The purpose of this study was to identify factors that effecting on wood and papers student’s entrepreneurial spirit. Statistical population of this research consisted of whole wood and paper students in college of agricultural and natural of Tehran University (N= 263). A stratified random sampling method was used to select 100 students applying Morgan’s table. The main tool to collect data was...

The purpose of this study was to identify factors that effecting on wood and papers student’s entrepreneurial spirit. Statistical population of this research consisted of whole wood and paper students in college of agricultural and natural of Tehran University (N= 263). A stratified random sampling method was used to select 100 students applying Morgan’s table. The main tool to collect data was...

Wood vinegar is a substance, derived from cooling black carbon fire, which could be used instead of chemical materials in the agriculture industry as an organic compound. In order to study the effectiveness of pine wood vinegar on physiological and photosynthesis traits of cucumber, two experiments were conducted based on a completely randomized design with six treatments including 0, 1250, 200...

Free and esterified sitosterol, the main lipophilic constituents of eucalypt wood extractives, have been associated with the formation of pitch deposits during manufacturing of environmentally-sound paper pulp from Eucalyptus globulus wood. These, and other lipophilic compounds, were analyzed by gas chromatography-mass spectrometry in the course of wood treatments (up to 7 weeks) with four extr...