Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Tetsufumi Harusue"'
Publikováno v:
NIPPON GOMU KYOKAISHI. 83:14-19
Gas permeability of high polymer is important as a physical property in the gas barrier evaluation of vehicle tires and some fuel hoses from the viewpoint of energy-loss. The precise measurement of permeability rate of oxygen and steam is recently re
Publikováno v:
BUNSEKI KAGAKU. 55:199-203
When a gas standard mixture is consumed, the pressure in its cylinder is reduced. We studied how much this affects the concentrations of the gas standard mixtures. We prepared VOCs (Volatile Organic Compaunds) gas standard mixtures (100 vol ppb), and