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Background. Weaning patients from mechanical ventilation is an important problem in intensive care units. Weaning is usually conducted in an empirical manner, and a standardized approach has not beenExpand
The seasonal importance of small coastal sharks and rays in the artisanal elasmobranch fishery of Sinaloa , Mexico
Seasonal surveys were conducted during 1998–1999 in Sinaloa, Mexico to determine the extent and activities of the artisanal elasmobranch fishery operating in the southeastern Gulf of California.Expand
Streaking of 43-attosecond soft-X-ray pulses generated by a passively CEP-stable mid-infrared driver
Attosecond metrology has so far largely remained limited to titanium:sapphire lasers combined with an active stabilization of the carrier-envelope phase (CEP). These sources limit the achievableExpand
Oviposition Behavior of Ceratitis capitata Wiedemann ( Diptera : Tephritidae ) : Association Between Oviposition Preference and Larval Performance in Individual Females
The oviposition preference and larval performance of females of Ceratitis capitata (Wiedemann) were examined. Wild or laboratory-reared females were tested for oviposition preference in relation toExpand
Crystal structure of non-metamict Th-rich hellandite-( Ce ) from Latium ( Italy ) and crystal chemistry of the hellandite-group minerals
Hellandite is a rare, Y-bearing borosilicate, typically associated with granitic rocks or granitic pegmatites. The structure of hellandite was determined by Mellini and Merlino (1977) on a specimenExpand
Fatal trauma injuries in a brazilian big metropolis : a study of autopsies
Objective: This study aims to review a series of deaths by trauma in a large metropolis. The intention is to identify preventable causes of death. Methods: We prospectively studied 500 unselected andExpand
Alterations in the hematological parameters of Juvenile Nile Tilapia ( Oreochromis niloticus ) submitted to different salinities
Oreochromis niloticus is considered an excellent alternative for the cultivation after the great drop in the production of marine shrimp (Litopenaeus vannamei) in Northeast Brazil. However,Expand
Water and sediment ecotoxicological assessment in a river affected by former mining activities
During most of the 20 th century, the Ribeira de Iguape River Basin experienced intense activity related to mining. As consequence, it is estimated that the Ribeira de Iguape River received theExpand
Herbivory in a Rhodolith Bed: a Structuring Factor?
Lower values of epiphytic algal biomass were found within the fully, partially and unmeshed cages comparing to control areas within a rhodolith bed in southern Brazil through a grazers exclusion experiment. Expand
BNa – BLi solid-solution in A-site-vacant amphiboles : synthesis and cation ordering along the ferri-clinoferroholmquistite – riebeckite join
Amphiboles were hydrothermally synthesized at 500 ∞C and 4 kbar in the system Li2O-Na2OFeO-Fe2O3-SiO2-H2O, with nominal compositions along the riebeckite [■ Na2Fe3Expand