摘要：本发明公开了一种用于丙烷脱氢的催化剂的制备方法，包括以下具体步骤：1）称取以下重量百分比的各原料：氢氧化铝 40‑45%，拟薄水铝石35‑40%，田菁胶5‑10%，硅酸钠3‑5%，水7‑7.8%；2）将步骤1）称取的原料投入混合机混捏30‑50分钟，再研磨至250‑300目后进行造粒，然后将造粒成球的颗粒放入密封铁桶中养生处理150‑168h；3）制得催化剂载体；4）浸渍催化剂浆液制得用于丙烷脱氢的催化剂；本发明制备的催化剂催化效率高，环保节能，方便还原回收。

摘要：【中文】一种温度探头，包括座体、连接体和转接头，转接头与连接体螺接连接；座体内设有PCB印制板、镀金片、敏感元件；PCB印制板上开有数个小孔，其底部设有安装位，安装位为镂空插槽结构；PCB印制板上在安装位两侧分别粘有镀金片，镀金片之间有空隙；敏感元件插入安装位，置于镀金片之间；座体为中部带有两侧贯通的阶梯孔的框架结构，PCB印制板嵌置于阶梯孔内的阶梯台面上；压盖盖合座体通过螺钉紧固连接并压盖PCB印制板的边缘；镀金片由两侧的通孔、阶梯孔曝露。本发明响应速度快，抗震性好，可以在恶劣环境使用，可应用于防爆场合，具有便捷的防爆结构安装接口。 【EN】A temperature probe comprises a base body, a connecting body and an adapter, wherein the adapter is in threaded connection with the connecting body; a PCB printed board, a gold plated sheet and a sensitive element are arranged in the base body; the PCB printed board is provided with a plurality of small holes, the bottom of the PCB printed board is provided with a mounting position, and the mounting position is of a hollow slot structure; gold-plated sheets are respectively adhered to two sides of the installation position on the PCB, and gaps are reserved among the gold-plated sheets; the sensitive element is inserted into the mounting position and is arranged between the gold-plated sheets; the base body is of a frame structure with a stepped hole which is communicated with two sides in the middle, and the PCB is embedded on a stepped table top in the stepped hole; the gland cover seat body is fastened and connected through a screw and covers the edge of the PCB; the gold plate is exposed from the through holes and the stepped holes on both sides. The explosion-proof structure has the advantages of high response speed, good earthquake resistance, capability of being used in severe environment, application to explosion-proof occasions and convenience in mounting an interface of the explosion-proof structure.

摘要：【中文】本发明公开了一种温度变化场景下实时监测天然气泄漏的方法及装置，包括：利用天然气浓度探测器获取相应的探测器原始数据，将温度、真实的天然气泄漏浓度、探测器原始数据关联存储为数据集一；利用所述数据集一创建BP神经网络并训练：利用天然气浓度探测器和BP神经网络预测函数获得使用场景中真实的天然气泄漏浓度；计算使用场景中真实的天然气泄漏浓度变化量；计算使用场景中真实的天然气泄漏浓度变化率；计算一段时间内的浓度变化量总和；预测未来一段时间后使用场景中的天然气泄漏浓度；如果超过预设的报警阈值，则进行报警。本发明实现在温度剧烈变化使用场景下，高精度、高灵敏度地检测天然气泄漏情况，并减少因为敏感探头的个体差异造成的监测结果有差异的情况，能够预测未来的天然气浓度，提前报警，且成本较低。 【EN】The invention discloses a method and a device for monitoring natural gas leakage in real time under a temperature change scene, wherein the method comprises the following steps: acquiring corresponding original data of a detector by using a natural gas concentration detector, and storing the temperature, the real natural gas leakage concentration and the original data of the detector in a correlation manner as a data set I; creating a BP neural network by using the data set I and training: acquiring the real natural gas leakage concentration in a use scene by using a natural gas concentration detector and a BP neural network prediction function; calculating the real natural gas leakage concentration variation in the use scene; calculating the real natural gas leakage concentration change rate in the use scene; calculating the sum of the concentration variation in a period of time; predicting natural gas leakage concentration in a use scene after a period of time in the future; and if the alarm threshold value is exceeded, alarming. The invention realizes the high-precision and high-sensitivity detection of the natural gas leakage condition under the use scene of severe temperature change, reduces the condition of difference of monitoring results caused by individual difference of the sensitive probe, can predict the future natural gas concentration, gives an alarm in advance and has lower cost.

摘要：【中文】本发明公开了一种基于图像相减法与CNN的白色家电外壁喷涂质量检测方法，包括以下步骤：1）收集合格图像制作数据集，然后经过预处理和模板匹配将图像校正到模板图像位置；2）用处理好的图像训练图像差异模型，差异模型包含两个图像，一是训练的均值图像，二是计算每张图片标准方差获得的记录了每个像素点灰度变化范围的比较图像；3）使用标注的缺陷图片进行目标检测网络训练；4）将待测图片送入CNN网络提取特征图，同时进行预处理和模板匹配然后与图像差分模型比较获得差异区域；5）由差异区域生成候选区域和特征图一并送入ROI Pooling，生成固定维度的特征向量送入后续网络进行分类和边框回归。 【EN】The invention discloses a white household appliance outer wall spraying quality detection method based on image subtraction and CNN, which comprises the following steps: 1) collecting qualified image making data sets, and correcting the images to the positions of template images through preprocessing and template matching; 2) training an image difference model by using the processed image, wherein the difference model comprises two images, namely a trained mean image and a comparison image which is obtained by calculating the standard variance of each image and records the gray level change range of each pixel point; 3) performing target detection network training by using the labeled defect picture; 4) sending the picture to be detected into a CNN network to extract a characteristic graph, simultaneously carrying out pretreatment and template matching, and then comparing the characteristic graph with an image differential model to obtain a difference area; 5) generating a candidate region and a feature map from the difference region, sending the candidate region and the feature map into ROI Pooling, generating a feature vector with fixed dimensionality, and sending the feature vector into a subsequent network for classification and frame regression.

摘要：【中文】本发明公开了一种测量可逆式模型机组功率损失的方法及其使用的装置，包括连接可逆式机组的测功力臂、负荷传感器、标定装置以及底座，负荷传感器上设穿过负荷传感器受力孔的顶针杆，并连接底座；标定装置为两组，包括连接杆和连接螺杆，连接杆通过活动件可转动地设于底座上，连接杆的两端分别设砝码盘和连接螺杆，连接螺杆分别位于测功力臂的两个不同力矩方向上，并通过测功力臂、顶针杆的端部作用于负荷传感器上，适用于顺时针或逆时针运行可逆式机组时的功率损失的测量，很好地适应了可逆式机组输出功率损失的特点及位置要求，具有双向原位标定传感器和测功的功能，相比单向测功方式可靠性更高，结构简单，安装、操作、维护更为方便。 【EN】The invention discloses a method for measuring power loss of a reversible model unit and a device used by the method, and the device comprises a power measuring arm, a load sensor, a calibration device and a base which are connected with the reversible model unit, wherein the load sensor is provided with a thimble rod which penetrates through a stress hole of the load sensor and is connected with the base; the calibration devices are two groups and comprise connecting rods and connecting screw rods, the connecting rods are rotatably arranged on the base through moving parts, the two ends of the connecting rods are respectively provided with a scale pan and a connecting screw rod, the connecting screw rods are respectively positioned on two different moment directions of the power measuring force arm and act on the load sensor through the power measuring force arm and the end part of the ejector rod, the calibration device is suitable for measuring power loss when the reversible unit runs clockwise or anticlockwise, the calibration device well adapts to the characteristics and the position requirements of the output power loss of the reversible unit, has the functions of bidirectional in-situ calibration of the sensor and power measurement, and has higher reliability compared with a unidirectional power measuring mode, simple structure, installation, operation and maintenance are more convenient.

摘要：本申请涉及数据处理技术领域，提供一种周界入侵检测设备的测试评价方法及系统。通过获得入侵检测设备的第一入侵检测评价结果，根据设备布设信息构建测试场景集合对入侵检测设备测试得到入侵检测设备的测试结果，根据测试结果和测试场景集合得到第二入侵检测评价结果，根据第一入侵检测评价结果和第二入侵检测评价结果获得入侵检测设备的测试评价结果。解决现有技术中存在高速铁路入侵检测设备布设和调试对于人工经验依赖度高，且存在入侵检测不足以预防规避入侵物对高速铁路运行产生的危害影响的技术问题，实现了提高高速铁路入侵检测设备布设的科学性和入侵检测有效性，为入侵检测设备布设及设备参数调节提供参考方向的技术效果。

摘要：【中文】本发明公开了一种卫星通信终端天线阻抗匹配方法和装置，其中方法包括下述步骤：对天线接收匹配阻抗调谐，得到接收匹配阻抗最优值；对天线发射匹配阻抗调谐，得到发射匹配阻抗最优值；将天线接收和发射匹配阻抗最优值分别写入天线参数；在时分双工TDD工作模式下，当处于接收时隙，调用接收匹配阻抗最优值；当处于接收时隙，调用发射匹配阻抗最优值。通过对卫星通信终端天线接收效率和发射效率的独立优化，分别设置接收和发射阻抗最优匹配值，显著提升卫星通信终端天线发射器的发射功率及接收器全向灵敏度。 【EN】The invention discloses a satellite communication terminal antenna impedance matching method and a device, wherein the method comprises the following steps: tuning the antenna receiving matching impedance to obtain an optimal value of the receiving matching impedance; tuning the antenna transmission matching impedance to obtain an optimal value of the transmission matching impedance; respectively writing the optimal values of the antenna receiving and transmitting matching impedance into antenna parameters; in a Time Division Duplex (TDD) working mode, when the receiving time slot is in, calling an optimal value of receiving matching impedance; and when the receiving time slot is in, calling the optimal value of the transmitting matching impedance. By independently optimizing the receiving efficiency and the transmitting efficiency of the satellite communication terminal antenna, the optimal matching values of the receiving impedance and the transmitting impedance are respectively set, and the transmitting power of the satellite communication terminal antenna transmitter and the receiver omnidirectional sensitivity are obviously improved.

摘要：【中文】一种低淬火敏感性超厚板的制造方法，本发明涉及一种低淬火敏感性超厚板的制造方法。本发明的目的是为了解决现有厚度为200～250mm规格的铝合金超厚板淬透性不佳的问题，该低淬火敏感性超厚板由Si、Fe、Cu、Mn、Mg、Cr、Zn、Ti、Zr、其余含量为Al的元素组成，其制造工艺包含以下步骤：按元素的质量百分比称取原料，经熔炼、铸造、均匀化退火、铣面、强变形轧制、固溶淬火、预拉伸和双级时效处理获得厚度规格为200～250mm超厚板。本发明保证了超厚板具有高的淬透性，淬透厚度300mm左右。本发明应用于铝合金制造领域。 【EN】The invention discloses a method for manufacturing a low quenching sensitivity super-thick plate, and relates to a method for manufacturing a low quenching sensitivity super-thick plate. The invention aims to solve the problem of poor hardenability of the conventional aluminum alloy super-thick plate with the thickness of 200-250 mm, the low quenching sensitivity super-thick plate consists of Si, Fe, Cu, Mn, Mg, Cr, Zn, Ti, Zr and the balance of Al, and the manufacturing process comprises the following steps: weighing raw materials according to the mass percent of the elements, and carrying out smelting, casting, homogenizing annealing, surface milling, strong deformation rolling, solution quenching, pre-stretching and two-stage aging treatment to obtain the ultra-thick plate with the thickness specification of 200-250 mm. The invention ensures that the ultra-thick plate has high hardenability, and the hardenability thickness is about 300 mm. The invention is applied to the field of aluminum alloy manufacturing.

摘要：【中文】本发明涉及建筑工程技术领域，尤其是涉及一种复杂地质条件水泥土地下连续墙施工方法，以解决现有TRD工法在强度较高密实碎石土地层，切削困难，施工进度缓慢，设备磨损大等问题。具体步骤包括：探明地质条件，勘察该深度范围土质特点，进行相应的试成墙工作；进行双轮铣深搅切削施工；进行地下连续墙成槽机抓斗清理碎石土施工；进行回填素填土施工；进行TRD水泥土连续墙施工，本发明的复杂地质条件水泥土地下连续墙施工方法具有避免设备耗损，节省切削时间，降低水泥土连续墙施工难度，提高施工质量和施工效率等优点。 【EN】The invention relates to the technical field of constructional engineering, in particular to a construction method of a cement-soil underground continuous wall under complex geological conditions, which aims to solve the problems that the existing TRD construction method is difficult to cut, slow in construction progress, large in equipment abrasion and the like in a high-strength compact gravel soil stratum. The method comprises the following specific steps: exploring geological conditions, exploring the soil property characteristics of the depth range, and performing corresponding wall trial work; carrying out double-wheel milling deep-stirring cutting construction; carrying out construction for cleaning gravel soil by a grab bucket of an underground continuous wall trenching machine; carrying out backfilling plain soil filling construction; the construction method of the cement-soil underground continuous wall with the complex geological conditions has the advantages of avoiding equipment loss, saving cutting time, reducing the construction difficulty of the cement-soil continuous wall, improving the construction quality and the construction efficiency and the like.

摘要：本发明提供了一种跨高速曲线钢箱梁拼装及顶推施工方法，包括以下步骤：S1.将钢箱梁划分多个钢箱梁梁体节段，每个钢箱梁梁体节段划分为左幅钢箱梁梁体节段和右幅钢箱梁梁体节段进行预制；施作拼装胎架，拼装胎架包括直线滑道和曲线滑道；S2.前端的钢箱梁梁体节段和导梁拼装完成后，顶推千斤顶装置向前顶推一个节段长度；S3.继续拼装后一段的钢箱梁梁体节段，利用反拉装置使拼装完成的钢箱梁梁体节段沿着直线滑道牵拉至母梁后端，焊接，利用顶推千斤顶装置，沿着曲线滑道向前顶推已拼装完成的钢箱梁梁体部分，重复步骤S3的上述操作直至全桥钢箱梁顶推到设计位置。采用本发明能有效提高曲线钢箱梁的施工效率，保证曲线钢箱梁施工的安全性。