Shandong University

Chen Liu

Shouyu Wang

Jie Liu

Yong Wang

Yifan Ke

Libin Du

Yunliang Liu

Shuo Wei

Jinghe Chen

Mingchen Lei

Chengbin Ma

Mengqi Hu

Rui Zhao

Bingying Xia

Ruichun Dong

Guangzhi Li

A coincidence technique-based X-ray detection device and composition analysis method are provided, wherein the X-ray detection device includes: a sample holding device; an excitation unit for outputting X-rays with continuously adjustable energy; detectors comprising two SiC semiconductor detectors and two SiPIN semiconductor detectors; a signal processing unit for performing amplification, analog-to-digital conversion and classification on the detected signals to obtain energy information; a data processing device connected to the signal processing unit and used for analysis and calculation according to the energy information and determining element type and content of the sample to be tested, wherein the data processing device comprises a processor and a memory, the processor is used for executing following program modules stored in the memory: a storage module, a baseline recovery module, a calibration curve construction module, an extraction module, an effective energy information determination module, and a peak comparison module.

Coincidence technique-based x-ray detection device and composition analysis method

A long-endurance self-powered ocean buoy includes a buoy body, a power generation device and a gas bag base; the power generation device is mounted at a lower end of the gas bag base and includes a housing, a first power generation assembly, a second power generation assembly and a storage battery; the first power generation assembly includes a plurality of mutually-communicated gas chambers, hydraulic bags and control integration units. The lowest gas chamber is filled with a volatile working medium which can generate gas pressure by volatilization to drive power generation fans in turbines on a vent pipe communicating adjacent gas chambers for power generation. The second power generation assembly includes a plurality of temperature difference energy modules with one end surrounded by a phase change material and the other end in contact with the housing, so as to increase the power generation efficiency.

Long-endurance self-powered ocean buoy

An ore component analysis device and method are provided, the analysis device comprises: a sample containing device configured to place an ore sample to be detected; an excitation unit configured to output X-rays with continuously adjustable energy; a detector configured to detect the secondary X-rays; a signal processing unit configured to amplify, shape and classify the secondary X-rays to obtain counts and energy of the secondary X-rays; a data processing device comprising a processor configured to execute a storage module, a matching module, a count correction module, a peak seeking module, a calculation module and a content correction module stored in a memory, so as to obtain elements and contents thereof in the ore sample. The present application can be directly applied to production line for qualitative and quantitative analysis of ore components.

Ore component analysis device and method

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Weihai, China

Chen Liu