Este estudio se orientó a adaptar lingüísticamente la versión corta de Escala Procrastinación Académica (APS-S) McClosky y obtener evidencias validez, confiabilidad equidad en universitarios limeños. Participaron 4534 estudiantes, siendo 2052 mujeres (45.3%) varones 2482 (54.7%). El análisis factorial confirmatorio escala alcanzó un ajuste adecuado al modelo medida hipotetizado (CFI= .994, TLI=...

Introduction The prospect of extending static x-ray measurements into the time domain is an exci ting one indeed. The foundations for this extension have already been laid by some very innovative experiments (1) performed at existing storage ring sources. The enormous enhancement in brilliance that the APS will afford over existing sources will, I believe, foster a tremendous growth in the area...

This paper documents changes in the rates and characteristics of undercover police investigations against child sexual exploiters on the Internet. Telephone interviews were conducted with law enforcement officials about a nationally representative sample of cases ending in arrest for an Internet-related sex crime against a minor in 2000 and 2006. The survey found a 280% increase in arrests of o...

Hydrogen composition and occupation state provide basic information for understanding various properties of the metal-hydrogen system, ranging from microscopic properties such as hydrogen diffusion to macroscopic properties such as phase stability. Here the deuterization process of face-centred cubic Fe to form solid-solution face-centred cubic FeDx is investigated using in situ neutron diffrac...

We designed a waveguide SIS mixer based on NbN for the 900-GHz band. The waveguide mixer block with an MgO substrate was designed using Hewlett Packard's High Frequency Structure Simulator (HFSS) and uses a waveguide-to-microstip transition. Simulation by HFSS showed that a source impedance of around 60 12 can be achieved from 786 to 988 GHz by using an MgO substrate about 30 gra thick. The tun...

Thom SR. Oxidative stress is fundamental to hyperbaric oxygen therapy. J Appl Physiol 106: 988 –995, 2009. First published October 9, 2008; doi:10.1152/japplphysiol.91004.2008.—The goal of this review is to outline advances addressing the role that reactive species of oxygen and nitrogen play in therapeutic mechanisms of hyperbaric oxygen. The review will be organized around major categories of...

Glycoproteins having mannose and/or N-acetylglucosamine in the terminal non-reducing position [Stockert, Morell & Scheinberg (1976) Biochem. Biophys. Res. Commun. 68, 988-993], and various lysosomal enzymes [Stahl, Schlesinger, Rodman & Doebber (1976) Nature (London) 264, 86-88] are rapidly cleared from plasma by the liver after intravenous administration. A liver cell-separation technique was ...