نتایج جستجو برای: exploratory geochemistry

تعداد نتایج: 57819  

Journal: :Journal of Iberian Geology 2013

Journal: :Atlantic Geology 1965

Journal: :Eos, Transactions American Geophysical Union 2014

Journal: :New Zealand Journal of Geology and Geophysics 1965

Journal: :iranian journal of public health 0
k. imandel m. mohseni f. farzianpour

in the first half of year 1972 a descriptive exploratory survey was done on 75 selected households in district of kann comprising 589 people. selection was carried out by simple random sampling without replacement. the study shows that 33% of men and women are in the age group of 15-24 and family dimension is 5.01. the difference in income level is high. more than 25% of the families earn less ...

2006
John C. Fry Gordon Webster Barry A. Cragg Andrew J. Weightman John Parkes

The aim of this work was to relate depth profiles of prokaryotic community composition with geochemical processes in the deep subseafloor biosphere at two shallow-water sites on the Peru Margin in the Pacific Ocean (ODP Leg 201, sites 1228 and 1229). Principal component analysis of denaturing gradient gel electrophoresis banding patterns of deep-sediment Bacteria, Archaea, Euryarchaeota and the...

2014
Michael O. Navarro Emily E. Bockmon Christina A. Frieder Jennifer P. Gonzalez Lisa A. Levin

Spawning market squid lay embryo capsules on the seafloor of the continental shelf of the California Current System (CCS), where ocean acidification, deoxygenation and intensified upwelling lower the pH and [O2]. Squid statolith geochemistry has been shown to reflect the squid’s environment (e.g., seawater temperature and elemental concentration). We used real-world environmental levels of pH a...

2012
Fengrui Chen Shiqiang Chen Guangxiong Peng

Mapping geochemical anomaly is essential for prospecting. Kriging is often used to characterize the spatial variability of geochemistry. However, due to its smooth effects, it is incapable of detecting multi-location uncertainty of geochemistry estimate. Sequential gaussian simulation (SGS) can model the spatial uncertainty through generation of several equally probable stochastic realizations....

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