Chinese Academy of Sciences

Huawei Device Co., Ltd.

Shanghai Jiao Tong University

China Unionpay Co., Ltd.

East China Normal University

Nanjing Luyesike Pharmaceutical Co., Ltd.

Wei Lv

Jing Lv

Jian Ding

Yi Chen

Qi Zhang

Jun Shen

Gang Shi

Han Wang

Xu Cai

Jianwen Zhang

Kangjie Chao

Jing Liu

Yao Qin

Yunfeng Cao

Haoshu Shao

Xudong Tang

Daili Li

Ye Lian

Yajun Pan

Shanbao Yu

Yu Luo

Longlong Ma

Chenguang Wang

Yuting Zhu

The application provides a method for data reading and writing processing, data center, disaster recovery system and storage medium. The method includes receiving, by a first data center, a data reading request including a first user identification; determining, in response to the data reading request, whether a writing user identification set stored in the first data center includes the first user identification, the writing user identification set including user identifications corresponding to data writing requests; and under a condition that the writing user identification set includes the first user identification, forwarding the data reading request to a second data center, to read, in the second data center, data to be read as indicated by the data reading request, the second data center being configured to receive and process a data writing request sent by a user terminal or forwarded by the first data center.

Method for data reading and writing processing, data center, disaster recovery system and storage medium

The present invention discloses a modular intelligent combined wind power converter and a control method thereof. The modular intelligent combined wind power converter comprises separate bridge arm power units, wherein a plurality of the bridge arm power units are connected in parallel to form a high-capacity bridge arm power module, three bridge arm power modules form a three-phase full-controlled bridge power module, and the three-phase full-controlled bridge power module comprises an electric reactor, a capacitor, a fuse and a circuit breaker to form a basic converter module, and the basic converter module forms a high-capacity wind power converter through a modular intelligent combination method.

Modular intelligent combined wind power converter and control method thereof

A power supplying method and apparatus. The power supplying apparatus includes: a detection module, connected to a detection pin group of a camera module, and configured to generate a recognition signal according to a detected detection signal on the detection pin group of the camera module; a power supply recognition module, connected to the detection module, and configured to recognize a type of the camera module according to the recognition signal, to determine power supply information corresponding to the type of the camera module; a power-on control module, connected to the power supply recognition module and a power supply module, and configured to control a power supply time sequence of at least three power supply units and a power supply voltage of each of the power supply units, so that the at least three power supply units supply power to the camera module.

Power supplying method and apparatus

Provided are a camptothecin compound containing 7-membered lactone ring, as shown in general formula I, and pharmaceutically acceptable salt thereof, as well as the preparation method and use thereof. In general formula I, Ris H, a C1&#x2dc;C3 alkyl, acetyl or propionyl; Ris H, a C1&#x2dc;C6 alkyl, a C3&#x2dc;C6 cycloalkyl, piperidyl; or a C1&#x2dc;C6 alkyl substituted by an amino; Ris H, a C1&#x2dc;C3 alkyl, or a C1&#x2dc;C6 alkyl substituted by an amino; Ris H, a hydroxyl, or a C1&#x2dc;C6 alkoxy; Ris H, or a C1&#x2dc;C6 alkoxyl; or Rand Rare linked to each other to form &#x2014;OCHO&#x2014; or &#x2014;OCHCHO&#x2014;. The compound has good anti-tumor activity, and can be clinically used via oral administration, intravenous injection, and intramuscular injection, among others. 

Camptothecin compound containing stable 7-membered lactone ring, preparation method and use

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Shanghai, China

Wei Lv