نتایج جستجو برای: glass beads
تعداد نتایج: 83206 فیلتر نتایج به سال:
Shooting glass beads across the inside of a satellite could probe limits quantum wave behaviour. Here’s how.
In cooperative molecular dynamics, the molecules of glass-forming liquids are partitioned to sub-molecular units named “beads”. The beads have been empirically defined. Recently, a method for measuring has suggested. this difference between entropy liquid and crystal, known as excess entropy, used. Here, it is found that all other thermodynamic quantities functions number in molecules, their ca...
Several covalent attachment chemistries were tested for the immobilization of DNA onto glass beads. The comparison was based on the ability of these chemistries to produce derivatized beads that give good hybridization signals. Cyanuric chloride, isothiocyanate, nitrophenyl chloroformate, and hydrazone chemistries gave us the best (yet comparable) hybridization signals. We further characterized...
This paper describes a quantitative immunoassay chip harnessing EOF (electroosmotic flow) in glass fiber sheet. The chip consists of a glass fiber sheet-based channel covered with PMMA (polymethylmethacrylate) frames and antibody-immobilized microbeads at the observation spot (Fig. 1). Applying EOF, another labeled-antibody and rinsing buffer sequentially migrate through the antigen-antibody co...
Methods for initiating and perpetuating a culture of mixed oral flora on hydroxyapatite (HT)-coated glass beads are described. Preliminary characterization of the resultant flora showed that species common in human dental plaque were present. The composition of the flora could be manipulated by altering cultural conditions. Scanning electron micrographs demonstrated that the microbes grew in de...
Excavations in the Roman villa of Aiano yielded twenty glass beads, a pendant, and glass-recycling furnace, originally interpreted as bead workshop. This article re-assesses evidence making light new data obtained thanks to recent progress archaeological studies. A detailed study typology, technology, chemical composition beads clearly excludes local production. Instead, two different forming t...
Fire-fountain eruptions of basaltic magma occur on Earth at centers such as Kilauea (Hawaii), and deposits from apparently similar eruptions have been found on the lunar surface. The driving force for terrestrial fi re-fountain eruptions is the exsolution of dissolved CO2 based on gases dissolved in melt inclusions trapped in olivine phenocrysts and the relatively high oxidation state of these ...
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