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中国地质大学科学技术发展院平宏伟*，李纯泉，陈红汉，等. 资源学院/构造与油气资源教育部重点实验室. Geology, August 2020. Overpressure release: Fluid inclusion evidence for a new mechanism for the formation of heavy oil
超压；演化过程；油组分；成熟度；古超压释放；稠油
2021/10/15
近日，国际地学领域顶级期刊《Geology》刊发了中国地质大学资源学院陈红汉教授团队的研究成果——“Overpressure release: Fluid inclusion evidence for a new mechanism for the formation of heavy oil ”，该成果探讨了超压演化过程油组分和成熟度变化，证实古超压释放导致的极性组分析出是稠油形成的一种新机制，...
Small Arctic coastal waterbodies, with big carbon release（图）
Small Arctic coastal waterbodies carbon release
2020/6/5
Arctic coastal watersheds are some of the most threatened regions on Earth, having undergone substantial climatic, physical and biological changes with the warming of the Earth, scientists have found....
Large Submarine Landslides on Continental Slopes: Geohazards, Methane Release, and Climate Change
Geohazards Methane Release Climate Change
2015/7/17
Submarine landslides on open continental slopes can be prodigious in scale. They are an important process for global sediment fluxes, and can generate very damaging tsunamis. Submarine landslides are ...
Boron Release from Weathering of Illites, Serpentine, Shales,and Illitic/Palygorskitic Soils
Illitic/Palygorskitic Soils Boron Release
2011/11/11
Boron Release from Weathering of Illites, Serpentine, Shales,and Illitic/Palygorskitic Soils.
Composite Hydrogel Beads Based on Chitosan and Laponite: Preparation, Swelling, and Drug Release Behaviour
chitosan Laponite composite drug release Ofloxacin
2011/12/14
Biopolymer/layered silicate composites have shown unique advantages and potentials for the passive targeting of drugs because they can overcome the burst drawbacks of organic carrier, increase the dru...
Utilization of Plant Ash for the Fabrication of Novel Superabsorbent Composites with Potassium-Release Characteristics
superabsorbent composite plant ash potassium fertilizer release swelling water retention
2011/12/13
ABSTRACT: Design and synthesis of the agricultural and ecological superabsorbent materials with cost-efficient and fertilizer-release characteristics has recently attracted considerable interests. In ...
Preparation and characterization of a novel pH-sensitive chitosan-g-poly (acrylic acid)/attapulgite/sodium alginate composite hydrogel bead for controlled release of diclofenac sodium
Composite hydrogel bead pH-sensitive Controlled release Diclofenac sodium
2011/10/10
A series of pH-sensitive composite hydrogel beads composed of chitosan-g-poly (acrylic acid)/attapulgite/sodium alginate (CTS-g-PAA/APT/SA) was prepared as drug delivery matrices crosslinked by Ca2+ow...
Preparation and characterization of a novel pH-sensitive chitosan-g-poly (acrylic acid)/attapulgite/sodium alginate composite hydrogel bead for controlled release of diclofenac sodium
Composite hydrogel bead pH-sensitive Controlled release Diclofenac sodium
2011/12/14
A series of pH-sensitive composite hydrogel beads composed of chitosan-g-poly (acrylic acid)/attapulgite/sodium alginate (CTS-g-PAA/APT/SA) was prepared as drug delivery matrices crosslinked by Ca2+ o...
Synthesis, Swelling Behaviors, and Slow-Release Characteristics of a Guar Gum-g-Poly(sodium acrylate)/Sodium Humate Superabsorbent
graft copolymers high performance polymers hydrophilic polymers swelling synthesis
2011/12/14
Superabsorbents used in agricultural and ecological projects with low-cost, slow-release fertilizers and environmentally friendly characteristics have been
extensively studied. The use of a natural p...
The Release of Aluminum from Aluminosilicate Minerals. II. Acid-Base Potentiometric Titrations
Aluminum Biotite Buffer Illite Kaolinite Mica Montmorillonite
2012/2/9
Acidified suspensions of Al-saturated kaolinite, montmorillonite, mica, illite, and biotite in 10−3 M NaNO3 were potentiometrically titrated with 0.1 N NaOH and 0.1 N HNO3 in succession in a CO2...
The Release of Aluminum from Aluminosilicate Minerals. I. Kinetics
Aluminum Biotite Illite Kaolinite Montmorillonite
2012/2/10
The rates of release of Al by M NH4NO3 (pH 3) from minerals saturated with Al ions at pH 3 suggest that Al ions migrated from the surface layers and the matrix cores of kaolinite, montmorillonite, ill...
Differential Release of Potassium from Interstratified Mica Clay Minerals as Related to Probable Differences in Their Mica Layer Components
Differential Release Potassium Interstratified Mica Clay Minerals Mica Layer Components
2012/2/20
Release of potassium by extraction with solutions containing sodium tetraphenyl boron or by leaching with 0·1 N barium chloride seemed to be related to the nature of the mica layers in the interstrati...
Potassium Release from Muscovite as Influenced by Particle Size
Muscovite Particle Size Potassium Release
2011/11/17
Abstract: Completeness of exchange of K from muscovite by Ba2+ ions decreased with particle size below 20 ? Accompanying K exchange at 120癈, using a repeated batch technique, was a marked loss of Si a...