Koninklijke Philips Corporation N.v.

Shanghai Huali Integrated Circuit Corporation

Commercial Aircraft Corporation of China, Ltd. Shanghai Aircraft Design and Research Institute

Shanghai Nuclear Engineering Research & Design Institute Co., Ltd.

Vivavisionshanghailtd

Commercial Aircraft Corporation of China, Ltd.

Vivavision Biotech Ltd.

Hao Jiang

Bao Wang

Robert Zou

Ying Liu

Lin Nan Li

Qi Zhong Lin

Jian Ma

Jinquan Yan

Wei Shi

Wang Shen

Biao Hu

Shangxin Yang

Yue Ding

Qiyang Jiang

Pu Zhang

Xinglong Wu

Zhixing An

Hengkang Zhang

Cunfei Li

Kuifeng Dang

Fu Li Chen

Chunli Liu

Liguo Yang

Tingting Niu

Shuan Xia

Youqiang Cai

Jun Lv

Minming Zhan

Jiangfeng Wang

Qinggong Meng

Mingxu Zhang

The present application discloses a four-terminal resistance testing structure. A test key includes a resistor string formed by connecting two or more tested resistors in series. Two ends of each tested resistor are respectively provided with one first pad. At least one of the two first pads of each tested resistor is shared as the first pad of an adjacent tested resistor. Each tested resistor includes two force terminals and two sense terminals. The two force terminals are formed by the first pads at the two ends of the tested resistor, and each of the two sense terminals is composed of a pad located at a position adjacent to the corresponding force terminal. The present application can reduce the number of pads and thus save the area on the premise of ensuring the measurement accuracy.

Four-terminal resistance testing structure

An acousto-optic leakage monitoring system for main steam pipeline in nuclear power plant. The system includes an acoustic emission leakage monitoring loop and a spectrum leakage monitoring loop, wherein the signal input ends of the acoustic emission leakage monitoring loop and the signal input ends of the spectrum leakage monitoring loop are respectively arranged at detection points of the main steam pipeline. The signal output ends of the acoustic emission leakage monitoring loop and the signal output ends of the spectrum leakage monitoring loop are communicatively connected to each other through a network switch, and the network switch is sequentially connected with a control unit and a display unit. Compared with the prior art, the acousto-optic leakage monitoring system for the main steam pipeline in nuclear power plant according to the present invention provides early warning before the main steam pipeline leaks and realizes the diversity and redundancy of the main steam pipeline leakage monitoring methods by combining acoustic emission and spectroscopy, so that the detection results are more credible, and the maintenance cost after installation is extremely low. The detection sensitivity is higher and the response time is shortened, which significantly improves the response speed after leakage is found and provides a larger safety margin.

Acousto-optic leakage monitoring system for nuclear power plant main steam pipeline

The present invention provides a phosphorus-containing compound characterized by being a compound represented by the following structure: 

Phosphorus-containing compound and preparation and use thereof

A linkage mechanism for controlling an aircraft landing gear hatch door includes a primary torsion tube having a first portion located inside a landing gear hatch and a second portion outside the landing gear hatch. A first drive apparatus transfer the driving force of a landing gear support column to the primary torsion tube. A secondary torsion tube has an inner end portion located inside the hatch and an outer end portion located outside the hatch. A second drive apparatus is located outside the landing gear hatch and connects the primary torsion tube and the secondary torsion tube outside the hatch. Two third drive apparatuses are connected between the inner end portion of the secondary torsion tube and one of the hatch doors.

Linkage mechanism for driving aircraft landing gear bay door

LED par lamp

Solid state lighting spot

Growing community of inventors

Shanghai, China

Hao Jiang