نتایج جستجو برای: sediment hosted stratiform copper

تعداد نتایج: 127844  

Journal: :Chemical communications 2014
Marzio Rancan Jacopo Tessarolo Silvio Quici Lidia Armelao

PTA hosted in a copper metallo-supramolecular triangle undergoes post-assembly oxidation to form PTAO in aerated solutions. The oxidation is triggered by selected co-solvents that also govern the formation of the final crystalline product leading to a discrete host-guest triangle {PTAO@[Cu(o-L)]3} or to a 1D coordination polymer {(PTAO)2@[Cu8][Cu2]}∞ containing a {Cu8} ring with a double hostin...

Journal: :Applied and environmental microbiology 2012
Ana C C Pires Daniel F R Cleary Adelaide Almeida Angela Cunha Simone Dealtry Leda C S Mendonça-Hagler Kornelia Smalla Newton C M Gomes

Mangroves are complex ecosystems that regulate nutrient and sediment fluxes to the open sea. The importance of bacteria and fungi in regulating nutrient cycles has led to an interest in their diversity and composition in mangroves. However, very few studies have assessed Archaea in mangroves, and virtually nothing is known about whether mangrove rhizospheres affect archaeal diversity and compos...

1996
MATTHEW D. PARKER STEVEN A. RUTLEDGE RICHARD H. JOHNSON

Recently, three distinct archetypes for midlatitude linear mesoscale convective systems (MCSs) have been identified: those comprising convective lines with trailing stratiform precipitation (TS), leading stratiform precipitation (LS), and parallel stratiform precipitation (PS). While cloud-to-ground (CG) lightning in TS MCSs has received a great deal of study in recent years, linear MCSs exhibi...

2016
Vahid Noroozi Karbasdehi Sina Dobaradaran Iraj Nabipour Hossein Arfaeinia Roghayeh Mirahmadi Mozhgan Keshtkar

In this data article, by using inductively coupled plasma optical spectrometry (ICP-OES), we aimed to (1) determine the concentration levels of As, Ag, Sr, Sn, Sb, and Mo in the sediments and the shells of Trachycardium lacunosum simultaneously in two separated areas (unpolluted and polluted areas) (2) comparison between the metal contents of sediments in the unpolluted and polluted areas as we...

2002
Margaret L. Thomson

Silver Queen mint in central British Columbia, is located approximately 35 kilometres south of Houston and 3 kilometres east of 0wt.n Lake (Figure 2-7-1). Although currently inactive, it was worked briefly in the early 1970s for gold. silver, copper, zinc, lead and cadmium. The deposit is hosted by Cretaceous rocks of the informal Tip Top Hill group (78.322.67 Ma, K-Ar whole rock), with the age...

Journal: :international journal of environmental research 2014
p. manju p.s. nair akhil c.h. sujatha

this article present the result from a study of two sediment cores collected from theenvironmentally distinct zones of ces. accumulation status of five toxic metals: cadmium (cd), chromium(cr), cobalt (co), copper (cu) and lead (pb) were analyzed. besides texture and chns were determined tounderstand the composition of the sediment. enrichment factor (ef) and anthropogenic factor (af) wereused ...

Journal: :Atmospheric Measurement Techniques 2021

Abstract. The U.S. Department of Energy Atmospheric Radiation Measurement program Tropical Western Pacific site hosted a C-band polarization (CPOL) radar in Darwin, Australia. It provides 2 decades tropical rainfall characteristics useful for validating global circulation models. Rainfall retrievals from assume about the droplet size distribution (DSD) that vary significantly. To minimize uncer...

1997
EMMANOUIL N. ANAGNOSTOU CHRISTIAN KUMMEROW

A better understanding of global climate calls for more accurate estimates of liquid and ice water content profiles of precipitating clouds and their associated latent heating profiles. Convective and stratiform precipitation regimes have different latent heating and therefore impact the earth’s climate differently. Classification of clouds over oceans has traditionally been part of more genera...

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