Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3755Chemical news office., 1932 |
Z wnętrza książki
Wyniki 1 - 3 z 6
Strona 210
... material 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 ...
... material 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 ...
Strona 218
... material of low coefficient will give better results than one of higher absorption , due to the more uniform distribution of material . We will suppose that a material of coefficient 0.25 has been adopted . Assuming plenty of space ...
... material of low coefficient will give better results than one of higher absorption , due to the more uniform distribution of material . We will suppose that a material of coefficient 0.25 has been adopted . Assuming plenty of space ...
Strona 219
... material the best results are obtained if the material is placed entirely in that portion of the audi- torium occupied by the audience , while the wall and ceiling around the stage are left untreated . Experience with existing ...
... material the best results are obtained if the material is placed entirely in that portion of the audi- torium occupied by the audience , while the wall and ceiling around the stage are left untreated . Experience with existing ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
absorbing absorption acid acoustic activity application Arts Association atom audience auditorium becomes bibliographies British cause ceiling cent Chemical chemistry coefficient complete contained cost cubic desired echo effect electricity electron element example excess existing experiment experimental expressed fact feet floor formation formula give given heat held hydrogen hydrogen ion importance increase industry intensity interest later less light lines London Manufacture March Marks material means measured metals methods million molecules necessary obtained Office optical ordinary organic organisation oxygen Patents plants Plaster possible present produced quantity references reflected reflected sound result reverberation Royal Sabine Science scientific seats Society solid solution sound space speaking specific spectrum square substances TABLE term theory tion total absorption Trade units University usual volume walls Watson weight window