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浏览/检索结果: 共48条，第1-10条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序作者升序作者降序 Cross-Section Effect of Ni-Cr-Mo-B Ultra-Heavy Steel Plate for Offshore Platform 期刊论文  OAI收割 ACTA METALLURGICA SINICA, 2020, 卷号: 56, 期号: 9, 页码: 1227-1238 作者:  Zhang Shouqing;  Hu Xiaofeng;  Du Yubin;  Jiang Haichang;  Pang Huiyong   |  收藏  |  浏览/下载：23/0  |  提交时间：2021/02/02 Ni-Cr-Mo-B steel  ultra-heavy plate  cross-section effect  impact energy  effective grain size   Cross-Section Effect of Ni-Cr-Mo-B Ultra-Heavy Steel Plate for Offshore Platform 期刊论文  OAI收割 ACTA METALLURGICA SINICA, 2020, 卷号: 56, 期号: 9, 页码: 1227-1238 作者:  Zhang Shouqing;  Hu Xiaofeng;  Du Yubin;  Jiang Haichang;  Pang Huiyong   |  收藏  |  浏览/下载：29/0  |  提交时间：2021/02/02 Ni-Cr-Mo-B steel  ultra-heavy plate  cross-section effect  impact energy  effective grain size   Enhanced removal of trace Cr(VI) from neutral and alkaline aqueous solution by FeCo bimetallic nanoparticles 期刊论文  OAI收割 JOURNAL OF COLLOID AND INTERFACE SCIENCE, 2016, 卷号: 472, 期号: 无, 页码: 8-15 作者:  Qin, Nannan;  Zhang, Ya;  Zhou, Hongjian;  Geng, Zhigang;  Liu, Gang 收藏  |  浏览/下载：79/0  |  提交时间：2016/12/15 Feco  Bimetallic Nanoparticles  Galvanic Cell Effect  Cr(Vi)  Wastewater   Enhanced sequestration of Cr(VI) by nanoscale zero-valent iron supported on layered double hydroxide by batch and XAFS study 期刊论文  OAI收割 CHEMOSPHERE, 2016, 卷号: 148, 期号: 无, 页码: 227-232 作者:  Sheng, Guodong;  Hu, Jun;  Li, Hui;  Li, Jiaxing;  Huang, Yuying 收藏  |  浏览/下载：31/0  |  提交时间：2016/12/29 Nanoscale Zero-valent Iron Cr(Vi)  Layered Double Hydroxides  Synergistic Effect  X-ray Absorption Fine Structure (Xafs) Spectra   Simultaneous removal of Cr(VI) and phenol by persulfate activated with bentonite-supported nanoscale zero-valent iron: Reactivity and mechanism 期刊论文  OAI收割 JOURNAL OF HAZARDOUS MATERIALS, 2016, 卷号: 316, 页码: 186-193 作者:  Diao, Zeng-Hui;  Xu, Xiang-Rong;  Chen, Hui;  Jiang, Dan;  Yang, Yu-Xi 收藏  |  浏览/下载：29/0  |  提交时间：2016/12/22 Cr(VI)  Phenol  Nano zero-valent iron  Fenton-like process  Synergistic effect   Thermal decomposition of ammonium perchlorate in the presence of Cu(OH)(2)center dot 2Cr(OH)(3) nanoparticles 期刊论文  OAI收割 POWDER TECHNOLOGY, 2014, 卷号: 268, 期号: DEC, 页码: 446-451 作者:  Zheng, Xiaodan;  Li, Ping;  Zheng, Sili;  Zhang, Yi 收藏  |  浏览/下载：32/0  |  提交时间：2014/12/01 Cu(OH)(2)center dot 2Cr(OH)(3) nanoparticles  Ammonium perchlorate  Thermal decomposition  Electron transfer  Nano-effect   Thermal decomposition of ammonium perchlorate in the presence of Al(OH)(3)center dot Cr(OH)(3) nanoparticles 期刊论文  OAI收割 JOURNAL OF HAZARDOUS MATERIALS, 2014, 卷号: 268, 期号: 1, 页码: 273-280 作者:  Zhang, WenJing;  Li, Ping;  Xu, HongBin;  Sun, Randi;  Qing, Penghui 收藏  |  浏览/下载：46/0  |  提交时间：2014/05/06 Al(OH)(3)center dot Cr(OH)(3) nanoparticles  Ammonium perchlorate  Thermal decomposition  Surface hydroxyl  Nano-effect   The application of adaptive enhancement algorithm based on gray entropy in mammary gland CR image (EI CONFERENCE) 会议论文  OAI收割 2012 2nd International Conference on Consumer Electronics, Communications and Networks, CECNet 2012, April 21, 2012 - April 23, 2012, Three Gorges, China Zhang M.-H.; Zhang Y.-Y. 收藏  |  浏览/下载：39/0  |  提交时间：2013/03/25 Mammary gland is composed entirely of soft tissue with approximate density  therefore mammary gland CR medicine radiation image presents a low contrast  and slight difference changes may be a manifestation of tumor  so it is necessary to enhance mammary gland CR image to improve its visual quality in order to meet the demands of doctor's clinical diagnosis. However the general enhancement algorithms over enhance the contrast and noise  due to image details lost  aiming at the defects  a mammary gland CR medicine image adaptive enhancement arithmetic based on image gray entropy is put forward. The arithmetic adapts dizzy image to magnify selected spatial frequency response in order to enhance the edge details of mammary gland CR images. It can adjust weighted factor K according to image gray characteristics namely pixel gray entropy. Experiments results demonstrate that mammary gland CR image enhanced by the algorithm has abundant details and high signal-to-noise ratio  moreover  CR image enhanced has good visual effect. So the method is effective and fit for enhancing CR medical radiation image edge details. 2012 IEEE.   Application of adaptive enhancement means in head and neck CR image (EI CONFERENCE) 会议论文  OAI收割 2012 3rd International Conference on Information Technology for Manufacturing Systems, ITMS 2012, September 8, 2012 - September 9, 2012, Qingdao, China Zhang M.-H.; Zhang Y.-Y. 收藏  |  浏览/下载：43/0  |  提交时间：2013/03/25 Digital CR of head and neck overcomes the disadvantage of regular X-ray radiography  which can not reveal bone and soft tissue position deficiency in one exposing  and reduces the Xray radiation dose. Meanwhile  various factors cause the decline of image quality  and images must be enhanced in order to meet demands of doctor's clinical diagnosis. The general enhancement algorithms don't consider body's structure differences and density characteristics. A new adaptive CR enhancement algorithm was proposed in this article  and head and neck CR images were processed with this method and compared with linear unsharp masking method. The experiment proves that the details of CR image enhanced were abundant and enhanced CR image had good visual effect  SNR was high  as well as detail variance /background variance (DV/BV) indicating that this algorithm is suitable for head and neck CR medical images. (2012) Trans Tech Publications  Switzerland.   The research of digltal CR medicine image adapitive enhancement method (EI CONFERENCE) 会议论文  OAI收割 4th International Conference on Mechanical and Electrical Technology, ICMET 2012, July 24, 2012 - July 26, 2012, Kuala Lumpur, Malaysia Ming-Hui Z.; Yao-Yu Z. 收藏  |  浏览/下载：71/0  |  提交时间：2013/03/25 Digital CR medicine radiation image is in doctor's favor and has became medicine imaging technology new hot spot because of its high gray contrast  powerful computer disposal function  little radiation dosage  non-film diagnosis  different area consultation. But degradation of digital X-ray medical image such as low contrast and blurring during radiographic imaging  caused by complexity of body tissue and effects of X-ray scattering and electrical noise etc.  can worsen the results of analysis and diagnosis. So it is usually needed that CR medicine image is enhanced to improve its vision quality  and easy to doctor's more accurate diagnosis. The general enhancement algorithms over enhancing the contrast and lose image details  aiming at the defects  an enhancement algorithm for CR image is proposed based on the ratio of deviation to mean of domain. The arithmetic enhance CR image edge details by adjusting factor K based on the ratio of deviation to mean of domain of CR image. Experiment results demonstrate that the algorithm enhances CR image detail and CR image enhanced has good visual effect  the adaptive enhancement method is fit for CR medicine image. (2012) Trans Tech Publications  Switzerland.