Browsing ELibrary by Title
- DSpace Home
- →
- Геология России
- →
- ELibrary
- →
- Browsing ELibrary by Title
JavaScript is disabled for your browser. Some features of this site may not work without it.
Browsing ELibrary by Title
Now showing items 1315-1334 of 21879
-
(1995)Atmospheric and electrochemical oxidation of the surface of chalcopyrite has been investigated using electrochemical techniques with subsequent surface analysis by X-ray photoelectron spectroscopy (XPS) and aqueous phase ...
-
(2002)We present preliminary observations suggesting that variations among eolian dust flux, nutrient levels, and primary productivity may have been causally linked during the late Paleozoic icehouse. Modern oceanographic ...
-
(1997)We have modeled atmospheric entry heating of interplanetary dust to characterize the population of particles carrying extraterrestrial He to the seafloor. We find that ~0.5% of the mass and ~4% of the surface area of the ...
-
(2002)Two effects of Chicxulub-scale impacts are considered: radiation impulse and impact-induced atmospheric erosion. Detailed numerical simulations show that radiation of the Chicxulub impact plume could be responsible for ...
-
(2002)Methane (CH4) is the most abundant organic trace gas in the atmosphere. In the distant past, variations in natural sources of methane were responsible for trends in atmospheric methane levels recorded in ice cores. Since ...
-
(2001)Atmospheric nanoparticles are of growing interest to many investigators for two main reasons. First, nanoparticles are important precursors for the formation of larger particles, which are known to strongly influence global ...
-
ATMOSPHERIC PCO2 SINCE 60 MA FROM RECORDS OF SEAWATER PH, CALCIUM, AND PRIMARY CARBONATE MINERALOGY (2003)A 60 m.y. record of atmospheric pCO2 has been refined from knowledge of (1) secular changes in the major ion composition of seawater (particularly Ca and Mg) and (2) oscillations in the mineralogy of primary oceanic carbonate ...
-
(2004)The double difference technique is the standard processing method of challenging minisatellite payload (CHAMPs), global positioning system (GPS) occultation data to correct for satellite clock errors. In order to apply ...
-
(2001)Field measurements in the atmospheric boundary layer were carried out to identify the effect of atmospheric stability on subgrid-scale physics for large-eddy simulation. The basic instrumentation setup consisted of 12 ...
-
(2000)In situ X-ray specular reflectivity and atomic force microscopy were used to determine the structure of the orthoclase (001) cleavage surface in contact with deionized water at 25°C. These are the first in situ measurements ...
-
(1998)Atomistic simulation methods have been used to calculate and compare the surface structures and energies of the {1014}, {0001}, {1010}, {1120} and {1011} surfaces of calcite and dolomite and to evaluate their equilibrium ...
-
(2003)Interatomic potential parameters have been derived at simulated temperatures of 0 K and 300 K to model pyrite FeS2. The predicted pyrite structures are within 1% of those determined experimentally, while the calculated ...
-
(2004)The segregation of ten isovalent impurities (Al3+ Cr3+, Eu3+, Gd3+, Ho3+, La3+, Lu3+, Nd3+, Tb3+, Y3+) to the and the (0001) surfaces of haematite (α-Fe2O3) have been studied using atomistic simulation where the forces ...
-
(2000)We have studied the energetics of trace element incorporation into pure almandine (Alm), grossular (Gros), pyrope (Py) and spessartine (Spes) garnets (X3Al2Si3O12, with X = Fe, Ca, Mg, Mn respectively), by means of computer ...
-
(2003)Boron is an important micronutrient for plants, but high B levels in soils are often responsible for toxicity effects in plants. It is therefore important to understand reactions that may affect B availability in soils. ...
-
(1989)The study of granitoid plutons and their mapping is often hindered by the uniformity of their mineral and chemical compositions. Our investigation was done on the Kanzybinskiy granitoid pluton, near whose contacts are iron ...
-
(2002)Lower thrust sheets of the Scandinavian Caledonides derive from the margin of Baltica, which was imbricated during Early Palaeozoic closure of oceans formed during separation of the Baltica. Laurentia and Siberia cratons. ...
-
(1999)A suite of naturally-occurring carboxylic acids (acetic, oxalic, citric, benzoic, salicylic and phthalic) and their corresponding sodium salts were adsorbed onto a set of common mineral substrates (quartz, albite, illite, ...
-
(2000)The speciation and infrared spectra of aqueous solutions containing dissolved aluminum and picolinic acid (2-pyridinecarboxylic acid) were investigated using a combination of attenuated total reflection Fourier-transform ...
-
(2002)Bank filtration, either natural or induced through the river bed by pumping from a system of connected lateral or vertical wells, provides a means of obtaining public water supplies. The success of such schemes is dependent ...
Now showing items 1315-1334 of 21879