Zobrazeno 1 - 10
of 14
pro vyhledávání: '"Jin Wan Chung"'
Publikováno v:
MAPAN. 29:223-227
The adsorption layers on the surface of silicon artifacts were determined experimentally as a function of relative air humidity in the range of 0.07
Publikováno v:
International Journal of Precision Engineering and Manufacturing. 13:299-302
An automatic weight exchanger for series design calibration of a decade weights is described. The vertical pan with 6 loading positions is hanged down from a balance hook. Weights are loaded on and lifted off vertically. Every weight has its own vert
Publikováno v:
Journal of the Korean Physical Society. 53:916-919
A bilateral comparison of mass standards of 100 mg, 100 g and 2 kg was carried out between the Ulusal Metroloji Enstitusu (UME, Turkey) and the Korea Research Institute of Standards and Science (KRISS, Korea) during the period from December 2005 to J
Autor:
G D Chapman, I van Andel, S M Lee, James Berry, C Sutton, P Fuchs, Richard Davis, Ulf Jacobsson, V M Loayza, Jin Wan Chung, Luis Omar Becerra, C S Chang, F Scholz, Tanguy Madec, C Matilla, I Field, Akira Ooiwa
Publikováno v:
Metrologia. 43:426-434
The ubiquitous technology of magnetic force compensation of gravitational forces acting on artifacts on the pans of modern balances and comparators has brought with it the problem of magnetic leakage from the compensation coils. Leaking magnetic fiel
Publikováno v:
International Journal of Precision Engineering and Manufacturing. 13:137-139
The density of air was directly measured using a Pt-Ir kilogram prototype and a stainless steel kilogram as buoyancy artifacts (BA) in a balance using an automatic weight exchanger capable of handling four weights. The mass values of two other stainl
Publikováno v:
Metrologia. 54:07018
This report describes a bilateral comparison of 1 kg stainless steel mass standard between the Korea Research Institute of Standards and Science (KRISS), and the National Measurement Centre, Agency for Science, Technology and Research (A*STAR), Singa
Autor:
Jin Wan Chung, I van Andel, L O Becerra, W Bich, V Bogdanov, J W Chung, S Davidson, K M K Fen, P Fuchs, M Gläser, Y Hong, Z J Jabbour, C Jacques, A Kumar, V M Loayza, T Madec, N Medina, A Ooiwa, P Richard, V Snegov, R Spurný, W Wisniewski
Publikováno v:
Metrologia. 48:07008-07008
In order to show equivalence of mass standard determination among NMIs of CIPM member countries, key comparisons of mass standards have been carried out under the auspices of the CCM. At each NMI, mass standards are derived from one kilogram by means
Publikováno v:
Metrologia. 48:07007-07007
This report describes a bilateral comparison of 500 g, 20 g, 2 g and 100 mg stainless steel mass standards between Korea Research Institute of Standards and Science (KRISS) and National Physical Laboratory, India (NPLI), which is registered in the KC
Autor:
Rungsiya Sukhon, Soo Fatt Chen, Shih Mean Lee, Chris Sutton, Ireen Field, Renanta Hayu, Tripurari Lal, Tak Kin Chan, Jin Wan Chung, Feng-Yu-Yang, Kitty Fen
Publikováno v:
Metrologia. 46:07014-07014
This report summarizes the results of a comparison of mass standards conducted between eleven participating members, including the pilot laboratory, of the Asia-Pacific Metrology Program (APMP). One set of five weights with nominal mass values 10 kg,
Publikováno v:
Journal of the Korean Physical Society. 51:266