column
    Introduction of Monoenergetic X-Ray Calibration Device and Test Items of NIM
    GUO Siming, WU Jinjie, ZHANG Jian
    2021, 65(3): 3-8. DOI: 10.3969/j.issn.2096-9015.2021.03.01
    Abstract PDF
    Recent Prospects on Some Problems in Inertial Technology Metrology
    YE Wen, CAI Chenguang, YANG Ping, QUAN Wei, XING Li, HU Ruo
    2021, 65(3): 9-14, 52. DOI: 10.3969/j.issn.2096-9015.2021.03.02
    Abstract PDF
    Automatic Particle Measurement Method Based on Circle Fitting Aided Recognition Algorithm
    XU Xiao, ZHANG Wenge, CHI Shunxin
    2021, 65(3): 15-18. DOI: 10.3969/j.issn.2096-9015.2021.03.03
    Abstract PDF
    True-Value Centered Theory and Measured-Value Centered Theory in Measurement Error Theories
    YE Xiaoming, DING Shijun, SHI Huisheng
    2021, 65(3): 19-27. DOI: 10.3969/j.issn.2096-9015.2021.03.04
    Abstract PDF
    Performance Evaluation of a Nitrogen Oxides (NOx) Monitor with Zirconium Oxide (ZrO2) Oxygen Pumping Sensors
    PAN Susu, ZHANG Guocheng, YANG Zhenqi, LIU  Jiaqi , PAN Yiting, LI Qiang
    2021, 65(3): 28-31, 27. DOI: 10.3969/j.issn.2096-9015.2021.03.05
    Abstract PDF
    Evaluation of an Online Monitoring System for Atmospheric Heavy Metal
    WU Dan, GAO Xiaojing, LIAO Xiaoqing, ZHANG Guocheng, ZHAO Hongda
    2021, 65(3): 32-35. DOI: 10.3969/j.issn.2096-9015.2021.03.06
    Abstract PDF
    Analysis of the Type and Application of Guides for Indoor Standard Devices for Large-scale Length Measurement
    ZHANG Yongjun, CHEN Yong, LI Ting, ZHOU Yao
    2021, 65(3): 36-39, 35. DOI: 10.3969/j.issn.2096-9015.2021.03.07
    Abstract PDF
    Analysis of an Electrochemical Gas Sensor for Measuring Carbon Monoxide
    LI Guangyi
    2021, 65(3): 40-43. DOI: 10.3969/j.issn.2096-9015.2021.03.08
    Abstract PDF
    Analysis of Application of Servo Densitometers in Automatic Measurement of Oil Tanks
    ZHANG Peichun, LI Zhonglin, WEI Ke
    2021, 65(3): 44-48. DOI: 10.3969/j.issn.2096-9015.2021.03.09
    Abstract PDF
    Discussion on Measuring Performance of the Weighing Instrument in a Verification Facility for Water Meters Using a Weighing Method
    YU Xudong, ZHANG Lili, HU Jie, XIANG Yi, LUO Xiongfeng
    2021, 65(3): 49-52. DOI: 10.3969/j.issn.2096-9015.2021.03.10
    Abstract PDF
    Performance Evaluation of a Malodorous Gas Online-monitoring Instrument Based on the Technique of Ultraviolet Difference Spectroscopic
    YANG Zhenqi, GAO Xiaojing, LIAO Xiaoqing, ZHANG Guocheng, SHANG Yuyang, ZHOU Cheng
    2021, 65(3): 53-57. DOI: 10.3969/j.issn.2096-9015.2021.03.11
    Abstract PDF
    Verification of an Automatic Length Measurement System for Nuclear Fuel Rods
    TAN Ning
    2021, 65(3): 58-62. DOI: 10.3969/j.issn.2096-9015.2021.03.12
    Abstract PDF
    Discussion on the Effect of a Reinforcement Ring on the Static Pressure of Liquid on Vertical Metal Tanks
    LIU Kanglu, HUANG Shuai
    2021, 65(3): 63-65. DOI: 10.3969/j.issn.2096-9015.2021.03.13
    Abstract PDF
    Design Optimization of the Resonance Frequency of a High Sound Pressure Resonant Coupled Tube
    YANG Jiali, MAO Hongyu, HE Longbiao, ZHU Haijiang, FENG Xiujuan, NIU Feng
    2021, 65(3): 66-70. DOI: 10.3969/j.issn.2096-9015.2021.03.14
    Abstract PDF
    An Improved Standard Bell Prover
    FENG Jiaming, WU Tingfeng, LI Sicong
    2021, 65(3): 71-74, 62. DOI: 10.3969/j.issn.2096-9015.2021.03.15
    Abstract PDF
    Improved Strain Field Measurement Based on SPM and DIC
    BAI Wenqi, XIANG De, WANG Ningsha
    2021, 65(3): 75-79, 8. DOI: 10.3969/j.issn.2096-9015.2021.03.16
    Abstract PDF