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Fully Bio-Based Polyhydroxyurethanes with a Dynamic Network from a Terpene Derivative and Cyclic Carbonate Functional Soybean Oil
fully bio-based non-isocyanate?polyurethanes dynamic covalent bond exchange self-healing recyclability shape memory
2023/12/18
Polyhydroxyurethanes (PHUs), polyurethanes with excellent properties, are cured without poisonous isocyanate. The carbamate groups in the structure can undergo bond exchange in the presence of amino g...
ESTIMATION OF CARBON SINK IN SURFACE CARBONATE ROCKS OF GUANGXI PROVINCE BY USING REMOTE SENSING IMAGES
Dissolution test method Carbonate rocks Miss carbon sink ArcGIS
2018/5/14
Studies of the imbalance of source sinks in the carbon cycle show that CO2 absorbed during rock weathering is part of the "miss carbon" of the global carbon cycle. The carbon sink contribution of carb...
Oil charging history and pathways of the Ordovician carbonate reservoir in the Tuoputai region, Tarim Basin, NW China
Oil population Oil charging events Fluid inclusion 1D numerical modeling Oil filling pathway
2018/4/2
Geochemical analysis of 64 oils sampled from an Ordovician carbonate reservoir in the Tuoputai region was undertaken to study the composition of molecular markers. All the oils have similar geochemica...
Review of surfactant-assisted chemical enhanced oil recovery for carbonate reservoirs: challenges and future perspectives
Oil reserves Original oil in place Carbonate formations Surfactants Chemical enhanced oil recovery
2018/4/2
A significant fraction of the conventional oil reserves globally is in carbonate formations which contain a substantial amount of residual oil. Since primary and secondary recovery methods fail to yie...
Scientists discover carbonate rocks are unrecognized methane sink（图）
carbonate rocks methane sink
2014/12/1
CORVALLIS, Ore. – Since the first undersea methane seep was discovered 30 years ago, scientists have meticulously analyzed and measured how microbes in the seafloor sediments consume the greenhouse ga...
Chemical Composition of Water-soluble Ions and Carbonate Estimation in Spring Aerosol at a Semi-arid Site of Tongyu, China
Tongyu PM2.5 Water-soluble ions Carbonate
2016/3/28
Fine aerosol samples (PM2.5) were collected daily at Tongyu, a semi-arid site in northeast China from April to June 2006,
when Asian dust events occurred frequently. The concentrations of nine water-...
Rare earth elements, Sr, Ba, Fe, and major cation concentrations in some living foraminiferal tests collected from Iriomote Island, Japan: An exploration for trace element behavior during biogenic calcium carbonate formation
foraminifera rare earth elements calcium carbonate partitioning biomineralization
2017/8/9
Rare earth elements (REE), Sr, Ba, Fe, Mg, Ca, Na, and K concentrations in three kinds of living foraminiferal tests collected from Iriomote Island, Japan were measured in order to obtain some qualita...
Mn/Cr relative sensitivity factors for synthetic calcium carbonate measured with a NanoSIMS ion microprobe
secondary ion mass spectrometry Mn-Cr chronology relative sensitivity carbonate isotope
2017/8/9
Mn/Cr relative sensitivities for a synthetic calcite and a terrestrial olivine (San Carlos olivine) were measured using spot and rasterized modes with a NanoSIMS ion probe. Counting rates of 43Ca+, 52...
FACTORS INFLUENCING GROWTH OF MATURE SYCAMORE TREES (Acer pseudoplatanus L.) ON CARBONATE BEDROCK
Acer pseudoplatanus site productivity height increment basal area increment
2009/11/26
This paper presents the growth potential of sycamore (Acer pseudoplatanus L.) on four types of forest sites located on carbonate bedrock. The research covers sycamore sites (Aceri-Fraxinetum ill.), be...
Foaming Behavior in Molten Slag Caused by Decomposition of Carbonate Minerals
carbonate thermal decomposition Na2B4O7-CaO-MgO
2009/11/16
The average foam life is proposed as an index to the foaming behavior in molten slag. The molten slag system of Na2B4O7-CaO-MgO is foamed by the gas from the thermal decomposition of carbonate mineral...
Seeded Induction Period and Secondary Nucleation of Lithium Carbonate
lithium carbonate reactive crystallization secondary nucleation
2009/11/13
Seeded nucleation of lithium carbonate in aqueous solution during reactive crystallization was monitored by FBRM (focused beam reflectance measurement) and PVM (particle video microscope). The impacts...
Unseeded Induction Period and Primary Nucleation of Lithium Carbonate
lithium carbonate primary nucleation reactive crystallization
2009/11/13
A set of laser apparatus was used to study induction period and primary nucleation of lithium carbonate in reactive crystallization. The results show that induction period increases with the decrease ...
Chemical Fixation of Carbon Dioxide: Synthesis of Cyclic Carbonate, Dimethyl Carbonate, Cyclic Urea and Cyclic Urethane
Carbon dioxide Chemical fixation Heterocyclic compound Cycloaddition
2009/7/27
Chemical fixation of carbon dioxide (CO2) may be very important in the future as a solution for the problem of increased atmospheric CO2 levels. Recent developments for chemical fixation of CO2 to cy...
A reservoir modeling of the early Cretaceous carbonate rock based upon sequence stratigraphy
Kharaib Formation Reservoir model Cretaceous Sequence stratigraphy
2009/4/24
A carbonate reservoir of a giant oil field, the Early Cretaceous Kharaib Formation in the Middle East, has complex limestone lithofacies, and unexpected breakthrough of injection water has been obser...
Evaluation of waterflooding performance utilizing core analysis data for carbonate reservoir, offshore Abu Dhabi
pore system pore size distribution wettability carbonate
2009/4/20
The field of interest is a heterogeneous carbonate reservoir, offshore Abu Dhabi. A pore system in the field is classified into three categories based on the pore throat size, i.e. macropore, mesopo...