Emission Of Volatile And Semivolatile Organic Compounds From Waterborne Paints – The Effect Of The Film Thickness

A waterborne paint was applied to tin plated steel sheets with three different film thicknesses. The emission of volatile and semivolaile organic compounds ((S) VOCs) from the samples was measured in small climatic chambers under standard conditions over a two-week period. The purpose of the study was to evaluate the effect of the film thickness on the emission rate decay. First order decay models, including sink effects for the high boiling (S) VOCs, were fitted to the concentration versus time data. The results showed that the first order rate constants decrease with increasing film thickness. In uddition, the results indicated that the emissions of the (S)VOCs in the waterborne paint film seemed to be controlled by evaporation. The thicknesses of paint films used in climatic chamber tests to estimate emission rates for product compurison or emission prediction must be known in order to prevent erroneous conclusions     

从传统到现代——浅析屏风在室内环境中的应用

本文通过对屏风在传统与现代室内环境中运用的浅析,概括说明屏风的发展历程及其变化特点。指出屏风的发展应顺应时代,以适应现代室内设计中的不同应用。     

Improvisation of Node Mobility Using Cluster Routing-based Group Adaptive in MANET

In today's Internet routing infrastructure, designers have addressed scaling concerns in routing constrained multiobjective optimization problems examining latency and mobility concerns as a secondary constrain. In tactical Mobile Ad-hoc Network (MANET), hubs can function based on the work plan in various social affairs and the internally connected hubs are almost having the related moving standards where the topology between one and the other are tightly coupled in steady support by considering the touchstone of hubs such as a self-sorted out, self-mending and self-administration. Clustering in the routing process is one of the key aspects to increase MANET performance by coordinating the pathways using multiple criteria and analytics. We present a Group Adaptive Hybrid Routing Algorithm (GAHRA) for gathering portability, which pursues table-driven directing methodology in stable accumulations and on-request steering strategy for versatile situations. Based on this aspect, the research demonstrates an adjustable framework for commuting between the table-driven approach and the on-request approach, with the objectives of enhancing the output of MANET routing computation in each hub. Simulation analysis and replication results reveal that the proposed method is promising than a single well-known existing routing approach and is well-suited for sensitive MANET applications.     

乳胶漆对比率的影响因素

讨论了影响乳胶漆对比率的各种因素。     

纳米TiO2改性内墙涂料研究

主要研究了纳米TiO2的加入对内墙涂料性能的影响。结果表明,加入2%纳米TiO2能极大地提高涂料降解甲醛的能力,但加入4%纳米TiO2反而使涂料的性能变差。涂料的常规性能研究也表明,加入少于2%的纳米TiO2对涂料的常规性能会有极大的提高。     

室内环境设计课程教学要点

对装潢设计专业室内环境设计课程教学内容的要点进行了讨论，重点对课程教学中的人体工程学，空间的划分和组合，色彩的运用，材料的选择，设计制图与表现等方面进行了探索与思考。     

自反传递粗集中近似算子与拓扑算子的复合

在内部算子、闭包算子和近似算子概念的基础上，研究了内部算子、闭包算子与自反传递粗集中近似算子的复合以及交叉复合，得到了它们之间的一些关系．     

Solution of Systems of Equalities and Inequalities by the Method of Interior Points

A version of the Newton method is presented. In constructing an auxiliary problem, constraints in the form of inequalities are not considered and the classical extremal problem is solved. Inequalities are taken into account owing to a special choice of weighted coefficients and the step length. Local convergence of the proposed algorithm is studied. The convergence of successive approximations to a relatively interior admissible point of a non-linear system is established.     

住宅室内热环境与光环境互动关系的探讨

通常,电光源在室内照明时会产生热量,并对人体的热舒适产生一定的影响;同时,室内光源色温的变化会引起人们在心理上对热环境感受的差异.有些住宅由于灯光组合设计单一, 住户在夏季最炎热时,往往减少室内照明电光源的开启数量达到舒适要求,从而降低了室内的照度,影响了光环境的质量;由于灯光设计缺乏足够的应变功能,到了家庭团聚、会客或冬季较冷的时候又会感到灯光有些昏暗.因而,建立和谐的光和热建筑物理环境,不仅应达到生理上的舒适,还应注意心理舒适的特殊要求.     

基于鲸鱼算法的内弹道性能优化

针对某航炮对最大炮口初速越来越高的要求,以提高最大炮口初速为优化设计目标,对弧厚和发射药药 量进行优化设计。选用具有操作简单、跳出局部最优的能力强等优点的鲸鱼算法,将鲸鱼算法与该炮内弹道数学模 型相结合,对内弹道性能进行优化。结果表明：该方法优化效果较好,最大炮口初速得到了有效提升,所采用的鲸 鱼算法与内弹道相结合是可行的,为后续其他类型火炮内弹道设计提供了一定参考。