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浏览/检索结果: 共44条，第1-10条 帮助

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Mechanisms of upper ocean chlorophyll a response to fast-moving Typhoon Hagupit in South China Sea 期刊论文  OAI收割
JOURNAL OF OCEANOLOGY AND LIMNOLOGY, 2025, 页码: 17
作者:  Wang, Haoyu;  Yang, Bing;  Yin, Yuqi;  Hu, Po
  |  收藏  |  浏览/下载：2/0  |  提交时间：2025/12/09
On oxidation film structure of SIMP steel exposed in stagnant oxygen-saturated LBE at 600 °C 期刊论文  OAI收割
CORROSION SCIENCE, 2024, 卷号: 230, 页码: 13
作者:  Zhang, Lingling;  Yan, Wei;  Shi, Xianbo;  Li, Yanfen;  Shi, Quanqiang
  |  收藏  |  浏览/下载：3/0  |  提交时间：2025/04/27
On oxidation film structure of SIMP steel exposed in stagnant oxygen-saturated LBE at 600 °C 期刊论文  OAI收割
CORROSION SCIENCE, 2024, 卷号: 230, 页码: 13
作者:  Zhang, Lingling;  Yan, Wei;  Shi, Xianbo;  Li, Yanfen;  Shi, Quanqiang
  |  收藏  |  浏览/下载：2/0  |  提交时间：2025/04/27
Tension-compression mechanical behavior and corresponding microstructure evolution of cast A356-T6 aluminum alloy 期刊论文  OAI收割
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2021, 卷号: 821, 页码: 11
作者:  Yang, Baocheng;  Song, Hongwu;  Wang, Songwei;  Chen, Shuaifeng;  Zhang, Shihong
  |  收藏  |  浏览/下载：94/0  |  提交时间：2021/10/15
The negative effect of solution treatment on the age hardening of A356 alloy 期刊论文  OAI收割
Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing, 2013, 卷号: 566, 页码: 112-118
H. C. Long; J. H. Chen; C. H. Liu; D. Z. Li; Y. Y. Li
收藏  |  浏览/下载：38/0  |  提交时间：2013/12/24
Rapid Flu Diagnosis Using Silicon Nanowire Sensor 期刊论文  OAI收割
NANO LETTERS, 2012, 卷号: 12, 期号: 7, 页码: 3722-3730
作者:  Shen, Fangxia;  Wang, Jindong;  Xu, Zhenqiang;  Wu, Yan;  Chen, Qi
  |  收藏  |  浏览/下载：46/0  |  提交时间：2019/04/09
Experimental study on formability of bulk metallic glass as mold for microstructure replication (EI CONFERENCE) 会议论文  OAI收割
作者:  Liu J.;  Lin J.;  Huang Y.;  Liu J.;  Liu J.
收藏  |  浏览/下载：74/0  |  提交时间：2013/03/25
La62Al14Cu12Ni12BMG is introduced as a substitute for silicon which was widely used as mold material for nanofabrication. For the purpose of precise microstructure replication and complete filling  effects of various imprint parameters  including imprint temperature  imprint time and compression load  on formability of La 62Al14Cu12Ni12BMG are studied and discussed. Scanning electron microscope images and results of thermal analysis are used to characterize the filling effect of La62Al 14Cu12Ni12BMG. In particular  correlations between time and thermodynamic properties are presented. Despite of its high viscosity at crystallization temperature and its narrow supercooled liquid region  La62Al14Cu12Ni12BMG is proved to be a durable and promising material which can precisely replicate the patterns of silicon mold and then transfer its own patterns on Ce 69Al10Cu20Co1BMG and PMMA. 2012 Elsevier B.V. All rights reserved.  
Technology on fabrication of precise SiC aspherical mirror (EI CONFERENCE) 会议论文  OAI收割
2011 International Conference on Materials and Products Manufacturing Technology, ICMPMT 2011, October 28, 2011 - October 30, 2011, Chengdu, China
Zhang Z.
收藏  |  浏览/下载：39/0  |  提交时间：2013/03/25
This paper represents a technique to produce the large size optical aspherical mirror by using reaction-bonded silicon carbide to meet the material requirements of the space used mirrors  based on the characters comparison of all types mirror material. Techniques are described in this paper  including the bonding procedure of silicon carbide to form a mirror shape  the CCOM technology for aspheric grinding  polishing on a home-developed tool -FSGJ-2  and the aspheric profilometry. A specialized Offner Null lens is also developed to measure the aspherical mirror with laser interferometer. With the technology depicted in the paper  a 502mm 298 mm off-axis SiC aspherical mirror is successfully made with a surface accuracy better than 1/50rms  the final result meets the design requirement. (2011) Trans Tech Publications.  
Information extraction from laser speckle patterns using wavelet entropy techniques (EI CONFERENCE) 会议论文  OAI收割
MIPPR 2011: Multispectral Image Acquisition, Processing, and Analysis, November 4, 2011 - November 6, 2011, Guilin, China
作者:  Li X.-Z.;  Wang X.-J.
收藏  |  浏览/下载：52/0  |  提交时间：2013/03/25
A novel speckle patterns processing method is presented using multi-scale wavelet techniques. Laser speckle patterns generated from the sample contained abundant information. In this paper  we propose a method using wavelet entropy techniques to analyze the speckle patterns and exact the information on the sample surface. In our case  we used this approach to test the solar silicon cell surface profiles based on the sym8 orthogonal wavelet family. According different wavelet entropy values  the micro-structure of different solar silicon cell surfaces were comparative analyzed. Furthermore  we studied the AFM and reflective spectra of the wafer. Results show that the wavelet entropy speckle processing method is effective and accurate. And the experiment proved that this method is a useful tool to investigate the surface profile quality. 2011 SPIE.  
Design and test of pointing mirror assembly for spaceborne remote sensing camera (EI CONFERENCE) 会议论文  OAI收割
2011 International Conference on Electronics, Communications and Control, ICECC 2011, September 9, 2011 - September 11, 2011, Ningbo, China
作者:  Chen W.
收藏  |  浏览/下载：48/0  |  提交时间：2013/03/25
In order to ensure the surface figure of the pointing mirror (460mm long  290mm wide) in spaceborne remote sensing camera  Silicon Carbide was selected as the mirror material. The form of composite triangular and rectangular and the combination of open and closed back was explored in the lightweight design. A new kinematic mount and flexible structure in axis is used to hold the mirror around the lateral surface. The structure can minimize distortions induced by coefficient of thermal expansion mismatch among the materials. This eliminates the bending of the integral mount under the weight of the mirror. Optical performance of the mirror was analyzed under gravity load and temperature load using finite element method. Predicted surface figure error based on the removal of bias  tilt and power was calculated using an in-house Matlab script for mirrors. The pointing mirror assembly was tested using open loop servo control. And the surface figure was checked using interferometer. Surface figure accuracy is better than 1/30 ( 632.8nm  rms). The results show that the kinematic mount induces minimal figure error on the optical surface. 2011 IEEE.