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Matches 401 - 450 out of 500

Document Document Title
JPS5946554B2  
JPS59179588A
PURPOSE: To obtain easily a naphthenic lubricating oil having a high viscosity and low acid value, by neutralizing a naphthenic crude oil, etc. fully with an excess aqueous solution of caustic alkali, and distilling the resultant treated...  
JPS5940178B2  
JPS59159886A  
JPS59109596A  
JPS5920179A  
JPS58159429A
PURPOSE: To promote the decomposition of a thiophene, by decomposing the thiophene with metallic sodium in the presence of a hydrogen donor. CONSTITUTION: The decomposition of a thiophene, benzo[b]thiophene and dibenzothiophene present i...  
JPS5829945B2  
JPS5829990B2  
JPS5869288A  
JPS5815166B2  
JPS5814250B2  
JPS581789A  
JPS57195186A
PURPOSE: A C5 fraction containing carbon disulfide is brought into contact with alkali sulfide in a polar solvent which is compatible to them to remove carbon disulfide, whereby the components inhibiting the polymerization of isoprene in...  
JPS576203B2  
JPS56118489A
PURPOSE: To remove corrosive components easily at a high removal ratio, by washing the gas light oil containing the corrosive components against steel material such as H2S or the like by an aqueous alkali solution. CONSTITUTION: A benzen...  
JPS5695322A  
JPS5693208A  
JPS5688633U  
JPS5686125A  
JPS5679196A  
JPS5665616A
PURPOSE: To economically provide required chemicals by using a 2-phenoxy anthraquinone polysulfonic acid or its salts as the major component of oxidation-reduction chemical for wet desulfurization process. CONSTITUTION: Oxidaton-reductio...  
JPS5621782B2  
JPS5618612B2  
JPS569197B2  
JPS5618678A
PURPOSE: To produce easily SnO2:Eu phosphor which emits more brighter light, by a method wherein a specified flux is added to a mixt. of SnO2 and Eu2O3 and the resulting mixt. is heat-treated. CONSTITUTION: 0.5W7wt% of CsCl as a flux is ...  
JPS55129490A  
JPS55129488A
PURPOSE: To regenerate a high-boiling waste oil, easily, by adding an alkaline aqueous solution and a lower alcohol to a high-boiling oil containing contaminants and surface active agents as impurities, and leaving the mixture at rest, t...  
JPS5515514B2  
JPS5519277A  
JPS5518493A  
JPS5440082B2  
JPS5439402B1  
JPS5436161B2  
JPS54142206A  
JPS54141806A  
JPS54131606A  
JPS5422448B2  
JPS5439452A  
JPS544903A
PURPOSE: The acidic condensed water obtained on the thermal decomposition of municipal waste is neutralized to precipitate cellulosic oil (water-soluble portion of the oil formed on the thermal decomposition of municipal waste), which is...  
JPS54799A  
JPS5348203B2  
JPS5348205B2  
JPS5347241B2  
JPS53143999A  
JPS53138406A  
JPS5343919B2  
JPS5336484B2  
JPS5336483B1  
JPS5335962B1  

Matches 401 - 450 out of 500