نتایج جستجو برای: solid reduction
تعداد نتایج: 672527 فیلتر نتایج به سال:
Speech sound disorders (SSD) are the most common communication impairment in childhood, and can hamper social development and learning. Current speech therapy interventions rely predominantly on the auditory skills of the child, as little technology is available to assist in diagnosis and therapy of SSDs. Realtime visualisation of tongue movements has the potential to bring enormous benefit to ...
The limited penetration of paclitaxel into solid tumors may limit its therapeutic efficacy. We recently showed a correlation between an increase in interstitial space and an enhancement of drug delivery in solid tumors. The present study evaluated whether this observation can be used to develop a treatment strategy, where an apoptosis-inducing pretreatment with paclitaxel is used to enhance its...
We report on the advanced optical characterizations of microfabricated solid immersion lenses with 2-μm diameter, operating at λ = 642 nm. The main feature, the spot size reduction, has been investigated by applying a focused Gaussian beam of NA = 0.9. Particular illuminating beams, e.g., Bessel-Gauss beams of the zeroth and the first order, a doughnutshape beam and its decompositions, i.e. two...
Microbial processes can affect the environmental behavior of redox sensitive radionuclides, and understanding these reactions is essential for the safe management of radioactive wastes. Neptunium, an alpha-emitting transuranic element, is of particular importance because of its long half-life, high radiotoxicity, and relatively high solubility as Np(V)O(2)(+) under oxic conditions. Here, we des...
FEG-EPMA of Solid State Redox Sensors – the Effect of Secondary Fluorescence on Analytical Precision
High-pressure oxygen fugacity (‘redox’) sensors are widely used to make estimates of the effective concentration of oxygen in experimental petrology. They typically rely on iron either diffusing into a nominally iron free mineral (e.g. iron into magnesiowüstite [1]) or iron alloying with a noble metal[2, 3]. In both cases the iron content of the sensor material should reflect the prevailing oxy...
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