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| METHOD AND DEVICE FOR PREPARING KARST CAVE BASED ON 3D PRINTING TECHNOLOGY 专利
申请日期: 2018-11-22, 公开日期: 2018-11-22
作者: Li SC(李术才); Xu ZH(许振浩); Gao B(高斌); Wang XT(王欣桐); Wang WY(王文扬)
  收藏 | 浏览/下载：11/0 | 提交时间：2020/01/04 |
| Preparing support composite metal oxide catalyst, comprises e.g. taking aluminum oxide pellet as carrier, washing, soaking in hydrochloric acid, rinsing and drying, sonicating, drying and calcining and screening. 专利
申请日期: 2018-01-01, 公开日期: 2018-04-13
作者: YANG F TANG Y LIU B
收藏 | 浏览/下载：4/0 | 提交时间：2019/12/02 |
| Device for testing torsional coupling performance of flexible cable and cable structure, has stretching actuator that drives twisted helical rod to spirally feed through hole. 专利
申请日期: 2018-01-01, 公开日期: 2018-05-29
作者: YAN J HU H SU Q ZHOU B LIU J XU J
收藏 | 浏览/下载：4/0 | 提交时间：2019/12/02 |
| High speed mechanical switch multi-field coupling simulation calculation method, involves performing bounce playground coupling filed simulation analysis of switch to generate displacement curve of switch according to repulsion force. 专利
申请日期: 2018-01-01, 公开日期: 2018-05-08
作者: LI Z TIAN Y DONG E XU X ZHU Y LIU B
收藏 | 浏览/下载：11/0 | 提交时间：2019/12/02 |
| Water down flow etching process oceanic natural gas hydrate exploitation method, involves controlling hydrate decomposition speed, determining hydrate mining and extracting period, and performing passage backfill and reusing operations. 专利
申请日期: 2018-01-01, 公开日期: 2018-03-23
作者: SONG Y CHEN B YANG M LIU W ZHAO J Z
收藏 | 浏览/下载：3/0 | 提交时间：2019/12/02 |
| Continuous ultrasonic cleaning of molten iron in spheroidization package, involves placing ultrasonic probe deep into spheroidization package after ultrasonic treatment of molten iron in ductile iron smelting process, and cleaning. 专利
申请日期: 2018-01-01, 公开日期: 2018-02-09
作者: ZHOU B LIU H ZHANG X CAI Y MENG L M
收藏 | 浏览/下载：5/0 | 提交时间：2019/12/02 |
| Photocatalytic material and dual-photocatalytic electrode self-bias pollution control system comprises reactor, aeration device and power generation device, where reactor is square quartz single-chamber reactor. 专利
申请日期: 2018-01-01, 公开日期: 2018-04-24
作者: LIU L LA B ZHANG Y
收藏 | 浏览/下载：12/0 | 提交时间：2019/12/02 |
| Cast austempered ductile iron for engine crankshaft, is prepared by controlled casting cooling processing of ductile iron comprising carbon, silicon, manganese, molybdenum, nickel, phosphorus, sulfur, magnesium, copper and iron. 专利
申请日期: 2018-01-01, 公开日期: 2018-02-23
作者: ZHANG X CAI Y ZHOU B LIU H MENG L M
收藏 | 浏览/下载：9/0 | 提交时间：2019/12/02 |
| Device for enhancing pressure uniformity of bolt sealing fuel battery assembly, has single battery placed between two collector plates and formed with circular bolt hole, where position and size of circular bolt hole are determined. 专利
申请日期: 2018-01-01, 公开日期: 2018-03-16
作者: WU C LIU H LIU B CHEN X ZHANG W XIO
收藏 | 浏览/下载：4/0 | 提交时间：2019/12/02 |
| Non-open efficient turbine guide vane cooling device integrated double-layer liquid absorbing core, has and rib is attached to outside double-layer liquid absorbing core through capillary for circulating liquid medium to cool turbine blade. 专利
申请日期: 2018-01-01, 公开日期: 2018-02-13
作者: LIU H JIA M LV B YAN Y CAI C ZHANG
收藏 | 浏览/下载：8/0 | 提交时间：2019/12/02 |
