The southern Appalachian spruce-fir forest is a unique ecosystem in North America which consists of red spruce (Picea rubens) and Fraser fir (Abies Frasen). Found at elevations above 4500' and inhabiting 26,609 hectares in...
Fach:
Red spruce decline -- Appalachian Region, Southern, Red spruce -- Effect of acid deposition on -- Appalachian Region, Southern, Red spruce -- Soils -- Appalachian Region, Southern, Red spruce -- Appalachian Region, Southern -- Composition und Inductively coupled plasma spectrometry -- Appalachian Region, Southern
Red spruce (Picea rubens) trees are medium size conifers found in the Appalachian Mountains at high elevations (above 4500 ft.). Since the 1970’s, several reports indicate a decline of spruce-fir forests in the Southern...
Stichwort:
Acid Deposition, Environmental Chemistry, Inductively Coupled Plasma Optical Emission Spectrometry (ICP-OES), Red Spruce (Picea rubens) und Southern Appalachians Mountains
Fach:
Red spruce -- Effect of acid deposition on -- Appalachian Region, Southern, Red spruce decline -- Appalachian Region, Southern, Red spruce -- Soils -- Appalachian Region, Southern, Red spruce -- Appalachian Region, Southern -- Composition und Inductively coupled plasma spectrometry -- Appalachian Region, Southern
The Atacama Desert, located between the Pacific Ocean and the Andes in northern Chile and southern Peru, is one of the driest regions on the planet. In spite of the extreme aridity, the Atacama is traversed by the Rio Loa, a...
Stichwort:
antimony isotopes, Atacama Desert, Chuquicamata, El Tatio, Rio Loa und sequential extraction
Fach:
Contaminated sediments -- Chile -- Loa River, Trace elements in water -- Chile -- Loa River, Environmental geochemistry -- Chile -- Loa River und Water -- Pollution -- Chile -- Loa River
Formaldehyde testing in poor communities can be limited by the capital costs of laboratory grade instruments. Not having access to these instruments could result in the water supply not being tested, which can lead to health...
Fach:
Formaldehyde -- Spectra, Spectrum analysis und Formaldehyde -- Testing
Airborne analytes are often hard to measure due to their small concentrations (ppm-ppb), espe-cially those in our atmosphere. Airborne analytes such as ozone, nitrogen dioxide, and black car-bon are commonly studied for their...
Stichwort:
CES, CRDS und Low-cost
Fach:
Cavity-ringdown spectroscopy, Analytical chemistry und Spectrum analysis—Instruments
In recent years, the application of iron oxide nanoparticles for a myriad of research fields has opened many new avenues for possible biomedical applications. The potential to combine the paramagnetic property of iron oxide...
Stichwort:
Biomedical, Doped, Europium, Lanthanide, Magnetite und Nanoparticle
Fach:
Nanoparticles -- Synthesis, Nanoparticles -- Optical properties -- Diagnostic use, Magnetite -- Diagnostic use und Rare earth ions -- Optical properties -- Diagnostic use
Lanthanide metal ions exhibit fascinating optical and magnetic properties. Lanthanide-based nanomaterials have potential applications in optical devices, telecommunication, electroluminescent devices, bio-analytical sensors,...
Stichwort:
Europium Nanoparticles, Luminescence, Quantum yields, Sensitization und Upconversion
Microfluidic paper-based analytical devices (µPADs) have been developed using several patterning technologies to reproducibly create inexpensive lab-on-chip type analytical tools. Consequently, these devices are useful for...
Stichwort:
calcium and magnesium, chelate titrations, microfluidic paper based analytical devices und water hardness
Fach:
Microfluidic devices -- Design and construction, Detectors -- Design and construction, Water -- Analysis, Calcium ions, Magnesium ions und Water -- Hardness
The Boron atom has seen an increase in usefulness over the last half century due in part to the unique properties of boron that allow for dative binding. Aspects of the boron-nitrogen bond were examined through both...
Stichwort:
Boron Nitrogen Dative bonding und Boroxine Fluorescence
This study explores the influence of surface charge on the adsorption mechanism of Cu(II) onto ground peanut hulls at different pH values. Ground hulls can be separated into two types based on their density. For both types of...
Stichwort:
adsorption, biosorption, copper, peanut hulls, pH und surface charge
Fach:
Adsorption, Copper, Hydrogen-ion concentration und Peanuts
