Different probes are used in dermato-cosmetic research to measure the electrical properties of the skin. The principle governing the choice of the geometry and material of the measuring probe is not well defined in the literature and some device's measuring principles are not accessible for the scientific community. The purpose of this work was to develop a simple inexpensive conductance meter ...

While many studies have focused on trading volume in the stock market, little is known about why derivatives volume varies in the cross-section or over time. We study time-series properties as well as the determinants of the options/stock trading volume ratio (O/S) using a comprehensive cross-section and time-series of data on equities and their listed options. O/S is related to many intuitive ...

Objective.—The objective of this study was to compare the efficacy, tolerability, and safety of AVP-825, an investigational bi-directional breath-powered intranasal delivery system containing low-dose (22 mg) sumatriptan powder, vs 100 mg oral sumatriptan for acute treatment of migraine in a double-dummy, randomized comparative efficacy clinical trial allowing treatment across multiple migraine...

This essay looks at the historical significance of four APS classic papers that are freely available online: Fenn WO, Rahn H, and OTIS AB. A theoretical study of the composition of the alveolar air at altitude. Am J Physiol 146: 637-653. 1946 (http://ajplegacy.physiology.org/cgi/reprint/146/5/637). Rahn H. A concept of mean alveolar air and the ventilation-bloodflow relationships during pulmona...

0021-9991/$ see front matter 2012 Elsevier Inc. All rights reserved. http://dx.doi.org/10.1016/j.jcp.2012.05.027 Abbreviations: 1 M, femur 1’s medial; 2AL, femur 2’s anterior-lateral; 2PM, femur 2’s posterior-medial; 3D, three-dimensional; BMD, bone density; CT-scan, computed tomography scan; FE, finite element; MRI, magnetic resonance imaging; QCT, quantitative computed tomography; RO of inter...

This paper uses novel growth models composed of clusters of heterogeneous agents, and shows that limiting behavior of oneand two-parameter PoissonDirichlet models are qualitatively very different. As model sizes grow unboundedly, the coefficients of variations of extensive variables, such as the number of total clusters, and the numbers of clusters of specified sizes all approach zero in the on...

The steady-state creep rate of Ni-base metallic foams, with superalloy composition (in wt. pct) Ni7.8∼9.1Al (relative density, ρ = 2.5-2.6) and Ni-13.5∼16.6Cr-5.1∼8.9Al (ρ = 2.8∼3.0), was measured under a range of temperatures (680∼825°C) and applied stresses (0.1∼0.3 MPa), and compared with that of NiAl intermetallic foams (ρ = 5.3). The stress exponent and activation energy are within the exp...

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