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Articles 290191 - 290220 of 292255

Full-Text Articles in Physical Sciences and Mathematics

Magnesium - Tellurium By Powder Methods, George Gale May 1938

Magnesium - Tellurium By Powder Methods, George Gale

Bachelors Theses and Reports, 1928 - 1970

Today considerable work is being done in the compressed metal powder field which is gradually ob­taining prominence as a valuable branch of metallurgy. The mass of data, however, has led to many different ideas on the results of sintering.


Geology And Ore Deposits Of The Golden Messenger Mine, Lewis And Clark County, Helena, Montana., John C. Archibald Jr. May 1938

Geology And Ore Deposits Of The Golden Messenger Mine, Lewis And Clark County, Helena, Montana., John C. Archibald Jr.

Bachelors Theses and Reports, 1928 - 1970

The Golden Messenger Mine which is approximately twenty-three miles northeast of Helena, Montana, near York, on Trout Creek, has long presented several problems of both theoretical and practical interest.


A Proposed Method For Classifying And Evaluating Soils On The Basis Of Productivity And Use Suitabilities, Arthur Anderson, A. P. Nelson, F. A. Hayes, I. D. Wood May 1938

A Proposed Method For Classifying And Evaluating Soils On The Basis Of Productivity And Use Suitabilities, Arthur Anderson, A. P. Nelson, F. A. Hayes, I. D. Wood

Nebraska Agricultural Experiment Station: Historical Research Bulletins

It is the object of this paper to present a method for classifying and evaluating the soils as mapped in regular soil surveys on the basis of land types, which are here defined as areas having reasonably similar productivity and use suitabilities. The standards used to differentiate land types will vary according to the desired objectives, but any material difference in yield, or in practices necessary to maintain a desirable level of productivity will justify recognition of land types. The proposed procedure involves a more detailed study of the influence which soils, slope, erosion, and drainage have on specific crops …


A Study Of The Organic Dye Nitrazine As An Indicator For Acid-Base Titration, Grace Nachod May 1938

A Study Of The Organic Dye Nitrazine As An Indicator For Acid-Base Titration, Grace Nachod

Chemistry Honors Papers

This 13 page thesis examines the organic compound nitrazine as an indicator in acid - base nitrations.


The Summation Of The Series X+X/4+X/9+...+X/N-+.., William J. Nee May 1938

The Summation Of The Series X+X/4+X/9+...+X/N-+.., William J. Nee

Bachelors’ Theses

The purpose of this thesis is to determine the sum of the series x+42/4+x3/9+x4/16+....xn/n2. In order to determine whether or not the series is summable, we must first find out if it is a convergent series and so the first part of this paper will deal with some of the tests of convergence. After this matter is settles, we shall select a value of x, in this case x=1 and determine the ∑/1 1/n2


The Geology And Ore Deposits Of Jardine, Montana, Wolter Duykers May 1938

The Geology And Ore Deposits Of Jardine, Montana, Wolter Duykers

Bachelors Theses and Reports, 1928 - 1970

The subject to be covered by this paper is based upon field study made during a six week stay at Jardine. The work began on June 19, 1937 and ended on July 31 of the same year.


A Rapid Determination Of Small Amounts Of Lead In Zinc, George T. Hanson May 1938

A Rapid Determination Of Small Amounts Of Lead In Zinc, George T. Hanson

Bachelors Theses and Reports, 1928 - 1970

This investigation, carried on in the metallur­gical laboratories at the Montana School of Mines, was undertaken with the desire to work out a rapid method for the estimation, or the determination, of the amount of lead in zinc.


The Electrodeposition Of Manganese From Certain Aqueous Solutions., William C. Wallace May 1938

The Electrodeposition Of Manganese From Certain Aqueous Solutions., William C. Wallace

Bachelors Theses and Reports, 1928 - 1970

Manganese has been successfully electrodeposited from aqueous solutions in past years by several work­ers in electrochemical and electrometallurgical fields.

The present work was concerned, primarily, with investigation of electrodeposition from solutions which are commercially obtainable from the hydrometallurgical or pyrometallurgical treatment of the low grade mangan­ese deposits of this country.


Front Matter Apr 1938

Front Matter

Journal of the Minnesota Academy of Science

No abstract provided.


The Search For Natural History Areas In Minnesota, A. N. Wilcox, W. J. Breckenridge, R. L. Donovan, T. B. Magath, H. E. Stork, Gustav Swanson Apr 1938

The Search For Natural History Areas In Minnesota, A. N. Wilcox, W. J. Breckenridge, R. L. Donovan, T. B. Magath, H. E. Stork, Gustav Swanson

Journal of the Minnesota Academy of Science

No abstract provided.


Settlement Forms In The Northwest Cumberland Plateau Of Kentucky, Leonard S. Wilson Apr 1938

Settlement Forms In The Northwest Cumberland Plateau Of Kentucky, Leonard S. Wilson

Journal of the Minnesota Academy of Science

No abstract provided.


Infiltration And Capillary Rise In Sandy Soils, Wallace M. Johnson Apr 1938

Infiltration And Capillary Rise In Sandy Soils, Wallace M. Johnson

Journal of the Minnesota Academy of Science

No abstract provided.


List Of Twenty-Two Species Of Monogenetic Trematodes From The South Pacific, F. G. Meserve Apr 1938

List Of Twenty-Two Species Of Monogenetic Trematodes From The South Pacific, F. G. Meserve

Journal of the Minnesota Academy of Science

No abstract provided.


Characteristics Of Some Forest Soils Developed On The Young Red (Patrician) Drift, C. O. Rost, Olaf C. Soine Apr 1938

Characteristics Of Some Forest Soils Developed On The Young Red (Patrician) Drift, C. O. Rost, Olaf C. Soine

Journal of the Minnesota Academy of Science

No abstract provided.


Pyro-Sulfate Ion In Solution, Geo. Glockler, R. I. Meland Apr 1938

Pyro-Sulfate Ion In Solution, Geo. Glockler, R. I. Meland

Journal of the Minnesota Academy of Science

No abstract provided.


Coloration Of Alkali Silicates By Carbon Arc And Sunlight, Geo. Glockler, A. R. Johansson Apr 1938

Coloration Of Alkali Silicates By Carbon Arc And Sunlight, Geo. Glockler, A. R. Johansson

Journal of the Minnesota Academy of Science

No abstract provided.


Application Of Reflection Seismic Prospecting To Outlining Of Oil-Bearing Geological Structures, George Welch, W. W. Wetzel Apr 1938

Application Of Reflection Seismic Prospecting To Outlining Of Oil-Bearing Geological Structures, George Welch, W. W. Wetzel

Journal of the Minnesota Academy of Science

No abstract provided.


A Preliminary Report On A Study Of College Science Courses Considered Valuable By High School Science Teachers, G. M. Wissink Apr 1938

A Preliminary Report On A Study Of College Science Courses Considered Valuable By High School Science Teachers, G. M. Wissink

Journal of the Minnesota Academy of Science

No abstract provided.


The Relation Of Statistics To The Design Of Educational And Psychological Investigations, Palmer O. Johnson Apr 1938

The Relation Of Statistics To The Design Of Educational And Psychological Investigations, Palmer O. Johnson

Journal of the Minnesota Academy of Science

No abstract provided.


Back Matter Apr 1938

Back Matter

Journal of the Minnesota Academy of Science

No abstract provided.


The Butter Industry Of Nebraska, Walter Kollmorgen Mar 1938

The Butter Industry Of Nebraska, Walter Kollmorgen

Conservation and Survey Division

No abstract provided.


The Geology Of The Southern Central Portion Of The Morrison Cave Area., Arthur Talpt Feb 1938

The Geology Of The Southern Central Portion Of The Morrison Cave Area., Arthur Talpt

Bachelors Theses and Reports, 1928 - 1970

Morrison Cave is located about 50 miles southeast of Butte, Montana. It was named after the man who discovered it. Later it was taken over by the State and renamed Morrison Cave State Park. Recently the government with the aid of the Civilian Conservation Corps has built a new road to the cave and has made the interior more accessible. The name of the cave is now Lewis and Clark Cavern National Monument.


Ua37/23 Whas Broadcast No. 75, Whas, Western Kentucky University, Earl Moore Jan 1938

Ua37/23 Whas Broadcast No. 75, Whas, Western Kentucky University, Earl Moore

WKU Administration Documents

Script for weekly WKU broadcast on WHAS radio. This show included Earl Moore, Ellen Jeffries, Judson Griffin, Mary Marks and Merle Lamon discussing conservation of natural resources.


Umumi̇ Maden Durumu Türki̇ye, - - Jan 1938

Umumi̇ Maden Durumu Türki̇ye, - -

Bulletin of the Mineral Research and Exploration

No abstract provided.


1937 De Dünya Madenci̇li̇ği̇, - - Jan 1938

1937 De Dünya Madenci̇li̇ği̇, - -

Bulletin of the Mineral Research and Exploration

No abstract provided.


A Geologi̇e Synopsi̇s And Status Of Oi̇l Exportati̇on İn Thrace, C. E. Taşman Jan 1938

A Geologi̇e Synopsi̇s And Status Of Oi̇l Exportati̇on İn Thrace, C. E. Taşman

Bulletin of the Mineral Research and Exploration

No abstract provided.


Etütler Trakya Jeoloji̇si̇ Hulâsasi İle Trakya Petrol Aramalari Durumu, Cevad Eyüp Taşman Jan 1938

Etütler Trakya Jeoloji̇si̇ Hulâsasi İle Trakya Petrol Aramalari Durumu, Cevad Eyüp Taşman

Bulletin of the Mineral Research and Exploration

No abstract provided.


Elaziğ Vi̇layeti̇ndeki̇ Krom Cevheri̇ Yataklari, Adolf Helke Jan 1938

Elaziğ Vi̇layeti̇ndeki̇ Krom Cevheri̇ Yataklari, Adolf Helke

Bulletin of the Mineral Research and Exploration

No abstract provided.


Di̇e Chromerzlagerstaetten Des Vi̇lâyets Elâziğ, Adolf Helke Jan 1938

Di̇e Chromerzlagerstaetten Des Vi̇lâyets Elâziğ, Adolf Helke

Bulletin of the Mineral Research and Exploration

No abstract provided.


Maden Yataklari İsti̇kşaf Ve Aramasinda Jeofi̇zi̇k Usulleri̇n Ve Bunlar Meyaninda Manyeti̇k Ve Gravi̇metri̇k Usulleri̇n Sureti̇ Tatbi̇ki̇ Hakkinda, - - Jan 1938

Maden Yataklari İsti̇kşaf Ve Aramasinda Jeofi̇zi̇k Usulleri̇n Ve Bunlar Meyaninda Manyeti̇k Ve Gravi̇metri̇k Usulleri̇n Sureti̇ Tatbi̇ki̇ Hakkinda, - -

Bulletin of the Mineral Research and Exploration

No abstract provided.