摘要：【中文】本发明公开了一种微孔Cu‑MOF材料及其制备方法和应用，一种微孔Cu‑MOF材料，其化学式为CuTIPA·n(DMF)(n＝1‑3)，其中TIPA^2‑为5‑(三唑‑1‑基)间苯二甲酸阴离子，DMF为N，N‑二甲基甲酰胺，该微孔Cu‑MOF材料具有较好的水蒸气稳定性和有机溶剂稳定性。气体吸附测试结果表明该材料对CO₂具有较好的选择性吸附性能，以及对CO₂/N₂和CO₂/CH₄有着较好的选择性分离性能，可应用于发电厂排放废气中CO₂的捕获分离和天然气的纯化等领域。 【EN】The invention discloses a microporous Cu-MOF material and a preparation method and application thereof, wherein the chemical formula of the microporous Cu-MOF material is CuTIPA.n (DMF) (n is 1-3), wherein TIPA^2‑Is 5- (triazole-1-yl) isophthalic acid anion, DMF is N, N-dimethylformamide, and the microporous Cu-MOF material has better water vapor stability and organic solvent stability. The gas adsorption test result shows that the material is used for treating CO₂Has better selective adsorption performance to CO₂/N₂And CO₂/CH₄Has better selective separation performance, and can be applied to CO in the exhaust gas discharged by a power plant₂The capture separation of natural gas and the purification of natural gas.

摘要：【中文】本发明公开了一种荧光假单胞菌荧光定量PCR快速检测方法及试剂盒和应用。该方法及试剂盒通过对待检样品进行增菌获得的基因组DNA与引物和相应的探针混合，对样品中的荧光假单胞菌进行荧光定量PCR检测，检测特异性强，适应性广；检测方法快速、灵敏度高，适用于高通量筛检；可应用于样品中尤其是食品中荧光假单胞菌的高通量筛检。 【EN】The invention discloses a fluorescent quantitative PCR (polymerase chain reaction) rapid detection method for pseudomonas fluorescens, a kit and application. The method and the kit carry out fluorescent quantitative PCR detection on pseudomonas fluorescens in a sample by mixing genome DNA obtained by enriching the sample to be detected with a primer and a corresponding probe, and have strong detection specificity and wide adaptability; the detection method is rapid, high in sensitivity and suitable for high-throughput screening; can be applied to high-throughput screening of pseudomonas fluorescens in samples, particularly food.

摘要：【中文】本发明公开了一种钴氮共掺杂碳基电催化剂材料及制备方法，本发明属于电化学和新能源领域。本发明以封装了金属钴离子的阴离子金属有机骨架为前驱体，在氮气气氛下，通过高温热解方法制备出钴氮共掺碳基纳米材料，该材料在碱性条件下具有优异的氧还原、氧析出和氢析出催化性能，利用该材料组装的可充电锌空气电池和全解水装置都具有良好的充放电性能和长久的稳定性。本发明制备工艺简单，催化剂性能良好，经济且可大量制备。 【EN】The invention discloses a cobalt-nitrogen co-doped carbon-based electrocatalyst material and a preparation method thereof, and belongs to the fields of electrochemistry and new energy. According to the invention, an anion metal organic framework packaged with metal cobalt ions is used as a precursor, and the cobalt-nitrogen co-doped carbon-based nano material is prepared by a high-temperature pyrolysis method under the nitrogen atmosphere, has excellent catalytic performances of oxygen reduction, oxygen precipitation and hydrogen precipitation under an alkaline condition, and a rechargeable zinc-air battery and a full-water-splitting device assembled by using the material have good charge-discharge performance and long-term stability. The invention has simple preparation process, good catalyst performance, economy and mass preparation.

摘要：【中文】本发明属于电化学和新能源领域，具体涉及一种无金属碳基电催化剂及制备方法和应用。本发明一种无金属氮掺杂碳基电催化材料的制备方法，利用两种有机配体作为氮源和碳源，在室温下通过一锅法反应合成金属有机骨架作为前驱体，进一步通过惰性气氛下高温热解合成出无金属碳基电催化材料。本发明可作为电催化剂在电化学析氢反应、析氧反应和氧还原反应中应用。也可应用于可充放电锌空气电池空气阴极。无金属碳基电催化剂拥有多催化活性位点，所制备的三功能催化材料拥有丰富的C‑N_x活性位点，分层多孔结构，与产生的石墨化碳层协同作用，提高电催化活性。同时无金属电催化剂制备工艺简单，原料价格低廉，适合大规模工业化生产。 【EN】The invention belongs to the field of electrochemistry and new energy, and particularly relates to a metal-free carbon-based electrocatalyst, a preparation method and application thereof. The invention relates to a preparation method of a metal-nitrogen-free doped carbon-based electro-catalytic material, which utilizes two organic ligands as a nitrogen source and carbonThe source is used for synthesizing a metal organic framework as a precursor through a one-pot reaction at room temperature, and further synthesizing the metal-free carbon-based electro-catalytic material through high-temperature pyrolysis in an inert atmosphere. The invention can be used as an electrocatalyst to be applied to electrochemical hydrogen evolution reaction, oxygen evolution reaction and oxygen reduction reaction. The method can also be applied to the air cathode of the chargeable and dischargeable zinc-air battery. The metal-free carbon-based electrocatalyst has multiple catalytic active sites, and the prepared three-functional catalytic material has rich C-N_xThe active sites, the layered porous structure, and the generated graphitized carbon layer act synergistically to improve the electrocatalytic activity. Meanwhile, the metal-free electrocatalyst has simple preparation process and low raw material price, and is suitable for large-scale industrial production.

摘要：【中文】本发明公开了一种管道漏点的检测方法及装置、存储介质、终端，涉及管道检测技术领域，主要目的在于解决现有管道漏点的检测是利用故障诊断检测器检测管道上的压力、流量等测量信号来检测小于当前输量1％的泄漏、缓慢泄漏和多点泄漏的问题。包括：获取输送液体管道的管道参数，根据所述管道参数建立管道模型；利用所述管道模型及非线性故障诊断观测器检测所述管道中的泄漏点；当检测到所述非线性故障诊断观测器中的估计误差渐进收敛至零时，确定检测结果为多点泄漏；计算残差信号，根据所述残差信号及所述非线性故障诊断观测器的泄漏系数估计条件确定出多个泄漏点的泄漏系数，以确定管道泄漏点的泄漏数据。 【EN】The invention discloses a method and a device for detecting a pipeline leakage point, a storage medium and a terminal, relates to the technical field of pipeline detection, and mainly aims to solve the problem that the leakage point of the existing pipeline is detected by detecting measurement signals such as pressure, flow and the like on a pipeline by using a fault diagnosis detector to detect leakage, slow leakage and multi-point leakage which are less than 1% of the current output. The method comprises the following steps: acquiring pipeline parameters of a pipeline for conveying liquid, and establishing a pipeline model according to the pipeline parameters; detecting a leak in the pipeline using the pipeline model and a nonlinear fault diagnosis observer; when the estimation error in the nonlinear fault diagnosis observer is detected to gradually converge to zero, determining that the detection result is multipoint leakage; and calculating a residual signal, and determining leakage coefficients of a plurality of leakage points according to the residual signal and the leakage coefficient estimation condition of the nonlinear fault diagnosis observer so as to determine leakage data of the pipeline leakage points.

摘要：【中文】本发明提供了一种数据的传输方法及装置，其中，该方法包括：按照第一类参考信号RS或者第二类RS或者第三类RS传输物理下行信道数据，通过本发明的该方式确保了不同NB‑IOT物理下行信道数据的数据传输性能和参考信号开销之间的平衡，进而解决了相关技术中不知按照怎样的参考信号传输NB‑IOT物理信道数据的问题。 【EN】The invention provides a data transmission method and a data transmission device, wherein the method comprises the following steps: the physical downlink channel data is transmitted according to the first-type reference signal RS or the second-type RS or the third-type RS, the balance between the data transmission performance and the reference signal overhead of different NB-IOT physical downlink channel data is ensured through the method, and the problem that the NB-IOT physical channel data is not transmitted according to any reference signal in the related technology is solved.

摘要：【中文】本发明公开了一种基于超声波声速的管道泄漏定位方法及装置，包括以下步骤：建立待测流体输送管道超声波声速与管道内部压力之间的数学关系式；在待测流体输送管道首末站安装超声波传感器并采集超声波声速信号；获取泄漏点产生的超声波信号传送至流体输送管道首末站的时间差；采用到达流体输送管道首末站的超声波声速信号拐点的时间差与负压波波速，计算泄漏点的位置。其装置包括超声波声速信号获取模块及计算模块。本发明提供一种基于超声波声速的管道泄漏定位方法及装置，其避免管道开孔安装压力变送器，是一种流体输送管道无损监测方法，同时其在对流体输送管道泄漏点定位时，利用管道首末站超声波声速信号拐点及负压波波速进行泄漏点定位，提高了利用超声波传感器进行流体输送管道泄漏检测及定位的可行性。 【EN】The invention discloses a pipeline leakage positioning method and device based on ultrasonic sound velocity, comprising the following steps: establishing a mathematical relation between the ultrasonic sound velocity of the fluid conveying pipeline to be measured and the internal pressure of the pipeline; installing an ultrasonic sensor at the head and tail stations of a fluid conveying pipeline to be detected and acquiring ultrasonic sound velocity signals; acquiring the time difference of transmitting ultrasonic signals generated by a leakage point to a first station and a last station of a fluid conveying pipeline; and calculating the position of a leakage point by adopting the time difference of the inflection point of the ultrasonic sound velocity signal reaching the first and last stations of the fluid conveying pipeline and the wave velocity of the negative pressure wave. The device comprises an ultrasonic sound velocity signal acquisition module and a calculation module. The invention provides a pipeline leakage positioning method and device based on ultrasonic sound velocity, which avoids installing a pressure transmitter on a pipeline opening, is a nondestructive monitoring method for a fluid conveying pipeline, and simultaneously positions a leakage point by using an ultrasonic sound velocity signal inflection point and negative pressure wave velocity of a pipeline head and tail station when positioning the leakage point of the fluid conveying pipeline, thereby improving the feasibility of detecting and positioning the leakage of the fluid conveying pipeline by using an ultrasonic sensor.

摘要：【中文】本发明公开了一种铁路异物检测场景下结构光光平面标定方法及其系统，包括：以钢轨轨顶平面为Z＝0建立世界坐标系XYZ；获取结构光投影中相机的相机标定方程、线激光投影仪的投影射线与钢轨轨顶平面Z＝0的交点P1、线激光投影仪的投影射线与钢轨底部交点P2以及钢轨高度H；将交点P1和Z＝0代入相机标定方程，计算出交点P1在世界坐标系XYZ中的世界坐标；将交点P2和Z＝‑H代入相机标定方程，计算出交点P2在世界坐标系XYZ中的世界坐标；采用上述步骤计算另一钢轨上线激光投影仪的投影射线与钢轨轨顶平面Z＝0的交点P3和线激光投影仪的投影射线与钢轨底部交点P4的世界坐标，根据P1、P2、P3、P4构建光平面。 【EN】The invention discloses a structured light plane calibration method and a system thereof under a railway foreign matter detection scene, wherein the method comprises the following steps: establishing a world coordinate system XYZ by taking the steel rail top plane as Z as 0; acquiring a camera calibration equation of a camera in structured light projection, an intersection point P1 of a projection ray of a line laser projector and a rail top plane Z of a steel rail equal to 0, an intersection point P2 of the projection ray of the line laser projector and a steel rail bottom and a steel rail height H; substituting the intersection points P1 and Z into a camera calibration equation to calculate the world coordinate of the intersection point P1 in a world coordinate system XYZ; substituting the intersection points P2 and Z-H into a camera calibration equation, and calculating the world coordinate of the intersection point P2 in a world coordinate system XYZ; and calculating the world coordinates of an intersection point P3 of the projection ray of the line laser projector on another steel rail and the steel rail top plane Z being 0 and the intersection point P4 of the projection ray of the line laser projector and the steel rail bottom by adopting the steps, and constructing a light plane according to P1, P2, P3 and P4.