The effect of φ-potentials and dispersities on the total interaction potential energy between natural hydrophobic minerals-molybdenite, graphite, talc and hydrocarbon oil is investigated based on the colloid and surf...The effect of φ-potentials and dispersities on the total interaction potential energy between natural hydrophobic minerals-molybdenite, graphite, talc and hydrocarbon oil is investigated based on the colloid and surface science.展开更多
A new category of steel with excellent combi- nation of strength,toughness,strain-hardening ability and excellent resistance to high-stress,espec- ially to severe impact-loaded abrasion has been de- veloped with a new...A new category of steel with excellent combi- nation of strength,toughness,strain-hardening ability and excellent resistance to high-stress,espec- ially to severe impact-loaded abrasion has been de- veloped with a new idea of abrasion-resistant ma- terial design.The steels have the microstructures of austenite film and bainitic ferrite laths in arrange- ment of extremely fine lath spacing and are chemically high-carbon low alloy ones.The effects of austempering temperatures on microstructures, mechanical properties,wear-resistance and behaviour of the austenite-bainite steels in impact-abrasion system have been emphatically studied.展开更多
In this note, the detailed organic petrological investigation has been made with a combined method of 'whole rock' and 'kerogen' for more than 300 samples including a series of oil source rocks, humic ...In this note, the detailed organic petrological investigation has been made with a combined method of 'whole rock' and 'kerogen' for more than 300 samples including a series of oil source rocks, humic and sapropelic coals and oil shales sampled from six展开更多
文摘The effect of φ-potentials and dispersities on the total interaction potential energy between natural hydrophobic minerals-molybdenite, graphite, talc and hydrocarbon oil is investigated based on the colloid and surface science.
文摘A new category of steel with excellent combi- nation of strength,toughness,strain-hardening ability and excellent resistance to high-stress,espec- ially to severe impact-loaded abrasion has been de- veloped with a new idea of abrasion-resistant ma- terial design.The steels have the microstructures of austenite film and bainitic ferrite laths in arrange- ment of extremely fine lath spacing and are chemically high-carbon low alloy ones.The effects of austempering temperatures on microstructures, mechanical properties,wear-resistance and behaviour of the austenite-bainite steels in impact-abrasion system have been emphatically studied.
文摘In this note, the detailed organic petrological investigation has been made with a combined method of 'whole rock' and 'kerogen' for more than 300 samples including a series of oil source rocks, humic and sapropelic coals and oil shales sampled from six