Alibaba Group Holding Limited

Advanced New Technologies Co., Ltd.

Northeastern University

Zhejiang Lab

Other

Zhejiang University

Hangzhou Star Lighting Corp., Ltd.

Feng Lin

Huanmi Yin

Xiaodong Zeng

Jun Wu

Hong Zhang

Xiating Feng

Peng Huang

Weihua Luo

Qin Zhang

Shiping Li

Jiuyu Zhang

Linqing Wang

Chengxiang Yang

Tianyang Tong

Xiangxin Su

Wei Zheng

Jiankang Sun

Lei Yang

Huaxing Jin

Zhe Han

Xinyu Weng

Xu Yang

Haitao Jiang

Fuqiang Li

Lei Cao

Kai Song

Jian Liao

Shousong Zhang

Zhanhui Kang

Jiong Feng

Li Chen

Hongsheng Wang

Guang Chen

Sihai Yao

Li Sun

Fei Wu

Rong Wang

Lei Jiao

Yongsheng Zhan

Yunhe Pan

Xiao Chao

Ping Ruan

Jiayu Tang

Xiaobo Zhang

Lei Wang

Ying Chu Wang

Tao Wang

Le Zhou

Jiajia Li

Chen Chen

Chao Wang

Fan Yang

Kui Ren

Guofei Jiang

Jun Tian

Kaiming Huang

Zhongzheng Ye

Shiqi Jiang

Fang Fang

Hongbo Cai

Yanchu Guan

Jinsong Han

Shengxiang Jiang

Zhigen Wang

Cheng Xu

Zhao Yang

Yuanyong Lu

Zuliang Chen

Guopeng Sun

Wenyao Xu

Ming Gao

Tiantian Liu

Zhongjie Ba

Chunlin Fu

Juan He

Yunchan Ao

Hongfei Jiang

Jun Lu

Rui Huang

Zhenyuan Wu

Qingfu Liu

Yang Yi

A mechanical ore sample testing device integrating microwaves and cutter heads, and a use method are provided. The mechanical ore sample testing device comprises an equipment platform, a cutter head cutting system, a microwave fracturing system, a loading device and a cantilever crane. The microwave fracturing system and the cutter head cutting system are fixed to the equipment platform, and the loading device and the cantilever crane are mounted at a front end of the equipment platform. A microwave mechanical longwall mining method for a metallic ore is provided. Microwaves move in sync with machines to break a rock, microwave fracturing methods comprise high-power microwave integral fracturing and local rapid fracturing of soft microwave coaxial lines in the cutter heads; and a lateral cutting method of an ore body by a cutter head technology is applied, a mechanical rock breaking principle is changed from previous extrusion breaking to tension breaking.

Mechanical continuous mining device integrating microwaves and cutter heads, and use method

A microwave drill bit capable of achieving fracturing of a borehole wall and end of a deep hard rock while drilling and a use method thereof are provided. The microwave drill bit comprises a microwave drill bit body, wherein a support frame front plate, a metal sleeve and a water inlet ring sequentially sleeve on the microwave drill bit body, the metal sleeve is connected with a rotary drive I mounted on the support frame front plate, the microwave drill body is connected with a microwave mode converter and a microwave splitter II respectively, the microwave mode converter and the microwave splitter II are connected with a microwave splitter I by a rectangular waveguide, the microwave splitter I is sequentially connected with a microwave rotating joint, a fixed waveguide and a microwave generator, and the microwave rotating joint is connected with a rotary drive II mounted on the support frame rear plate.

Microwave drill bit capable of achieving fracturing of borehole wall and end of deep hard rock while drilling and use method thereof

A method and an apparatus for cross-media corresponding knowledge generation. The method comprises: generating a second knowledge unit of a second medium according to a first knowledge unit of a predefined first medium; generating a first feature parameter vector corresponding to the first knowledge unit and a second feature parameter vector corresponding to the second knowledge unit; mapping the first feature parameter vector and the second feature parameter vector to a corresponding two-dimensional spherical feature surface to obtain a first feature point of the first feature parameter vector on the corresponding two-dimensional spherical feature surface and a second feature point of the second feature parameter vector on the corresponding two-dimensional spherical feature surface; indexing the first feature point and the second feature point to obtain a first index and a second index; and generating a bidirectional index corresponding relationship between the first knowledge unit and the second knowledge unit.

Cross-media corresponding knowledge generation method and apparatus

The disclosure provides a multimodal speech recognition method and system, and a computer-readable storage medium. The method includes calculating a first logarithmic mel-frequency spectral coefficient and a second logarithmic mel-frequency spectral coefficient when a target millimeter-wave signal and a target audio signal both contain speech information corresponding to a target user; inputting the first and the second logarithmic mel-frequency spectral coefficient into a fusion network to determine a target fusion feature, where the fusion network includes at least a calibration module and a mapping module, the calibration module is configured to perform mutual feature calibration on the target audio/millimeter-wave signals, and the mapping module is configured to fuse a calibrated millimeter-wave feature and a calibrated audio feature; and inputting the target fusion feature into a semantic feature network to determine a speech recognition result corresponding to the target user. The disclosure can implement high-accuracy speech recognition.

Multimodal speech recognition method and system, and computer-readable storage medium

Provided is a use method of a gravity double-tube microwave-assisted grinding device capable of controlling ore thickness. The method comprises the following steps: step 1, estimating a metal mineral content of ores; step 2, calculating a penetration depth of the ores, step 3, determining a feeding size; step 4, determining a material thickness; step 5, determining a discharging speed V; step 6, determining whether the gravity double-tube microwave-assisted grinding device capable of controlling ore thickness adopts a single-tube structure or a double-tube structure; and step 7, conveying the ores, performing heating, optimizing material parameters of the ores, and optimizing microwave parameters. By determining the feeding size of the ores and the material thickness, whether the gravity double-tube microwave-assisted grinding device capable of controlling ore thickness adopts the single-tube structure or the double-tube structure is determined, and the assisted grinding efficiency of a microwave equipment on the ores is improved.

Use method of gravity double-tube microwave-assisted grinding device capable of controlling ore thickness

A cross-media knowledge semantic representation method and apparatus. The method comprises: performing data acquisition according to a preset semantic description; inputting data information of a topological structure acquired by the data acquisition into a preset stack of an automat corresponding to the semantic description, the finite state set is used for indicating states included in the automat, and the input vocabulary list is used for indicating vocabularies included in the automat; mapping the data information by the automat to obtain key frames corresponding respectively to substructures and/or branches of a target object acquired by the data acquisition; and generating a visual semantic representation of the topological structure according to the key frames corresponding respectively to the substructures and/or branches of the target object acquired by the data acquisition, such that cross-media knowledge alignment is realized.

Cross-media knowledge semantic representation method and apparatus

The present disclosure discloses a method for executing a task. The method includes: a master computing device node in a computing cluster system receives a task code of a to-be-executed task; the master computing device node divides the to-be-executed task into subtasks, and for each of the subtasks, the master computing device node determines operators required to execute the subtask based on the task code; the master computing device node respectively distributes the subtasks to computing nodes in the computing cluster system, such that for each of the computing nodes, the computing node generates an executable task subgraph for the computing node based on the operators required to execute the subtask distributed to the computing node and data transmission relationships between the operators required to execute the subtask distributed to the computing node, and runs the executable task subgraph to execute the to-be-executed task.

Methods and apparatuses for executing tasks, storage mediums, and electronic devices

Provided is a test system for hard rock breaking by a microwave intelligent loading based on true triaxial stress, including: a true triaxial stress loading device consisting of a loading frame and a rock sample moving structure; a microwave-induced hard rock breaking device consisting of an excitation cavity, a rectangular waveguide, a magnetron, a thermocouple, a circulator, a cold water circulation device, a flowmeter, a power meter, an automatic impedance tuner, a coupler, a microwave heater and a shielding cavity; and a dynamic rock response monitoring and intelligent microwave parameter control system consisting of a CCD industrial camera, a temperature acquisition device and an anti-electromagnetic high-temperature resistant acoustic wave-acoustic emission integrated sensor. According to the test system, the microwave-induced hard rock breaking test, dynamic monitoring temperature and rock breaking in microwave-induced breaking process and intelligent control over microwave power and heating time are achieved.

Test system for hard rock breaking by microwave intelligent loading based on true triaxial stress

The present disclosure discloses a distributed model compilation system. A master node of the system determines the logic calculation graph of the model based on model information, divides the logic calculation graph into multiple logic calculation sub-graphs, generates a distributing message for each logic calculation sub-graph, and then transmits the distributing message to a slave node. Each of the slave nodes allocates a local computing resource to compile the logic calculation sub-graph based on the received distributing message, and transmits compilation completion information to the master node. The master node determines the completion of model compilation based on the compilation completion information returned by each slave node, and executes the target work based on the compiled model.

Distributed model compilation

The invention relates to a low-power microwave coring machine suitable for lunar rocks and a use method. The low-power microwave coring machine suitable for lunar rocks comprises an equipment platform, wherein the support framework front plate and the support framework rear plate are mounted on the equipment platform in a sliding manner, a rear end surface of the support framework rear plate is connected with a front end of the microwave generator mounted on the equipment platform, a rear end of the microwave generator is sequentially connected with the fixed waveguide, the rotary waveguide, the power divider and the drill drum, the high-precision slip ring structure is mounted on the drill drum, the gear ferrules are arranged on an outer wall of the rotary waveguide and an outer wall of the drill drum.

Low-power microwave coring machine suitable for lunar rocks and method of using the same

Embodiments of the present specification disclose a resource sharing method, apparatus, and device, where the method includes: obtaining, by a first blockchain node, a resource from a second blockchain node; performing, by the first blockchain node, a sharing operation to share the resource with one or more user terminals; generating, by the first blockchain node, sharing information related to the sharing operation; and broadcasting, by the first blockchain node, the sharing information to a blockchain network associated with the first blockchain node and the second blockchain node.

Resource sharing method, apparatus, and device

In an implementation, one or more user interactions from a virtual reality (VR) device user for initiating a service in a VR scenario of a VR application are detected. One or more eye physiological characteristics of the VR device user are obtained for user identity authentication. The obtained one or more eye physiological characteristics are compared with one or more pre-stored eye physiological characteristics samples. The VR device user is authenticated if the one or more eye physiological characteristics match at least a portion of the one or more pre-stored eye physiological characteristics samples, and a server that provides and performs the service is communicated with.

Service control and user identity authentication based on virtual reality

A microwave-mechanical fluidization mining system and a mining method for metal mines. The microwave-mechanical fluidization mining system comprises a microwave pre-splitting mechanical mining system, a microwave separation system, a high-power microwave focused melting system and a goaf, wherein ore-waste rock mixtures mined by the microwave pre-splitting mechanical mining system are transported to the microwave separation system through a conveyor and an elevator on the microwave pre-splitting mechanical mining system, separated ores are transported to the high-power microwave focused melting system, and separated waste rocks are transported through a conveyor to the goaf for filling. Microwave pre-splitting mechanical mining is adopted instead of a traditional blasting mining method to increase an excavation speed and avoid the influence of blasting on the stability of surrounding rocks.

Microwave-mechanical fluidization mining system and mining method for metal mines

LED floor lamp

The invention provides a microwave plasma adaptive rock breaking device for microwave-insensitive rocks and a using method thereof, and relates to the technical field of rock breaking. The microwave plasma adaptive rock breaking device comprises a microwave system, a microwave plasma conversion system and a cutter head system. The microwave system and the microwave plasma conversion system are mounted in the cutter head system, and the microwave system is connected with the microwave plasma conversion system. Under the premise that only a microwave source is used to supply energy, the combined action of ordinary microwave irradiation and plasma irradiation in the form of high-temperature flame is realized, and a full-section hard rock tunnel boring machine is in cooperation for breaking rocks, so that the problem of microwave-induced cracks of the microwave-insensitive rocks is solved, and the application scope of a microwave rock breaking technology is enlarged.

Microwave plasma adaptive rock breaking device for micro wave-insensitive rocks and method for using the same

Growing community of inventors

Hangzhou, China

Feng Lin