The Encyclopedia Americana: A Library of Universal Knowledge ...Encyclopedia Americana Corporation, 1924 |
Iz vsebine knjige
Zadetki 1–5 od 100
Stran 9
... method by melting is almost exclusively used in extracting sulphur from the inert mate- rial with which it is associated in nature , the volatilization and solution methods being re- served for the subsequent purification of the product ...
... method by melting is almost exclusively used in extracting sulphur from the inert mate- rial with which it is associated in nature , the volatilization and solution methods being re- served for the subsequent purification of the product ...
Stran 9
... method . Since that time many attempts have been made to make the contact process practicable for the manufacture of sulphuric acid , and many other catalytic agents have been tried besides platinum . It was not until about 1898 ...
... method . Since that time many attempts have been made to make the contact process practicable for the manufacture of sulphuric acid , and many other catalytic agents have been tried besides platinum . It was not until about 1898 ...
Stran 13
... methods and new edu- cational movements continually call for special short courses . For example , the Montessori method , or the Direct Method in Latin , may be studied to advantage in this way . Teachers may add to their regular ...
... methods and new edu- cational movements continually call for special short courses . For example , the Montessori method , or the Direct Method in Latin , may be studied to advantage in this way . Teachers may add to their regular ...
Stran 21
... method agree with those made on the solar spots in giving a period of about 25 or 26 days ; but they are dis- cordant as to the variation with latitude . The angular motions in the different latitudes , found by two observers with the ...
... method agree with those made on the solar spots in giving a period of about 25 or 26 days ; but they are dis- cordant as to the variation with latitude . The angular motions in the different latitudes , found by two observers with the ...
Stran 34
... method was at first in general use . Early Christian Doctrine Schools . - The apostles , or certain persons appointed for the work , gave religious instruction to the cate- chumens . The religious school , among Chris- tians , seems to ...
... method was at first in general use . Early Christian Doctrine Schools . - The apostles , or certain persons appointed for the work , gave religious instruction to the cate- chumens . The religious school , among Chris- tians , seems to ...
Druge izdaje - Prikaži vse
The Encyclopedia Americana: A Library of Universal Knowledge, Količina 26 Prikaz kratkega opisa - 1936 |
Pogosti izrazi in povedi
18th century acid aerial American ancient army battery became cable called centre century chief Church circuit coast coil College connected Constitution Consult course court curve developed direction early electric electromotive force employed England English especially feet French geodesic History important institutions island known Lake land later length London ment metal method Morse mountain operation oscillations Paris passed phantom circuit photosphere placed plane position produced receiving relay River Roman Saint schools signals square miles station sulphur sulphur dioxide sulphuric acid surface surgery survey Sweden Swiss Switzerland symbol syphilis Syria tained tannic acid tannin Taoism tapestries tapeworm Tawi Tawi taxation taxidermy teachers telegraph teleology telephone telescope tion town transmitted tube United University vacuum tube vertical waves wire wireless York