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Hydrogen and oxygen isotopic characteristics of precipitation in coastal areas of Japan determined by observations for 23 years at Akita and for 1–2 years at other several localities
Japanese meteoric water precipitation hydrogen isotopic ratio oxygen isotopic ratio d-valu
2017/4/11
The hydrogen and oxygen isotopic characteristics of precipitation in coastal areas of Japan were explained on the basis
of a long period (23 years) observation of hydrogen and oxygen isotopic ratios ...
Characteristics of hydrogen and oxygen stable isotope ratios in precipitation collected in a snowfall region, Aomori Prefecture, Japan
hydrogen isotope ratio oxygen isotope ratio d-excess seasonal variation Aomori Prefecture
2017/4/10
Characteristics of δ2
H and δ18O in precipitation samples collected at 16- to 17-d intervals at three stations at the
northern end of Honshu Island, Japan, were investigated. Rokkasho and Ajigasawa ...
Solid phase phosphorus species and preservation of fish remains in marine sediments of areas of high primary productivity and oxygen seasonality (36°S, central South Chile)
fish debris biogenic apatite seasonal coastal upwelling hypoxia central-south Chile
2017/4/10
The main input of phosphorus to the ocean is associated with river runoff, while this element leaves the marine system
via burial in the sediments. Solid phase P accumulation is a function of bottom ...
Gill surface area and metabolic enzyme activities of demersal fishes associated with the oxygen minimum zone off California
Gill surface area metabolic enzyme activities demersal fishes associated oxygen minimum zone California
2014/4/2
Metabolic enzyme activities and gill surface areas were measured across 10 species of demersal fishes from Monterey Canyon, California, which features a prominent oxygen minimum zone (OMZ). Comparison...
Oxygen in the deep Strait of Georgia, 1951–2009: The roles of mixing, deep-water renewal, and remineralization of organic carbon
deep Strait of Georgia The roles of mixing
2014/4/2
The concentration of oxygen in the deep Strait of Georgia has declined at a rate of 0.45–1.3 mmol L21
yr21
since 1971 and now seasonally approaches thresholds of biological tolerance. The decline ha...
The period of extended low oxygen, which spanned from roughly 2 to less than 1 billion years ago, was a time of remarkable chemical stability in the Earth's oceans and atmosphere. A University of Cali...
First-principles study on the magnetic properties in Mg dooped BiFeO3 with and without oxygen vacancies
Vacancies Magnesium Magnetic moments Antiferromagnetism Band gap
2016/12/2
The magnetic properties of Mg-doped BiFeO3 (BFO) with and without oxygen vacancies are studied through first-principles calculations. The Mg-doping prefers to occupy the ferromagnetic planes and produ...
Bone Metabolism: The Role of STAT3 and Reactive Oxygen Species
STAT3 Bone Metabolism Reactive Oxygen Species Mitochondria
2015/5/22
Signal Transducers and Activators of Transcription 3 (STAT3), a transcription factor expressed in many cell types, including osteoblasts and osteoclasts, is emerging as a key regulator of bone mass an...
Sulfur, oxygen, and hydrogen isotope compositions of precipitation in Seoul, South Korea
sulfur isotope oxygen hydrogen pollution precipitation sulfate Korea East Asia
2017/4/11
To evaluate the source of sulfur and the extent of seasonal and local characteristics in Seoul’s precipitation chemistry,
we measured sulfur, oxygen, and hydrogen isotopic ratios of precipitation. Th...
Carbon- and oxygen-isotope compositions of a modern deep-water brachiopod Campagea japonica collected off Aguni-jima, Central Ryukyu Islands, southwestern Japan
rachiopoda carbon-isotope composition oxygen-isotope composition Campagea japonica paleoenvironmen
2017/4/11
We present carbon- and oxygen-isotope compositions in a shell (δ13CS and δ18OS, respectively) of a modern brachiopod
Campagea japonica collected at a water depth of 606 m off Aguni-jima, Central Ryuk...
Gill surface area and metabolic enzyme activities of demersal fishes associated with the oxygen minimum zone off California
Gill surface area metabolic enzyme activities demersal fishes associated oxygen minimum zone California
2014/4/4
Metabolic enzyme activities and gill surface areas were measured across 10 species of demersal fishes from Monterey Canyon, California, which features a prominent oxygen minimum zone (OMZ). Comparison...
Anammox and denitrification in the oxygen minimum zone of the eastern South Pacific
Anammox and denitrification oxygen minimum zone eastern South Pacific
2014/4/4
We quantified the removal of fixed nitrogen as N2 production by anammox and N2 and N2O production by denitrification over a distance of 1900 km along the coasts of Chile and Peru, using short-term inc...
Oxygen isotopic composition of nitrate and nitrite produced by nitrifying cocultures and natural marine assemblages
Oxygen isotopic composition of nitrate nitrite produced nitrifying cocultures natural marine assemblages
2014/4/4
The δ18O value of nitrate produced during nitrification (δ18ONO3,nit) was measured in experiments designed to mimic oceanic conditions, involving cocultures of ammonia-oxidizing bacteria or ammonia-ox...
Anammox and denitrification in the oxygen minimum zone of the eastern South Pacific
Anammox denitrification the oxygen minimum zone the eastern South Pacific
2014/4/3
We quantified the removal of fixed nitrogen as N2production by anammox and N2and N2O production by denitrification over a distance of 1900 km along the coasts of Chile and Peru, using short-term incub...
Oxygen isotopic composition of nitrate and nitrite produced by nitrifying cocultures and natural marine assemblages
Oxygen isotopic composition nitrate nitrite produced nitrifying cocultures natural marine assemblages
2014/4/3
Thed18 O value of nitrate produced during nitrification (d18ONO3,nit) was measured in experiments designed to mimic oceanic conditions, involving cocultures of ammonia-oxidizing bacteria or ammonia-ox...