54

Effect of Potassium and C/N Ratios on Conversion of NH+4 in Soils

Year:
2008
Language:
english
File:
PDF, 507 KB
english, 2008
84

Studies on the Processing Conditions for Preparation of Polyol Using Beet Pulp

Year:
2012
Language:
english
File:
PDF, 292 KB
english, 2012
89

Development and Key Technologies of High-Speed Grinding

Year:
2012
Language:
english
File:
PDF, 279 KB
english, 2012