نتایج جستجو برای: dolomite
تعداد نتایج: 1838 فیلتر نتایج به سال:
Hydrogeochemical investigations of groundwater in Torbat-Zaveh plain have been carried out to assess the water quality for drinking and irrigation purposes. In this study, 190 groundwater samples were collected and analyzed for physicochemical parameters and major ion concentrations. The abundance of major cations and anions was in the following order: Na(+) > Mg(2+) > Ca(2+) > K(+), and Cl(-) ...
Introduction: The Kentland impact structure located in northwestern Indiana (N 40° 45’ W 87° 24’) represents the remains of an ~13km diameter complex crater. Ordovician-Devonian strata have been uplifted ~600 m to the surface following impact and subsequently exposed by local quarrying operations. Large megablocks of carbonates, sandstones, and shales have been uplifted along thrust faults to c...
RESUMEN Cabbage clubroot is a major constraint for the production of cruciferous species. This research aim at exploring the effect of Trichoderma koningiopsis (as the wettable powder formulated product Tricotec®) and dolomite on the disease and crop growth of cabbage. This study was carried out in a field with a prolonged history of clubroot incidence. The trial was set up in a randomized comp...
Precipitation of High Mg-Calcite and Protodolomite Using Dead Biomass of Aerobic Halophilic Bacteria
The microbial dolomite model has been used to interpret the origin of sedimentary dolomite. In this model, formation low-temperature protodolomite, an important precursor dolomite, can be facilitated either by actively metabolizing cells anaerobic microbes and aerobic halophilic archaea or their inactive biomass. Aerobic bacteria are widely distributed in (proto-)dolomite-depositing evaporitic ...
Introduction Conclusions References
We have used a remote time-resolved telescopic Raman system equipped with 532 nm pulsed laser excitation and a gated intensified CCD (ICCD) detector for measuring Raman spectra of a number of minerals at high temperature to 970 K. Remote Raman measurements were made with samples at 9-meter in side a high-temperature furnace by gating the ICCD detector with 2 micro-sec gate to minimize interfere...
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