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申请号:202010079048.1 公开号:CN111229201A 主分类号:B01J23/28
申请人:【中文】天津大学【EN】Tianjin University 申请日:2020.02.03 公开日:2020.06.05
摘要:【中文】本发明公开了以白钨矿型氧化物为前体的Mo基催化剂及制备方法及应用,制备方法为:(1)将钼酸铵和含镁化合物加水溶解,加入柠檬酸溶解,所述柠檬酸与钼酸铵和含镁化合物的摩尔比为1.2:0.5:0.5;(2)在步骤(1)获得的水溶液中,加入二氧化硅,二氧化硅与含镁化合物的摩尔比为(7.17‑27.63):1,放置12‑24小时,烘干,焙烧,得到以白钨矿型氧化物为前体的Mo基催化剂MgMoO4/SiO2。本发明的以白钨矿型氧化物为前体的Mo基催化剂,经过不同的还原条件得到不同价态的活性物种后,用于异丁烷直接脱氢制异丁烯反应,经过6小时的反应时间,转化率依旧稳定在12‑20%,具有很好的稳定性。 【EN】The invention discloses a Mo-based catalyst taking scheelite type oxide as a precursor, a preparation method and application thereof, wherein the preparation method comprises the following steps: (1) adding water to ammonium molybdate and a magnesium-containing compound for dissolving, and adding citric acid for dissolving, wherein the molar ratio of the citric acid to the ammonium molybdate and the magnesium-containing compound is 1.2:0.5: 0.5; (2) adding silicon dioxide into the aqueous solution obtained in the step (1), wherein the molar ratio of the silicon dioxide to the magnesium-containing compound is (7.17-27.63): 1, standing for 12-24 hours, drying and roasting to obtain the Mo-based catalyst MgMoO taking scheelite type oxide as a precursor4/SiO2. The Mo-based catalyst taking the scheelite type oxide as the precursor is used for the reaction of preparing isobutene by directly dehydrogenating isobutane after active species with different valence states are obtained under different reduction conditions, and is converted after the reaction time of 6 hoursThe rate is still stable at 12-20%, and the stability is good.
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申请号:202111219739.8 公开号:CN113675799A 主分类号:H02G3/08
申请人:江苏泽陆信息科技有限公司 申请日:2021.10.20 公开日:2021.11.19
摘要:本发明公开了一种网络通讯工程用硬件连线整理架,包括整理箱,所述整理箱的顶部通过轴承转动安装有圆轴,且圆轴的下端贯穿整理箱的顶壁并延伸至整理箱内,所述圆轴的上端过盈配合有扇叶,所述圆轴的下端套设有环形套,且圆轴与环形套之间设有传动组件,所述环形套的外侧固定安装有多个风叶。本设备能加快外界空气与整理箱内空气的交换,减少整理箱内热量的堆积,降低整理箱内部的温度,当室外风速较大时,滑动板与柔性板配合将电缆固定,避免电缆晃动幅度过大,与整理箱接触部位的外皮迅速磨损,同时滑动板还会将通风口覆盖,以免大风裹挟的沙尘通过通风口进入整理箱内,保证整理箱内的洁净,减少清洁难度。
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申请号:202111220590.5 公开号:CN113660813A 主分类号:H05K5/02
申请人:江苏泽陆信息科技有限公司 申请日:2021.10.20 公开日:2021.11.16
摘要:本发明公开了一种计算机系统集成控制柜,包括柜体和对称设置的两个柜门,所述柜体内垂直对称安装有两个隔板,所述柜体的内壁上均对称安装有多个基座筒,每个所述基座筒远离柜体内壁的一端均滑动插设有伸缩杆,每个所述伸缩杆远离基座筒的一端均固定套设有自锁块,两个所述柜门分别与多个自锁块转动连接,每个所述基座筒内均设有复位腔和自锁腔,每个所述复位腔内均滑动安装有复位滑块。通过柜门旋转与自锁块之间的配合,控制基座筒和伸缩杆的自锁和解锁,实现柜门开启后自动藏入柜体,且柜门关闭时自动合闭,降低电力驱动时的能耗以及增加手动操作使得便捷性。
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申请号:202111218823.8 公开号:CN113682899A 主分类号:B65H75/28
申请人:江苏泽陆信息科技有限公司 申请日:2021.10.20 公开日:2021.11.23
摘要:本发明公开了一种计算机硬件连线用防磨损整理架,包括固定板,所述固定板上通过多个侧板转动安装有多个转杆,且每个转杆上均固定安装有绕线辊,且每个绕线辊上均开设有绕线槽,每两个相对称的所述侧板之间均转动安装有从动杆,且每个从动杆与相应的转杆之间均安装有传动机构,每个所述从动杆上均螺纹安装有螺纹套筒,且每个螺纹套筒与相应侧板之间均安装有限位机构,每个所述绕线辊上均安装有定位机构、夹持机构。优点在于:本发明能够在进行连接线绕线的同时对其进行有序的自动排列,可使其不会相互挤压与堆积,从而避免发生磨损,又可在绕线完成后对其定位,可防止其松脱,稳定性较高。
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申请号:201610396374.9 公开号:CN105938232A 主分类号:G02B7/00(2006.01)I
申请人:长春理工大学 申请日:2016.06.07 公开日:2016.09.14
摘要:本发明涉及一种采用记忆合金驱动的GEO激光通信用可展遮光罩,属于空间激光通信技术领域。本发明提出了一种用记忆合金驱动的GEO激光通信用可展遮光罩。该遮光罩采用多个由记忆合金驱动的独立可伸展结构,在发射时,收起可展结构,减小罩外包络尺寸;发射升空后,可伸展结构能随太阳照射角度变化自动伸展或收起,抑制由阳光照射造成的光学系统温度升高。该结构不需要额外动力源和转动机构,能够实现可展遮阳板的自动伸展和收起,同时能够随太阳的照射方向自动调整遮阳板的状态,保证向阳面遮光板始终处于展开状态,遮挡阳光,背阳面遮光板始终处于收起状态,避免阳光照射到遮光罩内壁。该方法在保证遮光罩对阳光遮挡及热控效果的同时,能够有效提高可展遮光罩的可靠性,减小重量和功耗,提升可展遮光罩的可用性。
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申请号:201710796238.3 公开号:CN107543014A 主分类号:F16M11/04
申请人:北京空间飞行器总体设计部 申请日:2017.09.06 公开日:2018.01.05
摘要:一种两瓣薄壳式高稳定一体化结构,包括壳瓣片、加强筋、加强盖板、上加强角盒、下加强角盒、蜂窝底板、星敏支架、与相机连接件、上端面;各壳瓣片关于蜂窝底板对称轴对称安装,壳瓣片上部连接上端面,下部连接蜂窝底板;加强筋安装在壳瓣片两侧;上端面与壳瓣片表面之间夹角处沿周向分布上加强角盒,壳瓣片表面与蜂窝底板之间夹角处沿周向分布下加强角盒;星敏支架、与相机连接件安装在上端面上,加强盖板安装在加强筋侧面与上端面之间的夹角内。本发明通过两瓣薄壳式结构为光学相机提供充足的布局空间,同时为光学相机和星敏支架提供一体化安装平面,并满足刚度、强度、微米级热稳定设计要求。
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申请号:201911150450.8 公开号:CN110847047A 主分类号:E01D21/00
摘要:【中文】一种外海裸岩栈桥施工方法,在施工岸边初步按照梁岸操作桥,梁岸操作桥上通过打桩机将多根钢管桩按照四边形结构方位打入岩层,再在四边形结构的钢管桩根部安装多个稳定围堰架,再通过定位架进行临时稳定,再通过多根平连杆将钢管桩进行连接,连接后再钢管桩上依次安装贝雷架,贝雷架上安装走道,走道两侧安装护栏,贝雷架上的走道安装与梁岸操作桥平齐,在多根钢管桩根部安装了互相连接的稳定围堰架,稳定围堰架将多根钢管桩根部进行有效的稳定作用,提高了钢管桩的稳定性,且简化了栈桥的施工难题。 【EN】A construction method of an open sea bare rock trestle comprises the steps of preliminarily operating the trestle according to a beam bank at a construction bank, driving a plurality of steel pipe piles into a rock stratum according to a quadrilateral structure direction through a pile driver on the beam bank operation bridge, installing a plurality of stable cofferdam frames at the root parts of the steel pipe piles of the quadrilateral structure, temporarily stabilizing through a positioning frame, connecting the steel pipe piles through a plurality of flat connecting rods, sequentially installing bailey frames on the steel pipe piles after connection, installing walkways on the bailey frames, installing guardrails on two sides of the walkways, arranging the walkways on the bailey frames to be flush with the beam bank operation bridge, installing the stable cofferdam frames connected with each other at the root parts of the plurality of steel pipe piles, effectively stabilizing the root parts of the plurality of steel pipe piles through the stable cofferdam frames, improving the stability of the steel pipe piles, and simplifying the construction difficulty of.
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申请号:201911150464.X 公开号:CN110847048A 主分类号:E01D21/00
摘要:【中文】一种波形钢腹板定位施工方法,在桥梁的桥梁底板两侧安装模板,模板一侧安装脚手架,通过多个多个调节装置对波腹板进行位置调节,调节完毕后安装固定用的型钢,通过测量桥梁底板的斜度制造马凳,马凳使波腹板处于水平位置,通过吊机吊动波腹板,调节波腹板的高度,在波腹板与马凳之间放置适合高度的垫块,直至波腹板达到设计标高,在波腹板之间安装多根交叉的顶托架,顶托架一端抵靠在波腹板上,另一端抵靠在桥梁底板上,在脚手架与波腹板之间安装微调脚手管,微调脚手管一端与波腹板连接,另一端安装在脚手架上,在模板顶部安装手拉葫芦,手拉葫芦的拉线连接到波腹板的翼缘板上,定位方法简单、易操作,且所使用工作比较常规、廉价。 【EN】A method for positioning and constructing corrugated steel web plates includes installing templates on two sides of a bridge bottom plate of a bridge, installing a scaffold on one side of the templates, adjusting the position of an anti-wave web plate by a plurality of adjusting devices, installing section steel for fixing after adjustment is finished, manufacturing a split heads by measuring the inclination of the bridge bottom plate, enabling the anti-wave web plate to be in a horizontal position, hanging the anti-wave web plate by a crane, adjusting the height of the anti-wave web plate, placing a cushion block with a proper height between the anti-wave web plate and the split heads until the anti-wave web plate reaches a designed elevation, installing a plurality of crossed top brackets between the anti-wave web plates, enabling one end of each top bracket to abut against the anti-wave web plate and the other end to abut against the bridge bottom plate, installing a fine-tuning scaffold pipe between the scaffold and the anti-wave web plate, connecting one end of the fine-tuning scaffold pipe with the anti-wave web plate and the other end of the anti-wave, the positioning method is simple and easy to operate, and the used work is conventional and cheap.
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申请号:201710829212.4 公开号:CN107757950A 主分类号:B64G1/10(2006.01)I
申请人:北京空间飞行器总体设计部 申请日:2017.09.14 公开日:2018.03.06
摘要:一种高轨光学遥感卫星结构,包括承力筒(1)、燃料箱(2)、氧箱(3)、卫星平台(8)、太阳翼(11)、载荷适配结构(14)、相机(15)等;氧箱(3)安装在承力筒(1)内;各燃料箱(2)分别通过位于燃料箱(2)两端的燃料箱支架(4)和燃料箱顶部拉板(5)安装在承力筒(1)两侧;承力筒(1)、燃料箱(2)、氧箱(3)、燃料箱支架(4)、燃料箱顶部拉板(5)安装在卫星平台(8)内;相机(15)通过载荷适配结构(14)安装在卫星平台(8)顶部;太阳翼(11)分别安装在卫星平台(8)两侧。本发明实现了卫星整体质心降低、载荷安装面环境条件改善,同时满足燃料箱、氧箱等控制推进设备安装要求。
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申请号:201911323848.7 公开号:CN110964634A 主分类号:C12M1/38
申请人:【中文】吉林农业大学【EN】JILIN AGRICULTURAL University 申请日:2019.12.20 公开日:2020.04.07
摘要:【中文】本发明涉及一种无菌恒湿细菌培养实验箱装置,本发明适用于细菌培养过程中培养皿内部湿度的精确控制,内部实现闭环循环,不与外界接触,降低感染的风险。该实验箱由培养皿舱室、水箱和干燥管舱室、控制舱室组成,实验箱首先在超净工作台上进行杀菌,然后在超净工作台上将实验用细菌培养皿放入实验箱中,最后将整个实验箱放入恒温恒湿箱中。通过安装在培养皿舱室内部的温湿度传感器测得培养皿舱室内部的当前温湿度,控制舱室中的控制单元会根据当前湿度和用户设定的目标湿度进行比较,通过控制与水箱和干燥管舱室连接的气泵来进行加湿或除湿操作,实验过程中湿度变化状况会上传至服务器,操作者通过PC端软件和手机APP实时查询服务器上当前和历史记录的作业状态。 【EN】The invention relates to an aseptic constant humidity bacteria culture experiment box device which is suitable for accurately controlling the humidity inside a culture dish in the bacteria culture process, realizes closed loop circulation inside, does not contact with the outside and reduces the risk of infection. This experimental box comprises culture dish cabin, water tank and drying tube cabin, control cabin, and the experimental box disinfects on the superclean bench at first, then puts into the experimental box with the experiment with the bacterial culture dish on the superclean bench in, puts into constant temperature and humidity case with whole experimental box at last. The current humiture in the culture dish cabin is measured through installing the humiture sensor in the culture dish cabin inside, the control unit in the control cabin can carry out the comparison according to current humidity and the target humidity that the user set for, carry out humidification or dehumidification operation through the air pump of control and water tank and drying tube cabin connection, humidity change situation can upload to the server in the experimentation, the operator passes through PC end software and cell-phone APP real-time query server and goes up current and historical record's operation state.
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