Research Institute of Petroleum Processing, Sinopec

China Petrochemical Corporation

Shell Internet (beijing) Security Technology Co., Ltd.

Xiangwei Li

Meng Zhang

Xinjie Zhang

Haijing Wang

Guoqiang Gao

Jinghui Deng

Lishan Tong

Zhong Yin

Weisun Feng

Huaiqing Wang

Embodiments of the present disclosure disclose an interactive method, a client device, a mobile terminal and a server, which relate to an Internet technology field and provide a new way for interacting with a user. The interactive method provided by the present disclosure includes: sending a first request of obtaining first activity information to a server, such that the server obtains the first activity information in local according to the first request of obtaining first activity information, the first activity information comprising an activity entrance icon; receiving the first activity information returned by the server; displaying the activity entrance icon on a user interface of the client device according to the first activity information; receiving an activity participating instruction issued by a user through operating the activity entrance icon; popping up an activity participating result according to the activity participating instruction.

Interactive method, mobile terminal and server

A process for vapor phase hydrogenation of maleic anhydride and/or succinic anhydride to .gamma.-butyrolactone, comprising contacting an alcoholic solution of a feedstock anhydride with reduced Cu-Zn-Cr-Zr catalyst under the conditions of hydrogenation.

Process for the preparation of gamma-butyrolactone

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Beijing, China

Xiangwei Li