Xi'an Thermal Power Research Institute Co., Ltd

Xi' an Sinofuse Electric Co., Ltd.

Chinese Academy of Sciences

Xi'an Modern Chemistry Research Institute

China Iwncomm Co., Ltd.

Xi'an Jiaotong University

Tpk Touch Solutions (xiamen) Inc.

Xi'an Institute of Optics and Precision Mechanics, Chinese Academy

Wei Wang

Xiaoguang Shi

Xiaoping Xie

Xinning Huang

Jian Lu

Qinwei Yu

Feng Wang

Weiqiang Wang

Feng Hui

Junfeng Xiao

Yani Li

Xiaofeng Li

Suning Mei

Lin Xia

Jianming Yang

Mengqi Hu

Rongrong Chen

Jun Cao

Xiang Yan

Xibin Ge

Jun Yuan

Duorui Gao

Tao Duan

Song Gao

Yiyi Zhao

Yulong Su

Hui Hu

Yau-Chen Jiang

Pingping Huang

Zaisong Yu

Liang Zhao

Xingwen Li

Jian Wu

Pengyue Wu

Shuichao Kou

Shuting Liang

Feng Gao

Xin Wang

Lisong Zhang

Lei Xue

Ting He

Jia Wu

Xiaohui Wang

Zhipeng Li

Yue Yin

Jiewen Wang

Benqian Dai

Junbo Zhao

Mengyao Sun

Jinghua Li

Xinyu Guo

Yunfei Yan

Peihao Yang

Zhiyuan Jiang

Qi Chai

Yulun Chen

Ganghu Sun

Shaobo Duan

Xinmiao Zhou

Huantong Shi

Faguang Liang

Ziwei Chen

Dongfeng Chang

Zhenyu Wang

Hao Guo

Fengwei Zhao

Huanhuan Gao

Hui Cao

Ning Wang

Chunhua Mu

The present disclosure discloses an optical measurement device and method for a plasma magnetic field with adjustable sensitivity. The method comprises the following steps: constructing an optical rotation measurement system based on a pulsed laser beam for measuring an optical rotation image and a shadow image; processing the optical rotation image and the shadow image, and obtaining a distribution of proportional coefficients based on alight intensity distribution; obtaining a distribution of rotation angles based on a mapping relationship between the proportional coefficients and the rotation angles; constructing an interference measurement system based on the pulsed laser beam, and measuring a phase shift of an interference image; calculating a distribution of electron areal densities based on the phase shift in the interference image; obtaining a two-dimensional distribution of an average magnetic field based on the rotation angles and the electron areal densities.

Optical measuring device and method for plasma magnetic field with adjustable sensitivity

A lightweight scalable multi-user optical antenna includes a coarse tracking liquid crystal, an optical filter, a beam shrinking system, a fine tracking liquid crystal and a beam splitter which are arranged in sequence and are located on a same central axis; further includes a data analysis and instruction system, a coarse tracking liquid crystal controller, a fine tracking liquid crystal controller, j single-mode optical fibers, and an imaging system and a dichroic coupling system which are respectively arranged in two emergent light paths of the beam splitter; and can be used to receive and transmit the laser beams of j communication targets. When the number of users increases, only sub regions of the coarse tracking liquid crystal and the fine tracking liquid crystal need to be added, and no additional components need to be added, and the lightweight scalable multi-user optical antenna has strong scalability.

Lightweight scalable multi-user optical antenna and communication method

An optical antenna includes a coarse tracking liquid crystal, a coarse tracking liquid crystal controller, a beam shrinking system, a fine tracking liquid crystal, a fine tracking liquid crystal controller, a beam splitter, a first coupling system, a single-mode optical fiber, a second coupling system, a detector and a data analysis and instruction system. The antenna can be configured to receive a laser beam from a communication target and transmit the laser beam to the communication target. The optical antenna realizes the acquisition, tracking and pointing of the space laser beam by cascade connection of two stages of liquid crystal devices. At the same time, the optical antenna has the advantages of fast beam pointing and short response time by utilizing the deflection of the Bi-stable dual-frequency liquid crystals to realize change of high-precision beam pointing.

Lightweight optical antenna, and method for realizing acquisition, tracking and pointing based on same

Provided are a fuse and a circuit system. The fuse includes: a housing, a closed chamber being provided in the housing and being filled with an arc extinguishing filler, and a first conductive terminal and a second conductive terminal which are used as a current input end and a current output end being respectively connected to the housing; a melt which is connected in series between the first conductive terminal and the second conductive terminal, at least part of the melt being disposed through the closed chamber; and an impact apparatus, which is arranged in the housing, is positioned outside the closed chamber, and is configured to act, when receiving an excitation signal, on the melt to generate an impact force to make the melt break in the closed chamber.

Fuse and circuit system

A dry low NOstaged combustion system includes a fuel nozzle and a combustion compartment. The fuel nozzle includes a purge gas tube, a diffusion combustion fuel tube, an isolation gas tube, a premixed combustion fuel tube, a premixed combustion air tube. The purge gas tube is configured to feed a purge gas. The diffusion combustion fuel tube is fitted over the purge gas tube, and having an end provided with a diffusion combustion fuel swirler. The isolation gas tube is fitted over the diffusion combustion fuel tube. The premixed combustion fuel tube is fitted over the isolation gas tube. The premixed combustion air tube is fitted over the premixed combustion fuel tube. The combustion compartment is located downstream of the fuel nozzle.

Dry low NOstaged combustion system

The present disclosure provides an excitation fuse with a conductor and a fusant being sequentially broken, the excitation fuse comprising a housing and a cavity in the housing, wherein at least one conductor is provided to be inserted in the housing and the cavity and has two ends connected with an external circuit; at least one fusant is provided in parallel on the conductor; an excitation device and a breaking device are mounted in the cavity at one side of the conductor; the excitation device may receive an external excitation signal to act to drive the breaking device to sequentially form at least one fracture on the conductor and the fusant respectively; and at least one fracture on the conductor is connected in parallel with the fusant.

Excitation fuse with a conductor and a fusant being sequentially broken

A fuse in form of breaking fusant by fusing breaking and mechanical breaking includes hollow shell; arc extinguishing medium filled in the shell; at least one piece of fusant arranged in the shell; and conductive terminals provided as penetrating through shell wall and capable to be connected to external circuit, two ends of the fusant are respectively connected with the conductive terminals, at least one breaking device that mechanically breaks the fusant is provided in the shell; driving device arranged outside the shell, after receiving external excitation signal, drives the breaking device to break the fusant in one of linear and rotational displacement modes or their combination; blocking structures are arranged between the breaking device and the shell wall; and the fusant located in the arc extinguishing medium is provided with weak positions where mechanical breaking strength of the fusant is reduced and fusing is easy to be achieved.

Fuse in form of breaking fusant by fusing breaking and mechanical breaking

The system for frequency modulation based on Direct Current (DC) controllable load for a high-voltage plant includes a frequency modulator and a DC-controllable load for the high-voltage plant connected to the frequency modulator. The frequency modulator includes a centralized rectifier configured to adjust power of loads in the DC-controllable load in response to a frequency modulation command. The DC-controllable load is configured to respond to an adjustment of the power of loads performed by the centralized rectifier.

System and method for frequency modulation based on direct current controllable load

A mechanical breaking and fusing combined multi-fracture excitation fuse includes a shell, wherein a cavity is formed in the shell, and at least one conductor penetrates through the shell and penetrates through the cavity; at least one excitation device and one breaking device are arranged in the cavity of the shell; the excitation device can receive an external excitation signal to drive the breaking device to act to break a conductor corresponding thereof to form at least two fractures on the conductor, at least one fuse is connected in parallel onto the conductor. The melt is connected in parallel with at least one fracture, and the melt is connected in series with at least one fracture.

Mechanical breaking and fusing combined multi-fracture excitation fuse

A pulse detonation combustion system includes: an inlet pipe; an intake cone disposed in the inlet pipe, having an end provided with a pneumatic valve, and including an atomizing air transfer tube, a fuel transfer tube, and a conical swirl nozzle connected to the atomizing air transfer tube and the fuel transfer tube; an atomizing air intake tube connected with the atomizing air transfer tube; a fuel supply tube connected with the fuel transfer tube; a pulse detonation combustion chamber located downstream of and communicated to the inlet pipe, and provided with a spark plug mounting seat for mounting a spark plug; a gas energy distribution adjustment device located downstream of and communicated to the pulse detonation combustion chamber; and a transition section located downstream of and communicated to the gas energy distribution adjustment device.

Pulse detonation combustion system

A gas turbine power generation device includes: an inlet pipe (), a compressor (), an air storage compartment (), a compressor rotor (), a compressor gear shift (), a compressor exhaust pipeline (), a combustion chamber intake pipeline (), a combustion chamber intake cone (), a combustion chamber pneumatic valve (), a spark plug (), a combustion chamber (), a Tesla turbine (), a gas collection compartment (), an outlet pipe (), a turbine rotor (), a generator gear shift () and a generator ().

Gas turbine power generation device

The disclosure relates to a multi-modulation-format compatible high-speed laser signal generation system and method. The disclosure can greatly improve modulation format compatibility of a laser communication system and saves system upgrading costs and resource costs. The system mainly includes a control instruction unit, a serial-parallel changeover switch unit, a precoding switch unit, a power control unit, an IQ modulator, a narrow line width laser, and a bias point control unit, wherein the control instruction unit is respectively connected to the serial-parallel changeover switch unit, the precoding switch unit, the power control unit, and the bias point control unit; the serial-parallel changeover switch unit, the precoding switch unit, the power control unit, and the IQ modulator are electrically connected in sequence; the narrow line width laser is connected to an optical input end of the IQ modulator; and the bias point control unit is connected to the IQ modulator.

Multi-modulation-format compatible high-speed laser signal generation system and method

A phase-lock-free system includes a control instruction unit, a low-noise high-gain optical amplifier, an optical switch, a filter, an optical delay interferometer I, an optical delay interferometer Q, a first balanced detector, a second balanced detector, an anti-coding switch unit, a parallel-serial conversion unit, and a data processing unit. The control instruction unit is connected to the optical switch, the anti-coding switch unit, and the parallel-serial conversion unit, respectively; the low-noise high-gain optical amplifier is connected to the optical switch; the optical switch is connected to the first balanced detector and the second balanced detector by means of the filter, the optical delay interferometer I, and the optical delay interferometer Q, respectively. This system improves the compatibility of a communication system at a relay node in an existing laser communication network.

Phase-lock-free system and method for receiving multi-modulation-format compatible high-speed laser signal

Disclosed are a joint production method and device for aziridine, piperazine and triethylenediamine. The method comprises: reaction 1, preparing piperazine and triethylenediamine by taking ethanol amine as a raw material under the existence of a cyclamine catalyst; reaction 2, preparing aziridine by taking the ethanol amine as the raw material under the existence of a catalyst B; and taking heat released in the reaction 1 as a heat source of heat absorption in the reaction 2. The device comprises a reactor 1 for carrying out the reaction 1 and the heat exchange between reaction materials of the reaction 1 and the raw material of the reaction 2 and a reactor 2 for carrying out the reaction 2. According to the present invention, the same raw material, namely the ethanol amine is adopted, aziridine, piperazine and triethylenediamine can be produced in a joint manner, the heat released in the reaction 1 is used for preheating materials in the reaction 2, so that heat coupling between the reactions is implemented, energy conservation is facilitated and competitiveness of the device is improved.

Joint production method and device for aziridine, piperazine and triethylenediamine

The present invention relates to a catalyst for synthesizing ethylenimine as well as a preparation method and application thereof. The related catalyst comprises a carrier and metal ions loaded on the carrier; the carrier is a composite oxide comprising titanium, silicon and phosphorus elements; the metal ions are magnesium ions, iron ions and cesium ions; the molar ratio of the magnesium ions to the iron ions to the cesium ions is (1-10):1:0.1; the mass of all metal ions is 0.5-10 percent of that of the carrier. In the related preparation method, a catalyst precursor is roasted at the temperature of 350-650&#xb0; C., so that the catalyst is obtained; the catalyst precursor is the mixture of the carrier, soluble salt of magnesium, soluble salt of iron and soluble salt of cesium. The present invention also provides the application of the catalyst to synthesis of the ethylenimine by using amino alcohol as the raw material. Compared with a common catalyst which has the requirement on the temperature of over 400&#xb0; C., the catalyst of the present invention obviously reduces the reaction temperature. The prepared catalyst can catalyze the intramolecular dehydration reaction of the amino alcohol and has relatively excellent selectivity.

Catalyst for synthesizing ethylenimine as well as preparation method and application thereof

Growing community of inventors

Shaanxi, China

Wei Wang