Inventor

MA QIUFENG

CN35 patents

⚠️ This page may combine multiple inventors who share the name “MA QIUFENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

MA QIUFENG

NUCTECH CO LTD

Detection apparatus and detection method

Detection apparatus and detection method

Detection apparatus and detection method

Sample injection device and method for sample collection and sample thermal desorption, and trace detection apparatus

General sample injector, gas chromatograph and combined spectrometer

Sampling probe, automatic sampling device, and container detection system

Decomposition method and apparatus based on basis material combination

Pulsed sampling-based ion mobility spectrometer and sniffer

Gas purifying device and ion migration spectrometer

Preparation and feed apparatus of standard sample for calibration of trace-analysis instrument

Device for collecting semi-volatile or non-volatile substrate

Darkroom type security inspection apparatus and method

Gas chromatography-ion mobility spectrometry detector and gas chromatograph-ion mobility spectrometer

Sampling device and gas curtain guide

Gas analyzing apparatus and sampling device

Gas chromatograph-ion mobility spectrometer system

High purity germanium detector

Corona discharge assembly, ion mobility spectrometer, computer program and computer readable storage medium

Trace detection device

Real-time calibration device, real-time calibration method and detection apparatus

Gas chromatograph-ion mobility spectrometry combined equipment

Multiple functions ion mobility spectrometer device

Gas chromatography-ion mobility spectrometry apparatus

Corona discharge assembly, ion mobility spectrometer, computer program and computer readable storage medium

Wiping-type sample sampling and feeding device, card reading apparatus, and gate machine apparatus

Ion migration tube and method of operating the same

Ion mobility spectrometer

Sample introduction device

UNIV TSINGHUA

Sampling tube bundle, sampling analysis device and preparation method of sampling tube bundle

Sample collecting and introducing device and detection system

Gate system for sample detection and method of sample inspection

Scrubbing and sampling device, card reader apparatus and gate apparatus

Darkroom type security inspection apparatus and method

Gathering and sampling device and inspection apparatus

Nuctech Company Limted

Trace detection device