بحث بسيط
السجلات المعروضة 91 -- 100 من 214
Ultra-trace determination of 90Sr, 137Cs, 238Pu, 239Pu, and 240Pu by triple quadruple collision/reaction cell-ICP-MS/MS: Establishing a baseline for global fallout in Qatar soil and sediments
(
Elsevier Ltd
, 2016 , Article)
The development of practical, fast, and reliable methods for the ultra-trace determination of anthropogenic radionuclides 90Sr, 137Cs, 238Pu, 239Pu, and 240Pu by triple quadruple collision/reaction cell inductively coupled ...
Structural, morphological and optical properties of PEDOT:PSS/QDs nano-composite films prepared by spin-casting
(
Elsevier B.V.
, 2016 , Article)
This paper describes the structural, morphological and optical properties of the nano-composite of poly (3,4-ethylenedioxythiophene) polystyrene sulfonate (PEDOT:PSS) and quantum dots (QDs). The ZnSe and CdSe QDs have been ...
Influence of temperature on the confinement effects of micro and nano level graphite filled poly(isoprene-co-isobutylene) composites
(
Springer Netherlands
, 2016 , Article)
Electrically conducting elastomer composites using nanocarbon fillers have utmost significance in the current scenario of flexible electronics. Though a large number of reports have come out in this topic, the influence ...
Plasticization and co-crystallization in LLDPE/wax blends.
(
Wiley Periodicals, Inc
, 2016 , Article)
The structure and thermal properties of linear low density polyethylene (LLDPE)/medium soft paraffin wax blends, prepared by melt mixing, were investigated by differential scanning calorimetry (DSC) and small- and wide-angle ...
NMR spectroscopy of polymer nanocomposites
(
Elsevier Inc.
, 2016 , Book chapter)
Nuclear magnetic resonance (NMR) spectroscopy is a technique of utmost significance when dealing with the characterization of the polymers and their nanocomposites. This chapter focuses on the influence of this particular ...
Benthic surveys of the historic pearl oyster beds of Qatar reveal a dramatic ecological change
(
Elsevier
, 2016 , Article)
The study aimed to confirm the presence of historic oyster banks of Qatar and code the biotopes present. The research also collated historical records and scientific publications to create a timeline of fishery activity. ...
Enhanced photocatalytic degradation of a phenolic compounds' mixture using a highly efficient TiO2/reduced graphene oxide nanocomposite
(
Springer New York LLC
, 2016 , Article)
A nanocomposite (namely rGOTi) was prepared by loading 0.33 weight percent of reduced graphene oxide (rGO) on commercial TiO2 nanoparticles using a hydrothermal method. The as-prepared nanocomposite was characterized using ...
Microalgae harvesting by pH adjusted coagulation-flocculation, recycling of the coagulant and the growth media
(
Elsevier Ltd
, 2016 , Article)
Coagulation-flocculation can be considered as one of the least energy intensive microalgae biomass harvesting processes. However, cost of the coagulant and biomass contamination are two critical issues that need to be ...
Improvement in Photovoltaic Performance of Dye Sensitized Solar Cell Using Activated Carbon-TiO2 Composites-Based Photoanode
(
IEEE Electron Devices Society
, 2016 , Article)
In this study, the activated carbon (AC) is synthesized from the oil fly ash (FA). Noncarbonaceous impurities were eliminated by acidic treatment of oil FA. Brunauer-Emmett-Teller and scanning electron microscopy ...
The influence of paraffin wax addition on the isothermal crystallization of LLDPE
(
Wiley
, 2016 , Article)
The influence of paraffin wax addition on the isothermal crystallization kinetics of linear low density polyethylene (LLDPE) was studied in a temperature range where the wax was always in the molten state and could be ...