搜索结果: 1-15 共查到“理学 calcification”相关记录18条 . 查询时间(0.059 秒)
Microarray Analysis of Genes Involved with Shell Strength in Layer Shell Gland at the Early Stage of Active Calcification
Chicken Microarray Differentially Expressed Genes Eggshell Strength
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2016/5/11
The objective of this study was to get a comprehensive understanding of how genes in chicken shell gland modulate eggshell strength at the early stage of active calcification. Four 32-week old of pure...
In situ diel cycles of photosynthesis and calcification in hermatypic corals
In situ diel cycles photosynthesis calcification hermatypic corals
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2014/4/17
Diel cycles of photosynthesis, respiration, and calcification were studied in situ on two hermatypic corals,Acropora eurystomaandFavia favus, using a submerged respirometer deployed at 5-m depth in th...
Resilience of pore-water chemistry and calcification in photosyntheticzones of calcifying sediments
Resilience of pore-water chemistry calcification in photosyntheticzones calcifying sediments
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2014/4/16
Photosynthetically driven calcification was investigated in diatom-dominated carbonate sediments from Bait Reef, Australia. Laboratory measurements conducted over complete diel cycles, using O2, pH, C...
Effect of carbonate ion concentration and irradiance on calcification in planktonic foraminifera
carbonate ion concentration and irradiance calcification planktonic foraminifera
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2010/1/21
The effect of carbonate ion concentration ([CO32−]) on calcification rates estimated from shell size and weight was investigated in the planktonic foraminifera Orbulina universa and Globigerinoi...
Impact of seawater pCO2 on calcification and Mg/Ca and Sr/Ca ratios in benthic foraminifera calcite: results from culturing experiments with Ammonia tepida
seawater pCO2 calcification and Mg/Ca and Sr/Ca ratios benthic foraminifera calcite culturing experiments Ammonia tepida
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2010/1/21
Evidence of increasing concentrations of dissolved carbon dioxide, especially in the surface ocean and its associated impacts on calcifying organisms, is accumulating. Among these organisms, benthic a...
Physiological controls on seawater uptake and calcification in the benthic foraminifer Ammonia tepida
Physiological controls seawater uptake calcification benthic foraminifer Ammonia tepida
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2010/1/21
To analyze the relation between seawater uptake and calcification, we incubated juveniles of the benthic foraminifer Ammonia tepida with various fluorescent probes and visualised them afterwards with ...
From laboratory manipulations to Earth system models:scaling calcification impacts of ocean acidification
laboratory manipulations Earth system models calcification impacts ocean acidification
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2010/1/21
The observed variation in the calcification responses of coccolithophores to changes in carbonate chemistry paints a highly incoherent picture, particularly for the most commonly cultured "species", E...
Calcification of the cold-water coral Lophelia pertusa,under ambient and reduced pH
Calcification cold-water coral Lophelia pertusa ambient and reduced pH
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2010/1/20
The cold-water coral Lophelia pertusa is one of the few species able to build reef-like structures and a 3-dimensional coral framework in the deep oceans. Furthermore, deep cold-water coral bioherms m...
Inferred level of calcification decreases along an increasing temperature gradient in a Mediterranean endemic coral
Inferred level calcification decreases along increasing temperature gradient Mediterranean endemic coral
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2014/4/18
The correlation between solar radiation and sea surface temperature (SST) and growth was assessed along a latitudinal gradient. Extension rate and skeletal density were both correlated with calcificat...
Inferred level of calcification decreases along an increasing temperature gradient in a Mediterranean endemic coral
Inferred level of calcification decreases a Mediterranean endemic coral
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2014/4/18
The correlation between solar radiation and sea surface temperature (SST) and growth was assessed along a
latitudinal gradient. Extension rate and skeletal density were both correlated with calcifica...
Influence of cell cycle phase on calcification in the coccolithophoreEmiliania huxleyi
cell cycle phase calcification coccolithophore Emiliania huxleyi
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2014/4/21
Calcification of the cosmopolitan coccolithophore speciesEmiliania huxleyiwas investigated in relation to the cell division cycle with the use of batch cultures. With a 12 : 12 h light : dark cycle, t...
Assessing the potential long-term increase of oceanic fossil fuel CO2 uptake due to CO2-calcification feedback
potential long-term increase oceanic fossil fuel CO2-calcification feedback
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2010/1/14
Plankton manipulation experiments exhibit a wide range of sensitivities of biogenic calcification to simulated anthropogenic acidification of the ocean, with the "lab rat" of planktic calcifiers, Emil...
Effect of varying calcium concentrations and light intensities on calcification and photosynthesis in Emiliania huxleyi
varying calcium concentrations light intensities
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2014/4/22
Various protective and metabolic functions for coccolithophore calcification have been proposed such as
providing a means to supply CO2
for photosynthesis. It has also been speculated that calcifica...
CO32− concentration and pCO2 thresholds for calcification and dissolution on the Molokai reef flat,Hawaii
CO32− concentration pCO2 thresholds calcification dissolution
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2010/1/13
The severity of the impact of elevated atmospheric pCO2 to coral reef ecosystems depends, in part, on how seawater pCO2 affects the balance between calcification and dissolution of carbonate sediments...
Respiration, calcification, and excretion of the invasive slipper limpet, Crepidula fornicata L.: Implications for carbon, carbonate, and nitrogen fluxes in affected areas
Respiration calcification excretion invasive slipper limpet Crepidula fornicata L. Implications for carbon carbonate nitrogen fluxes
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2014/5/5
We measured in situ respiration, calcification, and excretion of the slipper limpet, Crepidula fornicata L., and considered both seasonal variations and individual size, to estimate the effects of thi...