Qiufeng Ma | Researchain

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Featured researches published by Qiufeng Ma.

Archive | 2014

Gas chromatograph-ion mobility spectrometer system

Qingjun Zhang; Yuanjing Li; Zhiqiang Chen; Qiufeng Ma; Ziran Zhao; Yinong Liu; Yaohong Liu; Xiang Zou; Yanchun Wang; Junxiao Wang; Jianping Chang

Archive | 2017

DARKROOM TYPE SECURITY INSPECTION APPARATUS AND METHOD

Qingjun Zhang; Yuanjing Li; Zhiqiang Chen; Ziran Zhao; Weiping Zhu; Yaohong Liu; Qiufeng Ma; Xiang Zou; Huishao He; Jianping Chang; Song Liang

Archive | 2014

GENERAL SAMPLE INJECTOR, GAS CHROMATOGRAPH AND COMBINED SPECTROMETER

Qingjun Zhang; Yuanjing Li; Zhiqiang Chen; Qiufeng Ma; Ziran Zhao; Yinong Liu; Yaohong Liu; Junxiao Wang; Xiang Zou; Yanchun Wang; Jianping Chang; Linxia Tan

Archive | 2018

WIPING-TYPE SAMPLE SAMPLING AND FEEDING DEVICE, CARD READING APPARATUS, AND GATE MACHINE APPARATUS

Qingjun Zhang; Yuanjing Li; Ziran Zhao; Qiufeng Ma; Ge Li; Biao Cao; Qi Mao

Archive | 2018

GAS CHROMATOGRAPHY-ION MOBILITY SPECTROMETRY APPARATUS

Qingjun Zhang; Yuanjing Li; Ziran Zhao; Weiping Zhu; Huishao He; Qiufeng Ma; Xiang Zou; Biao Cao

Archive | 2015

Gas analyzing apparatus and sampling device

Qingjun Zhang; Yuanjing Li; Zhiqiang Chen; Ziran Zhao; Yinong Liu; Yaohong Liu; Qiufeng Ma; Huishao He; Weiping Zhu; Xiang Zou; Jianping Chang; Song Liang

Archive | 2015

Sample feeding device

Qingjun Zhang; Yuanjing Li; Zhiqiang Chen; Weiping Zhu; Huishao He; Qiufeng Ma; Yaohong Liu; Jianping Chang; Xiang Zou

Archive | 2014

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

Qingjun Zhang; Yuanjing Li; Zhiqiang Chen; Yanchun Wang; Ziran Zhao; Yinong Liu; Yaohong Liu; Xiang Zou; Qiufeng Ma; Junxiao Wang; Xianghua Li; Jianping Chang

Archive | 2014