搜索结果: 1-15 共查到“理学 seawater”相关记录65条 . 查询时间(0.062 秒)
As carbon dioxide continues to build up in the Earth’s atmosphere, research teams around the world have spent years seeking ways to remove the gas efficiently from the air. Meanwhile, the world’s numb...
Changing seawater hints at future for adhesives from ocean species（图）
Changing seawater future adhesives ocean species
2020/8/14
Animals such as mussels are able to stick to their environment -- literally. A scientist who studies ocean species to develop adhesives is now looking at the changing chemistry of seawater to see how ...
Researchers develop technology to harness energy from mixing of freshwater and seawater（图）
technology harness energy mixing freshwater seawater
2019/10/22
Salt is power. The energy in places where salty ocean water and freshwater mingle could provide a massive source of renewable power. Stanford University researchers have developed an affordable, durab...
Novel method for low level Sr-90 activity detection in seawater by combining oxalate precipitation and chelating resin extraction
strontium-90 nuclear power plant seawater monitoring preconcentration oxalate precipitation
2017/4/10
Sr released into seawater from nuclear bomb testing and nuclear facility accident sites requires long-term monitoring.
However, measuring 90Sr in seawater is still difficult and time-consuming. This ...
Surface layer Nd isotopic composition of ferromanganese crusts collected from the Takuyo-Daigo Seamount reflects ambient seawater
ferromanganese (Fe-Mn) crust Nd isotopic composition seawater Takuyo-Daigo Seamount
2017/4/10
The neodymium (Nd) isotopic composition of the surface layers of eleven ferromanganese crust samples collected
from the Takuyo-Daigo Seamount (northwest Pacific Ocean) was determined. This is the fir...
Fluorescence Efficiency of Surface Seawater as a Function of Excitation and Emission Wavelength
Excitation and Emission Wavelength Surface Seawater
2015/8/19
Fluorescence of natural waters has often been employed in attempts to quantify dissolved chromophores. However, it has not always been recognized that the intensity of fluorescence obtained from a giv...
As one of few who have been involved in the equation of state of seawater over the last 40 years, I was invited to review some of the history behind its early development and also the more recent ther...
Potentiometric open-cell titration for seawater alkalinity considering temperature dependence of titrant density and Nernst response of pH electrode
Balkalinity open-cell titration potentiometric method HCl density Nernst response
2017/4/11
The total alkalinity (AT) of seawater is one of the parameters required to characterize carbonate systems, which are
essential for studying the greenhouse effects of carbon dioxide (CO2) on the Earth...
Bromoform production from seawater treated with bromoperoxidase
Bromoform production seawater treated bromoperoxidase
2014/4/2
Bromoform (CHBr3; 11–486 fmol L−1 h−1), dibromomethane (CH2Br2; 0–9.4 fmol L−1 h−1), and low amounts of chloride-substituted chlorobromomethanes were produced from southern Cal...
The Theory and Application of Upwind Finite Difference Fractional Steps Procedure for Seawater Intrusion
Seawater Intrusion Three-Dimensional Region
2013/3/11
Numerical simulation and theoretical analysis of seawater intrusion is the mathematical basis for modern environmental science. Its mathematical model is the nonlinear coupled system of partial differ...
Spatial variations of 226Ra, 228Ra, and 228Th activities in seawater from the eastern East China Sea
radium isotopes thorium isotopes East China Sea shelf currents seasonal variation water mixing scavenging
2017/4/11
A total of 74 surface and subsurface water samples at depths shallower than 200 m were collected in the eastern East
China Sea (ECS), and spatial and seasonal variations in 226Ra, 228Ra, and 228Th ac...
Occurrence of Diuron and Irgarol in seawater, sediments and planktons of Seto Inland Sea, Japan
Diuron Irgarol Seto Inland Sea riverine discharge offshore transport
2017/4/11
The concentrations of the herbicide Diuron and algaecide Irgarol in the Seto Inland Sea, Japan, were assessed for
October 2008 and October 2009. Overall, 29 seawater, sediment and plankton samples we...
Bromoform production from seawater treated with bromoperoxidase
Bromoform production seawater treated bromoperoxidase
2014/4/4
Bromoform (CHBr3; 11–486 fmol L−1 h−1), dibromomethane (CH2Br2; 0–9.4 fmol L−1 h−1), and low amounts of chloride-substituted chlorobromomethanes were produced from southern Cal...
Determination of Henry’s law constant of halocarbons in seawater and analysis of sea-to-air flux of iodoethane (C2H5I) in the Indian and Southern oceans based on partial pressure measurements
solubility equilibrator volatile organic compounds
2017/4/12
The sea-to-air flux of C2H5I (iodoethane) in the Indian Ocean and the Southern Ocean was estimated from the Henry’s
law constant (KH) and the measured partial pressures of C2H5I in surface seawater a...
Introducing the bromide/alkalinity ratio for a follow-up discussion on "Precipitation of salts in freezing seawater and ozone depletion events: a status report", by Morin et al., published in Atmos. Chem. Phys., 8, 7317–7324, 2008
the bromide/alkalinity ratio freezing seawater ozone depletion events salts
2010/8/25
Sander et al. (2006) proposed that CaCO3 precipitation can be an important factor in triggering tropospheric ozone depletion events. Recently, Morin et al. (2008b) presented calculations with the FREZ...