Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3753Chemical news office., 1932 |
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Strona 179
... materials upon which it acts , the life of the nickel catalyst is almost indefinite , for all operations carried out at temperatures in the region of 180 ° C. Certain classes of organic compounds may be caused to combine 179 The ...
... materials upon which it acts , the life of the nickel catalyst is almost indefinite , for all operations carried out at temperatures in the region of 180 ° C. Certain classes of organic compounds may be caused to combine 179 The ...
Strona 185
... material exasperated the var- nish cooker of the past , he must have felt himself baffled by some fundamental in- tricacy in his raw materials . The scientific varnish chemist of to - day knows something about this intricacy , probably ...
... material exasperated the var- nish cooker of the past , he must have felt himself baffled by some fundamental in- tricacy in his raw materials . The scientific varnish chemist of to - day knows something about this intricacy , probably ...
Strona 190
... materials that contain castor even in small amount . Poultry Manure . - Increased attention is now being given to poultry - keeping ; and the conservation of the manure derived , when produced on a sufficiently large scale , is also ...
... materials that contain castor even in small amount . Poultry Manure . - Increased attention is now being given to poultry - keeping ; and the conservation of the manure derived , when produced on a sufficiently large scale , is also ...
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