珍惜自然之美--也说武汉南岸嘴

武汉南岸嘴在地理位置、自然景观及人文历史等方面都有其独特魅力。开发建设南岸嘴,应注重保护其沿江景观的历史文化认知性,使之成为武汉市民的开敞、自然的“城市绿心”。在南岸嘴建设“标志性景观”并不能增强城市的竞争力,只能破坏其原有的风貌特色。     

潜力工业催化剂——白地霉脂肪酶

白地霉脂肪酶因具有独特的底物特异性,在油脂改性等领域有着广泛应用。文中概述了白地霉脂肪酶的发酵生产、分离纯化、克隆与表达、底物特异性分子机理及应用等,并展望其未来发展方向,为该工业催化剂的研发与广泛应用提供参考。     

WORKPLACE AS LANDSCAPE — DESIGN OF FACEBOOK HEADQUARTERS IN SAN FRANCISCO BAY AREA

This article is broadly about Facebook Headquarters in Menlo Park, California, with a focus on the planning, design, and ongoing construction of the Bayfront Campus. The project is rooted in ecological principles, restoring a post-industrial brownfield site to a biodiverse and resilient landscape. It reaches to merge the functional needs of workplace culture with habitat created by the establishment of natural systems. Two of three new buildings — MPK 20 and MPK 21 — are now completed, fluidly integrating the architecture and landscape. Together, they form a rich and complex campus landscape that brings people close to each other and to nature, reduces and treats stormwater runoff, minimizes head island effects, and maximizes open space. Responding to ongoing site and program needs, the observations and feedback from MPK 20 (completed in 2015) provided valuable insights on the improvement of MPK 21 (completed in 2018). The design provides abundant landscape services, not only enhancing the knowledge of species that define local California native habitats, but also allowing people to learn through osmosis — relaxing the mind, expanding perception, and stimulating imagination.     

自然海水中低合金铸铁点蚀的化学-电化学溶解机理

根据自然海水中低合金铸铁试验结果,在蚀坑内受扩散和迁移控制的质量传输、化学溶解和电化学溶解的基础上,建立自然海水中铸铁点蚀的化学-电化学溶解模型,并推导出蚀坑内电压分布的方程式。此式表明,蚀坑内的电压取决于蚀坑内各类活性腐蚀因子的化学势梯度和相应粒子的电压降。试验结果表明,自然海水中铸铁表面钝化膜的诱发期的局部破坏与海生物的局部附着和生物粘膜下R（R=wCl-wOH-）值密切相关,在其蔓延生长过程中,蚀坑内外的电压降、蚀坑内活性粒子的活度和pH值密切相关。但自然海水中的卤素离子的存在和摩尔分数对铸铁点蚀影响最大。     

国家自然科学基金同行评议专家意见综合量化分析

着重论述了国家自然科学基金项目同行评议意见的量化分析方法、理论模型及应用,为科学、合理地选择优秀项目提供可靠的依据。     

Oppositional symbiotic organisms search optimization for multilevel thresholding of color image

Selection of optimal threshold is the most crucial issue in threshold-based segmentation. In case of color image, this task is become challenging, because conventional color image segmentation has computational complexity and also it suffers from lack of accuracy. Various techniques such as threshold based, region growing, edge detection, graph cut, pixel classification, neural network, active contour, gray level co-occurrence matrix are proposed so far for image segmentation in the literature. Out of them, threshold-based segmentation is popular for its simplicity. To address the problem of color image segmentation, we propose an enhanced version of metaheuristic optimization algorithm called Opposition based Symbiotic Organisms Search (OSOS) to solve multilevel image thresholding technique for color image segmentation by introducing opposition based learning concepts to accelerate the convergence rate and enhance the performance of standard symbiotic organisms search (SOS). The performance of the proposed OSOS based algorithm is investigated thoroughly and compared with some existing techniques like Cuckoo Search (CS), BAT algorithm (BAT), artificial bee colony (ABC) and particle swarm optimization (PSO). The comparison is made by applying the algorithm to a set of color images taken from a well-known benchmark dataset (Berkeley Segmentation Dataset (BSDS)) and some of the color images collected for the COCO dataset. It is observed from the results that the performance of the OSOS based algorithm is promising with respect to standards SOS and others in terms of the values of objective functions as well as the values of some well-defined quality metrics such as peak signal-to-noise ratio (PSNR), structure similarity index (SSIM) and feature similarity index (FSIM). The results of the proposed algorithm may encourage the scientists and engineers to apply it into pattern recognition problems.     

论中国少数民族服饰中龙纹的象征性——原始的自然神性

我国少数民族服饰纹样作为一种特定的历史文化载体,与汉民族相对应,保持着与之不同的原始自然神性,表现出崇尚生命自由的情感原则,具有强烈的人民性和民族精神,反映了中国少数民族的生活理想和审美趣味。这种深刻的内涵和美好的寓意为历代子孙所传承,是少数民族服饰艺术造型中具有重要美学价值的部分。     

Similitude and metaphysics: Analysis about fashion designs of Chinese national style北大核心CSCD

In this paper, case analysis method is applied to subdivide fashion design categories and design techniques of Chinese national style fashion. The subdivided styles are as follows: the minority style, design based on Hanfu and Chinese-style clothing, Chinese national chic, Chinese national Haute Couture, and conceptual designs. These styles have various design expressions and techniques. Especially, the application degrees of traditional national elements are obviously different, which is reflected in the change from similitude to metaphysics. The minority style mostly follows the style, pattern and color matching of traditional national clothing. Design based on Hanfu and Chinese-style clothing, Chinese national chic and Chinese national Haute Couture have many creative designs with different emphasis. Modified Hanfu has rich detail changes. The design based on Chinese-style clothing has stable design style, and is mostly modified in parts. Chinese national chic stresses fashion expression mode. Chinese national Haute Couture integrates nationality with internationality. Conceptual design rarely directly uses specific national elements, but expresses the understanding of traditional national culture with indirect and abstract methods. © 2017 China Silk Association. All rights reserved.     

人工与自然的科学结合——体验巴塞罗那植物园

通过对巴塞罗那植物园规划理念、植物展示技术与手段及科学内涵的总结与分析,探讨当代富有特色的植物园景观规划方法,指出植物园的特色对其可持续发展的重要意义。     

Nature conservation and integrated coastal zone management in Europe: present and future

The present and future of integrated coastal zone management (ICZM) in Europe is discussed with an emphasis on nature conservation. The position of nature conservation in physical planning and in legislation is discussed within the historical perspective of the Netherlands. With regard to the present position of nature conservation in planning and legislation, differences in Europe between the northwest, the south and the east are discussed. The roles of various organisations (such as NGOs, GOs, Universities and the European Union) in ICZM is briefly mentioned. The paper advocates a strong position for nature conservation in integrated coastal zone management if it is to be developed on a sustainable basis.