当前查询到323条专利与查询词 "【中文】东北林业大学【EN】NORTHEAST FORESTRY University"相关,搜索用时1.0468608秒!排序方式:
发明专利:70实用新型: 200外观设计: 53
70 条,当前第 1-10 条 下一页 最后一页 返回搜索页
申请号:201911017609.9 公开号:CN110845606A 主分类号:C07K16/10
申请人:【中文】东北林业大学【EN】NORTHEAST FORESTRY University 申请日:2019.10.24 公开日:2020.02.28
摘要:【中文】一种赤瓟花叶病毒的多克隆抗体制备及ELISA检测方法,所述制备方法包括如下步骤:以赤瓟花叶病毒核酸基因组RNA为模板,基于赤瓟花叶病毒保守CP蛋白核苷酸序列,采用引物ThDMV‑CP1和ThDMV‑CP2进行RT‑PCR扩增,扩增产物经纯化后连接于pET‑30a(+)表达载体上,并对CP蛋白进行表达和纯化,将纯化蛋白与弗氏佐剂混合免疫兔子,采集兔子血液,经亲和层析纯化获得赤瓟花叶病毒多克隆抗体。本发明利用ThDMV病毒制备出相应的特异性多克隆抗体,并建立了具有高特异性和灵敏性的相应的间接ELISA检测病毒方法,具有操作方便、灵敏度高、特异性强、成本低等优势,同时适于大批量样品检测。 【EN】A method for preparing polyclonal antibody of Thladiantha dubia mosaic virus and ELISA detection comprises the following steps: the Thladiantha dubia mosaic virus polyclonal antibody is obtained by taking the RNA of the Thladiantha dubia mosaic virus nucleic acid genome as a template, carrying out RT-PCR amplification by adopting primers ThDMV-CP1 and ThDMV-CP2 based on the conserved CP protein nucleotide sequence of the Thladiantha dubia mosaic virus, purifying and connecting an amplification product to a pET-30a (+) expression vector, expressing and purifying the CP protein, mixing the purified protein with Freund's adjuvant to immunize rabbits, collecting rabbit blood, and purifying by affinity chromatography. The invention utilizes ThDMV virus to prepare corresponding specific polyclonal antibody, establishes a corresponding indirect ELISA virus detection method with high specificity and sensitivity, has the advantages of convenient operation, high sensitivity, strong specificity, low cost and the like, and is suitable for detecting large-batch samples.
详细信息 下载全文

申请号:201911170872.1 公开号:CN110839512A 主分类号:A01G25/02
申请人:【中文】东北林业大学【EN】NORTHEAST FORESTRY University 申请日:2019.11.26 公开日:2020.02.28
摘要:【中文】本发明公开了一种多功能的苗圃自动浇灌装置,包括蓄水箱、抽水泵、喷淋杆、液压支柱、雨水收集装置、控制器,所述蓄水箱右端设有进水管,所述进水管上设有抽水泵,所述蓄水箱顶部的中端设有与转动片一连接的液压支柱,所述液压支柱与喷淋杆固定连接,所述喷淋杆上设有浇灌喷头,所述驱动电机输出端连接有驱动转轮,所述驱动转轮外侧绕接有传动皮带,所述传动皮带另一侧绕接在从动转轮上,所述从动转轮顶部与转动竖杆连接,所述转动竖杆的另一端与雨水收集装置转动连接,所述抽水泵和驱动电机与控制器电性连接,所述控制器上设有手机连接装置。这种多功能的苗圃自动浇灌装置因其功能全面、操作方便,适合对大型苗圃进行定时定量的浇灌。 【EN】The invention discloses a multifunctional automatic nursery garden watering device which comprises a water storage tank, a water suction pump, a spray rod, a hydraulic support column, a rainwater collecting device and a controller, wherein a water inlet pipe is arranged at the right end of the water storage tank, the water suction pump is arranged on the water inlet pipe, the hydraulic support column connected with a rotating sheet is arranged at the middle end of the top of the water storage tank, the hydraulic support column is fixedly connected with the spray rod, a watering spray head is arranged on the spray rod, a driving rotating wheel is connected to the output end of a driving motor, a driving belt is wound on the outer side of the driving rotating wheel, the other side of the driving belt is wound on a driven rotating wheel, the top of the driven rotating wheel is connected with a rotating vertical rod, the other end of the rotating vertical rod is rotatably connected with the rainwater collecting device, the water suction pump and the driving motor are. The multifunctional automatic nursery watering device is comprehensive in function and convenient to operate, and is suitable for watering large-scale nursery at regular time and quantity.
详细信息 下载全文

申请号:201810977980.9 公开号:CN110860311A 主分类号:B01J31/06
申请人:【中文】东北林业大学【EN】NORTHEAST FORESTRY University 申请日:2018.08.27 公开日:2020.03.06
摘要:【中文】本发明涉及一种磺酸化的纤维素基离子液体催化剂及其制备方法,属于固态催化剂技术领域。该方法克服了离子液体对纤维素的溶解性,并将纤维素作为合成离子液体的基质。制备方法为以多孔纤维素微球为基质,利用化学接枝手段依次将咪唑和磺酸基团接枝到纤维素微球上,再利用分子间的离子键键合酸性阴离子,制备出一系列磺酸化的纤维素基离子液体催化剂。所制备的纤维素基离子液体催化剂既具有纤维素的生物相容性,又具有离子液体的高催化活性,且生产成本低,原料来源广泛,易于分离并且重复使用次数高,可广泛应用于各种催化领域。 【EN】The invention relates to a sulfonated cellulose-based ionic liquid catalyst and a preparation method thereof, belonging to the technical field of solid catalysts. The method overcomes the dissolubility of the ionic liquid to the cellulose, and takes the cellulose as a substrate for synthesizing the ionic liquid. The preparation method comprises the steps of taking porous cellulose microspheres as a substrate, grafting imidazole and sulfonic acid groups onto the cellulose microspheres in sequence by using a chemical grafting means, and bonding acid anions by using intermolecular ionic bonds to prepare a series of sulfonated cellulose-based ionic liquid catalysts. The prepared cellulose-based ionic liquid catalyst has the biocompatibility of cellulose, has the high catalytic activity of ionic liquid, is low in production cost, wide in raw material source, easy to separate and high in repeated use frequency, and can be widely applied to various catalytic fields.
详细信息 下载全文

申请号:201911173727.9 公开号:CN110868356A 主分类号:H04L12/771
申请人:【中文】东北林业大学【EN】NORTHEAST FORESTRY University 申请日:2019.11.26 公开日:2020.03.06
摘要:【中文】一种智能安全路由的控制方法及其智能安全路由器,属于路由装置领域,本发明提供一种安全性强、处理效率高、准确率高、散热性能好的智能安全路由的控制方法及其智能安全路由器。本发明中,控制电路集成在电路主板上,电路主板设置于机身内部,电源模块用于供电,设置双CPU控制模式和双以太网控制模式,并对异常状况进行处理,复位电路模块用于控制路由器断路后复位重启,存储模块用于存储数据和存储恶意流量攻击特征,WAN接口作为入口,LAN接口作为出口;多个天线设置于机身侧面且与电路主板电连接,多个散热风扇设置于电路主板四周且与电路主板电连接,机身上开设有与多个散热风扇对应的多个散热口。本发明主要用于网络传输。 【EN】The invention provides a control method of an intelligent safety route and an intelligent safety router thereof, belonging to the field of routing devices. In the invention, a control circuit is integrated on a circuit mainboard, the circuit mainboard is arranged in a machine body, a power supply module is used for supplying power, setting a double CPU control mode and a double Ethernet control mode and processing abnormal conditions, a reset circuit module is used for resetting and restarting after controlling a router to be disconnected, a storage module is used for storing data and storing malicious flow attack characteristics, a WAN interface is used as an inlet, and a LAN interface is used as an outlet; the plurality of antennas are arranged on the side face of the machine body and electrically connected with the circuit main board, the plurality of cooling fans are arranged around the circuit main board and electrically connected with the circuit main board, and a plurality of cooling ports corresponding to the plurality of cooling fans are formed in the machine body. The invention is mainly used for network transmission.
详细信息 下载全文

申请号:201911174830.5 公开号:CN110863567A 主分类号:E04B1/26
申请人:【中文】东北林业大学【EN】NORTHEAST FORESTRY University 申请日:2019.11.26 公开日:2020.03.06
摘要:【中文】本发明公开了一种可调控预应力钢填板螺栓连接梁柱装置,包括胶合木、连接钢、预应力筋、锚具、张拉装置、转向块;其中胶合木包括木柱和木梁,木柱和木梁连接的节点位置内设置有一钢填板;转向块位于木柱的两侧,且固定设置于木梁上;连接钢固定安装于木梁的末端,连接钢的侧面设有楔形钢垫,楔形钢垫内设置有第一凹槽,第一凹槽内嵌有第一轴承;张拉装置包括钢板、螺杆,钢板上设置有一螺纹孔,螺杆穿过螺纹孔与第一轴承的内圈固定连接;预应力筋穿过锚具、钢板、连接钢、转向块,且末端锚固于锚具上。本发明提高了胶合木钢填板螺栓连接节点受力性能,还可通过预应力调控,对节点的变形进行恢复,减小结构损伤。 【EN】The invention discloses an adjustable prestressed steel filling plate bolt connecting beam column device, which comprises laminated wood, connecting steel, prestressed tendons, an anchorage device, a tensioning device and a steering block, wherein the laminated wood is provided with a plurality of steel plates; the laminated wood comprises a wood column and a wood beam, and a steel filling plate is arranged in a joint position where the wood column and the wood beam are connected; the steering blocks are positioned on two sides of the wood column and fixedly arranged on the wood beam; the connecting steel is fixedly arranged at the tail end of the wood beam, a wedge-shaped steel pad is arranged on the side surface of the connecting steel, a first groove is formed in the wedge-shaped steel pad, and a first bearing is embedded in the first groove; the tensioning device comprises a steel plate and a screw rod, wherein the steel plate is provided with a threaded hole, and the screw rod penetrates through the threaded hole to be fixedly connected with the inner ring of the first bearing; the prestressed tendon passes through the anchorage device, the steel plate, the connecting steel and the steering block, and the tail end of the prestressed tendon is anchored on the anchorage device. The invention improves the stress performance of the bolt connection joint of the laminated wood steel filler plate, and can recover the deformation of the joint by prestress regulation and control to reduce the structural damage.
详细信息 下载全文

申请号:201911241732.9 公开号:CN110859067A 主分类号:A01C1/00
申请人:【中文】东北林业大学【EN】NORTHEAST FORESTRY University 申请日:2019.12.06 公开日:2020.03.06
摘要:【中文】一种延长蒙古柳种子寿命的保活方法,本发明涉及蒙古柳种子的保活方法。解决现有蒙古柳种子难收集,保存期短,易失活,而现有种子贮藏技术,过程繁琐,方法复杂,不利于大规模种子贮藏的问题。方法:一、收集蒙古柳种子;二、控制含水率;三、密封避光储存,即完成延长蒙古柳种子寿命的保活方法。本发明用于延长蒙古柳种子寿命的保活。 【EN】The invention discloses a keep-alive method for prolonging the service life of salix mongolica seeds, and relates to a keep-alive method for salix mongolica seeds. The method solves the problems that the prior salix mongolica seeds are difficult to collect, short in storage period and easy to inactivate, and the prior seed storage technology is complex in process, complex in method and not beneficial to large-scale seed storage. The method comprises the following steps: firstly, collecting salix mongolica seeds; secondly, controlling the water content; and thirdly, sealing and storing in a dark place to finish the life-keeping method for prolonging the service life of the salix mongolica seeds. The method is used for prolonging the life of the salix mongolica seeds.
详细信息 下载全文

申请号:201911124384.7 公开号:CN110887512A 主分类号:G01D5/248
申请人:【中文】东北林业大学【EN】NORTHEAST FORESTRY University 申请日:2019.11.15 公开日:2020.03.17
摘要:【中文】一种双磁聚焦转速、扭矩、角度传感器及转速、扭矩、角度的计算方法属于传感器领域;现有传感器结构复杂,才能提取线性信号;本装置包括激励线圈采用形状为弯曲成圆弧状矩形;每层激励线圈柔性电路板印制一个激励线圈,激励线圈柔性电路板固定于罩壳内部,罩壳通过罩壳把手固定内部激励线圈柔性电路板和定子处理电路,并分别设置贴于待测轴的轴输入端和轴输出端上;接收线圈A和接收线圈B为若干个矩形围成一圈,矩形的面积由小到大排列,转子电路板上印制有转子信号处理电路;接收线圈A、接收线圈B分别设置在轴输入端和轴输出端;本装置提取的信号为高低电平形式,结构简单;本方法1、本方法2和本方法3计算方法简单、准确。 【EN】A double magnetic focusing sensor for rotating speed, torque and angle and a method for calculating the rotating speed, torque and angle belong to the field of sensors; the existing sensor has a complex structure, and linear signals can be extracted; the device comprises an excitation coil bent into an arc rectangle; each layer of excitation coil flexible circuit board is printed with an excitation coil, the excitation coil flexible circuit board is fixed in the housing, the housing fixes the internal excitation coil flexible circuit board and the stator processing circuit through the housing handle, and the internal excitation coil flexible circuit board and the stator processing circuit are respectively arranged and attached to the shaft input end and the shaft output end of the shaft to be measured; the receiving coil A and the receiving coil B are formed by a plurality of rectangles in a circle, the areas of the rectangles are arranged from small to large, and a rotor signal processing circuit is printed on a rotor circuit board; the receiving coil A and the receiving coil B are respectively arranged at the shaft input end and the shaft output end; the signal extracted by the device is in a high-low level form, and the structure is simple; the method 1, the method 2 and the method 3 are simple and accurate in calculation method.
详细信息 下载全文

申请号:201911124385.1 公开号:CN110887522A 主分类号:G01D21/02
申请人:【中文】东北林业大学【EN】NORTHEAST FORESTRY University 申请日:2019.11.15 公开日:2020.03.17
摘要:【中文】一种磁聚焦式转速、扭矩一体化传感器及转速、扭矩计算方法属于传感器领域;现有传感器结构复杂,才能提取线性信号;本装置包括轴输入采集端和轴输出采集端结构相同,分别设置在轴输入端和轴输出端;轴输入采集端包括激励线圈,形状为弯曲成圆弧状矩形;印制在柔性电路板上,若干层的柔性电路板层层叠加,形成金字塔式排列的激励线圈,若干的柔性电路板固定于罩壳内部,罩壳上的罩壳把手内设置有定子处理电路;罩壳通过罩壳把手固定内部柔性电路板和定子处理电路,并贴于待测轴的轴输入端上;接收线圈为首尾相连的矩形,转子电路板上印制有转子信号处理电路;本装置提取的信号为高低电平形式,结构简单;本方法1和本方法2计算方法简单、准确。 【EN】A magnetic focusing type rotating speed and torque integrated sensor and a rotating speed and torque calculation method belong to the field of sensors; the existing sensor has a complex structure, and linear signals can be extracted; the device comprises a shaft input acquisition end and a shaft output acquisition end which have the same structure and are respectively arranged at a shaft input end and a shaft output end; the shaft input acquisition end comprises an excitation coil, and the shape of the excitation coil is a circular arc rectangle; the flexible circuit boards are printed on the flexible circuit board, a plurality of layers of flexible circuit boards are overlapped layer by layer to form the excitation coils arranged in a pyramid shape, the flexible circuit boards are fixed in the housing, and a stator processing circuit is arranged in a housing handle on the housing; the housing fixes the inner flexible circuit board and the stator processing circuit through a housing handle and is attached to the shaft input end of the shaft to be measured; the receiving coil is in a rectangular shape connected end to end, and a rotor signal processing circuit is printed on a rotor circuit board; the signal extracted by the device is in a high-low level form, and the structure is simple; the method 1 and the method 2 are simple and accurate in calculation.
详细信息 下载全文

申请号:201911250929.9 公开号:CN110845715A 主分类号:C08G65/00
申请人:【中文】东北林业大学【EN】NORTHEAST FORESTRY University 申请日:2019.12.09 公开日:2020.02.28
摘要:【中文】本发明涉及聚醚多元醇技术领域,提供了一种利用生物质制备聚芳基醚多元醇的方法,本发明使用氯化胆碱、草酸和乙二醇组成的低共熔溶剂对生物质进行热处理,热处理物料经除杂后使用有机溶剂/水共溶剂进行萃取分离,即可得到聚芳基醚多元醇。本发明直接从生物质制备聚芳基醚多元醇,减少了石油基化学品的使用,简化了制备步骤;避免了有毒有害的溶剂或催化剂的使用,降低了成本,更加环保;本发明采用有机溶剂/水共溶剂萃取分离聚芳基醚多元醇,操作简单,易规模化制备;进一步的,本发明的制备条件温和,能耗低;本发明的以上优点均有利于聚芳基醚多元醇的简单、大规模制备,进而促进环保型聚氨酯发泡材料的开发利用,具有实际意义。 【EN】The invention relates to the technical field of polyether polyol, and provides a method for preparing polyaryl ether polyol by using biomass. The invention directly prepares the polyaryl ether polyol from the biomass, reduces the use of petroleum-based chemicals and simplifies the preparation steps; the use of toxic and harmful solvents or catalysts is avoided, the cost is reduced, and the environment is protected; the method adopts the organic solvent/water cosolvent to extract and separate the polyether polyol, has simple operation and is easy for large-scale preparation; furthermore, the preparation condition of the invention is mild, and the energy consumption is low; the advantages of the invention are beneficial to the simple and large-scale preparation of the polyether polyol, and further promote the development and utilization of the environment-friendly polyurethane foam material, and have practical significance.
详细信息 下载全文

申请号:201911303201.8 公开号:CN110849399A 主分类号:G01D5/248
申请人:【中文】东北林业大学【EN】NORTHEAST FORESTRY University 申请日:2019.12.17 公开日:2020.02.28
摘要:【中文】本发明提出了一种磁聚焦分体式一体化传感器及转速、扭矩、角度计算方法,属于传感器技术领域,特别是涉及一种磁聚焦分体式一体化传感器及转速、扭矩、角度计算方法。解决了现有测量轴的转速、扭矩以及角度的传感器对轴的尺寸要求高、匹配性差以及找零点困难的问题。传感器包括待测轴、和采集机构,所述待测轴两端分别为轴输入端和轴输出端,所述采集机构分别设置在轴输入端和轴输出端处,所述采集机构包括转子电路板、接收线圈、壳体和激励线圈,所述转子电路板和接收线圈印制在接收线圈柔性电路板上,接收线圈上印制有信号处理电路。它主要用于对轴的转速、扭矩以及角度进行测量和计算。 【EN】The invention provides a magnetic focusing split type integrated sensor and a rotating speed, torque and angle calculating method, belongs to the technical field of sensors, and particularly relates to a magnetic focusing split type integrated sensor and a rotating speed, torque and angle calculating method. The problems that the existing sensor for measuring the rotating speed, the torque and the angle of the shaft has high requirement on the size of the shaft, is poor in matching performance and is difficult to find a zero point are solved. The sensor includes treats the survey axle and gathers the mechanism, treat that the survey axle both ends are axle input end and axle output end respectively, it sets up respectively in axle input end and axle output end department to gather the mechanism, it includes rotor circuit board, receiving coil, casing and exciting coil to gather the mechanism, rotor circuit board and receiving coil print on the receiving coil flexible circuit board, the printing has signal processing circuit on the receiving coil. The device is mainly used for measuring and calculating the rotating speed, the torque and the angle of the shaft.
详细信息 下载全文

70 条,当前第 1-10 条 下一页 最后一页 返回搜索页