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排序方式: 共有93条查询结果,搜索用时 0 毫秒
1.
本文结合重庆奉节县兴隆新城旅游商业街设计方案,从设计理念、空间场所营造、地域特征与建筑造型等方面进行解析,总结了该方案的理性生成过程,并提出了具有地域特色的文化商业街区的设计原则,即本次设计不是简单的对传统样式的拼凑,而是挖掘地域建筑的内涵,并对其再诠释的过程。 相似文献
2.
介绍了露天矿大块二次爆破的水压爆破法和普通爆破法的对比试验,试验研究表明,水压爆破法比普通爆破法可减少飞石距离,降低炸药单耗量,提高爆破效果。 相似文献
3.
Bruce Melville Rick van Ballegooy Sjoerd van Ballegooy 《Canadian Metallurgical Quarterly》2006,132(3):324-327
An experimental study of flow-induced failure of cable-tied blocks is presented. The particular failure mechanism studied is overturning and rolling up of the leading edge of a cable-tied block mat. Individual blocks were investigated also. The block size, flow depth, and block (mat) protrusion above the surrounding bed were systematically varied. The results are presented in terms of the critical dimensionless shear stress θc for block (mat) failure. A relationship between θc, block size and block protrusion, and flow depth is given. 相似文献
4.
为减少图像传输的数据量,满足信道带宽的要求,在图像发送端以块为单位对图像进行划分,利用离散余弦变换(DCT),按照一定的规则主动丢弃部分块的低频分量,而在图像接收端通过图像重建技术对丢弃的图像数据进行恢复,从而再现原图像。实验结果表明这种数字图像传输技术改善了DCT图像质量。 相似文献
5.
线程构造块(TBB)能简化并行化设计,支持高效地实现多核并行功能.给出面向多核计算的二维DCT的并行化方法,并利用TBB平台实现;针对高耗时的余弦计算,利用查表和分块计算措施进行优化,并探讨粒度设置方法.在多核环境中的实验结果表明,优化后的并行化方法能有效改善执行性能,获得较好的加速比,且具备可扩展性. 相似文献
6.
Hamed Khosravi 《Architectural Design》2023,93(5):88-95
As a founder member of the now international practice OMA (Office for Metropolitan Architecture), Zoe Zenghelis was responsible for some of the group's early iconic representations of its buildings. In recent times she has practised as a lone painter creating a plethora of work that is at once abstractly Constructivist yet gorgeously architectural as she mixes form and colour. Architect, teacher and writer Hamed Khosravi describes her artistic trajectory and influences. 相似文献
7.
全球气候变暖与城镇化快速发展的综合影响导致了岭南地区夏季升温形势严峻。岭南历史文化街区由于新旧混合的建设现状,密集的建设环境,面临通风不畅、热岛效应严峻的气候环境问题,加强通风是缓解街区夏季高温状况的有效途径。本文选取广州文德路街区作为研究对象,利用流体动力学软件分析街区风环境现状,识别街区通风问题区域,从建筑、街道以及绿地空间三方面提出通风设计策略,并用流体动力学模拟比较改造前后核心空间节点的通风状况,验证通风设计策略的可行性,为岭南历史文化街区保护与更新的气候适应性设计提供参考。 相似文献
8.
《Advanced Engineering Informatics》2014,28(4):327-343
The Blocks Relocation Problem consists in minimizing the number of movements performed by a gantry crane in order to retrieve a subset of containers placed into a bay of a container yard according to a predefined order. A study on the mathematical formulations proposed in the related literature reveals that they are not suitable for its solution due to their high computational burden. Moreover, in this paper we show that, in some cases, they do not guarantee the optimality of the obtained solutions. In this regard, several optimization methods based on the well-known A1 search framework are introduced to tackle the problem from an exact point of view. Using our A1 algorithm we have corrected the optimal objective function value of 17 solutions out of 45 instances considered by Caserta et al. (2012) [4]. In addition, this work presents a domain-specific knowledge-based heuristic algorithm to find high-quality solutions by means of short computational times. It is based on finding the most promising positions into the bay where to relocate those containers that are currently located on the next one to be retrieved, in such a way that, they do not require any additional relocation operation in the future. The computational tests indicate the higher effectiveness and efficiency of the suggested heuristic when solving real-world scenarios in comparison with the most competitive approaches from the literature. 相似文献
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