高职院校信息安全课程体系优化与教学内容改革的研究

从提高学生职业能力理念出发,以高素质技能型人才培养为目标,教学改革和课程体系设计为先导,整合信息安全课程体系并进行优化,构建人才培养新方案,对教学内容进行有效探索,以期提高信息安全专业人才培养质量.     

A two‐station embossing process for rapid fabrication of surface microstructures on thermoplastic polymers

An embossing strategy involving a hot station and a cold station for sequentially heating and cooling the embossing tool was investigated to reduce cycle times in hot embossing polymer microstructures. Experimental studies showed that aluminum stamps with a thickness of 1.4 mm can be rapidly heated from room temperature to 200°C in 3 s using contact heating against a hot station at 250°C. Microchannels and microlenses were successfully embossed onto high‐density polyethylene and acrylonitrile–butadiene–styrene substrates using a heating time less than 3 s and a total cycle time around 10 s. The two‐station embossing process for the microlens was also numerically studied. The simulated filling behavior agreed with the experimental observation and the predicted thermal and deformation history of the polymer offered a good explanation on the experimentally observed process characteristics. POLYM. ENG. SCI., 47:530–539, 2007. © 2007 Society of Plastics Engineers.     

The kinetics of B‐a and P‐a type copolybenzoxazine via the ring opening process

The structure of benzoxazines is similar to that of phenolic resin through thermal self‐curing of the heterocyclic ring opening reaction that neither requires catalyst nor releases any condensation byproduct. These polybenzoxazine resins have several outstanding properties such as high thermal stability and high glass transition temperature. To better understand the curing kinetics of this copolybenzoxazine thermosetting resin, dynamic and isothermal differential scanning calorimetry measurements were performed. Three models, the Kissinger method, the Flynn–Wall–Osawa method, and the Kamal method, were used to describe the curing process. Dynamic kinetic activation energies based on Kissinger and Flynn–Wall–Osawa methods are 72.11 and 84.06 KJ/mol, respectively. The Kamal method based on an autocatalytic model results in a total order of reaction between 2.66 and 3.03, depending on curing temperature. Its activation energy and Arrhenius preexponential are 50.3 KJ/mol and 7959, respectively. © 2004 Wiley Periodicals, Inc. J Appl Polym Sci 95: 730–737, 2005     

"团队项目训练法"在市场营销实践教学中的应用——以"与爱同行"营销策划综合训练为例

“团队项目训练法”是充分利用各种市场资源,按照市场营销工作实际,让学生自组团队、自寻商机、自设项目,理论联系实际分析营销环境．对真实对象进行市场营销方案设计、实施、评估,亲历市场营销的完整过程,以此进一步掌握理论,训练技能,提高能力。介绍了重庆科技学院对市场营销专业本科生运用“团队训练法”进行实践教学的做法及效果。     

Possible Energy Network with polygeneration system and CCS for China

On basis of adopting polygeneration systems for power and alternative fuels,capturing CO2 with near zero energy penalties,and storing CO2 on sites,a new kind of Energy Network can integrate energy utilization,CO2 capture,transportation and storage synthetically.Techno-economic analysis of this solution focusing on Inner Mongolia and the Yangtze River Delta districts had been carried with comparison to the chain method for energy utilization and CO2 sequestration.This solution can save 21.5% of energy,and re...     

浅析图书馆有色金属公共信息服务平台的建设

为了充分发挥图书馆的技术资源优势,缓解企事业单位文献信息资源不足的矛盾,我馆提出建设一个有色金属公共信息服务平台,使图书馆更好地为我市地方经济建设服务,提升图书馆的服务能力和服务水平;更好地发挥图书馆的窗口作用和纽带作用,与地方搭起一个连接的桥梁,更好地为市政府和我市各企事业单位服务。     

论《背影》的感恩主题对学生的教育作用

我国现代著名的作家朱自清先生的《背影》成功地刻画了父亲送儿子时爬铁道去买橘子的背影,这一"背影"是中国现代文学史上第一位正面父亲形象。对这一形象的准确理解和感知,在当今对学生进行感恩教育有促进作用。     

略论英语学习环境的构建

从自主学习理论出发,结合当前高职院校学生的英语学习现状,论述了高职学生英语自主学习中的学习环境的构建。通过构建良好的师生关系、轻松的课堂氛围、与同伴的多种协作关系、丰富的课外活动来促进学生的英语自主学习能力,为学生创造良好的英语学习环境。     

建设工程项目绿色采购供应商的选择研究

针对我国目前建设工程项目绿色采购的理论研究难以满足绿色采购的实践需求的现状,基于建设工程项目绿色采购的特点和供应商信息的灰色特征,将建设工程项目绿色采购供应商选择的信息指标在分成绿色产品、绿色关系和绿色企业的基础上构建具体的可操作性指标,运用灰色关联度模型进行供应商的选择,以推动建设工程项目绿色采购的发展.     

A power-aware code-compression design for RISC/VLIW architecture

We studied the architecture of embedded computing systems from the viewpoint of power consumption in memory systems and used a selective-code-compression (SCC) approach to realize our design.Based on t...