Results 61 to 70 of about 141 (110)
The longitudinal magnetic field of solar active region, observed on the solar disk during November 1980, is modelled by means of a distribution of subphotospheric discrete sources in the potencial and linear force-free approach.
L. G. Bagalá +3 more
doaj
ABSTRACT The objective of this research is the efficiency of the 17 W, 25 W and 46 W ultraviolet lamps in the removal of thermotolerant coliforms from the effluent of the PTAR Lagunas San José, Chiclayo; As a study material, PVC cylinders of 120 L capacity for sample collection, UV lamp, sterilized glass bottles were used to determine the population of
openaire +1 more source
El objetivo de este estudio fue evaluar el efecto de un envejecimiento acelerado mediante rayos ultravioleta y condiciones ambientales controladas sobre la propagación de grietas de debobinado y agrietamiento superficial, al simular las condiciones de ...
Andrés Acevedo +3 more
doaj
El aprovechamiento de la energía solar está condicionado a la intensidad de irradiación incidente sobre un área determinada, para determinar la irradiación en el presente estudio se contó con un Piranometro modelo Kipp & Zonen SP Lite2, está diseñado para la medición rutinaria de la radiación solar en todo tipo de condiciones climáticas. Se registró la
openaire +1 more source
[PAPPS Cancer Expert Group. Cancer Prevention Recommendations. 2020 PAPPS update]. [PDF]
Marzo-Castillejo M +5 more
europepmc +1 more source
El objetivo de este estudio fue evaluar el efecto de un envejecimiento acelerado mediante rayos ultravioleta y condiciones ambientales controladas sobre la propagación de grietas de debobinado y agrietamiento superficial, al simular las condiciones de ...
Acevedo Andrés +3 more
doaj
AEG-SEED position paper for the resumption of endoscopic activity after the peak phase of the COVID-19 pandemic. [PDF]
Marín-Gabriel JC +2 more
europepmc +1 more source
Objective: To estimate the prevalence and correlates of skin cancer-related behaviors in a representative sample of the population of the region of Madrid (Spain). Methods: We performed a cross-sectional study based on a telephone survey.
Iñaki Galán +3 more
doaj
Previously Activated Psoralen: A Possible Novel Format of Psoralen Used in the Treatment of Graft-versus-host Disease. [PDF]
Hu X, Qian L, Chen X, Shen J.
europepmc +1 more source
[Vitamin D deficiency: positioning of the Medical Nutrition Research Unit]. [PDF]
Maldonado-Hernández J +4 more
europepmc +1 more source

