摘要：【中文】本发明提供了一种用于输送低温液体的自真空绝热泵，包括壳体、自真空绝热壳体、位于壳体中的轴承、支承在轴承上的主轴、以及安装在主轴上的电机和安装在主轴端部的叶轮；绝热壳体焊接安装在壳体外侧形成自真空结构；轴承包括前轴承和后轴承，前轴承和后轴承上均设有通孔；主轴支承在前轴承和后轴承上；电机包括超导励磁磁极转子和超导电枢绕组定子；叶轮安装在主轴的靠近低温液体的入口的端部。轴承和叶轮之间不存在温差，使离心泵的轴向导热量大大减少，从而具有较小的冷量损失；同时，轴承能长时间可靠工作，且超导电机的工作温度保持在超导临界温度以下。本发明所述一种用于输送低温液体的自真空绝热泵可广泛应用于低温液体输送领域。 【EN】The invention provides a self-vacuum heat insulation pump for conveying low-temperature liquid, which comprises a shell, a self-vacuum heat insulation shell, a bearing positioned in the shell, a main shaft supported on the bearing, a motor arranged on the main shaft and an impeller arranged at the end part of the main shaft, wherein the self-vacuum heat insulation shell is arranged on the shell; the heat insulation shell is welded and installed on the outer side of the shell to form a self-vacuum structure; the bearing comprises a front bearing and a rear bearing, and through holes are formed in the front bearing and the rear bearing; the main shaft is supported on the front bearing and the rear bearing; the motor comprises a superconducting excitation magnetic pole rotor and a superconducting armature winding stator; the impeller is mounted at the end of the main shaft near the inlet for cryogenic liquid. The temperature difference does not exist between the bearing and the impeller, so that the axial heat conduction of the centrifugal pump is greatly reduced, and the cooling loss is smaller; meanwhile, the bearing can work reliably for a long time, and the working temperature of the superconducting motor is kept below the superconducting critical temperature. The self-vacuum heat insulation pump for conveying low-temperature liquid can be widely applied to the field of low-temperature liquid conveying.

摘要：【中文】本发明公开了一种基于深形态学的血管斑块检测方法、设备及存储介质，包括以下步骤：S1：从T1加权MRI图像的选取三个相邻切片的感兴趣区域ROI形成三重输入序列，并通过三重输入序列得到血管壁图；S2：通过检测神经网络将血管壁图和三重输入序列进行若干次复合，得到形态复合结果和图像复合结果；S3：将形态复合结果、图像复合结果以及形态复合结果和图像复合结果并行叠加的结果进行全局平均池化后通过全连接得到形态学输出、图像输出和联合输出，通过sigmoid激活联合输出得到初始检测结果；S4：通过检测损失函数优化预设次数初始检测结果得到最终的检测结果。本发明将形态流和图像流组合，形成多模态信息流进行检测，大大提高了斑块检测的准确性。 【EN】The invention discloses a vascular plaque detection method, a device and a storage medium based on deep morphology, which comprises the following steps: s1: forming a triple input sequence from the region of interest ROI of three adjacent slices selected from the T1 weighted MRI image, and obtaining a blood vessel wall image through the triple input sequence; s2: compounding the vascular wall image and the triple input sequence for a plurality of times through a detection neural network to obtain a morphological composite result and an image composite result; s3: performing global average pooling on the morphological composite result, the image composite result and a result obtained by parallelly superposing the morphological composite result and the image composite result, obtaining morphological output, image output and joint output through full connection, and obtaining an initial detection result through sigmoid activation joint output; s4: and optimizing the initial detection result of the preset times by using the detection loss function to obtain a final detection result. The invention combines the form flow and the image flow to form a multi-mode information flow for detection, thereby greatly improving the accuracy of the plaque detection.

摘要：【中文】本发明属于医学图像处理领域，公开了一种基于核磁共振图像的血管壁分割方法、设备及存储介质，包括以下步骤：S1：从T1加权MRI图像的三个相邻切片上均选取感兴趣区域ROI，形成三重输入序列并输入分割神经网络；S2：通过分割神经网络进行若干次下采样；S3：通过分割神经网络联合跳跃链接进行若干次上采样操作，将每次上采样的结果并行叠加得到与三重输入序列尺寸相同的特征图；S4：将特征图进融合激活，得到初始的内腔概率图和外壁概率图，通过分割损失函数优化，得到最终的内腔概率图和外壁概率图，完成分割。本发明采用一个端到端的网络，能够自动地从MRI中分割出颈动脉中的内腔和外壁，进而可以通过分割结果快速检测颈动脉粥样硬化斑块。 【EN】The invention belongs to the field of medical image processing, and discloses a vascular wall segmentation method based on a nuclear magnetic resonance image, a device and a storage medium, wherein the vascular wall segmentation method comprises the following steps: s1: selecting interested regions ROI from three adjacent slices of the T1 weighted MRI image to form a triple input sequence and input the triple input sequence into a segmentation neural network; s2: performing downsampling for a plurality of times by dividing a neural network; s3: carrying out a plurality of times of upsampling operations by dividing a neural network and combining jump links, and superposing the upsampling results of each time in parallel to obtain a characteristic diagram with the same size as a triple input sequence; s4: and fusing and activating the characteristic graphs to obtain an initial inner cavity probability graph and an initial outer wall probability graph, and optimizing through a segmentation loss function to obtain a final inner cavity probability graph and a final outer wall probability graph to finish segmentation. The invention adopts an end-to-end network, can automatically segment the inner cavity and the outer wall of the carotid artery from MRI, and can further rapidly detect the carotid atherosclerotic plaque through the segmentation result.

摘要：【中文】本发明公开了一种天然气超低NO_x燃烧系统及方法，该系统将二次风分多级沿烟气流动方向布置并在炉膛内布设密集管束换热器。在燃烧初期喷入少量的一次风，使燃气在远离当量燃烧的条件下反应；随后控制每级喷入的二次风量，避免每次喷入后燃烧的热量释放过多而导致烟气温度升高过快。此外，烟气与每一级助燃空气混合、燃烧后，立即冲刷布置在该级助燃空气喷口后的管束换热器，使烟气及时得到冷却，保证燃烧室内的烟气温度始终不高于1500℃，几乎无NO_x生成。且天燃气在整个燃烧过程处于缺氧的还原性气氛中，即使存在局部高温区而生成少量NO_x，也会被迅速还原，进而降低NO_x的排放。本发明能够使燃气锅炉的NO_x排放浓度降至低于30mg/Nm³，满足最新的烟气排放标准。 【EN】The invention discloses natural gas with ultra-low NO_xThe combustion system and the method thereof are characterized in that secondary air is distributed in multiple stages along the flowing direction of flue gas, and a dense tube bundle heat exchanger is distributed in a hearth. A small amount of primary air is sprayed in the initial stage of combustion, so that the fuel gas reacts under the condition of being far from equivalent combustion; and then, the secondary air quantity sprayed at each stage is controlled, so that the phenomenon that the temperature of the flue gas is increased too fast due to excessive release of heat generated by combustion after each spraying is avoided. In addition, after the flue gas and each level of combustion-supporting air are mixed and combusted, the flue gas immediately washes a tube bundle heat exchanger arranged behind a combustion-supporting air nozzle of the level, so that the flue gas is cooled in time, the temperature of the flue gas in a combustion chamber is guaranteed not to be higher than 1500 ℃ all the time, and almost NO NO exists_xAnd (4) generating.And the natural gas is in the anoxic reducing atmosphere in the whole combustion process, even if a local high-temperature area exists, a small amount of NO is generated_xIs also rapidly reduced to reduce NO_xAnd (4) discharging. The invention can enable NO of the gas boiler_xThe emission concentration drops to less than 30mg/Nm³And meets the latest smoke emission standard.

摘要：【中文】本发明公开了一种低热值含氮燃气燃烧系统及方法，该系统分为用于低热值含氮燃气燃烧的主燃烧室和为低热值含氮燃气初期着火稳燃提供热量和氧气的预燃区。工作时，在预燃区内少量高热值燃气在过量空气系数1.5～1.7的条件下燃烧，产生含大量氧气的高温烟气。高温烟气进入主燃烧室为低热值含氮燃气的初期着火提供热量和氧气，形成稳定的初期燃烧区域，随后加热并引燃后期喷入的低热值气体及空气，形成燃烧的主燃区。控制喷入主燃区的空气量，保证燃烧处于还原性气氛，抑制燃气中燃料氮向NO_x的转化并还原之前生成的NO_x。本发明克服了低热值含氮燃气在着火稳燃和NO_x减排上的困难，提高低热值含氮燃气的燃烧效率，且烟气中的NO_x排放浓度低于30mg/Nm³。 【EN】The invention discloses a low-calorific-value nitrogen-containing gas combustion system and a method. When the device works, a small amount of high-heat-value fuel gas in the pre-combustion zone is combusted under the condition that the excess air coefficient is 1.5-1.7, and high-temperature flue gas containing a large amount of oxygen is generated. High-temperature flue gas enters a main combustion chamber to provide heat and oxygen for the initial ignition of the low-calorific-value nitrogen-containing fuel gas to form a stable initial combustion area, and then the low-calorific-value gas and air sprayed in the later period are heated and ignited to form combustionA main burning zone for burning. Controlling the amount of air injected into the main combustion zone, ensuring the combustion to be in reducing atmosphere, and inhibiting the nitrogen in the fuel gas from converting to NO_xBy conversion and reduction of NO previously formed_x. The invention overcomes the defects of stable combustion and NO during ignition of the nitrogen-containing fuel gas with low calorific value_xDifficulty in emission reduction, improvement of combustion efficiency of low-calorific-value nitrogen-containing fuel gas, and reduction of NO in flue gas_xThe discharge concentration is lower than 30mg/Nm³。

摘要：【中文】本发明公开了一种基于联合时频分集的免授权上行传输方法，基于Slotted‑Aloha模型联合应用了时间分集与频率分集技术，将上行传输时间等分为若干个长度相等的迷你时隙，在每个时隙内，用户设备在系统提供的所有子信道中随机挑选若干个用以传输同一个数据包的副本；在这种传输模式下，可能会出现两个甚至多个用户设备试图在同一条共享信道上同时发送数据包的情况，因此数据包之间可能会发生碰撞，本发明通过随机选择信道并将数据包进行多次重复传输，大大降低了数据包之间的碰撞概率，从而有利于提高系统的可靠性；基于本发明传输方案，在同时满足URLLC超可靠与低时延要求下，同时优化了在时域与频域上的数据包副本个数，以最大化系统可支持的用户设备数量。 【EN】The invention discloses an authorization-free uplink transmission method based on joint time-frequency diversity, which jointly applies time diversity and frequency diversity technology based on a Slotted-Aloha model, equally divides uplink transmission time into a plurality of mini time slots with equal length, and in each time slot, user equipment randomly selects a plurality of copies for transmitting the same data packet in all sub-channels provided by a system; in the transmission mode, the situation that two or even a plurality of user equipment try to send data packets on the same shared channel at the same time can occur, so that collision can occur between the data packets; based on the transmission scheme of the invention, under the condition of simultaneously meeting the requirements of ultra-reliability and low time delay of URLLC, the number of copies of the data packets in the time domain and the frequency domain is simultaneously optimized, so that the number of user equipment which can be supported by a system is maximized.

摘要：【中文】本发明公开了一种铜离子螯合的羧基功能化磁性膨润土及其制备方法和应用，属于磁性材料制备及蛋白质组学技术领域。首先，采用溶剂热法一步合成羧基功能化磁性膨润土；然后，将羧基功能化磁性膨润土加入到硫酸铜溶液中，通过机械搅拌制得含有铜离子螯合的羧基功能化磁性膨润土的反应液；最后，通过外加磁场将固态聚合物从反应液中分离出来，将分离出的固态聚合物洗涤、干燥后，制得铜离子螯合的羧基功能化磁性膨润土。本发明制得的铜离子螯合的羧基功能化磁性膨润土，其结构稳定性好、磁响应强，且对牛血红蛋白的选择性吸附能力强、吸附量大、回收率高，同时材料成本低廉、制备简单。 【EN】The invention discloses a carboxyl functionalized magnetic bentonite chelated with copper ions, and a preparation method and application thereof, and belongs to the technical field of magnetic material preparation and proteomics. Firstly, synthesizing carboxyl functionalized magnetic bentonite by adopting a solvothermal method in one step; then, adding carboxyl functionalized magnetic bentonite into a copper sulfate solution, and preparing a reaction solution of the carboxyl functionalized magnetic bentonite chelated with copper ions by mechanical stirring; and finally, separating the solid polymer from the reaction solution by an external magnetic field, and washing and drying the separated solid polymer to obtain the carboxyl functionalized magnetic bentonite chelated with copper ions. The carboxyl functionalized magnetic bentonite chelated with copper ions prepared by the invention has the advantages of good structural stability, strong magnetic response, strong selective adsorption capacity on bovine hemoglobin, large adsorption quantity, high recovery rate, low material cost and simple preparation.

摘要：【中文】本发明公开一种基于球面投影的轻量化彩色点云分割方法，包括以下步骤：先标定激光雷达及相机，再使用激光雷达获取点云数据，同时使用相机获取彩色图像数据，然后将点云数据与彩色图像数据进行融合，得彩色点云，随后将彩色点云投影到二维球面上，以获得彩色点云的8层表示，最后对投影后的彩色点云进行语义分割，得无人车周围环境的目标信息，完成基于球面投影的轻量化彩色点云分割，该方法能够准确、高效的实现彩色点云的分割。 【EN】The invention discloses a light-weight color point cloud segmentation method based on spherical projection, which comprises the following steps of: firstly calibrating a laser radar and a camera, then obtaining point cloud data by using the laser radar, simultaneously obtaining color image data by using the camera, then fusing the point cloud data and the color image data to obtain color point cloud, then projecting the color point cloud onto a two-dimensional spherical surface to obtain 8-layer representation of the color point cloud, and finally performing semantic segmentation on the projected color point cloud to obtain target information of the surrounding environment of the unmanned vehicle, and finishing light-weight color point cloud segmentation based on spherical projection.

摘要：【中文】本发明公开了一种人脸图像随年龄变化的图像处理方法，通过获取人脸图像以及与该人脸图像相对应的年龄标签信息；然后通过特征提取网络来优化身份保持损失函数，先利用离线的特征提取器对输入人脸图像和重建的人脸图像进行特征提取，然后对输入人脸图像和重建的人脸图像进行作差，运用特征差渐进残网络能够生成生动的、形象的、接近现实的人脸年龄变化图像，通过对损失函数进行优化，特别是对身份保持损失函数进行优化，利用特征提取器提取后的特征图之间作差代替输入图像与最终重建图像之间直接作差，这样的改进使生成的人脸老化图像序列老化特征更加明显，更加接近真实老化人脸，本发明方法简单，重建人脸图像逼真。 【EN】The invention discloses an image processing method for a face image changing with age, which comprises the steps of obtaining a face image and age label information corresponding to the face image; then, an identity preserving loss function is optimized through a feature extraction network, an offline feature extractor is used for carrying out feature extraction on an input face image and a reconstructed face image, then the input face image and the reconstructed face image are subjected to subtraction, a feature difference progressive residual network is used for generating a vivid, vivid and near-reality face age change image, the loss function is optimized, particularly the identity preserving loss function is optimized, and the subtraction between the feature images extracted by the feature extractor is used for replacing the direct subtraction between the input image and the final reconstructed image, so that the generated face aging image sequence aging feature is more obvious and is closer to a real aged face.

摘要：【中文】本发明公开了一种LNG冷能综合利用系统，包括LNG储存中心、空分系统、核能发电系统、冷库系统及供气管网，LNG储存中心的出口端分两路设置，其中第一路与空分系统连接，第二路与核能发电系统连接；LNG储存中心中的LNG分别通过空分系统及核能发电系统换热后进入冷库系统，换热后的LNG与冷库系统的冷却工质再次换热后，通入供气管网，并通过供气管网与用气用户连接；空分系统用于获得液态CO₂；本发明提供了一种LNG冷能综合利用系统，通过空分系统、核能发电系统及冷库系统，实现了LNG冷能的分梯度利用，避免了单一使用造成能源浪费，能量利用率高，适用性较强；采用LNG作为核能发电系统的冷却保护，安全可靠；同时本发明还具有结构紧凑，节能环保的特点。 【EN】The invention discloses an LNG cold energy comprehensive utilization system, which comprises an LNG storage center, an air separation system, a nuclear energy power generation system, a refrigeration house system and an air supply pipe network, wherein the outlet end of the LNG storage center is divided into two paths, the first path is connected with the air separation system, and the second path is connected with the nuclear energy power generation system; LNG in the LNG storage center enters the refrigeration storage system after being subjected to heat exchange through the air separation system and the nuclear power generation system respectivelyThe LNG after heat exchange exchanges heat with a cooling working medium of the refrigeration house system again, and then the LNG is introduced into a gas supply pipe network and is connected with a gas user through the gas supply pipe network; air separation system for obtaining liquid CO₂(ii) a The LNG cold energy comprehensive utilization system provided by the invention realizes the gradient utilization of the LNG cold energy through the air separation system, the nuclear power generation system and the refrigeration house system, avoids energy waste caused by single use, and has high energy utilization rate and stronger applicability; LNG is used as cooling protection of the nuclear power generation system, so that the system is safe and reliable; meanwhile, the invention also has the characteristics of compact structure, energy saving and environmental protection.