Chinese Academy of Sciences

Xiamen Changelight Co., Ltd.

International Business Machines Corporation

Beijing Bytedance Network Technology Co., Ltd.

State Grid Corporation of China

State Grid Digital Technology Holding Co., Ltd.

Huawei Technologies Co., Limited

Boe Technology Group Co., Ltd.

Hefei Boe Optoelectronics Technology Co., Ltd.

Beijing Zitiao Network Technology Co., Ltd.

Abb S.p.a.

Beijing Institute of Technology

China Institute of Water Resources and Hydropower Research

State Grid Blockchain Technology (beijing) Co., Ltd.

State Grid Xiong'an Financial Technology Group Co., Ltd.

Wei Jiang

Haizhou Yin

Zhiwei Lin

Kaixuan Chen

Xiangjing Zhuo

Tianzu Fang

Huilong Zhu

Qifan Zheng

Yang Wang

Jie Cui

Jichu Tong

Yong Zhang

Zhong Su

Dong Wang

Xin Yang

Jian Ye Chen

Sheng Hua Bao

Jing Chen

Lei Zhou

Xin Shi

Ya Wang

Chun Li

Jing Jin

Pingfei Fu

Jiaxing Xuan

Lisong Dong

Guomin Li

Guiyan Zhao

Zhijiong Luo

Zhen Liu

Xiao Ling Chen

Cheng Fang Wang

Jia Qi Li

Heng Wang

Yu Zheng

Fengzhen Lv

Xiao Ping Guo

Xinxia Zhang

Hongjun Wang

Bin Wang

Hongjie Zhang

Wanli Che

Yun Bj Wang

Jian Wei Zhang

Chen Shen

Yan Shi

Zhaoqin Lin

Da Li

Junxian Li

Zhenan Li

Yingce Liu

Kang Xiang

Hongkui Deng

Tao Han

Chengyu Li

Zhendong Wei

Xiangwu Wang

Yuming Liang

Xiaopeng Zhang

Qing Song

Lihua Zhao

Xingxiu Chen

Jianye Ye

Songnan Chu

Feng Ren

Zhi Dan Hao

Xiaotao Li

Fan Jia

Fanhua Feng

Jiangtao Li

Juan Lv

Zhiqiang Liang

Pei Yan

Zhan Su

Hejian Wang

Xinmao Huang

Ran Pang

Ming Wang

Kaiqiang Dong

Xinxia Gao

Lizhong Ji

Mingxiao Ding

Lingling Hou

Fuchou Tang

Jian Sheng

Cheng Wei

Mingdong Zhao

Lijing Xie

Zhibing Liu

Wenxiang Zhao

Tianfeng Zhou

Tianyang Qiu

Li Jiao

Xibin Wang

Dongwei Yang

Ping Zhen

Liang Chen

Yunbao Gao

Qimeng Lv

Disclosed is a spatial simulation method for assessment of direct economic losses of a typhoon flood based on a remote sensing, and the method includes following steps: S, collecting a multi-source data before and after a typhoon flood disaster in an affected area and preprocessing the said data to obtain a preprocessed data; S, extracting reset parameters of a hazard-bearing body according to the preprocessed data and constructing a feature set of the reset parameters of the hazard-bearing body; S, collecting insurance disaster assessment data and historical investigation data in the typhoon flood-affected area, and constructing a sample set of direct economic losses of the hazard-bearing body; and S, carrying out a spatial simulation of the direct economic losses of the hazard-bearing body by adopting a deep learning of a neural network model according to the feature set of the reset parameters and the sample set of direct economic losses.

Spatial simulation method for assessment of direct economic losses of typhoon flood based on remote sensing

A computer-implemented method according to one embodiment includes updating code segments of source code to include predetermined code pieces. The updated code segments are configured to output information about associated test cases upon the test cases being run. The method further includes running the test cases, and subsequent to a change being made to the source code, determining a prioritized subset of the test cases. The prioritized subset of the test cases is run. A computer program product according to another embodiment includes a computer readable storage medium having program instructions embodied therewith. The program instructions are readable and/or executable by a computer to cause the computer to perform the foregoing method.

Determination of a prioritized subset of test cases to run after a source code change

A blockchain-based transaction system for a green certificate includes an audit node, a proxy node, and an off-chain node. The proxy node is used by a power producer and a purchaser; the audit node verifies qualification information of the power producer, and send a green certificate to the power producer; the off-chain node predicts a transaction price of a next transaction; when receiving sale information of the power producer and purchase information of the purchaser, the proxy node sends the sale information, a digital signature of the power producer, the purchase information, and a digital signature of the purchaser to the off-chain node; the off-chain node matches the sale information and the purchase information, and sends successfully matched transaction information to the proxy node; the proxy node sends the successfully matched transaction information to a transaction smart contract; and the transaction smart contract performs transaction processing.

Blockchain-based transaction system for green certificate

Provided are a method and device employing a smart contract to realize identity-based key management. The method comprises: running a smart contract, and executing a key management process, wherein the key management process comprises: when a key of a target user requires an update and the target user is not a supervised user, generating a master public key and a master private key pertaining to the target user; acquiring, from a blockchain, identity information of the target user; generating a first target private key according to the master public key and the master private key pertaining to the target user and the identity information of the target user; and replacing a current private key of the target user with the first target private key.

Method and device employing smart contract to realize identity-based key management

Embodiments of the disclosure provide a method, apparatus, device, and storage medium for content capturing. The method includes, in response to a capturing start instruction, presenting a capturing start page which including at least a capturing control; in response to detecting a trigger instruction for the capturing control, switching from the capturing start page to a capturing page for video capturing, the capturing page including at least a stop control and a pause control, and the stop control being presented in a more prominent way than the pause control; and in response to detecting a trigger instruction for the stop control, switching from the capturing page to a video editing page, the video editing page being used to edit a captured video. In this way, it is possible for users to quickly perform video capturing and directly enter the editing page to complete editing of a work.

Method, apparatus, device and storage medium for content capturing

A multimedia information processing method, apparatus, electronic device, and medium are provided. The method includes: receiving a user's selection operation for any piece of multimedia information among multimedia information to be processed, the multimedia information to be processed comprising at least two pieces of multimedia information, any piece of multimedia information being any piece of multimedia information except the last piece; determining a target multimedia information piece on the basis of a selected operation; upon receiving a trigger operation for the target multimedia information piece, determining a corresponding processing method; on the basis of the determined processing method, correspondingly processing the target multimedia information piece. Thus, the complexity of processing multimedia information is reduced and efficiency is improved, thereby improving user experience.

Multimedia information processing method, apparatus, electronic device, and medium

Disclosed in the embodiments of the present disclosure are a method and apparatus used for generating a video, and an electronic device. The method comprises: while displaying an original video, acquiring audio material by means of background music of the original video, and acquiring image material, determining music points of the audio material, the music points being used for dividing the audio material into a plurality of audio clips; using the image material to generate a video clip for each music clip in the audio material so as to obtain a plurality of video clips, corresponding music clips and video clips having the same duration; and according to the times at which the music clips corresponding to the plurality of video clips appear in the audio material, splicing the plurality of video clips together, and adding the audio material as a video audio track to obtain a synthesized video.

Method and apparatus for generating video, electronic device, and computer readable medium

Disclosed is an injection molding method for a degradable intravascular stent with a flexible mold core structure. The injection molding method includes the following steps: Step 1, winding a metal rod with a flexible metal film, and applying an inward bending stress to the flexible metal film; Step 2, fixing the flexible metal film to the metal rod, and processing a complementary structure of the degradable intravascular stent on the surface of the flexible metal film; Step 3, performing injection molding processing; Step 4, ending the injection molding, removing the mating body of the flexible metal film and the metal rod and the degradable intravascular stent formed on the surface of the flexible metal film by injection molding, performing cooling, separating the metal rod from the flexible metal film, withdrawing the metal rod, and then removing the flexible metal film to obtain a formed degradable intravascular stent.

Injection molding method for degradable intravascular stent with flexible mold core structure

A video generating method, an apparatus, an electronic device, and a computer-readable medium are provided. The method includes: acquiring a first video set and an audio material; determining a first music point of the audio material according to an amount of the video materials in the first video set; generating, according to a sorting order of the video materials in the first video set, one video clip for each first music clip in the audio material by respectively using one video material, so as to obtain a first video sequence; adjusting, in response to detecting an editing operation on the video clip in the first video sequence, the video clip in the first video sequence, so as to obtain a second video sequence; and splicing together video clips in the second video sequence, and adding the audio material as a video audio track to obtain a composite video.

Video generating method, apparatus, electronic device, and computer-readable medium

According to embodiments of the present disclosure, there is provided a method, system, apparatus, electronic device, storage medium and program product for data exchange. The method described herein comprises: obtaining original data to be exchanged by a target application between a first platform and a second platform; obtaining normalized data corresponding to a type of the original data by processing the original data based on the type; determining a satisfaction of a data exchange constraint from the normalized data. In this way, the embodiments of the present disclosure may simplify and promote the determination of the data exchange constraint and accelerate the data exchange process.

Method, system, apparatus and device for data exchange

A data transmission method, implemented by a network device, includes sending a probe packet to a log server, determining whether the log server can receive a packet responsive to whether the network device receives a probe response packet from the log server, and sending a log packet to the log server when the log server can receive a packet. The log packet includes a correspondence between a public Internet Protocol (IP) address and a private IP address.

Data transmission method, apparatus, and system

In an approach for debugging and simulating application runtime execution, a processor loads source code and logs into a debug tool. A processor generates log debug information including a log map, a log variable cross reference table, and a method call stack tree. A processor determines a plurality of log blocks based on log context in the logs and the method call stack tree. A processor maps the source code to the logs for each log block. A processor suggests a starting point and a breakpoint based on the log variable cross reference table and the log blocks. A processor compares a source code variable value to a log variable value and a source code execution path to a log execution path based on the mapping set between the source code and the logs. A processor simulates the source code variable value with the log variable value.

Debugging and simulating application runtime execution

The present invention provides a chlorinated poly(propylene carbonate)/biomass composite material, comprising 3 wt % to 57 wt % of a chlorinated poly(propylene carbonate); 40 wt % to 94 wt % of a biomaterial; 2 wt % to 20 wt % of a rosin or a rosin derivative; 0 wt % to 1 wt % of an antioxidant; and 0 wt % to 5 wt % of a filler, wherein a sum of amounts of all components is 100 wt %. The chlorinated poly(propylene carbonate) functions as a binder, and plays an important role in the moisture resistance of the composite material. The rosin or the rosin derivative functions as a viscosifier and a lubricant, and can also improve the moisture resistance and mechanical property of the composite material. Under the synergistic effect of the above components, the composite material obtained in the present invention is excellent in both mechanical property and moisture resistance. Further, because the starting materials comprise a larger amount of biomass materials, the cost thereof is low, and because the starting materials contain no formaldehyde, benzene and the like, the material is environment friendly.

Chlorinated poly(propylene carbonate)/biomass composite material and method for preparing the same

The present invention discloses a rare-earth sulfide colorant and a preparation method thereof. The chemical formula of the rare-earth sulfide colorant of the present invention is RESy [REPO], wherein RE is selected from one or more of La, Ce, Pr, Nd and Sm, and the ratio of y to x is 0.001 to 0.65. The present invention also discloses use of a phosphorus-containing compound for increasing the vividness of a rare-earth sulfide colorant.

Colorant and preparation method thereof

A semiconductor wafer includes a substrate (), a buffer layer () deposited on the substrate (), and an epitaxial layer () above the buffer layer (). The buffer layer () includes a plurality of semiconductor material layers () and a plurality of oxygen-doped material layers (). The semiconductor material layers () and the oxygen-doped material layers () are deposited in an alternating arrangement on top of each other. Oxygen concentrations of the oxygen-doped material layers () gradually decrease along a direction from the substrate () to the epitaxial layer ().

Light-emitting diodes with buffer layers

Growing community of inventors

Beijing, China

Wei Jiang