Tsinghua University

Nuctech Company Limited

Beijing University of Technology

Beijing Institute of Technology

Academy of Military Medical Sciences

Beijing Minli Energy Storage Technology Co., Ltd.

Beijing Jinweilide Lock Trade Co., Ltd.

Jianxin Wang

Jianmin Li

Shangmin Sun

Wanquan Shen

Jianjun Su

Zhiqiang Chen

Hui Wang

Tao Li

Kejun Kang

Xiao Ming Ma

Yong Sen Zheng

Qing Zhang

Jie Huang

Xu He

Yucheng Wu

Zhizhong Liang

Fan Jiang

Yuelin Wu

Shujun Chen

Jing Wan

Fushui Liu

Zhenyuan Miao

Hongliang Yang

Siyuan Yu

Shuguang Zhao

Shihui Mu

Jinlong Gong

Guangqiang Men

Deyan Luo

Chunlin Zhuang

Zhenguo Yuan

A heat storage and heat release system for molten salt with steam heating is provided. The heat storage and heat release system for molten salt with steam heating includes a low-temperature molten salt tank, a high-temperature molten salt tank, molten salt pumps, a boiler barrel, a fixed tube-plate heat exchanger and a drum. The boiler barrel, the fixed tube-plate heat exchanger and the drum are arranged from high to low and are respectively. At least one molten salt outlet pipe and at least one molten salt returning pipe from the low-temperature molten salt tank are connected with the tube pass of the fixed tube-plate heat exchanger. At least one molten salt outlet pipe and at least one molten salt returning pipe from the high-temperature molten salt tank are connected with the tube pass of the fixed tube-plate heat exchanger.

Heat storage and heat release system for molten salt with steam heating

Disclosed in embodiments of the present invention are a synchronous control method and system for a laser test of an optical engine. The operation of a laser can be driven by the synchronous control system. When a test of a data point is finished and the optical engine stops for optical window cleaning, the laser may still maintain stable operation under the driving of the synchronous control system, experiments may be directly carried out next time, and thus, laser test efficiency of the optical engine can be improved. Moreover, the synchronous control system is adopted to independently drive the laser to achieve energy stability before experiments, preventing an influence of long-term operation on the performance of the optical engine, and improving test accuracy.

Synchronous control method and system for laser test of optical engine

Disclosed are a nicotinic acid or isonicotinic acid compound and a use thereof. The compound is the compound shown in Formula I, or a pharmaceutically acceptable salt, ester or solvate thereof. Efficacy tests demonstrate that the nicotinic acid compound can inhibittoxin endopeptidase activity in vitro, and has a significant protective effect on mice poisoned withtoxin. On this basis, the compound may be used to prepare a drug preventing and/or treatingtoxin exposure and/or poisoning. 

Nicotinic acid or isonicotinic acid compound and use thereof

A low-back-pressure penetrating arc welding apparatus and a welding method using the same are disclosed. Through vacuuming a central vacuum chamber of a low-back-pressure protection device by a suction device, a plume of a penetrating arc located in the central vacuum chamber, as well as a back side of a keyhole molten pool, are maintained in a negative-pressure vacuum state relative to an argon gas ambience. A pressure gradient in the keyhole molten pool is thus generated that points from a front side of the keyhole molten pool to the back side of the keyhole molten pool. The pressure gradient thus further enhances a stiffness of the front side of the keyhole molten pool as well as a stability of the penetrating arc, resulting in an enhancement in the piercing capability of the penetrating arc, without changing a force distribution and a temperature gradient of the keyhole molten pool.

Low back pressure penetrating arc welding apparatus and method

A containers/vehicles inspection system with adjustable radiation X-ray angle relates to the technical field of radiation inspection. The present invention comprises a detector arm rack equipped with detectors, a second collimator, a pulling device, and an accelerator rack with the accelerator. X-ray produced by the accelerator is right opposite to the calibrator, the first collimator and the second collimator all of which are arranged in order, wherein, said accelerator rack is further composed of a horizontal regulation mechanism for moving the base forward and afterward horizontally, a vertical regulation mechanism for moving the bending framework up and down vertically, a rotary regulation mechanism for rotating the cantilever, a pitching regulation mechanism for driving the accelerator to make pinching movement, as well as a framework formed by a base, a vertical arm, a bending framework and a cantilever. Compared with the prior arts, the present invention is advantageous in reasonable structural design, convenient use and high imaging quality, especially satisfactory effect of focused inspection to some suspicious areas. So it is the necessary equipment for inspecting the Customs goods.

Containers/vehicle inspection system with adjustable radiation x-ray angle

A double-radiant-source framework used for a radiation detecting system for containers, having a horizontal accelerator, a vertical accelerator and a gantry tower composed of a left vertical girder, a right vertical girder, an upper cross girder, and a lower cross girder. A horizontal collimator and accelerator, and a vertical collimator and accelerator, are fixed on the left vertical girder and the upper cross girder of the gantry tower, respectively, and emit radiation beams as two planes oriented parallel to each other. Detector modules are disposed inside the double-detector arm of the right vertical girder, and inside the upper cross girder and the lower cross girder, respectively, to receive the two emitted planes of radiation beams. The container detecting system can reduce the area covered by the scanning channel of the system, and make the transportation, installation and use convenient, and improve the quality of the detected images.

Double-radiant-source framework for container detecting system

A trailer system for radiation imaging, comprising a trailer including a frame, a plurality of guide wheels and connecting hooks, and anchoring devices, the frame comprises an intermediate section in the form of a H-shaped frame beam, a left frame bed and a right frame bed are connected to hinge shafts provided on four corner portions of the H-shaped frame beam, a positioning recess is provided centrally in an upper surface of each left and right frame beds, a wheel-catching means is provided at a rear end of each positioning recess, an upslope and a downslope daises are provided on a front end and a rear end of each of the left and the right frame beds, a support plate is provided at an outside end of each of the left and right frame beds, and a striking block is provided centrally at an outside of each support plate. The present invention requires low installation accuracy of the rails, and employs simultaneously moveable upslope and downslope daises convenient for mounting and using, thus increasing reliability, stability and practicability of the trailer.

Trailer system for radiation imaging

A lock device controlled by both mechanical force and magnetic force, comprising a cylinder having at least a group of mechanical pins and a group of magnetic pins; said group of magnetic pins including a slidable magnetic pin in the pin bore of the plug and a slidable metal pin in the pin bore of the shell; a key that matches with said lock device, when said key is inserted into the plug, a plurality of recesses of key match with the mechanical pins which are disposed in the pin bores of the plug; and a plurality of magnetic balls in the key match with the magnetic pins which are disposed in the pin bores of the plug; when the key is not inserted in plug, the metal pins partially extend into the pin bores of plug and bridge the shear plane between the plug and the shell by the action of a coil spring that locates in the pin bore of the shell; and polarities of the poles of the magnetic balls in the key and the opposite magnetic pins on their neighborhood faces are identical.

Cylinder lock combined with a magnetic pin and a non-magnetic pin

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Beijing, China

Jianxin Wang