摘要：Heterostructured photocatalysts provide an effective way to achieve enhanced photocatalytic performances through efficient charge *** both wide-and narrow-band-gap photocatalysts have been widely investigated,the charge separation and transfer mechanism at the contacting interface of the two has not been fully ***,a novel SrTiO3/BiOI(STB)heterostructured photocatalyst was successfully fabricated by using a facile *** heterostructure in the photocatalyst extends the photoabsorption to the visible light range,and thus,high photocatalytic NO removal performance can be achieved under visible light irradiation.A combination of experimental and theoretical evidences indicated that the photogenerated electrons from the BiOI semiconductor can directly transfer to the SrTiO3 surface through a preformed electron delivery *** electron transfer was expected between the SrTiO3 and BiOI surfaces under light irradiation,and leads to efficient ROS generation and thus a high NO conversion ***,in situ diffused reflectance infrared Fourier transform spectroscopy revealed that STB can better inhibit the accumulation of the toxic intermediate NO2 and catalyze the NO oxidation more *** work presents a new insight into the mechanism of the interfacial charge separation in heterostructures and provides a simple strategy to promote the photocatalytic technology for efficient and safe air purification.

摘要：针对现有服装舒适性评价方法中缺乏数学定量评价的问题,提出采用无需指定指标权重的熵权-突变级数法,以克服舒适性评价过程中人为主观赋权的缺陷。从人体热生理、热心理和服装性能这3个维度出发,构建了较为全面的医用防护服舒适性评价指标体系。以4种实际着装工况为例,选取8个主要影响因素构建了着装舒适性指标体系,并进行实例验证。结果表明:服装舒适性受到服装类型与活动强度的综合作用,且在低劳动强度、低热阻、低湿阻条件下舒适性更高。认为:熵权-突变级数法综合考虑了各指标间的相关性,避免了传统评价方法对主观权重的依赖,为完善现有医用防护服舒适性的综合评价提供了参考依据。

摘要：Multi-cell processing （MCP） is capable of providing significant performance gain, but this improvement is accompanied by dramatic signaling overhead between cooperative base stations. Therefore, balancing the performance gain and overhead growth is crucial for a practical multi-base cooperation scheme. In this paper, we propose a decentralized algorithm to jointly optimize the power allocation and beamforming vector with the goal of maximizing the system performance under the constraint of limited overhead signal and backhaul link capacity. In particular, combined with calculating the transmission beamforming vector according to the local channel state information, an adaptive power allocation is presented based on the result of sum capacity estimation. Furthermore, by utilizing the concept of cell clustering, the proposed framework can be implemented in a practical cellular system without major modification of network architecture. Simulation results demonstrate that the proposed scheme improves the system performance in terms of the sum capacity and cell-edge capacity.

摘要：为解决个体化女装衣身胸部浮余量获取繁琐、误差偏大等问题,提出一种基于人体体型特征的数学模型。通过人体胸凸形态的影响因素分析,提取胸围和上下胸围差作为体型特征参数,基于立体几何原理构建前衣身浮余量的数学模型;随机选取实验对象对数学模型进行立体裁剪和实际样衣试穿的实验验证,并对二者所得浮余量进行配对样本T检验。结果表明:数学模型与实际获取的结果无显著性差异,前浮余量角度可表示为胸围和胸围差的函数;依据体型特征参数构建的衣身浮余量设计方法可更为准确、高效地表征胸凸形态,满足个体化女装结构设计的需求。

摘要：色彩是表达电影内容必不可少的因素,宫崎骏的电影重视画面的色彩语言,对色彩的运用表现出独特的艺术魅力,以宫崎骏动漫电影《千与千寻》《悬崖上的金鱼姬》和《幽灵公主》为对象进行分析,从色彩基调营造的意境美、清新之色形成的诗意美和简单色彩涂抹的形式美三个方面解读其动漫电影中色彩的艺术特点,探析宫崎骏动漫电影中色彩清逸高雅、意境高远的东方式情景。

摘要：住宅平面设计多为直觉和感性设计,由此产生的设计方案往往在住宅的朝向、采光及节能等方面存在着不足,从而造成住宅使用功能方面的问题,这种现象在低密度住宅的设计中尤为突出。针对独院式、并联式、联排式等低密度住宅的平面布局特点,提出住宅内不同位置处依据朝向、自然采光及节能保温等因素的“优势度”概念,并根据房间不同朝向,自然光源数量及不同围护内墙数量等因素,分别为每一个区域赋于优势度分值。建议平面设计以各区域综合优势度排序为依据。该方法有助于建筑师将直觉和感性设计转为理性设计。具体案例应用表明了方法的适用性。

摘要：温室效应日渐显著,CO_2的捕集与利用已成为一个全球性的科学研究热点。碳质吸附材料因其结构的可设计性、孔隙结构发达和化学性质稳定等特点,在气体分离领域发挥着重要的作用。本文主要介绍了近年来多孔炭材料在CO_2吸附分离领域的研究进展情况,着重介绍了提高CO_2吸附分离效率的主要方法与策略,并对碳质吸附材料未来的发展趋势进行了评述。

摘要：动漫产业是东北老工业基地产业转型的重要选择之一,而动漫产业的盈利模式则是目前动漫产业发展中亟待解决的关键问题。本文运用双边市场理论,分析了动漫产业盈利模式面临的约束条件,并在此基础上针对大连动漫产业的发展提出若干政策建议。

摘要：针对传统变焦光学系统在环境温度变化的情况下,变焦全程无法一致清晰成像以及需频繁调焦的问题,提出了一种光学被动半无热化变焦系统设计方法,并设计了一种光学被动半无热化变焦系统。变焦系统的焦距为30~1000 mm,工作波段为486~656 nm,光圈为F_(4.4)~F_(8),短焦采用光学被动无热化设计。变焦系统的成像质量良好,结构非常紧凑,在工作温度范围为-40~+60℃的情况下,只需长焦位置调焦一次,即可保证从长焦到短焦的变焦全程一致清晰成像,中间过程无需再调焦,且温度调焦量仅为-0.56~+0.82 mm,这验证了设计方法的正确性。采用本方法设计的变焦系统既克服了传统变焦系统在不同温度下需频繁调焦的问题,也极大减小了系统的温度调焦量,有利于快速调焦。

摘要：影响制造系统选择的本质因素是需求。产品定价和广告作为影响需求的重要因素也影响着制造系统的选择。本文主要以市场接受度不确定的新产品作为研究对象,考虑如何同时优化制造系统选择、产品定价和广告策略以实现企业利润的最大化。基于现实中新产品所面临的两种制造系统模式,即柔性制造系统和两阶段的混合制造系统,本文给出了适合的条件及相应的产品定价和广告策略。