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Articles 50341 - 50370 of 52975
Full-Text Articles in Entire DC Network
Bulletin: Western Michigan University Undergraduate Catalog 1969-1970, Western Michigan University
Bulletin: Western Michigan University Undergraduate Catalog 1969-1970, Western Michigan University
Western Michigan University Course Catalogs (1904-present)
- University Calendar
- Board of Trustees
- Administrative Officers
- Admission, Degrees and Certificates
- Student Activities and Organizations
- Building and Grounds
- Scholarships and Student Financial Assistance
- The Honors College
- School of Applied Arts and Sciences
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- Index
Identification Of Criteria And Formulation Of An Action Model For The Process Of Curriculum Development, Jack J . Wickert
Identification Of Criteria And Formulation Of An Action Model For The Process Of Curriculum Development, Jack J . Wickert
Dissertations
No abstract provided.
Western Michigan University Newsletter, June 1969, Western Michigan University
Western Michigan University Newsletter, June 1969, Western Michigan University
Western Newsletter (1955-71)
- WM Trustees Make Key Administrative Academic Appointments
- Spring Session Enrollment Gain 10 Percent Over 1968
- Six Weeks In England, Europe for Seminar
- WMU Campus School Closed June 30th
- 18 Students to Be Added to Faculty Senate Councils
- Pres. Miller Tells State Group That Chaos Reaps Anarchy
- Recent Grants to WMU
An Examination Of The Secular Deterioration Hypothesis, Roger L. Carothers
An Examination Of The Secular Deterioration Hypothesis, Roger L. Carothers
Masters Theses
No abstract provided.
Attention: Its Meaning And Its Control In The Classroom, Robert G. Packard
Attention: Its Meaning And Its Control In The Classroom, Robert G. Packard
Masters Theses
No abstract provided.
An Assessment Of The Problems Of Recruiting And Retaining Substitute Teachers For The Elementary Schools Of The Jackson Public Schools, Jackson, Michigan, William Henry Sumner
An Assessment Of The Problems Of Recruiting And Retaining Substitute Teachers For The Elementary Schools Of The Jackson Public Schools, Jackson, Michigan, William Henry Sumner
Masters Theses
No abstract provided.
Foliage Production And Consumption In An Oak Forest, David A. Boyce
Foliage Production And Consumption In An Oak Forest, David A. Boyce
Masters Theses
No abstract provided.
Parental Consequation Of Classroom Behavior, David J. Sluyter
Parental Consequation Of Classroom Behavior, David J. Sluyter
Masters Theses
No abstract provided.
Comfort Climates At Grand Rapids, Michigan: A Dynamic Approach, Robert L. Janiskee
Comfort Climates At Grand Rapids, Michigan: A Dynamic Approach, Robert L. Janiskee
Masters Theses
No abstract provided.
Bird Populations Of Three Oak Forest Areas In Southern Michigan, Ted B. Gottshall
Bird Populations Of Three Oak Forest Areas In Southern Michigan, Ted B. Gottshall
Masters Theses
No abstract provided.
An Exploratory Study Of The Relationship Of High School Non-Academic Achievements To Community College Academic Achievement, Ira C. Livingston
An Exploratory Study Of The Relationship Of High School Non-Academic Achievements To Community College Academic Achievement, Ira C. Livingston
Masters Theses
No abstract provided.
A Comparison Of Differential Response Rates With Children Under Two Schedules Of Reinforcement And Extinction Using Programmed Mathematics Instruction, David L. Sorenson
A Comparison Of Differential Response Rates With Children Under Two Schedules Of Reinforcement And Extinction Using Programmed Mathematics Instruction, David L. Sorenson
Masters Theses
No abstract provided.
Western Michigan University Newsletter, May 1969, Western Michigan University
Western Michigan University Newsletter, May 1969, Western Michigan University
Western Newsletter (1955-71)
- Michigan Gov. William Milliken Addresses Commencement
- Nationwide Student Unrest Reaches WMU
- Pres. Miller Notes Anniversary of Tragic Death of Martin L. King
- ROTC Offices Damaged By Fire
- Mrs. Helen Hoekje Passes Away
Brown And Gold - 1969, Western Michigan University
Brown And Gold - 1969, Western Michigan University
Western Michigan University Yearbooks (1906-1985)
• Features • Athletic • Academics and Seniors • Greeks • Dorms • Organizations
The Availability And Adequacy Of Some Spanish Translated Tests, Nelson Diaz-Mora
The Availability And Adequacy Of Some Spanish Translated Tests, Nelson Diaz-Mora
Masters Theses
No abstract provided.
The Effects Of Continuous Shock Punishment On Fr Reinforced Behavior, John Carter Moore
The Effects Of Continuous Shock Punishment On Fr Reinforced Behavior, John Carter Moore
Masters Theses
No abstract provided.
An Evaluation Of The Community School Program Springfield Public Schools Battle Creek, Michigan, Robert Bruce Sellers
An Evaluation Of The Community School Program Springfield Public Schools Battle Creek, Michigan, Robert Bruce Sellers
Masters Theses
No abstract provided.
Influence Of Magnitude Of Printing Ink And Printing Pressure On Printing Quality, C. Lee Brandyberry
Influence Of Magnitude Of Printing Ink And Printing Pressure On Printing Quality, C. Lee Brandyberry
Paper Engineering Senior Theses
The purpose of this thesis is to investigate the influence of the magnitude of printing ink and printing pressure on the printing quality of various grades of paper with the ultimate objective of obtaining a standard press setting at which a wide range of papers may be run to determine printing quality. The procedure consisted of printing at various impressions with two different amounts of ink on each grade of paper, measuring the printed samples for ink coverage and printing fidelity to calculate printing quality, and finally, comparing these results to the inherent paper properties. The conclusions drawn show that …
Deinking And Bleaching Of Waste Paper In One Stage, Suleiman Yusuf Dadabhoy
Deinking And Bleaching Of Waste Paper In One Stage, Suleiman Yusuf Dadabhoy
Paper Engineering Senior Theses
The scope of this project was to explore the possibility of deinking and bleaching of wastepaper in one stage.
All the experiments were run under the same conditions and using the same equipment.
From the results obtained, it is concluded that it is possible to deink and bleach in one stage. It was found that deinking and bleaching of groundwood paper at the same time, shows more improvement than paper with less groundwood in it.
When paper is deinked and bleached at the same time, the consumption of chemicals is little more, but on the other hand, one could make …
University Magazine Vol. 27 No. 2, Western Michigan University
University Magazine Vol. 27 No. 2, Western Michigan University
Western Michigan University Magazine (1963-1980)
- Our University
- From Bachelors to Doctorates
- 50 Years at Western
- Only the Adventurous Need Apply
- The Performing Arts/Auditorium Preview
- Just What is a Typical WMU Alum?
- Alumni Report
- Bronco Sports
- Class Notes
- In Memoriam
- New Alumni Assoc. Life Members
Pressurized Oxygen-Hot Alkali Pulping System, Robert A. Dinehart
Pressurized Oxygen-Hot Alkali Pulping System, Robert A. Dinehart
Paper Engineering Senior Theses
This study concerns the area of pulping, using an oxygen-hot caustic-magnesium carbonate system. The literature study includes the use of a similar system by French scientists in the bleaching of pulps. The few who have worked in the pulping field using oxygen are also cited, but apparently no one has investigated an oxygen-hot caustic-magnesium carbonate pulping system.
In this study, red pine chips have been treated under varying conditions of oxygen pressure and magnesium carbonate concentrations and tested for brightness, yield, permangenate number, mullen and tensile strength. It was found that the oxygen-caustic pulping system had no advantages over the …
The Influence Of Coating Adhesives On The Stiffness Of Paper, Chinu S. Dalal
The Influence Of Coating Adhesives On The Stiffness Of Paper, Chinu S. Dalal
Paper Engineering Senior Theses
The main purpose of this project was to study the effect coating adhesive has on the stiffness of paper. This work enables one to compare data on what influence adhesive with and without supercalendering has on the stiffness and caliper of the paper. The project was performed with six formulations with a different adhesive or adhesive combination in each. The adhesives were six types, casein, protein, starch, casein + latex, protein + latex and starch + latex.
It has been found in general that stiffness of all the paper samples increased when coating adhesive was applied on the surface. The …
The Use Of The Streaming Current Detector For Determining Dye Adsorption Characteristics Of Papermaking Fibers, Thomas Meersman
The Use Of The Streaming Current Detector For Determining Dye Adsorption Characteristics Of Papermaking Fibers, Thomas Meersman
Paper Engineering Senior Theses
The purpose of this thesis was to study the dye adsorption characteristics of cellulose by means of the Streaming Current Detector. The influence of electrolytes on dye adsorption, and the electrokinetic phenomena of two-sided dyeing were areas of particular concentration.
Contrary to general belief, it was found the addition of sodium chloride was not necessarily beneficial to dye adsorption and in some cases it could actually be detrimental. The Streaming Current Detector was found to be a useful tool for predicting this effect.
The higher charge of fines was found to be an important factor in the increased dye adsorption …
The Schulze-Hardy Law And The Hofmeister Series Of Ions In Coagulations Of Starch-Titanium Dioxide White Water, Thomas R. O'Hara
The Schulze-Hardy Law And The Hofmeister Series Of Ions In Coagulations Of Starch-Titanium Dioxide White Water, Thomas R. O'Hara
Paper Engineering Senior Theses
In recent years the problem of pollution has gained more importance in the pulp and paper industries due to the pressures applied by the State and Federal Governments. One of the areas in which the industry has been weak is the coagulation of starch-titanium white water. The problem is largely due to the stabilizing power of the modified starches used in the industry today. These starches peptize the pigment which is present in the white water and form a highly stable colloidal system.
The coagulating rules set down in the Schulze-Hardy Law and the Hofmeister Series state that the higher …
The Effects Of Stress During Drying Upon Physical Characteristics, Keith R. Stanley
The Effects Of Stress During Drying Upon Physical Characteristics, Keith R. Stanley
Paper Engineering Senior Theses
The purpose of this study was to determine the effects of stress during drying upon the strength of the paper.
This study consisted of two machine runs on a pilot paper machine. The machine was operated with minimum tension in all draws to provide a standard condition. For experimental conditions, tension was applied at various draws and increased until the sheet broke. Samples were taken from the standard condition sets and from-all experimental sets for evaluation purposes. The samples were evaluated for machine and cross-machine direction elongation, machine and cross-machine direction tensile, mullen, and machine and cross-machine direction tensile energy …
The Effects Of Ph On Alkaline Sizing Of Bleached Hardwood Pulps With Aquapel, David K. Dekam
The Effects Of Ph On Alkaline Sizing Of Bleached Hardwood Pulps With Aquapel, David K. Dekam
Paper Engineering Senior Theses
The effects of pH on alkaline sizing of two bleached hardwood pulps, kraft and sulfite, was investigated. The pulps were refined in a Noble and Wood cycle beater and handsheets were made with a Noble and Wood handsheet making system. The handsheets were internally sized with 0.15 percent Aquapel using 0.05 percent Kymene 557 as a retention aid. Upon varying the pH of sizing of bleached hardwood sulfite pulp the Hercules Ink Photometer measurements of 258, 636, and 563 seconds were observed at pH's of 7.0, 8.5, and 9.5 respectively. The sizing increased with pH up to a certain pH …
The Effect Of Machine Draw Tensions On Sheet Properties, James C. Wyrick
The Effect Of Machine Draw Tensions On Sheet Properties, James C. Wyrick
Paper Engineering Senior Theses
A machine run was made on 75% softwood, 25% hardwood bleached kraft. All variables were kept constant except for the draw between dryer sections. This was varied between -0.2 fpm and 2.0 fpm at approximately 90 fpm wire. speed. Samples were taken at eighteen points between -0.2 fpm and 2.0 fpm and tested for moisture content, basis weight, tensile, elongation and tensile energy absorption. Moisture content was found to vary from 59.5% to 63.2% dryness while the basis weight varied from 39.2 to 41.1 lb. (25x38-500) ream. The basis weight showed no effect on percent dryness. Both the percent elongation …
Effect On Starch On Pigment Particle Packing And Its Effect On The Sheet Properties, Michael L. Armstrong
Effect On Starch On Pigment Particle Packing And Its Effect On The Sheet Properties, Michael L. Armstrong
Paper Engineering Senior Theses
The starch-clay suspension is the basis for the coating industry. This study shows that cationic and anionic starch at levels of addition below 10 parts per hundred can disperse the clay to obtain maximum particle packing or minimum void volume. The particle packing effect showed a relatively small effect on the sheet properties. But due to the large variation in coat weight and the physical effects of the adhesive only very general trends could be realized on these sheet properties.
The Effect Of Infra-Red Radiation On The Curing Rate Of An Alkylketene Dimer Sizing Agent, Roland A. Johnson
The Effect Of Infra-Red Radiation On The Curing Rate Of An Alkylketene Dimer Sizing Agent, Roland A. Johnson
Paper Engineering Senior Theses
The contents of this thesis examine the principles behind and the effects of the application of infra-red radiation on a sheet sized with an alkylketene dimer. Handsheets were formed by the Noble and Wood procedure from bleached softwood kraft pulp beaten to a Canadian standard freeness of 390. They were sized with the dimer to a 0.2% concentration on the weight of the oven dry fiber combined with a cationic retention agent to a 0.05% concentration. It was found that infra-red radiation improved the sizing effects of the dimer.
Characterization Of Fiber Fines By Drainage Resistance Analysis, Edward J. Grys
Characterization Of Fiber Fines By Drainage Resistance Analysis, Edward J. Grys
Paper Engineering Senior Theses
This thesis begins by developing a literature background for a variety of pulp characterization methods and relating them to present-day techniques.
Two methods are evaluated and compared with the Canadian Standard Freeness (C.S.F.) test. They are the Centrifugal Water Retention (C.W.R.) method and the constant rate filtration resistance method using the Pulmac Permeability instrument. A standard pulp was used and the fines content was varied from 0% to 25% at 5% intervals. Handsheets were made and the pulp characterization values were related to sheet strength values.
In general, the data indicated that the specific surface area, from the constant filtration …