نتایج جستجو برای: tracer techniques
تعداد نتایج: 707387 فیلتر نتایج به سال:
Abstract This paper elaborates an energy and material flow model for conventional lightweight packaging sorting recycling in Germany based on literature analysis information provided by industry experts. The is used to determine specific demands of particular fractions their respective climate impacts. Fluorescent-based identification techniques, tracer-based-sorting particular, are assessed as...
The kinetic Sunyaev Zel'dovich (kSZ) effect, cosmic microwave background (CMB) temperature anisotropies induced by the scattering of CMB photons from free electrons, will be measured near-term experiments at high significance. By combining with a tracer structure, such as galaxy redshift survey, previous literature introduced number techniques to reconstruct radial velocity field. This reconstr...
The topography of the anatomical projection from isofrequency contours (IFCs) in auditory thalamus to IFCs in primary auditory cortex (field AI) was investigated in the cat. In each experiment, a best-frequency map of AI was obtained with electrophysiological recording techniques. Then, different retrogradely transported tracers (HRP, fluorescent dyes) were introduced into AI. In some experimen...
Recently, we proposed a model describing the suppression of endogenous glucose production (EGP) during a meal. It assumes that EGP suppression depends on glucose concentration and its rate of change and on delayed insulin action. Hepatic insulin sensitivity (S(I)(Lmeal)) can be derived from EGP model parameters. This model was shown to adequately describe EGP profiles measured with multiple tra...
In volumetric path tracer, distance sampling and transmittance estimation techniques play a vital role in producing high-quality final rendered images. Previously, these were implemented for production volume rendering, analyzed faster convergence. this article, we have augmented additional estimators including ratio tracking, residual tracking unbiased ray marcher GPU-based tracer (Exposure Re...
Concerning the further development of gas turbine engines, advances of the aero-thermodynamic design can be achieved most efficiently by cooperative efforts aimed at the improvement of both the numerical simulation methods and the experimental test and measurement techniques. Rapid development of numerical capability is accompanied by increasing demands on experimental data. In this context sig...
The use of live animal gamma radioisotope tracer techniques in the field of ecotoxicology allows laboratory studies to accurately monitor contaminant biokinetics in real time for an individual organism. However, methods used in published studies for aquatic organisms are rarely described in sufficient detail to allow for study replication or an assessment of the errors associated with live anim...
We generalize the technique of ?) to map dust column density through a molecular cloud (Nice) to an optimized multi-band technique (Nicer) that can be applied to any multi-band survey of molecular clouds. We present a first application to a ∼ 625 deg subset of the Two Micron All Sky Survey (2MASS) data and show that when compared to Nice, the optimized Nicer technique (i) achieves the same exti...
The triple-tracer (TT) dilution technique has been proposed to be the gold standard method to measure postprandial glucose appearance. However, validation against an independent standard has been missing. We addressed this issue and also validated the simpler dual-tracer (DT) technique. Sixteen young subjects with type 1 diabetes (age 19.5 ± 3.8 yr, BMI 23.4 ± 1.5 kg/m(2), HbA(1c) 8.7 ± 1.7%, d...
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