Results 81 to 90 of about 3,407,018 (153)

[Evaluation of surface water quality in recreational areas, an integrative proposal of chemical and microbiological markers]. [PDF]

open access: yesRev Fac Cien Med Univ Nac Cordoba, 2022
Pavan JV   +5 more
europepmc   +1 more source

The Relationship between Christian Religious Variables and Marital Functioning

open access: yes
A dissertation submitted in partial fulfillment of the requirements for the degree Doctor of PsychologyMarital satisfaction has been extensively studied as a key indicator of relationship functioning (Bradbury et al., 2000).
The Relationship between Christian Religious Variables and Marital Functioning
core  

Spurious Instrumental Variables [PDF]

open access: yes
Spurious regression phenomenon has been recognized for a wide range of Data Generating Processes: driftless unit roots, unit roots with drift, long memory, trend and broken-trend stationarity, etc. The usual framework is Ordinary Least Squares.
Daniel Ventosa-Santaularia
core  

Descripción de la rotiferofauna presente en Ciénaga La Redonda, Ciénaga La Luna, Ciénaga Pajaral y Canal Dragado durante la época lluviosa. Complejo de Pajarales, Departamento de Magdalena, Colombia

open access: yesActa Biológica Colombiana, 2007
La Composición y Abundancia de Rotíferos presentes durante la época lluviosa en las ciénagas de La Redonda, ciénaga La Luna, ciénaga Pajaral y Canal Dragado (Magdalena, Colombia) fueron determinadas utilizando el conteo microscópico.
Juan Sebastián Celis Melo   +1 more
doaj  

Iron Oxide Incorporated Conjugated Polymer Nanoparticles for Simultaneous Use in Magnetic Resonance and Fluorescent Imaging of Brain Tumors. [PDF]

open access: yesPharmaceutics, 2021
Arias-Ramos N   +7 more
europepmc   +1 more source

Fast Generation of Discrete Random Variables [PDF]

open access: yes
We describe two methods and provide C programs for generating discrete random variables with functions that are simple and fast, averaging ten times as fast as published methods and more than five times as fast as the fastest of those. We provide general
George Marsaglia   +2 more
core  

The Effect of Various Design Variables on the Separation of Two Immiscible Liquids by Continuous Gravity Decantation [PDF]

open access: yes, 1966
The separation of distilled water and coconut fatty acid (CNFA) was investigated in a 4 in. x 16 in. vertical gravity decanter to determine the most significant design variables. The design variables studied were tangential versus perpendicular feed
Manchanda, Krishan
core  

Independent Factors Extracted from 47 Variables 1971

open access: yes
A presentation slide labeled Independent Factors Extracted from 47 Variables ...

core  

Heisenberg (and Schroedinger, and Pauli) on Hidden Variables [PDF]

open access: yes, 2009
In this paper, we discuss various aspects of Heisenberg’s thought on hidden variables in the period 1927–1935. We also compare Heisenberg’s approach to others current at the time, specifically that embodied by von Neumann’s impossibility proof, but also ...
Crull, Elise, Bacciagaluppi, Guido
core  

The effect of age on the heart rate variability of healthy subjects. [PDF]

open access: yesPLoS One, 2021
Garavaglia L   +4 more
europepmc   +1 more source

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