Jiangsu University of Science and Technology

Fortune Young Co., Limited

Jiangsu Dongcheng Tools Technology Co., Ltd.

Siemens Aktiengesellschaft

Southeast University

Tsinghua University

Capitalbio Corporation

Xuzhou Xcmg Excavator Machinery Co., Ltd

Other

Jiangsu University

Nanjing Chervon Industry Co., Ltd.

Outdoor Wireless Networks LLC

Hohai University

Shanghai Zhuoruan Medical Technologies Co., Ltd

Zhuoruan Medical Technologies (suzhou) Co., Ltd

Jian Zhang

Shijie Su

Yongmei Zhu

Yang Zhang

Hongcai Lin

Shuyan Wang

Qinfeng Li

Xin Ru Wang

Jing Cheng

Cheng Chen

An Chao Zhang

Qiang Li

Yun Chen

Jiawen Geng

Yuzhong Dong

Anlong Sun

Xiaorong Wang

Xujin Huang

Zhongchen Liang

Toshinari Yamaoka

Dong Li

Rui Wang

Bo Wu

Wei Zang

Tong Chen

Hui Zhu

Jianpeng Guo

Li Zhang

Yuemin Li

Wenxian Tang

Jun Shi

Dongsheng Liang

Gaoshan Jing

Yongjun Feng

Long Xian Ni

Baoji Yin

Xuedong Feng

Ben Zhang

Youlin Ling

Yu Wang

Lei Zhang

Bin Sun

Cheng Xue

Hua Li

Qing Wang

Chuan Yu Zhang

Xiao Bo Yang

Yan Liu

Tong Zhou Wang

Robert B Cameron

Shuang Wang

Rui Zhou

Yao Lei Kang

Jingwei Li

Fang Wang

Zhixia He

Qian Wang

Yuefeng Jin

Xinkui Zhang

Heng Miao

Fei Yan

Chengfa Gao

Bing Zhang

Qizhao Xu

Wenle Wu

Guoliang Liu

Tian'an Liao

Ze Sun

Jintai Li

Ziyang Huang

Jiyang Qi

Kai Yao

Zhigang Pan

Zhaohui Wu

Dabao Li

Xinguo Wang

Tugen Feng

Yongqiang Feng

Ping Hu

Shanwei Zhang

Jiaxin Jin

Futao Ni

Xuehui Song

Chenyang Di

Zhihui Jiang

Chen Huang

Guofeng Liang

Wenwei Wu

Weibo Wang

Shifeng Hang

Shuguo Pan

Si Zhang

Hong Zhuang

Yueyang Wang

Zhigao Tao

Zhengdao Hua

Xia Li

Wen Chao Qu

Yanheng Wang

Impact wrench

A fence structure for an antenna array having a plurality of radiating elements comprises: a first fence structure comprising a plurality of rows of first transverse fences extending in a first direction and a plurality of columns of first longitudinal fences extending in a second direction perpendicular to the first direction, where the first transverse fences and the first longitudinal fences collectively surround individual radiating elements in a box arrangement; and a second fence structure comprising a plurality of second fences, each second fence being arranged between respective two adjacent first longitudinal fences in a respective column of first longitudinal fences and electrically coupled with first transverse fences located at two sides of the second fence, a height of each second fence is larger than heights of the first transverse fence and the first longitudinal fence.

Fence structure and base station antenna comprising the same

A hydraulic system for a rotary implement, including an oil tank, a main pump, a control valve, and a rotary motor is provided. The oil tank is connected to an oil suction port of the main pump; an oil outlet of the main pump is connected to a P port of the control valve; a T port of the control valve is interconnected with the oil tank; and A and B ports of the control valve are connected to both ends of the rotary motor. The control valve includes a compensation valve connected to the P port and the T port, an electric proportional valve connected to the P port and the compensation valve, and an electromagnetic reversing valve connected to the compensation valve, the T port and the B port.

Hydraulic system for rotary implement

The invention discloses an intelligent detection method for multiple types of faults for near-water bridges and an unmanned surface vehicle. The method includes an infrastructure fault target detection network CenWholeNet and a bionics-based parallel attention module PAM. CenWholeNet is a deep learning-based Anchor-free target detection network, which mainly comprises a primary network and a detector, used to automatically detect faults in acquired images with high precision. Wherein, the PAM introduces an attention mechanism into the neural network, including spatial attention and channel attention, which is used to enhance the expressive power of the neural network. The unmanned surface vehicle includes hull module, video acquisition module, lidar navigation module and ground station module, which supports lidar navigation without GPS information, long-range real-time video transmission and highly robust real-time control, used for automated acquisition of information from bridge underside.

Intelligent detection method and unmanned surface vehicle for multiple type faults of near-water bridges

Charger

Lawn mower

The present invention relates to a relay protective device, a construction machine, a relay protection control method and apparatus, and a computer readable storage medium. The relay protective device includes: a power supply input contact; a relay protective module comprising a bistable relay and an output contact, wherein the bistable relay comprises a contact, a pull-in coil, and a release coil; an input terminal of the contact, an input terminal of the pull-in coil, and an input terminal of the release coil are connected to the power supply input contact; an output terminal of the contact is connected to the output contact; and a central control unit comprising a first port connected to the output contact, a second port connected to an output terminal of the pull-in coil, and a third port connected to an output terminal of the release coil; the central control unit is used for controlling the pull-in coil and the release coil to be alternately powered on so as to oscillate the contact when a voltage of the output contact is less than a first threshold and is not less than a second threshold, wherein the first threshold is less than a standard working voltage of the bistable relay, and the second threshold is the minimum allowable working voltage of the bistable relay.

Relay protective device, construction machine, relay protection control method and apparatus

A blower includes a motor, a fan driven by the motor to rotate about a first axis, a power supply device, and a housing assembly accommodating the motor and including an inner duct and an outer duct assembly. The inner duct is formed with an inner air inlet. The outer duct assembly surrounds the inner duct. The outer duct assembly includes an outer duct and a hood, where the outer duct is disposed on a front side of the hood, an outer air outlet is formed at an end of the outer duct facing away from the hood, an outer air inlet is formed on the hood and has a front end portion and a rear end portion along a direction of the first axis, and the inner air inlet is disposed between the front end portion and the rear end portion along the direction of the first axis.

Blower

Pruning machine

A pyram-shaped deep-sea pressure-resistance shell and a design method therefor. The shell comprises a conical shell, an annular combined shell, a cylindrical shell, a flange bolt, and a perforated thick plate; a bottom end of the conical shell is connected with a top end of the annular combined shell, the conical shell being in communication with an interior part of the annular combined shell; the perforated thick plate blocks the bottom end of the annular combined shell, the perforated thick plate and the annular combined shell being connected by means of multiple flange bolts; the cylindrical shell is disposed inside the annular combined shell, a lower end of the cylindrical shell being inserted in a gap between the annular combined shell and the perforated thick plate.

Pyram-shaped deep-sea pressure-resistant shell and design method thereof

Various embodiments of the teachings herein include methods for implementing communication conversion between a server-client system and a publish-subscribe (pub-sub) system. An example may include: receiving a message from the pub-sub system, wherein a topic of the message includes information related to a target service in the server-client system to which the message is to be sent, and a payload of the message includes identification information of a consumer in the pub-sub system, wherein the consumer is to receive a response message from the server-client system; parsing the message to determine a host and a service provider that provide the target service, and the consumer who is to receive the response message; sending a request message for the target service to the service provider on the determined host; receiving the response message; adding the identification information to the response message; and sending it to the pub-sub system.

Communication conversion method, gateway device, network system and computer medium

A deep-sea manned submersible and a design method for a pressure resistant hull curved structure thereof, the deep-sea manned submersible comprising a main hull body, a propeller assembly, annular sliding channels, a brake disc, and a brake. Two annular sliding channels are provided, and are fixed symmetrically on two opposite side surfaces of the main hull body. The main hull body is inserted vertically through the upper surface of the propeller assembly, and by means of the two annular sliding channels is slidingly connected to the propeller assembly, such that the outer contour of the whole body formed by the impeller assembly and the main hull body takes a nautilus shell shape. The brake disc is of an annular shape, and fixed on an outer ring of the main hull body, and the brake is mounted on the propeller assembly and corresponds matchingly with the brake disc.

Deep-sea manned submersible and design method for pressure resistant hull curved structure thereof

A pressure-resistant hull for a submersible, includes unit hulls, reinforcing ribs, connecting channels, and closure heads. A plurality of unit hulls are provided, and are sequentially strung together spiralling upward or spiralling downward, the closure heads being arranged on the unit hulls at the first position and the last position respectively, an observation window being provided on each unit hull respectively, adjacent two unit hulls in a horizontal direction being respectively connected by means of a reinforcing rib, and at least two connecting channels being provided between adjacent two rings of the unit hulls in the vertical direction. The design method includes using a spiral joining structure to facilitate organic adjustment of the number of unit hulls, thus having better utilization of space and aiding to greatly expand the space. The sensitivity of the limit load to defects is low, increasing axial rigidity, improving the overall pressure-resistive ability.

Pressure-resistant hull for a submersible and design method therefor

The present invention discloses a method and device for automatically drawing structural cracks and precisely measuring widths thereof. The method comprises a method for automatically drawing cracks and a method for calculating widths of these cracks based on a single-pixel skeleton and Zernike orthogonal moments, wherein the method for automatically drawing cracks is used to rapidly and precisely draw cracks in the surface of a structure, and the method for calculating widths of these cracks based on a single-pixel skeleton and Zernike orthogonal moments is used to calculate widths of macro-cracks and micro-cracks in an image in a real-time manner.

Method and device for automatically drawing structural cracks and precisely measuring widths thereof

The present invention discloses an optimized preparation method of a carbonization-based lightweight COfoamed cement-based material, and belongs to the field of geotechnical engineering materials. The preparation method includes: step S: pre-screening existing common cement-based foaming agents and foam stabilizers; step S: preparing a water-based carbon dioxide foam; step S: preparing a cement slurry, and mixing the water-based carbon dioxide foam with the cement slurry to prepare a lightweight COfoamed cement-based material; step S: selecting foaming agents of different types and different concentrations and foam stabilizers of different types and different concentrations to prepare slurries, subjecting the slurries to slurry performance tests, and selecting the optimal ones; step S: optimizing initial water-to-cement ratio and foam-to-slurry ratio parameters; and step S: optimizing a gas-filling volume parameter (water pump speed).

Carbonization-based lightweight CO2 foamed cement-based material, and optimized preparation method and use thereof

Growing community of inventors

Jiangsu, China

Jian Zhang