《当代英语习语大词典》译笔指瑕

有识之士曾经断言：英语习语词典要倍受读者的青眯，必须具备的基本条件是词典例句译文质量上乘。本文通过对《当代英语习语大词典》一些例句译文的瑕疵进行归类，在指出不足之处的同时，提出了可供参考的改正意见。     

创新思维在“计算机图形学”教学中的实践

文章介绍了布卢姆的认知领域分类的概念及其对传统工科教学的影响。结合思维的六个层次思想以及计算机图形学课程的特点,对扫描转换算法进行了分析,将创新思维应用于教学实践。以基于公因子的直线扫描转换算法的发现为例,说明了如何通过启发式教学,引导学生从较低的知识记忆层过渡到较高的创新层。     

Silicon＇s organic pool and biological cycle in moso bamboo community of Wuyishan Biosphere Reserve

Biomineralization of Si by plants into phytolith formation and precipitation of Si into clays during weathering are two important processes of silicon’s biogeochemical cycle. As a silicon-accumulating plant, the widely distributed and woody Phyllostachys heterocycla var. pubescens (moso bamboo) contributes to storing silicon by biomineralization and, thus, prevents eutrophication of nearby waterbodies through silicon’s erosion of soil particles. A study on the organic pool and biological cycle of silicon (Si) of the moso bamboo community was conducted in Wuyishan Biosphere Reserve, China. The results showed that: (1) the standing crop of the moso bamboo community was 13355.4 g/m², of which 53.61%, 45.82% and 0.56% are represented by the aboveground and belowground parts of moso bamboos, and the understory plants, respectively; (2) the annual net primary production of the community was 2887.1 g/(m²·a), among which the aboveground part, belowground part, litterfalls, and other fractions, accounted for 55.86%, 35.30%, 4.50% and 4.34%, respectively; (3) silicon concentration in stem, branch, leaf, base of stem, root, whip of bamboos, and other plants was 0.15%, 0.79%, 3.10%, 4.40%, 7.32%, 1.52% and 1.01%, respectively; (4) the total Si accumulated in the standing crop of moso bamboo community was 448.91 g/m², with 99.83% of Si of the total community stored in moso bamboo populations; (5) within moso bamboo community, the annual uptake, retention, and return of Si were 95.75, 68.43, 27.32 g/(m²·a), respectively; (6) the turnover time of Si, which is the time an average atom of Si remains in the soil before it is recycled into the trees or shrubs, was 16.4 years; (7) the enrichment ratio of Si in the moso bamboo community, which is the ratio of the mean concentration of nutrients in the net primary production to the mean concentration of nutrients in the biomass of a community, was 0.64; and lastly, (8) moso bamboo plants stored about 1.26×10¹⁰ kg of silicon in the organic pool made up by the moso bamboo forests in the subtropical area of China. Project (No. 30370275) supported by the National Natural Science Foundation of China     

Assessment of semi-empirical mass transfer correlations for pervaporation treatment of wastewater contaminated with chlorinated hydrocarbons

INTRODUCTION Chlorinated hydrocarbons, a class of widely used dry-cleaning liquids, industrial organic solvents, and degreasers, increasingly find their way into drinking water sources, thus posing a very serious health and environmental problem (Love and Eliers, 1982). These organic solvents are known for their stability in the environment and cancer-causing po- tency and cannot be effectively and economically eliminated by current conventional treatment tech- nologies. One of the few av…     

Rosalind Franklin and the Discovery of the Structure of DNA

Science & Education - Issues associated with nature of science (NOS) have long been recognized as an essential component of scientific literacy. While consensus exists regarding the importance...     

改革实验教学培养创新人才

通过对当前传统实验教学的现状分析和实验教学的必要性与可能性分析，提出了几点改革的看法，试图从中找出培养创新人才的途径和方法。     

SWOT量化分析法在福清移动校园战略制定中的应用

目前国内企业普遍应用传统的SWOT分析法来制定企业战略,而传统SWOT分析法缺乏定量化分析的过程,造成了战略分析的随意性和主观性。本文提出的结合AHP方法、专家评分法和四雏坐标系战略重心定位法,对传统SWOT方法进行了定量化分析的探讨,并结合福清移动公司校园战略制定的实例来阐述该方法的应用。结论证明,SWOT量化分析法提高了战略决策准确性,取得了良好的效果。     

硼碳氮纳米管薄膜的制备及场致电子发射性能研究

采用高温热解法,以硼氢化纳/乙二胺(NaBH4/C2H8N2)饱和溶液为前驱液在沉积有铁催化剂的硅基底上生长硼碳氮(BCN)纳米管.利用扫描电子显微镜、高分辨率透射电子显微镜、扫描俄歇微探针和拉曼光谱对BCN纳米管进行形貌观察和表征.BCN纳米管的高度在20μm左右,直径在50～100nm之间,具有明显的"竹节状"结构,结晶有序度较差.对BCN纳米管薄膜进行低场致电子发射性能测试,开启电场1.8V/μm,外电场升至2.48V/μm时发射电流170μA/cm2,当外加电场大于5.5V/μm时,可以观察到发射点均匀分布的场致电子发射图像.     

对Web2．0模式下酒店电子商务的思考

目前带有Weh2．0特征的网络服务越来越多地进入了人们的视野,Weh2．0强调用户是网络的主体,强调用户的体验,这与酒店客户至上的服务理念不谋而合。本文主要分析了Web2．0的概念、技术,以及对酒店电子商务带来的影响。     

对人大代表采取强制措施若干问题研究

对人大代表采取强制措施制度是司法实践中一个热点难点问题。由于对人大代表采取强制措施审查许可制度立法宗旨的曲解,以及对审查许可程序性质的错误认识,加之此项法律制度本身的缺陷,导致司法实践中审查许可制度执行时的混乱局面。对此进行审视与分析,提出修法建议。