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| Optoelectronic coupling element and method for its manufacture 专利 专利号: US4875750, 申请日期: 1989-10-24, 公开日期: 1989-10-24 作者: SPAETH, WERNER; WAITL, GUENTHER; KUHLMANN, WERNER; ALTHAUS, HANS-LUDWIG; BIRKMANN, ROLF
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:10/0  |  提交时间:2019/12/24 |
| Semiconductor laser 专利 专利号: JP1989202886A, 申请日期: 1989-08-15, 公开日期: 1989-08-15 作者: TSUNEKAWA YOSHIFUMI
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:11/0  |  提交时间:2020/01/18 |
| 晶体结构数据库的在线管理及初步应用 学位论文 硕士: 中国科学院研究生院, 1989 张英
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:89/0  |  提交时间:2014/07/03 |
| 薯蓣属植物甾体甙元和甾体皂甙对研究 学位论文 硕士, 1989 赵继红
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:14/0  |  提交时间:2011/05/09
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| Constant wavelength oscillation semiconductor laser 专利 专利号: JP1989050492A, 申请日期: 1989-02-27, 公开日期: 1989-02-27 作者: MITA AKIRA
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:9/0  |  提交时间:2019/12/31 |
| Preservation of surface features on semiconductor surfaces 专利 专利号: US4805178, 申请日期: 1989-02-14, 公开日期: 1989-02-14 作者: WILT, DANIEL P.
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:5/0  |  提交时间:2019/12/26 |
| SYNTHESIS AND SPECTRAL AND STRUCTURAL CHARACTERISTICS OF CYANO SUBSTITUTED HETEROCYCLIC KETENE AMINALS 期刊论文 ACTA CHIMICA SINICA, 1989, 卷号: 47, 期号: 9, 页码: 890-895 作者: WANG, XJ; HUANG, ZT
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:2/0  |  提交时间:2019/04/09 |
| HYDROGEN PERMEATION BEHAVIOR IN AUSTENITIC STAINLESS-STEELS 期刊论文 Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing, 1989, 卷号: 114, 页码: 179-187 X. K. Sun; J. A. Xu; Y. Y. Li
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:26/0  |  提交时间:2012/04/14 |
| DISLOCATION-STRUCTURES INDUCED BY CYCLIC DEFORMATION IN DUAL-PHASE FERRITIC MARTENSITIC MICROSTRUCTURES 期刊论文 Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing, 1989, 卷号: 113, 页码: 259-265 Z. G. Wang; Z. M. Sun; S. H. Ai
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:7/0  |  提交时间:2012/04/14 |
| ANALYSIS OF FRACTAL CHARACTERISTICS OF FRACTURED SURFACES BY SECONDARY-ELECTRON LINE SCANNING 期刊论文 Materials Science and Engineering a-Structural Materials Properties Microstructure and Processing, 1989, 卷号: 118, 页码: 19-24 Z. H. Huang; J. F. Tian; Z. G. Wang
![](/themes/default/image/downing1.png) 收藏  |  浏览/下载:2/0  |  提交时间:2012/04/14 |