18,790,235 research outputs found
Laboratory Manual for Computer Programming with Python and Multism, Third Edition
No full textThis 88-page laboratory manual was written by James M. Fiore and "is intended for use in an introductory computer programming course for electrical engineering technology students." The manual contains an introduction, a table of contents, and eleven exercises. The manual "begins with a basic explanation of schematic capture and simulation tools and proceeds to the Python programming language." This third edition also includes Multisim 13.Â
Laboratory Manual for Embedded Controllers Using C and Arduino
No full textThis 100-page laboratory manual was written by James M. Fiore and is intended for use in an introductory microprocessor or embedded controller course and two and four year electrical engineering curriculums. The manual contains an introduction, a table of contents, and fourteen exercises. "The first portion deals strictly with an introduction to the C language using standard desktop tools... The Second portion (roughly 2/3rds of the total) addresses the Arduino hardware." This manual focuses on the Uno board but other boards may be used with some modifications to the lab text.&nbsp
Laboratory Manual for DC Electrical Circuits
No full textThis 90-page laboratory manual was written by James M. Fiore and is intended for use in a DC electrical circuits course and two and four year electrical engineering curriculums. The manual contains an introduction, a table of contents, fifteen exercises, and three appendices. Each exercise includes an objective, a theory overview, equipment needed, schematics, step-by-step procedures, and questions. "The topics range from basic laboratory procedures and resistor identification through series-parallel circuits, mesh and nodal analysis, superposition, Thevenin's Theorem, Maximum Power Transfer Theorem, and concludes with an introduction to capacitors and inductors.&quot
Laboratory Manual for AC Electrical Circuits
No full textThis 90-page laboratory manual was written by James M. Fiore and is intended for use in an AC electrical circuits course and two and four year electrical engineering curriculums. The manual contains an introduction, a table of contents, and fifteen exercises. Each exercise includes an objective, a theory overview, equipment needed, schematics, step-by-step procedures, and questions. "The topics range from introductory RL and RC circuits and oscilloscope orientation through series-parallel circuits, superposition, Thevenin's Theorem, Maximum Power Transfer Theorem, and concludes with series and parallel resonance.&quot
Laboratory Manual for Linear Electronics
No full textThis 102-page laboratory manual was written by James M. Fiore and is intended for use in a linear semiconductor devices course and two and four year electrical engineering curriculums. The manual contains an introduction, a table of contents, and sixteen exercises. Each exercise includes an objective, a theory overview, equipment needed, schematics, step-by-step procedures, and questions. Many exercises also include sections on troubleshooting and design. "The topics cover basic diodes through DC biasing and AC analysis of small signal bipolar and FET amplifiers along with class A and B large signal analysis.&quot
Il sistema agroalimentare e le perdite agroalimentari. Perdite o risorse? Questo è il problema
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Applications of Sardinian kaolins to the hydrothermal synthesis of zeolites and characterization of the resulting products
No full textThe kaolin deposit from Donigazza area (NW Sardinia, Italy) has been investigated to test its possible use as raw material for zeolite synthesis. The perspective is to draw a better exploitation of this mineral resource, as
the deposits of NW Sardinia are mainly exploited to manufacture vitrified tiles and/or sanitary ware. Chemical and mineralogical investigations were performed by X-ray fluorescence (XRF), powder X-ray diffraction
(XRD), and scanning electron microscopy (SEM). The Donigazza kaolin is mainly composed of kaolinite±dickite, and minor amount of opal-CT and quartz. The low iron content (likely as hydroxides), the high amount of kaolinite and amorphous silica, as well as the low amount of quartz encouraged investigation on the possible conversion of these rocks into zeolites.
A representative sample was powdered, split, and hydrothermally treated with NaOH at 100 °C in sealed Teflon-lined stainless-steel vessels, under autogenous water vapor pressure. The vessels were placed in a
thermostated oven equipped with a rotating device inside. Thirty experiments were performed by varying the concentration of NaOH solution (1, 2, 3, 4, and 5 mol L-1) and the reaction time (12, 24, 48, 72, 96, 168 hours); the liquid/solid ratio was 1:5.
XRD analyses documented that different mineral species formed after kaolin hydrothermal alkali activation: NaP1 zeolite, NaP2 zeolite, gobbinsite, analcite, laumontite, chabasite, sodalite, hydroxy-sodalite,
hydroxy-cancrinite, phillipsite. Amounts of residual kaolinite (from 0 to 70%) depend both on the NaOH concentration and on the reaction time (higher the time and NaOH, lower the amount) being undetectable at t ≥
48 hours and NaOH ≥ 3 mol L-1. Consequently, relative abundances of zeolites (up to 91%) change significantly depending on the experimental conditions: as expected, NaOH strongly influences the abundance
and mineral type but also time plays an important role thus indicating that a given mineral is in metastable condition. Microscopic observations documented the presence of idiomorphic crystals, whose dimensions vary
from 100 nm up to 10 μm, as well as subspherical aggregates (up to 10 μm in size) of crystals (200-400 nm) having pseudo-octahedron shapes. Globular nanoparticles (usually < 50 nm), isolated or aggregated to form
subspherical micrograins, are also present. It is likely that they are Al-Si gels. As expected, their amount, as well as the ratios among mineral species, depends on the length of the experiment and NaOH concentration.
Results obtained in this experimental study document that kaolin deposits from NW Sardinia (Italy) are an excellent raw material for zeolite production
The Life and Works of Joachim of Fiore - An Overview
No full textJoachim of Fiore (c.1135-1202) remains one of the most fascinating and enigmatic figures of medieval Christianity. He may well be called the most influential apocalyptic thinker after the author of the Book of Revelation. In his own time, Joachim was an influential advisor to the mighty and powerful, widely respected for his prophetic exegesis and decoding of the apocalypse. This article aims to present his life and his work
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