Province Preeminence Youth Fund Sustentation Project "Research in Macro-Traffic Flow Theory" and Supported by Foundation for University Key Teacher by the Ministry of Education Project "Research on Theory and Models of Inhabitants Reorganization and Trip Distribution".

本学位论文依托国家自然科学基金资助项目&居民重组与出行分布中的复杂问题及其模型研究&、吉林省杰出青年基金资助项目&宏观交通流理论研究&和高等学校骨干教师资助计划项目&居民重组与出行分布理论及模型研究&而完成。

Over the past 10 years, the Chinese Academy of Sciences of physics and chemistry of computer to plate materials research group launched the silver salt of computer to plate materials research and development, in nnsfc, national "" 863 plan and Neurobiology, physical science base knowledge innovation projects with the support of the industrialization process in the key technology issues. In 2002 the high-tech came into use in Shantou zhongke silver industry co., Ltd. starts production of silver halide and project approval of computer to plate material, in 2003 the project wins national development and industrialization of high technology demonstration project, and included an important direction of CAs.

近10年来，中国科学院理化所计算机直接制版材料研究组开展了银盐计算机直接制版材料的研究开发工作，在国家自然科学基金委员会、国家&863&计划以及中科院物质科学基地知识创新工程的支持下，解决了产业化过程中的诸多关键技术问题。2002年该高新技术落户汕头中科银实业有限公司开始立项生产银盐计算机直接制版材料，2003年该项目入选国家发改委高技术产业化示范工程项目，并列入中科院重要方向性项目。

The labia have now been sutured together almost completely.The drains and the Foley catheter come out at the top.

此刻阴唇已经几乎完全的缝在一起了，排除多余淤血体液的管子和Foley导管从顶端冒出来。

To get the business done, I suggest we split the difference in price.

为了做成这笔生意，我建议我们在价格上大家各让一半。