Southeast University

Nr Electric Co., Ltd

Nr Electric Engineering Co., Ltd.

Huawei Technologies Co., Limited

Nr Engineering Co., Ltd

Nanjing Forestry University

Chao Liu

Yunlong Dong

Jie Tian

Rui Xiao

Weicong Xu

Haiying Li

Lei Pan

Quanrong Shen

Longxing Shi

Weifeng Sun

Yu Lu

Jie Xiong

Jinhui Zhang

Gang Li

Shengli Lu

Siyang Liu

Nannan Wang

Jiaxing Wei

Ming Lei

Baoli Chang

Xinbao Wang

Ning Wang

Xiangchen Kong

Yuyang Fan

Jiayao Zhuang

Lihong Feng

Feng Gong

Tao Li

Peijun Li

Jiahuan Xu

Beichen Xue

Kun Tian

Xiaoxue Wang

Jiaxin Zheng

A mixed bacteria for promoting nodulation and nitrogen fixation ofand their application are provided. The mixed bacteria includessp. X-22,sp. X-26, andsp. X-28, all of which have been preserved in China Center for Type Culture Collection, and the preservation numbers respectively are: CCTCC No: M 2019237; CCTCC No: M 2019238; CCTCC No: M 2019239. The mixed bacteria are watered directly around the seedlings of. Compared with the single bacteria control group and the sterile control group, the disclosure can produce synergistic superimposing effects, significantly improve the nodulation rate and symbiotic nitrogen fixation of the, and promote the photosynthesis of the

Mixed bacteria for promoting nodulation and nitrogen fixation of Robinia pseudoacacia and application thereof

A biomass-based porous carbon composite material and preparation thereof and an application thereof in COadsorption are provided. In the biomass-based porous carbon composite material, with a pulping black liquid solid as a precursor, by arc treatment, porous carbon structures capable of physically adsorbing COand basic substances capable of chemically adsorbing COare obtained; with lignin in the precursor as the carbon source, and sodium hydroxide, sodium salts, and small-molecular carbohydrate degradation products in the precursor as the template and activator, porous carbon structures are obtained by arc thermal carbonization and self-activation; the basic substances are obtained by allowing sodium hydroxide and sodium salts in the precursor to undergo arc thermal decomposition. Further, the present disclosure relates to an application of the biomass-based porous carbon composite material in COadsorption.

Biomass-based porous carbon composite materials and preparation thereof and application in COadsorption

A system and method for COcapture and electroregeneration and synchronous conversion are provided. The system includes a COcapture subsystem, which uses an absorption liquid to capture COand generate a capture liquid; and a COelectroregeneration and synchronous conversion subsystem, including a cathode chamber provided with a cathode electrode, a sample inlet, and a sample outlet, an anode chamber having an anode electrode, a sample inlet connected to an outlet of the capture liquid of the COcapture subsystem, and a sample outlet connected to the sample inlet of the cathode chamber for introducing COregenerated by anodic oxidation into the cathode chamber for electroreduction, and a balance chamber in the middle having a sample outlet connected to an inlet of the absorption liquid of the COcapture subsystem. The system can perform self-circulation and stably operate, to capture, regenerate and convert CO.

System and method for CO2 capture and electroregeneration and synchronous conversion

This application discloses an audio stream switching method and apparatus. After a switching device receives a switching instruction, the switching device determines a synchronization relationship between a switch-in stream and a switch-out stream, determines a parameter value of a switching point of the switch-in stream based on the synchronization relationship and a timestamp of a packet in the switch-in stream, and determines a timestamp of a switching point of the switch-out stream based on the synchronization relationship and a timestamp of a packet in the switch-out stream, and/or the switching device switches a packet that is in the switch-out stream and whose parameter value is greater than the parameter value of the switching point of the switch-out stream to a packet that is in the switch-in stream and whose parameter value is greater than the parameter value of the switching point of the switch-in stream.

Audio stream switching method and apparatus

The present invention discloses a rapid evaluation method for quality of lignin-pyrolyzed bio-oil and an application thereof, and particularly relates to a rapid evaluation method for quality of lignin-pyrolyzed bio-oil based on radical detection and an application thereof. The method can be used to evaluate the quality of lignin-pyrolyzed bio-oil by detecting the spin concentration of radicals in lignin char obtained by lignin pyrolysis, thus avoiding the complex processes involved in the evaluation for the quality of conventional pyrolyzed bio-oils such as, extraction, separation and detection and reducing the detection costs substantially. The detection method of the present invention is simple and easy to operate, thus achieving the rapid evaluation for the quality of lignin-pyrolyzed bio-oil. Moreover, the detection method of the present invention is non-contact detection without destructive samples, which is applicable to the rapid detection on the quality of lignin-pyrolyzed bio-oil in the field of industry and scientific research. The present invention further broadens the application fields of radical detection and contributes to the development of radical detection technology in the field of pyrolysis, and provides a reliable method for the detection of lignin-pyrolyzed bio-oil, which has good application prospect.

Rapid evaluation method for quality of lignin-pyrolyzed bio-oil based on radical detection and application thereof

A method for incorporating a non-operating station into an operating system in a multi-terminal flexible DC transmission system. The method includes selecting a STATCOM operation mode for the non-operating station; opening a bypass switch at an AC side and connecting a charging resistor to an AC line; closing the AC incoming-line breaker, and pre-charging a converter valve of the non-operating station through the resistor; closing the bypass switch after the pre-charging; selecting a constant-DC voltage control mode for the non-operating station to perform deblocking; controlling the difference between a non-operating station DC voltage value and an operating system direct voltage value to be within an allowable range; closing the pole-connection device at the DC side of a converter of the non-operating station; and switching the non-operating station from the STATCOM operation mode to a DC operation mode, and incorporating the non-operating station into the operating system.

Method for incorporating non-operating station into operating system in multi-terminal flexible DC transmission system

A line power control method and system for a unified power flow controller includes outer loop line power control, inner loop valve side current control, and converter valve control. Series-side converter valve side current reference values Iand Iare calculated by means of the outer loop line power control according to line power instructions Pand Qthat are input, a measured line power U, and measured line power Pand Q; a converter output voltage reference value Uis calculated by means of the inner valve side current control according to the valve side current reference values that are output by means of the outer loop power control, a measured valve side current, and a measured valve side voltage; and finally, a converter outputs, according to the voltage reference value, a corresponding voltage to control line power to achieve a reference value.

Line power control method and system for unified power flow controller

A power module of a square flat pin-free packaging structure for suppressing the power module from being excessively high in local temperature. The power module includes an insulating resin, a driving chip, a plurality of power chips, and a plurality of metal electrode contacts. The driving chip, the power chips, and the metal electrode contacts are electrically connected through a metal lead according to a predetermined circuit. A plurality of metal heat dissipating disks used for heat dissipation of the power chips and a driving chip lead frame are disposed at the bottom of the insulating resin. A plurality of metal power chip lead frames are disposed on the metal heat dissipating disks, the power chips are disposed on the power chip lead frames, and the drain electrodes of the power chips are electrically connected to the metal heat dissipating disks.

Power module of square flat pin-free packaging structure

A unified power flow controller for a double-circuit transmission line comprises at least one parallel-connection transformer, three current converters, at least two series-connection transformers, a parallel-connection side switching circuit, a series-connection side switching circuit and a direct current common bus. The series-connection transformers connected with at least one group of by-pass switches in parallel. The three current converters connected to each loop line in series after being connected with at least one series-connection transformer through the series-connection side switching circuit. The three current converters connected to an alternating current system after connected with at least one parallel-connection transformer through a parallel-connection side switching circuit starting circuit. The three current converters are connected to the direct current common bus through a transfer switch.

Unified power flow controller for double-circuit line

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Nanjing, China

Chao Liu