我国地区间科技原创力的评价与分析

科技原创力是科学技术发展的核心要素,提高科技原创力水平是实现我国自主创新的基础。从科技资源、科技产出和科技环境3个方面建立了科技原创力的评价体系,通过因子分析对我国31个省份的科技原创力进行了综合比较。结果表明：科技环境是提高区域科技原创力的重要条件,东、西部地区科技原创力的产业化成果差异大而人均科研成果差异相对较小,东部地区基础研究的投入比例总体落后于中、西部地区。     

大学英语课堂教学中学生学习策略的培养

学习策略在英语学习中起着非常重要的作用,它的选择和使用直接影响到学习者的效果和效率.调查发现,非英语专业大学生在英语学习中存在缺乏学习策略知识、自主学习意识薄弱等问题.解决问题的主要办法是:转变理念,重新定位教师角色;改进教学方法和考试模式;加强对学生学习策略意识的培养;培养自主学习意识,从而提高学习英语的效率.     

鲜花形态建模与可视化技术研究

鲜花形态建模与可视化技术被广泛应用于计算机动画、游戏以及农学教学和科研等领域.以玫瑰花为研究对象,通过对玫瑰花形态结构的观测分析,建立了玫瑰花的三维几何模型.然后在VC + + 6.0下结合OpenGL图形库,绘制了玫瑰花的三维形态,并对其进行了着色、纹理映射、光照等处理,使建立的模型更加形象逼真,最后模拟了玫瑰花开放过程,从实验结果来看,模拟的玫瑰花开放过程具有较强的真实感.     

The review and prospect of neutron radiography in China

Neutron radiography is one of radiography non-destructive testing. It is a valuable complementary of X and γ rays radiography. The present status and history of neutron radiography in China was described briefly, facilities of neutron radiography and their development were introduced in this paper.     

基于CS模式的多机器人网络通信系统

首先提出了基于CS模式的多机器人通信系统的拓扑结构,并对这种通信模式的一致性响应速度特性进行了分析,然后给出了基于Visual C＋＋MFC的CS网络通信模式的程序设计方法,最后对系统进行了实验验证．研究表明,基于CS的多机器入网络通信系统,具有结构简单、一致性速度快的优点,对建立多机器人通信系统具有较大的指导意义．     

Rapid Prototyping and Manufacturing Technology: Principle,Representative Technics,Applications, and Development Trends

The rapid prototyping and manufacturing technology (RPM), is an integration of many different disciplines. It is based on an advanced dispersed-accumulated forming principle and originated from 1980s. It generates an entity by first forming a series of layers according to the dispersed section information of the digital model, and then piling the formed layers sequentially together. It is capable of forming parts with complicated structures and non-homogeneous materials. Traditional RPM techniques are mainly used as prototypes in product invention process, such as stereolithography, three-dimensional printing, laminated object manufacturing, and fused deposition modeling. Later, with the progress of material and enabling technology, many new RPM techniques emerged out and have been already applied in the fields such as rapid tooling/moulding, direct formed usable part, nano-/micro-RPM, and biomanufacturing. This high flexible digital manufacturing method has a likely ability to become an almighty forming technology.     

Concurrent transmission with minimal SR-pair interference in WiMAX mesh networks

Performance of wireless mesh networks can be greatly improved by spatial reuse (SR), therefore, lots of algorithms have been proposed to maximize the number of concurrent transmissions. However, most methods only considered the interference brought by the sender nodes. In this paper, we study the interference model in WiMAX mesh networks and propose a minimal SR-pair interference model to perform concurrent transmissions in both uplink and downlink directions. Simulation results show that our model is more efficient and stable, i.e., it increases the number of concurrent transmissions and its performance is constant and independent of transmission directions. Biography: XIONG Qing(1978–), male, Ph. D., research direction: wireless mesh networks.     

我国公安特警体能训练科学化体系构建研究

公安特警是特殊的训练群体,体能训练为特警执行任务提供保障,创造条件。公安特警体能训练科学化体系构建研究以竞技体育运动训练路径为突破口,在充分了解特警训练过程和状况的前提下,探讨特警进行科学训练的体系组成,为特警体能训练的科学实施提供积极的参考和借鉴。     

高职高专英语教育专业高级英语教学对策探讨

高级英语是英语教育专业高级阶段的专业必修课,教学大纲对这门课的教学提出了较高的要求。从问卷和访谈中发现了当前高级英语教学中存在的一些问题,本文分析了这些问题产生的原因,并结合高职高专学生特点和师范专业特点,对如何解决这些问题提出了一些见解。     

无轴承同步电机旋转惯性振动抑制模型

给出无轴承电机的互感模型,据此导出了同步旋转惯性振动抑制力模型.该模型不仅适用于具有凸极型转子结构的无轴承同步电机,还适用于具有圆柱型转子结构的无轴承同步电机.给出同步旋转坐标系下的2极浮控4极无轴承电机的电感模型,据此导出适用于该种磁极配置无轴承电机的同步旋转惯性振动抑制力通用模型.仿真结果验证了所导出的旋转惯性振动抑制力模型的有效性.