To accurately predict the gravity separation distribution rate and thus the product yield during the design and management of coal preparation plants, a modified hyperbolic tangent model was proposed to derive direct calculation formulas for heavy-medium and water-medium separation distribution...

Based on the introduction of the profile of Pearl River Delta area, the strengths, weaknesses, opportunities and threats of developing urban agriculture in Pearl River Delta area are analyzed by using the SWOT analysis. The strengths are analyzed from three aspects, covering the natural...

Oxidative desulfurization of hydrogenation diesel (40 mL) was studied using air as oxidant, tert-butyl hydroperoxide (TBHP) as radical initiator at ambient pressure and moderate temperature in the presence of isobutyl aldehyde. TBHP could accelerate the production of carbonyl radical and its...