Research Highlights

NIM to provide urgently needed 2019-nCoV RNA certified reference materials
The National Institute of Metrology (NIM), China has successfully developed two certified reference materials (CRMs) for 2019-nCoV nucleic acid testing (NAT): a high concentration standard and a low…
NIM successfully developed the primary standard cesium fountain clock - NIM6
Release time: December 25, 2019 After conquering a series of obstacles of key techniques such as cold atom preparation, cooling and detection, ultra-stable microwave generation, NIM has successfully…
Research on the new kelvin brought NIM a top national science award in 2018
Accurate measurements of temperature underpin a wide variety of fields, science, energy industry, environment, health, and life quality, just to name a few. Traditional temperature standards rely on…
Know more about your“Eyes”
Eyes are the windows to your soul. Over 80% of human cognition comes from visual information. Hence, the research on human eyes, understanding and acquiring visual threshold characteristics, is…
A world-class calculable capacitor developed at NIM
Calculable capacitors provide traceability to AC impedance. At present, it is the third top accurate measurement standard in electromagnetic field just following the Josephson voltage standard and…
Atom gravimeter - a competitor to optical gravimeter
Precision gravity measurement is an indispensable means to obtain the basic data of the Earth's gravity field. It has important strategic significance and is widely used in geophysics, resource…
Three types of chips for electrical standards developed successfully
The quantum voltage standard and the Quantum Hall resistance standard are the most accurate standards in electrical metrology area, and are the basis of other electrical standards. NIM has built…
The new quantum electric field measurement standard
As electromagnetic research, the precision measurement of electric field intensity based on quantum effect has become an important basis for exploring new electromagnetic effects. This effect also…
Leading China’s implementation of the new OIML Certification System
The OIML Certification System (OIML-CS) is a system for issuing, registering and using OIML certificates and their associated OIML type evaluation/test reports for types of measuring instruments (…
NIM‘s contribution to the UTC further rises
The BIPM data released in September 2018 showed a further increase of NIM time-keeping clocks’ contribution weight to UTC to 7.94%, ranking the third in the world only after USNO of USA and VINIIFTRI…