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Articles 4171 - 4200 of 6760
Full-Text Articles in Physical Sciences and Mathematics
Coplanarity Test For Selecting A Pair Of Charged-Particle Tracks Resulting From A Single Neutral-Particle Decay, Edwin S. Braithwaite, Wilfred J. Braithwaite
Coplanarity Test For Selecting A Pair Of Charged-Particle Tracks Resulting From A Single Neutral-Particle Decay, Edwin S. Braithwaite, Wilfred J. Braithwaite
Journal of the Arkansas Academy of Science
It is hard to determine directly the position of a neutral subatomic particle, but when such a particle decays into a pair of charged particles, it is easy to determine the positions of the charged decay particles and thereby infer the position of the parent particle at the time of its decay. A minimum of two coordinate points for each of the two decay particles is needed to reconstruct the position of the parent vertex. The mathematics of the reconstruction process is inherently interesting, and it can be used to demonstrate to students the utility of some of the most …
What's All The Fuss About?, Sherman K. Stein
What's All The Fuss About?, Sherman K. Stein
Humanistic Mathematics Network Journal
No abstract provided.
The Triex: Explore, Extract, Explain, Sherman K. Stein
The Triex: Explore, Extract, Explain, Sherman K. Stein
Humanistic Mathematics Network Journal
No abstract provided.
On The Use Of Intelligent Tutoring Systems For Teaching And Learning Mathematics, M.D. C. Mendes, M.G. V. Nunes, C. A. Andreucci
On The Use Of Intelligent Tutoring Systems For Teaching And Learning Mathematics, M.D. C. Mendes, M.G. V. Nunes, C. A. Andreucci
Humanistic Mathematics Network Journal
No abstract provided.
Personal Reflections On Mathematics And Mathematics Education, Lynn E. Garner
Personal Reflections On Mathematics And Mathematics Education, Lynn E. Garner
Humanistic Mathematics Network Journal
No abstract provided.
Gresham's Law : Algorithm Drives Out Thought, Sherman K. Stein
Gresham's Law : Algorithm Drives Out Thought, Sherman K. Stein
Humanistic Mathematics Network Journal
No abstract provided.
Socrates And The Nonslave-Boy, W. M. Priestley
Socrates And The Nonslave-Boy, W. M. Priestley
Humanistic Mathematics Network Journal
No abstract provided.
Using Mathematics Courses In Support Of Humanities In A Liberal Arts Curriculum, M. S. Jagadish
Using Mathematics Courses In Support Of Humanities In A Liberal Arts Curriculum, M. S. Jagadish
Humanistic Mathematics Network Journal
No abstract provided.
Multicultural Mathematical Ideas: A New Course, Bernadette Anne Berken
Multicultural Mathematical Ideas: A New Course, Bernadette Anne Berken
Humanistic Mathematics Network Journal
No abstract provided.
Mixing Calculus, History, And Writing For Liberal Arts Students, W. M. Priestley
Mixing Calculus, History, And Writing For Liberal Arts Students, W. M. Priestley
Humanistic Mathematics Network Journal
No abstract provided.
A Prandial Dialogue On Abstract Algebra As An Introduction To The Discipline Of Mathematics For Liberal Arts Students, Margaret Holen
A Prandial Dialogue On Abstract Algebra As An Introduction To The Discipline Of Mathematics For Liberal Arts Students, Margaret Holen
Humanistic Mathematics Network Journal
No abstract provided.
Development And Evaluation Of Internet-Based Hypermedia Chemistry Tutorials, Brian Tissue, Ronald Earp, Ching-Wan Yip, Mark Anderson
Development And Evaluation Of Internet-Based Hypermedia Chemistry Tutorials, Brian Tissue, Ronald Earp, Ching-Wan Yip, Mark Anderson
Mark R. Anderson
This progress report describes the development and student use of World-Wide-Web-based prelaboratory exercises in senior-level Instrumental Analysis during the 1995 Fall semester. The laboratory preparation exercises contained hypermedia tutorials and multiple-choice questions that were intended to familiarize the students with the experiments and instrumentation before their laboratory session. The overall goal of our work is to explore ways in which computer and network technology can be applied in education to improve the cost-effectiveness and efficacy of teaching. The course material can be accessed at http://www.chem.vt.edu/chem-ed/4114/Fall1995.html.
Iowa Academy Of Science President's Banquet [108th Session], Iowa Academy Of Science
Iowa Academy Of Science President's Banquet [108th Session], Iowa Academy Of Science
Iowa Academy of Science Documents
Program:
Introductions
Awards:
Distinguished Fellow: Jerald Schnoor
Distinguished Iowa Scientist: David Benn
Distinguished Service: Paul Christiansen
Distinguished Iowa Science Teaching: Neil Bernstein
President's Address - Ross Iverson
Response - Bill Gilbert, President-Elect
General Sessions II - Dr. John Croat, "The Evolution & Technological Significance of the Modern Permanent Magnet"
Program Abstracts, 108th Session, Iowa Academy Of Science, April 26-27, 1996, Iowa Academy Of Science
Program Abstracts, 108th Session, Iowa Academy Of Science, April 26-27, 1996, Iowa Academy Of Science
Iowa Academy of Science Documents
Presentation abstracts from the annual meeting of the Iowa Academy of Science
The Annual Meeting Of The Iowa Academy Of Science April 26-27, 1996 [Program, 108th Meeting], Iowa Academy Of Science
The Annual Meeting Of The Iowa Academy Of Science April 26-27, 1996 [Program, 108th Meeting], Iowa Academy Of Science
Iowa Academy of Science Documents
Contents:
Program Summary --- 4
General Session Speakers --- 7
Awards --- 10
Symposia Programs --- 11
Poster Session --- 13
Map --- Centerfold
Section Programs/Special Sessions --- 15
Agricultural Sciences --- 15
Anthropology --- 16
Botany --- 18
Biology: Cellular, Molecular, & Micro --- 19
Chemistry: Inorganic --- 20
Chemistry: Organic --- 21
Conservation --- 22
Engineering --- 23
Geology --- 24
Linguistics/Psychology --- 25
Physics --- 26
Physiology --- 27
Zoology --- 29
Science Teaching --- 30
Local Arrangements Committee --- 31
Annual Meeting Committee --- 31
IAS Officers & Directors --- 32
Future Meetings --- 32
The Physics Of Motocross, Jeffrey R. Giles, Charles D. Ross
The Physics Of Motocross, Jeffrey R. Giles, Charles D. Ross
Chemistry & Physics Faculty Publications
The article describes how the laws of physics allow the motocross rider to control the flight of a motorcycle.
Non-Traditional Techniques In Teaching Science For General Students, Gary Lewis, Ben Golden, Gail Schiffer, Diane Willey
Non-Traditional Techniques In Teaching Science For General Students, Gary Lewis, Ben Golden, Gail Schiffer, Diane Willey
Gary C. Lewis
No abstract provided.
An Interdisciplinary Water Quality Curriculum For Middle School Students, Barbara Michelle Cleveland
An Interdisciplinary Water Quality Curriculum For Middle School Students, Barbara Michelle Cleveland
All Graduate Projects
An interdisciplinary curriculum correlating water quality with the disciplines of physical science and mathematics for 6th grade middle school students was developed. Literature examined indicates that the opportunity to explore key concepts and significant issues using an integrated approach provided greater opportunity to formulate meaningful connections between disciplines studied and that achievement was enhanced. The Learning units were developed for use at Wilson Middle School in Yakima, Washington.
Editorial Board & Iowa Academy Of Science Officers And Directors
Editorial Board & Iowa Academy Of Science Officers And Directors
Journal of the Iowa Academy of Science: JIAS
No abstract provided.
Checklist Of Instructions For Authors
Checklist Of Instructions For Authors
Journal of the Iowa Academy of Science: JIAS
No abstract provided.
Cover - Table Of Contents
Journal of the Iowa Academy of Science: JIAS
No abstract provided.
A Potential Understory Flora For Oak Savanna In Iowa, Karl T. Delong, Craig Hooper
A Potential Understory Flora For Oak Savanna In Iowa, Karl T. Delong, Craig Hooper
Journal of the Iowa Academy of Science: JIAS
Oak savanna occurred in Iowa until the time of settlement and then was degraded rapidly. There were no scientific studies of savanna prior to, or after, settlement, and now no high-quality examples exist within the state. To identify those vascular plants adapted to live in the understory of savanna we examined regional and local flora for species that occurred in both prairie and broken woodland, and for species that occurred m both openings and forest. We then compiled a detailed description of the ecological range of habitats for each of these species. We identified 252 species (39 graminoids, 183 forbs, …
An Annotated Checklist Of The Spiders Of Northwestern Iowa And The Loess Hills Of Western Iowa, Barbara J. Abraham
An Annotated Checklist Of The Spiders Of Northwestern Iowa And The Loess Hills Of Western Iowa, Barbara J. Abraham
Journal of the Iowa Academy of Science: JIAS
Spiders were collected by the author from various habitats in 16 counties of northwestern Iowa and the loess hills of western Iowa during the summers of 1985 and 1990-1992. Additional donated specimens from the same region in 1981and1989 were identified by the author. Twenty-three families, 92 genera and 184 species have been identified.
Cover - Table Of Contents
Journal of the Iowa Academy of Science: JIAS
No abstract provided.
The Natural History Of Aconitum Noveboracense Gray (Northern Monkshood), A Federally Threatened Species, Margaret A. Kuchenreuther
The Natural History Of Aconitum Noveboracense Gray (Northern Monkshood), A Federally Threatened Species, Margaret A. Kuchenreuther
Journal of the Iowa Academy of Science: JIAS
Aconitum noveboracense Gray (Ranunculaceae), commonly known as northern monkshood, is a federally threatened herbaceous perennial that occurs in disjunct populations in Iowa, Wisconsin, Ohio and New York. It appears to be a glacial relict, existing today only in unique areas with cool, moist microenvironments, such as algific talus slopes. Field studies reveal that A. noveboracense has a complex life history. Perennation of individual plants occurs through the annual production of daughter tubers. Vegetative reproduction is commonly observed, and can occur by means of aerial and subterranean bulbils, as well as by development of adventitious root buds. Populations also reproduce sexually …
Geochemistry Of Buried Midcontinent Rift Volcanic Rocks In Iowa: Data From Well Samples, Karl E. Seifert, Raymond R. Anderson
Geochemistry Of Buried Midcontinent Rift Volcanic Rocks In Iowa: Data From Well Samples, Karl E. Seifert, Raymond R. Anderson
Journal of the Iowa Academy of Science: JIAS
We analyzed welt cores and cuttings from deep wells into Precambrian igneous rocks from five separate pacts of the buried Midcontinent Rife System in Iowa for major and trace elements. A total of 21 samples, 9 cores and 12 cuttings, were analyzed for trace elements by instrumental neutron activation analysis (INAA) and 11 of these, 9 cores and 2 cuttings, were analyzed for major elements by inductively coupled plasma (ICP) analysis.
Pathogenicity Of Septoria Aquilina Isolated From Black Hills Bracken, A. Gabel, C. Salazar
Pathogenicity Of Septoria Aquilina Isolated From Black Hills Bracken, A. Gabel, C. Salazar
Journal of the Iowa Academy of Science: JIAS
Septoria aquilina, a pathogenic fungus isolated from Pteridium aquilinum growing in the Black Hills was studied from 1991-1995. S. aquilina sprayed at 8,000 conidia/ml on transplanted fronds followed by high humidity caused severe necrosis seven days after inoculation and disease severity increased until fronds died. Severe necrosis also developed from inoculations at 4,000 and 2,000 conidia/ml. Less severe symptoms developed from inoculations at 1,000 conidia/ml. Inoculations at 4,000 conidia/ml not followed by high humidity caused less necrosis than inoculations at the same concentration with high humidity. Inoculations at 4,000, 2,000, and 1,000 conidia/ml on fronds grown from spores caused similar …
Awards And Recognition, Iowa Academy Of Science, 1996
Awards And Recognition, Iowa Academy Of Science, 1996
Journal of the Iowa Academy of Science: JIAS
No abstract provided.