作者:Li, Jingbing;Wei, Yingbin ((1) College of Tourism, Hainan University, Kaikou 570228, China (2) Qiongzhou University, Wuzhishan 572200, China)
出处:Journal of Computational Information Systems 2007
摘要:Based on Discrete Wavelet Transform (DWT) and Discrete Fourier Transform (DFT), this paper describes a scheme that is robust to local nonlinear geomet ...
作者:Li, Taijun;Kang, Yaohong;Wen, Xiaobin;Pan, Xuesong (1) College of Information Science and Technology, Hainan University, Haikou 570228, China)
出处:Journal of Computational Information Systems 2006
摘要:Color histograms are the color features which are widely adopted in a lot of image retrieval systems. Description of the color histogram is the propor ...
作者:Li, Jingbing;Huang, Xiyue (1) College of Automation, Chongqing University, Chongqing 400044, China (2) College of Tourism, Hainan University, Haikou 570228, China)
出处:Journal of Computational Information Systems 2006
摘要:Based on Discrete Wavelet Transform (DWT) and Discrete Cosine Transform (DCT), this paper describes a method for robust watermarking of binary images. ...
作者:杨建新,姚伯元,于文辉,刘钟馨,文金霞,胡标
关键词:高比表面积活性炭;纳米催化剂;偶联反应
摘要:本课题以椰壳为原料,采用先炭化、后活化的方法,制备活性炭表面积最高达到3275m2/g。以该活性炭为载体,氯化钯为钯前体,通过水合肼还原,超声浸渍法制备纳米钯碳催化剂,并在比表面积为2800m2/g~3275m2/g的高比表面积椰壳活性炭载体上制备出了钯粒径最小在2~6nm范围的钯碳催化剂。分别催化 ...
作者:刘钟馨,曹阳,林仕伟,张竞,曾凡胜,林培忠,尹学琼,张德拉,杨亮,王小红,吕作凤,张理元
关键词:光催化;污水处理;氧化钛
摘要:本项目着重于制备负载型TiO2光催化材料,提高材料的光催化性能并与污水处理技术相结合,以实现太阳能在污水处理及环境治理方面的应用。主要分为如下几个部分: (一)高有序TiO2纳米管的制备及掺杂后光催化性能的影响 制备了Ag、N、Fe、C等元素掺杂的氧化钛纳米管阵列,研究不同掺杂离子对氧化钛禁带宽 ...
作者:曹阳,林仕伟,刘钟馨,王小红,文峰,杨亮,张萍,杨海峰,于晓龙,涂进春,庾名槐,Py Xavier,Egea Philippe,王和雄,张理元,吕作风,廖建军
关键词:污水处理;光催化;太阳能
摘要:技术说明: 1.首次获得到了一种新型的两端通透的TiO2纳米管阵列膜,光催化性能提高了2.5倍。 2.制备出光谱响应宽、光催化效率高的高效、绿色、经济氧化钛纳米管阵列膜。 3.在钛丝网上成功制备出具有3D结构的TiO2/钛丝网光催化剂。 4.设计并构建出“联合抛物面式 (CP ...
作者:潘莉莎,张永明,张德拉,孙中亮,刘钟馨,徐树英,王小红
关键词:油液脱水;疏水;亲油;树脂
摘要:本项目采用氟类单体与丙烯酸类单体进行自由基溶液共聚,一方面氟类低表面能物质来达到树脂的疏水性;另一方面利用相似相溶原理,通过调整聚合物烷烃结构,实现树脂的亲油性。结合对聚合物分子量的控制、增大聚合物交联密度和涂膜性能等其他影响因素的考察,制备油水分离树脂。浸渍了油水分离树脂的金属网不但能达到较好的油 ...
作者:Li, Y.Email Author, Zhang, L.Email Author View Correspondence (jump link) (a School of Management and Economics, Tianjin University, Tianjin 300072, China b College of Civil Engineering and Architecture, Hainan University, Hainan, Haikou 570228, China)
出处:Abstract and Applied Analysis 2014
摘要:This paper analyzes the site selection problems of water treatment plants by utilizing the set covering model. Fully consider the influence of the pip ...