搜索结果: 1-15 共查到“知识库 地质学 growth”相关记录24条 . 查询时间(0.103 秒)
Growth rates of lava domes with respect to viscosity of magmas
lava domes squeeze of magma growth rates of domes Hagen-Poiseuille Law macroscopic viscosity
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2015/9/10
In the discussion of lava dome formation, viscosity of magma plays an important role. Measurements of viscosity
of magmas in field and laboratory are briefly summarized. The types of lava dome emplac...
Oxygen isotopes as a valuable tool for measuring annual growth in tropical trees that lack distinct annual rings
tropical tree with non-distinct annual rings cellulose oxygen isotopes fractionation model Styrax tonkinensis Ficus semicordata var. semicordata
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2017/4/11
Some trees from tropical areas lack visually detectable and consistent annual growth rings. As such, we have measured
the radial variation of cellulose oxygen isotopes in trees that grow in seasonall...
Growth rate of continental crust in the northeast margin of the North China Craton: Constraints from the U–Pb dating and Lu–Hf isotopes of detrital zircons from the Laoha River
North China Craton detrital zircon U–Pb age Hf isotope Laoha River
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2017/4/11
Recently, how to quantitatively estimate the growth rate of continental crust is an enigmatic issue. With the development
of ICP-MS technology, the U–Pb dating and Lu–Hf isotopic compositions of detr...
Coral growth-rate insensitive Sr/Ca as a robust temperature recorder at the extreme latitudinal limits of Porites
skeletal oxygen isotope in the coral Sr/Ca high latitudes coral growth rates
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2017/4/11
Oxygen isotope values of low-growth coral (<5 mm/yr) skeletons may reflect kinetic effects, which is problematic for
sea surface temperature (SST) reconstruction. Here, we report a Sr/Ca-based SST re...
Response to Climate Change about Radial Growth of Larix gmelinii Main Forest Types in Daxing’anling Mountains
Larix gmelinii Chronology Climate Change Response
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2011/12/16
Tree-ring width chronologies were developed for Larix gmelini of main forest types in Daxinganling mountains, and by correlation analysis and response function analysis illustrate difference empact of...
Brief communication "Determination of urban growth in catchment areas in Cyprus using multi-temporal remotely sensed data: risk assessment study"
Determination of urban growth catchment areas Cyprus using multi-temporal remotely sensed data
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2011/1/19
The aim of this study is to quantify the actual urbanization activity near the catchment area in the urban area of interest located in the vicinity of the Agriokalamin River area of Kissonerga Village...
Effect of Large Dose of Attapulgite on Animal Growth and Blood Microenvironment
Acute Toxicity Attapulgite Powders Blood Index Chronic Toxicity Coefficient of Organ Weight Increase
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2011/11/17
Effect of acute toxicity and chronic toxicity on attapulgite for animal was studied by Kunming mice and SD rats experiment through administering intragastrically with large dose of attapulgite suspens...
Impact vesiculation–a new trigger for volcanic bubble growth and degassing
Impact vesiculation volcanic bubble growth and degassing
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2009/10/22
We highlight a potentially important trigger for bubble growth and degassing in volcanic bombs. We have successfully triggered bubble growth in previously unvesiculated samples of silicate melt during...
Growth forms and distribution patterns of stromatoporoids exposed on Devonian palaeobottom surfaces;Holy Cross Mountains,central Poland
Stromatoporoids Morphometry Parameterization Palaeobottom surfaces
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2009/10/20
Well preserved palaeobottomsurfaceswith stromatoporoids are exposed in twoDevonian localities in theHoly Cross Mountains in central Poland: Skały and Bolechowice-Panek quarries. The stromatoporoi...
Stromatoporoid growth orientation as a tool in palaeotopography:a case study from the Kadzielnia Quarry,Holy Cross Mountains,central Poland
Stromatoporoidea Growth direction Orientation Palaeotopography Devonian
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2009/10/20
Growth orientation of stromatoporoids has allowed reconstruction of the palaeotopographic position of a large Frasnian organic buildup exposed in the Kadzielnia Quarry in the Holy Cross Mountains, cen...
Mineralogy of Southern Africa medicinal and cosmetic clays and their effects on the growth of selected test microorganisms
Mineralogy Southern Africa medicinal cosmetic clays their effects growth selected test microorganisms
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2012/3/14
Mineralogy of Southern Africa medicinal and cosmetic clays and their effects on the growth of selected test microorganisms.
Formation and Growth of Smectites in Bentonites: A Case Study from Kimolos Island, Aegean, Greece
Bentonite Crystal Growth Montmorillonite Mordenite Open System Particle-Size Distribution Precursor Random Ripening
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2011/12/5
Abstract: The low-temperature alteration of a rhyolitic rock from Kimolos Island, Aegean, Greece, yielded an alteration profile characterized by gradual transition from fresh glass to bentonite contai...
Mica Structure and Fibrous Growth of Illite
Illite Fibers Illite Laths Mica Structure
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2011/12/5
Abstract: The relative growth rates of the three joint chains of silica tetrahedra and metal octahedra in the [100], [110] and [110] directions within the mica layer (referring to the 1M unit-cell) se...
Rate of growth of isolated bubbles in sediments with a diagenetic source of methane
Rate of growth of isolated bubbles in sediments with a diagenetic source of methane
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2014/6/9
Observation of bubbles in estuarine and coastal sediments indicates that bubbles at or below 10 cm depth grow on seasonal time scales (May-October). In order to determine the controls on this growth r...
HRTEM and SAED investigations of polytypism, stacking disorder, crystal growth, and vacancies in chlorites from subgreenschist facies outcrops
Selected-area electron diffraction high-resolutio transmission electron microscopy
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2012/3/30
Selected-areaelectrondiffraction(SAED)combinedwithexperimentalandcomputed
high-resolutiontransmissionelectronmicroscopy(HRTEM)imageswereusedtoinvesti-
gatepolytypism,stackingdisorder,mixedlayering,a...