Sinochem Corporation

Shenyang Research Institute of Chemical Industry Co., Ltd.

Central Research Institute of Building and Construction Co., Ltd. Mcc

China Jingye Engineering Co., Ltd

Man Xu

Hong Zhang

Qing Xu

Hongfei Wu

Bin Li

Haibo Yu

Lizeng Wang

Yanmei Luo

Bin Zeng

Yan Cheng

Yanchao Shao

A damage identification method based on cable force tests of a cable system and test error self-adaptive analysis is proposed to measure cable forces in prestressed steel structures and find out possible damage positions of the cable system. The method includes placing a laser velocimeter; measuring the vibration speed history data of the measuring point P on the cable by the laser velocimeter; calculating the cable force; calculating all the cable forces of the cable system through the same procedure; analyzing error between cables and finding out the possible damage of the cable or of the tie rod connected to the cable. The dynamic response characteristics of both in-plane and out-of-plane of a cable can be obtained through the method of the present invention. The self-verified more accurate results can be obtained, and the damage in a cable system can be determined according to error self-adaptive analysis.

Damage identification method based on cable force tests of cable system and test error self-adaptive analysis

A kind of pyrazolyl acrylniitrile compounds represented by the structures of formula I or stereoisomers thereof are disclosed in the present invention.  Where in: Ris selected from the group of substituents consisting of H, C-Calkoxy C-Calkyl, C-Calkenyloxy C-Calkyl, C-Calknyloxy C-Calkyl, C-Calkylthio C-Calkyl, C-Calkyl carbonyl, C-Ccycloalkyl carbonyl, C-Calkoxy carbonyl or C-Calkylthio carbonyl; Ris Cl or methyl; Ris H, methyl, CN, NOor halogen. Or its stereoisomers. The Formula I compounds have high insecticidal activities or acaricidal activities, so they can be used as insecticide or acaricide.

Pyrazolyl acrylonitrile compounds and uses thereof

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Beijing, China

Man Xu