[ZHANG, Jin 张锦, ZHANG, Jin 张锦, HU, Yue 胡悦, ZHANG, Jin 张锦, HU, Yue 胡悦, KANG, Lixing 康黎星, ZHANG, Jin 张锦, HU, Yue 胡悦, KANG, Lixing 康黎星, ZHAO, Qiuchen 赵秋辰, ZHANG, Jin 张锦, HU, Yue 胡悦, KANG, Lixing 康黎星, ZHAO, Qiuchen 赵秋辰, ZHANG, Shuchen 张树辰] Chemistry Building A-404 College of Chemistry and Molecular Engineering, Peking University 中国北京市海淀区颐和园路5号北京大学化学与分子工程学院化学楼A区404室, Beijing 100871No.5 Yiheyuan Road, Haidian DistrictBeijing 100871 An ultrahigh-density single-walled nanotube horizontal array and a preparation method therefor. The method comprises the following steps: loading a catalyst on a single-crystal growth substrate; after annealing, introducing hydrogen into a chemical vapor deposition system to conduct a reduction reaction of the catalyst; and maintaining the introduction of the hydrogen to conduct the oriented growth of a single-walled nanotube. The density of the ultrahigh-density single-walled nanotube horizontal arrays prepared in the method exceeds 130/micrometer; when an electrical property test is conducted on the prepared ultrahigh-density single-walled nanotube horizontal array, the on-current density reaches 380μA/μm, and the transconductance reaches 102.5μS/μm.

[LI, Xu 李旭, NI, Peizhou 倪培洲, SUN, Dong 孙栋, WEI, Kun 韦坤, HU, Yue 胡悦] No.2, Southeast University Road, Jiangning District 中国江苏省南京市江宁区东南大学路2号, Jiangsu 211189Nanjing, Jiangsu 211189 Disclosed in the present invention is a three-dimensional point-cloud semantic segmentation method based on multi-level boundary enhancement for an unstructured environment. The method comprises: firstly, constructing an efficient semantic-boundary double-coding structure based on spherical projection; secondly, designing a boundary attention fusion module to perform deep and automatic fusion on intermediate features of double coders; designing a decoder to recover a feature map to an original input size; proposing a boundary discriminator, and further improving a boundary recognition capability at an output end; then, designing a loss function; and finally, performing training on a network by using a sample set, so as to obtain a network parameter. Therefore, efficient and reliable three-dimensional point-cloud semantic segmentation of an unstructured environment is realized. In the method of the present invention, the advantages of a traditional method and a deep learning algorithm are combined, so as to improve the boundary perception capability, thereby realizing the efficient and highly precise three-dimensional semantic segmentation of the unstructured environment.

[HU, Yue 胡悦, ZHENG, Xinyu 郑鑫宇, ZHANG, Jianfeng 张剑锋, LIN, Xiao 林潇, ZHANG, Yihua 张毅华] 1760 中国浙江省杭州市滨江区江陵路1760号, Zhejiang 310051Jiangling Road, Binjiang DistrictHangzhou, Zhejiang 310051;No. 818 中国浙江省宁波市杭州湾新区滨海二路818号, Zhejiang 315336Binhai 2nd Road, Hangzhou Bay New DistrictNingbo, Zhejiang 315336 A vehicle driving method and apparatus, and a computer storage medium and a system. The vehicle driving method comprises: acquiring a working mode of a vehicle (S101); acquiring a target vehicle speed range (S102); when the working mode of the vehicle is a driving guide mode, displaying the target vehicle speed range (S103); and when the working mode of the vehicle is an intelligent driving mode, controlling the vehicle to travel according to the target vehicle speed range (S104). In the method, a working mode of a vehicle and a target vehicle speed range are acquired, when the working mode of the vehicle is a driving guide mode, the target vehicle speed range is displayed, and when the working mode of the vehicle is an intelligent driving mode, the vehicle is controlled to travel according to the target vehicle speed range, such that not only can a user be guided to drive at a target vehicle speed, but a combination with an advanced driving assistant system can also be made to perform longitudinal control over the whole vehicle under various working conditions, thereby improving the usage experience of the user. A vehicle driving method and apparatus, and a computer storage medium and a system. The vehicle driving method comprises

[SONG, Min 宋敏, HU, Yue 胡悦, LAI, Jiahao 赖嘉豪, YU, Lei 于磊] No. 2 Sipailou, Xuanwu District, 中国江苏省南京市玄武区四牌楼2号, Jiangsu 210096Nanjing, Jiangsu 210096 A method for preparing a high-performance green building material based on the mineralization of combustion flue gas carbon dioxide. The method comprises: calculating a raw material ratio; proportionally retrieving each industrial solid waste ingredient to obtain a solid waste powder; pouring into a granulator the solid waste powder, a dihydrate gypsum, and a cementing material, mixing uniformly, removing a part of the mixture, spraying an appropriate amount of deionized water while stirring the remaining mixture until a core is formed, uniformly adding the removed mixture, and preparing into an aggregate; performing a hydration reaction on the aggregate under constant-temperature and constant-humidity conditions; drying the aggregate subjected to hydration reaction, obtaining a spherical ceramsite; placing the ceramsite into a reaction kettle, and under certain temperature, humidity, and pressure conditions, introducing combustion flue gas containing CO2, and performing a mineralization reaction; removing the post-reaction ceramsite, putting same into a drying box, and drying, forming unfired lightweight aggregate; adding moisture to the lightweight aggregate, performing a hydration reaction, and obtaining a finished product.

[LI, Xu 李旭, HU, Yue 胡悦, XU, Qimin 徐启敏] No. 2, Southeast University Road, Jiangning District 中国江苏省南京市江宁区东南大学路2号, Jiangsu 211189Nanjing, Jiangsu 211189 An unknown environment-oriented intelligent vehicle collaborative positioning method, comprising: first, constructing a collaborative positioning system; second, creating a collaborative positioning observation model; then, training the collaborative positioning observation model for predicting the position increment of an intelligent vehicle; and finally, constructing a collaborative fusion positioning model to acquire the position of the intelligent vehicle. The unknown environment-oriented intelligent vehicle collaborative positioning method disclosed in the present invention realizes intelligent vehicle collaborative positioning in unknown environments having missing prior information and limited observation information.

[CHENG, Hang 程航, YANG, Hua 杨化, LI, Xinyu 李新宇, WANG, Weiyu 王玮玉, GUO, Mianming 郭棉明, CAO, Yi 曹毅, XIANG, Xu 向旭, WU, Fan 吴凡, HAN, Yimiao 韩亦淼, HU, Yue 胡悦] 1 Liuhe Road, Jiang'an District 中国湖北省武汉市江岸区六合路1号 430010Wuhan, Hubei 430010 Provided in the present invention is a ZG40Mn2 guide groove laser repair process based on an ultra-thick cladding layer. The process comprises the following content: S1, performing flaw detection on a surface of a guide groove, and performing grinding processing on worn portions to remove defective portions and impurities; S2, by using WGD130 powder as a cladding material, using a laser cladding device to perform laser cladding on a portion to be repaired, wherein the laser operation trajectory laterally advances in a direction perpendicular to an extension direction of the guide groove, and stopping operating once a desired thickness is reached; and S3, inspecting the surface formation of a cladding layer to ensure that there are no crack defects, and performing machining and grinding on the cladding layer to complete the repair. By means of the ZG40Mn2 guide groove laser repair process provided in the present invention, a laser repair experiment is performed on a worn region of a guide rail surface of a guide groove, and related engineering application data such as cracks, hardness, repair effect and repair efficiency of a laser repair layer are studied.

[HU, Yue 胡悦, ZHU, Bin 朱斌, WANG, Guangquan 王光全, LIN, Lin 林琳] {No.21 Financial Street 中国北京市西城区金融大街21号, Beijing 100033Xicheng District, Beijing 100033;CN CN(CN)(CN)} The present application relates to the technical field of communications, and relates in particular to a data transmission method and apparatus, a device, and a storage medium. The method is applied to a sending electronic device of a communication system. The communication system further comprises a sending end device, a low-orbit satellite, and a high/medium-orbit satellite. The sending electronic device is separately in communication connection with the low-orbit satellite and the high/medium-orbit satellite. The data transmission method comprises: in response to traffic data sent by the sending end device, determining a target satellite for transmitting the traffic data, the target satellite comprising the low-orbit satellite and/or the high/medium-orbit satellite; and sending the traffic data to the target satellite. The quality of satellite communication is able to be improved, so that the user experience is improved. The present application relates to the technical field of communications, and relates in particular to a

[HU, Yue 胡悦, DENG, Kun 邓堃, ZHANG, Jianfeng 张剑锋, ZHENG, Xinyu 郑鑫宇] No.1760 Jiangling Road,Binjiang District 中国浙江省杭州市滨江区江陵路1760号, Zhejiang 310051Hangzhou, Zhejiang 310051;No 918, Binhai Road 4, Hangzhou Bay New District 中国浙江省宁波市杭州湾新区滨海四路918号, Zhejiang 315336Ningbo, Zhejiang 315336 A method and system for automatic driving data collection and closed-loop management. The method comprises: acquiring vehicle driving data (S102); preprocessing the vehicle driving data (S104); by means of a pre-trained neural network, screening the preprocessed vehicle driving data according to a preset screening rule, so as to obtain incremental data (S106); and storing the incremental data, or sending the incremental data to a cloud (S108). The method may effectively screen out high-value incremental data, thereby reducing the data storage capacity of the system and/or requirements for data transmission bandwidth. The system may be mounted on a vehicle by using a rear-mounting or front-mounting means, does not depend on a specific vehicle type, and does not require the vehicle to be equipped with a high-cost real-value system such as a laser radar, which greatly improves the convenience of using the system and is conducive to rapid and large-scale application. A method and system for automatic driving data collection and closed-loop management. The method comprises: acquiring vehicle driving data (S102); preprocessing the vehicle driving data (S104); by means of a pre-trained neural network, screening the preprocessed vehicle driving data according to a preset screening rule, so as to obtain incremental data (S106); and storing the incremental data, or sending the incremental data to a cloud (S108). The method may effectively screen out high-value incremental data, thereby reducing the data storage capacity of the system and/or requirements for data transmission bandwidth. The system may be mounted on a vehicle by using a rear-mounting or front-mounting means, does not depend on a specific vehicle type, and does not require the vehicle to be equipped with a high-cost real

[CHEN, Xueyan 陈雪燕, ZHANG, Quanfang 张全芳, LIU, Yanyan 刘艳艳, FAN, Yangyang 范阳阳, TAN, Qingqing 谭晴晴, HU, Yue 胡悦, LIU, Guoxia 刘国霞, BU, Xun 步迅] Chen Xueyan 中国山东省济南市历城区工业北路202号陈雪燕, Shandong 250100No.202 Industrial North RoadLicheng DistrictJinan, Shandong 250100 Involved are a fluorescence PCR detection kit for identifying Dendrobium officinale Kimura et Migo and the use thereof. The kit comprises specific primers and a specific probe for Dendrobium officinale Kimura et Migo, and the nucleotide sequences thereof are as shown in SEQ ID NOs. 1-3. The nucleotide sequences of the dendrobium universal primers and universal probe are as shown in SEQ ID NOs. 4-6. Carrying out PCR amplification by using the fluorescence PCR detection kit can identify Dendrobium officinale Kimura et Migo and other dendrobium plants. The kit pairs the specific fluorescence probe and the template, has a high specificity and selectivity, and has a high amplification efficiency, sensitivity and accuracy, good reproducibility, and short detection cycle. The detection can be completed within 1.5 hours. The kit can detect the DNA amplification reaction in real time, and has very high feasibility and application prospects, ensuring the place of real Dendrobium officinale Kimura et Migo in the market of traditional Chinese medicine.

[WU, Yexu 伍业旭, XIAO, Minghua 肖明华, HU, Yue 胡悦, ZHANG, Yan 张彦, LEI, Senlin 雷森林, HUANG, Xingfa 黄兴法] 168 Chengdong Avenue 中国湖北省宜昌市城东大道168号, Hubei 443003Yichang, Hubei 443003 A method for the high-throughput and rapid breeding of high-RNA yeast. The method for the high-throughput breeding of high-RNA yeast comprises the following steps: (1) establishing a microbial mutant library; (2) recovering bacterial cells obtained in step (1); (3) subjecting the mutant library to adaptive evolution; and (4) carrying out high-throughput screening on the evolutionary library to obtain a high-RNA yeast. By means of the provided method, the high-RNA yeast strain can be efficiently screened out, the dominant strain is rapidly bred, and the RNA content of the screened dominant strain can reach 15% or more.