Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3755Chemical news office., 1932 |
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... units not at present known to be complex . The following table extracted from Alex- ander's " Colloid Chemistry 99 shows the order of size , i.e. , the diameter of certain material units expressed in fractions of a millimetre.t Visible ...
... units not at present known to be complex . The following table extracted from Alex- ander's " Colloid Chemistry 99 shows the order of size , i.e. , the diameter of certain material units expressed in fractions of a millimetre.t Visible ...
Strona 218
... units . t Since the untreated room with full audi- ence has 2,584 absorption units , there must be added by acoustic treatment 986 units . The choice of an absorbing material is a question of price and convenience , and sometimes of the ...
... units . t Since the untreated room with full audi- ence has 2,584 absorption units , there must be added by acoustic treatment 986 units . The choice of an absorbing material is a question of price and convenience , and sometimes of the ...
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