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Full-Text Articles in History of Science, Technology, and Medicine

Test 1628: John Deere 4455 Quadrange Diesel 16-Speed, Nebraska Tractor Test Lab Sep 1989

Test 1628: John Deere 4455 Quadrange Diesel 16-Speed, Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …


Test 1626: John Deere 4055 Quadrange Diesel 16-Speed, Nebraska Tractor Test Lab Sep 1989

Test 1626: John Deere 4055 Quadrange Diesel 16-Speed, Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …


Jefferson Alumni Bulletin – Volume Xxxviii, Number 4, Summer 1989 Jul 1989

Jefferson Alumni Bulletin – Volume Xxxviii, Number 4, Summer 1989

The Bulletin (formerly the Jefferson Medical College Alumni Bulletin)

Jefferson Alumni Bulletin – Volume XXXVIII, Number 4, Summer 1989 Reflections of an outgoing president, Page 2 Commencement 1989, Page 6 164th Alumni Weekend, Page 11 Clinic presentations, Page 17 Class notes, Page 36


1989 Commencement For Jefferson Medical College And College Of Graduate Studies Jun 1989

1989 Commencement For Jefferson Medical College And College Of Graduate Studies

Sidney Kimmel Medical College Commencements

No abstract provided.


Simulated Annealing On Np-Complete Problems, Russell W. Howell Jun 1989

Simulated Annealing On Np-Complete Problems, Russell W. Howell

ACMS Conference Proceedings 1989

The Random House Dictionary defines anneal as " ... to free (glass, metals, etc.) from internal stress by heating and gradually cooling." In the physical world, impurities are annealed out of a substance by heating it to a high temperature. As it is cooled, its molecular structure gradually settles into a stable "low-energy" configuration. It is important to cool the substance slowly, especially at lower temperatures, so that impurities do not get "frozen" into place. With careful cooling, a low-energy state can eventually be reached. This state may not be the one with the lowest potential energy, where the spins …


The Mathematical Intelligencer, Dmitrii Egorov: Mathematics And Theology In Russia, Charles E. Ford Jun 1989

The Mathematical Intelligencer, Dmitrii Egorov: Mathematics And Theology In Russia, Charles E. Ford

ACMS Conference Proceedings 1989

This paper tells the story of Russian mathematician Dmitri Egorov, recounting his faith and contributions to the field of mathematics.


A Course On Mathematics And The Christian Faith, W. David Laverell, Carl J. Sinke Jun 1989

A Course On Mathematics And The Christian Faith, W. David Laverell, Carl J. Sinke

ACMS Conference Proceedings 1989

The January interim term at Calvin College provides an opportunity for developing and teaching courses outside a normal major program. As a result faculty members are frequently given the interim off to provide time for research and development of new courses. In 1987 we were given such a leave in order to pursue the questions of the relationship between mathematics and the Christian Faith. One result was our presentation at the 1987 Association of Christians in the Mathematical Sciences conference. Immediately thereafter we began to develop a specific interim course based on our studies. We offered the course during the …


The Bisexual Galton-Watson Branching Process, David M. Hull Jun 1989

The Bisexual Galton-Watson Branching Process, David M. Hull

ACMS Conference Proceedings 1989

I would like to present the bisexual Galton-Watson branching process. The word "bisexual" indicates that we will be considering a population of two sexes--which will be designated as the usual male and female. Here is a brief overview of what I would like to cover.

  1. The bisexual process motivated: why is it needed?
  2. The standard Galton-Watson branching process.
  3. The state of affairs regarding two-sex models.
  4. The nuts and bolts of the bisexual Galton-Watson branching process (parameters defined and how it works).
  5. A review of published bisexual results to date.
  6. What is to come?


Newton And Saccheri: Case Studies In The Interplay Of Mathematics And Religion, Tommy Leavelle Jun 1989

Newton And Saccheri: Case Studies In The Interplay Of Mathematics And Religion, Tommy Leavelle

ACMS Conference Proceedings 1989

In the course of this paper I will try to present to you the basic facts and some of the subsequent assessments of the life and work of two mathematicians for whom the interplay of mathematics and religion was influential: Issac Newton and Girolamo Saccheri.


Augustine's Mathematical Realism, Paul J. Zwier Jun 1989

Augustine's Mathematical Realism, Paul J. Zwier

ACMS Conference Proceedings 1989

After a review of Philip Kitcher's argument against Mathematical Realism, this paper presents the case for Mathematical Realism by looking at the life and writings of Saint Augustine.


Beauty In Mathematics: Some Theological Implications, David L. Neuhouser Jun 1989

Beauty In Mathematics: Some Theological Implications, David L. Neuhouser

ACMS Conference Proceedings 1989

It may come as a surprise to some that science or mathematics could be considered beautiful, but many prominent sciences and mathematicians from around the world have made such claims. Furthermore, the beauty of mathematics and order of the universe inspired some of the greatest developments in science and mathematics. This paper examines the beauty of mathematics and what scientists and other individuals have said about the subject.


Using Writing In The Mathematics Classroom, Dr. Barbara J. Rose Jun 1989

Using Writing In The Mathematics Classroom, Dr. Barbara J. Rose

ACMS Conference Proceedings 1989

No abstract provided.


Mathematics Between The Lines Of Ecclesiates, Donald A. Joesphson Jun 1989

Mathematics Between The Lines Of Ecclesiates, Donald A. Joesphson

ACMS Conference Proceedings 1989

No abstract provided.


Writing Across The Curriculum Using Statistics, Carlos A. Pereira Jun 1989

Writing Across The Curriculum Using Statistics, Carlos A. Pereira

ACMS Conference Proceedings 1989

No abstract provided.


Written Assignments In College Freshman And Sophomore Mathematics Courses, Jean Alliman Jun 1989

Written Assignments In College Freshman And Sophomore Mathematics Courses, Jean Alliman

ACMS Conference Proceedings 1989

No abstract provided.


Mathematical Modeling In The Classroom, Jefferson Hartzler Jun 1989

Mathematical Modeling In The Classroom, Jefferson Hartzler

ACMS Conference Proceedings 1989

No abstract provided.


The Fourth Dimension And The Theology Of Edwin Abbot Abbott, Thomas F. Banchoff Jun 1989

The Fourth Dimension And The Theology Of Edwin Abbot Abbott, Thomas F. Banchoff

ACMS Conference Proceedings 1989

No abstract provided.


Schedule (1989), Association Of Christians In The Mathematical Sciences Jun 1989

Schedule (1989), Association Of Christians In The Mathematical Sciences

ACMS Conference Proceedings 1989

A Seventh Conference on Mathematics from a Christian Perspective

Gene B. Chase, Editor


Introduction (1989), Gene B. Chase Jun 1989

Introduction (1989), Gene B. Chase

ACMS Conference Proceedings 1989

A Seventh Conference on Mathematics from a Christian Perspective

Gene B. Chase, Editor


Test 1625: John Deere 8960 Powersync Diesel 12 And 24-Speed, Nebraska Tractor Test Lab Jun 1989

Test 1625: John Deere 8960 Powersync Diesel 12 And 24-Speed, Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …


Table Of Contents (1989), Association Of Christians In The Mathematical Sciences May 1989

Table Of Contents (1989), Association Of Christians In The Mathematical Sciences

ACMS Conference Proceedings 1989

A Seventh Conference on Mathematics from a Christian Perspective

Gene B. Chase, Editor


The Fourth Dimension And The Theology Of Edwin Abbott Abbott, Thomas Banchoff May 1989

The Fourth Dimension And The Theology Of Edwin Abbott Abbott, Thomas Banchoff

ACMS Conference Proceedings 1989

This paper is a brief biography of Edwin Abbott Abbott, author of Flatland, and a sketch of the main ideas in the book. It also incorporates some personal reflections.


Test 1623: John Deere 8560 Powersync Diesel 12 And 24-Speed, Nebraska Tractor Test Lab May 1989

Test 1623: John Deere 8560 Powersync Diesel 12 And 24-Speed, Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …


Test 1624: John Deere 8760 Powersync Diesel 12 And 24-Speed, Nebraska Tractor Test Lab May 1989

Test 1624: John Deere 8760 Powersync Diesel 12 And 24-Speed, Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …


Toils And Perils Of Scientific Publishing In The Late Eighteenth And Early Nineteenth Centuries, Eileen Snyder Apr 1989

Toils And Perils Of Scientific Publishing In The Late Eighteenth And Early Nineteenth Centuries, Eileen Snyder

The Courier

It is perhaps not realized by the modem armchair naturalist what hardships attended his 'explorer naturalist' predecessor in the early 1800s. In the George Arents Research Library there is an intriguing—indeed, quite outstanding—group of volumes, landmarks in the history of the natural sciences, by American, British, and French botanists, ornithologists, ichthyologists, entomologists, and herpetologists. A study of the various prefaces, introductions, and accompanying advertisements reveals the overwhelming problems that not only attended every fact ,gathering expedition, but seemed as well to plague every stage in the publication of the new materials. Nevertheless, undaunted, these explorers were inspired to do what …


Test 1617: John Deere 4055 Powershift Diesel 15-Speed, Nebraska Tractor Test Lab Apr 1989

Test 1617: John Deere 4055 Powershift Diesel 15-Speed, Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …


Test 1619: John Deere 4455 Powershift Diesel 15-Speed, Nebraska Tractor Test Lab Apr 1989

Test 1619: John Deere 4455 Powershift Diesel 15-Speed, Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …


Test 1622: John Deere 4955 And 4960 Powershift Diesel 15-Speed, Nebraska Tractor Test Lab Apr 1989

Test 1622: John Deere 4955 And 4960 Powershift Diesel 15-Speed, Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …


Test 1618: John Deere 4255 Powershift Diesel 15-Speed, Nebraska Tractor Test Lab Apr 1989

Test 1618: John Deere 4255 Powershift Diesel 15-Speed, Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …


Test 1620: John Deere 4555 And 4560 Powershift Diesel 15-Speed, Nebraska Tractor Test Lab Apr 1989

Test 1620: John Deere 4555 And 4560 Powershift Diesel 15-Speed, Nebraska Tractor Test Lab

Nebraska Tractor Tests

EXPLANATION OF THE TEST PROCEDURE General Tractors are tested at the University of Nebraska according to the Agricultural Tractor Test Code approved by the American Society of Agricultural Engineers and the Society of Automotive Engineers or official Nebraska test procedure. The manufacturer selects the tractor to be tested and certifies that it is a stock model. Each tractor is equipped with the common power consuming accessories such as power steering, power lift pump, generator, etc., if available. Power consuming accessories may be disconnected only when the means for disconnecting can be reached from the operating station. An official representative of …