DAI YIMIN (Total 259 Patents Found)

The invention discloses an automatic lifting device for a wind speed monitor for a wind tunnel. The automatic lifting device comprises a bottom plate; a portal bracket is fixedly connected to the bottom plate; a rotating threaded stand column is arranged between a cross beam at the top of the portal bracket and the bot...
本实用新型公开了一种可移动同步实测台风风特性与结构表面风压追风车。本实用新型包括一台具有钢平板长方体车厢的商用车,车厢的左右侧面、顶面和后面钢平板上设有测孔,车厢的项面两对角并高于顶面的位置分别安装有一个风速仪;...
The invention relates to a preparation method of pinellia tuber drink tablets, which is characterized in that: the preparation method comprises the steps that: impurities are removed from pinellia tuber original medicine; the pinellia tuber original medicine is soaked in alum solution till no dried core found after soa...
The utility model discloses a gravity self-discharging type top side tank ballast water discharging device. The gravity self-discharging type top side tank ballast water discharging device comprises a ballast well arranged below a top side tank, the ballast well is communicated through a deck surface valve, the deck su...
The invention relates to a high stability iron / manganese catalyst for fluidized bed Fischer-Tropsch synthesis and a preparation method thereof, and mainly solves problems in a prior art that because the Fischer-Tropsch synthesis reaction is a strong exothermic reaction, when a fixed bed is used, heat in the reactor i...
本发明涉及一种铁基合成气制烯烃催化剂、制备方法及其用途,主要解决现有费托合成中C2-C4烯烃选择性差的问题。本发明通过采用以重量份数计含有如下组分:a)50~100份组成为TixSi1-XO2的载体,x为钛的摩尔份数,0<x<0.8;和载于其上的b)5~50...
本发明公开了一种多尺度绿色化学促进剂配方,包括生物质主料和非生物质辅料,所述生物质主料包括以下重量组份:谷物混合料32-82份,植物蛋白混合料23-67份,植物脂肪16-46份,植物纤维12-56份,微生物混合料4-32份;所述非生物质辅料包括...
The utility model discloses a cyclonic-wind ceiling fan which can move in a conical pendulum mode and is formed by that a common ceiling fan is additionally provided a slewer. The slewer mainly comprises a slewing frame, a pendulum rod assembly, a pin shaft, a hanging shaft, a thrust ball bearing, an electric brush, a ...
本发明涉及一种制备丙烯腈的流化床催化剂,主要解决现有技术存在的丙烯腈负荷和反应压力较低的问题。本发明通过以二氧化硅为载体和以原子比计化学式如下的组合物:A<sub>a</sub>B<sub>b</sub>C<sub>c</sub>D<sub>d<...
本发明涉及一种用于合成轻质烃的铁基催化剂及其制备方法。主要解决现有技术中由于费托合成反应为强放热反应,使用固定床时,反应器内撤热困难,易飞温,使催化剂容易失活;使用流化床时,反应温度高,汽柴油组分选择性相对较低的...
The utility model discloses a six weight measured force balance fixing device in wind -tunnel. The utility model discloses a through the cylindric support of bolt fastening in carousel lower part support center department, there is the steel disc through the bolt fastening on the cylindric support, measured force balan...
本发明公开了一种山苦瓜家庭种植方法,由于食品安全问题,农药、肥料的滥用、错用,将田间种植的山苦瓜转移到家庭种植,在一定程度上解决这个问题。本发明的具体种植方法包括以下步骤:(1)种植容器,(2)基质准备,(3)催芽育...
本实用新型属于土木工程技术领域,具体涉及一种主要用于研究所有建、构筑物或大跨桥梁、海洋平台等结构风夹雨环境水平及竖向雨量的实测装置。本实用新型包括同方向安装于建、构筑物结构表面的水平雨量实测装置和竖向雨量实测装置...
The utility model relates to a small shaft transmission device for a fore peak tank ballast valve, which comprises an electric driving device (1), wherein the electric driving device (1) is arranged on a base (10) arranged on the surface of an upper deck (2), the control end of the electric driving device (1) is connec...
本发明涉及一种丙烯氨氧化生产丙烯腈的流化床催化剂,主要解决以往技术中未涉及较高的丙烯负荷和较高的压力情况的问题。本发明通过采用含有二氧化硅载体和以原子比计化学式如下的组合物:A<sub>a</sub>B<sub>b</sub>C<sub&...
The utility model discloses a condensate relief device. The condensate relief device comprises a first relief barrel, the side wall of the first relief barrel is connected with a plurality of water inlet pipelines, the top of the first relief barrel is connected with one end of a U-shaped elbow, and the diameter of the...
The utility model relates to a biodiesel continuous production device, which comprises a first order reaction device and a second order reaction device, wherein the first order reaction device is communicated with the second order reaction device through a middle channel; the first order reaction device comprises a fee...
本实用新型公开了一种船舶主辅机排气泄放收集装置,其包括柜体,所述柜体内设置有水,所述柜体上方一侧设置有进水口,所述进水口连通进水管,所述进水口处设置有自动补水阀;船舶主辅机的烟灰水泄放管伸入所述柜体内,且泄放管末...
The invention discloses a marine main engine and auxiliary machine venting, discharging and collecting apparatus. The apparatus comprises a cabinet body, water is arranged in the cabinet body, one side of the upper portion of the cabinet body is provided with a water inlet, the water inlet is connected with a water inl...
The utility model discloses a large scale and high turbulent wind field arrangement structure. It includes the vertical wedge of evenly arranging in hole body ground lateral separation of several, link firmly a sawtooth baffle in the bottom of wedge, linked firmly another transverse baffle on the well upper portion of ...
本实用新型提供了一种风洞试验格栅固定装置,包括立柱、底座及螺旋套筒,所述的立柱的下端固定安装在底座上,立柱的顶部设有外螺纹,并与螺旋套筒螺接;所述的底座上设有多个安装孔。本实用新型结构简单,成本低;本实用新型通过...
本实用新型涉及一种铁皮石斛仿生态种植简易大棚,包括大棚本体,所述大棚本体内腔间隔布置有若干种植架,每个种植架均包含倾斜设置的支撑框架以及若干与地面接触的支撑腿,每个支撑框架上均从左到右间隔布置有若干用以绑种铁皮石...
本发明公开了一种水平踏板登船斜梯的连接方法,它包括以下步骤:步骤一,首先准备斜梯的上侧板(3)与下侧板(4)之间连接的联板(8);步骤二,然后将联板(8)的上部与上侧板(3)用螺栓联接,联板(8)的下部为圆钢(7),圆钢(7)穿过下侧板(4)的连接...
The utility model discloses an oil seal disassembling structure for a speed reducer. The oil seal disassembling structure for the speed reducer comprises a transparent cover, an oil seal, hexagonal head bolts and an input shaft. The oil seal is arranged on the outer wall of the input shaft in a sleeved mode and penetra...
本发明涉及一种赤芍饮片的制备方法,其特征在于,其方法为:将原药材除去残茎及杂质,用滚筒式洗药机清洗至净,放置箩筐中置阴凉处润,在1-24小时中淋水1~2次,使赤芍润至能弯而不易折断,用直线往复式切药机切,调节片厚1-2mm,切成...
The utility model discloses a B class wind field arrangement structure, including wind -tunnel, a plurality of wedge, the coarse unit of multiunit and lift appearance, a plurality of wedges wind gap of being close to the wind -tunnel set up, a plurality of wedges are located the straight line of a perpendicular to wind...
本实用新型涉及一种铁皮石斛雾培式种植装置,包括底座,所述底座顶部设置有雾化室,所述雾化室内架设有用以种植铁皮石斛的种植杯,所述雾化室内壁设置有雾化模块,所述底座上设置有与雾化模块相连接的控制模块。本实用新型结构设...
本发明涉及在较温和的条件下用于羟基丙酮加氢制备1,2-丙二醇的催化剂及其制备和应用。所述催化剂为铜与铬的复合氧化物或钴与铬的复合氧化物,其中Cu/Cr以及Co/Cr的原子比分别为1∶5-5∶1。该催化剂能在较温和的条件下催化羟基丙酮加氢...
The invention provides a recombinant suipoxvirus vector vaccine for expression of a porcine circovirus type 2 capsid protein. The recombinant suipoxvirus vector vaccine comprises a suipoxvirus vector and a porcine circovirus type 2 ORF2 gene. According to the recombinant suipoxvirus vector vaccine, SPV017-SPV020 genes ...
The utility model discloses a wind field arrangement structure of different scaling factors, including a plurality of wedges, a plurality of coarse unit, baffle and lift appearance, the even equidistance of wedge arrange in the wind gap of wind -tunnel department that wedge bottom is connected with the wind -tunnel, be...
本实用新型属于土木工程技术领域,具体涉及一种主要用于所有建、构筑物或大跨桥梁、海洋平台等结构风载特性研究的风夹雨结构表面作用力实测装置。本实用新型包括并列安装于桥梁或建筑物或构筑物结构表面上的风压监测箱和风夹雨作...
本发明提供了一种以猪痘病毒为表达载体表达兔瘟病毒VP60基因的重组疫苗,该重组疫苗包含猪痘病毒载体和兔病毒性出血症病毒(RHDV)VP60基因。本发明所述的重组疫苗是以猪痘病毒作为表达载体,将兔病毒性出血症病毒VP60基因为外源基因克...