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Articles 116041 - 116070 of 116130
Full-Text Articles in Entire DC Network
Inversion Applied To The Common Equations Of The Conic Sections, Edna Maria Cargill
Inversion Applied To The Common Equations Of The Conic Sections, Edna Maria Cargill
Student and Lippitt Prize Essays
A solution of applying inversion to the mathematic equation of conic sections, beginning with a definition of inversion and statement of the problem.
Windbreaks, Fred W. Card
Windbreaks, Fred W. Card
Nebraska Agricultural Experiment Station: Historical Research Bulletins
Includes the results of a survey of farmers in Nebraska, New York, Michigan, and a few other places, regarding the purpose and value of windbreaks.
Bulletin No. 48 - Alfalfa Or Lucern: Its Chemical Life History, John A. Widtsoe
Bulletin No. 48 - Alfalfa Or Lucern: Its Chemical Life History, John A. Widtsoe
UAES Bulletins
No abstract provided.
Bulletin No. 47 - The Climate Of Utah, James Dryden
Bulletin No. 47 - The Climate Of Utah, James Dryden
UAES Bulletins
In reporting the meteorological observations of the Station for the years 1895 and 1896, it has been thought well to include for purposes of comparison records of temperature and precipitation at several other Utah points, as well as other data of climatological importance. The bringing together of all the known facts of our climate is a work of necessity that has been too long neglected. Observers have been patiently collecting data, some of them for a quarter of a century or more, and of the mass that has been collected very little is known outside of the periodical records of …
Some Contributions Of Pure Math To Science, Herbert B.E. Case
Some Contributions Of Pure Math To Science, Herbert B.E. Case
Student and Lippitt Prize Essays
An examination of the connection between math and science through discoveries in the subjects of astronomy, mechanics, physics and chemistry.
Iron And Its Value, Archie F. Grunnell
Iron And Its Value, Archie F. Grunnell
Student and Lippitt Prize Essays
Argument for iron being the most important metal by reviewing its history and general uses.
Petroleum, Charles F. Kenyon
Petroleum, Charles F. Kenyon
Student and Lippitt Prize Essays
Explores the strengths and weaknesses of origin theories of petroleum while also discussing the chemistry and process of producing oil in the United States.
Bulletin No. 46 - Earthen Dams, Samuel Fortier
Bulletin No. 46 - Earthen Dams, Samuel Fortier
UAES Bulletins
According to the last census, 92 1/2 per cent of the Utah farms are irrigated. The advancement of agriculture in this State mainly depends upon the water, the available supply of which, in many of the older settled localities of the State, is already wholly utilized during the irrigation period. The future reclamation of new lands in such localities must, therefore, wait on the development of new sources of supply from storage reservoirs, sub-surface supplies, or from a more economical use of the summer flow of the available streams.
From estimates and measurements made by the hydrographers. of the United …
The Rainfall Of Nebraska, G. D. Swezey, George A. Loveland
The Rainfall Of Nebraska, G. D. Swezey, George A. Loveland
Nebraska Agricultural Experiment Station: Historical Research Bulletins
Covers the rainfall in Nebraska with respect to farming.
Includes:
Character of the precipitation
Amount of precipitation
Rainfall of the growing season
Number of rainy days
Variability of rainfall
Progressive changes in the rainfall
Monthly precipitation of all stations and locations in Nebraska from the earliest years to 1895
Average precipitation for Nebraska from the earliest years through 1895
Charts of normal precipitation--weekly, monthly, and annual
Report Of The Geologist, Erwin Hinckley Barbour
Report Of The Geologist, Erwin Hinckley Barbour
Department of Earth and Atmospheric Sciences: Faculty Publications
THE PROBLEM OF OUR SOILS AND SOIL MOISTURE.
The soil survey of the state, which was begun by the author in November of 1892, has progressed to the point where it might be considered finished. That is, one or more samples of soils have been taken from every distinct soil region in the state-in fact, most of the separate counties are represented, and mechanical analyses of many of these have already been made. However, in consideration of the size of our counties, the work will not be declared complete until each is represented in the state museum by soil prisms …
A Two-Headed Tortoise, Erwin Hinckley Barbour
A Two-Headed Tortoise, Erwin Hinckley Barbour
Department of Earth and Atmospheric Sciences: Faculty Publications
INQUIRIES from various quarters have been made so repeatedly for the sequel to the brief story of a young two-headed tortoise, Chrysemys picta, published in the American Journal of Science for October, 1888, that the author is led to believe that a public account thereof will serve more useful ends than many private ones. In order that the sequel may be more intelligible to all, a brief resume of the first paper will be given.
The young tortoise, hatched but a day or so, was found in the marshes bordering West River, New Haven, Conn. The carapace, which was somewhat …
The Conservation Of Soil Moisture By Means Of Subsoil Plowing, T. L. Lyon
The Conservation Of Soil Moisture By Means Of Subsoil Plowing, T. L. Lyon
Nebraska Agricultural Experiment Station: Historical Research Bulletins
Covers the conservation of soil moisture by means of subsoil plowing.
Bulletin No. 38 - Preliminary Report On Seepage Water And The Underflow Of Rivers, Samuel Fortier
Bulletin No. 38 - Preliminary Report On Seepage Water And The Underflow Of Rivers, Samuel Fortier
UAES Bulletins
Into a box holding one cubic foot, or seven and one-half gallons of dry sand, one can usually pour from two to three gallons of water without causing any overflow. If the particles of sand were of the same size and cubical in form, they could be packed into a solid mass; and a cubic foot, instead of weighing about 100 pounds--the average weight of dry quartz sand--would then weigh about 165 pounds. But sand grains are irregular in form, and come in contact with adjacent grains only at particular points, thus enclosing spaces or voids, which in dry sand …
Water Supply In Nebraska, O. V. P. Stout
Water Supply In Nebraska, O. V. P. Stout
Nebraska Agricultural Experiment Station: Historical Research Bulletins
Covers the water supply and irrigation with respect to farming in Nebraska in 1894.
Comets And Meteors, Lincoln N. Oatley
Comets And Meteors, Lincoln N. Oatley
Student and Lippitt Prize Essays
Defines and describes named comets and meteor events and their scientific study.
Notice Of The Occurrence Of Nyctale Richardsoni, Richardson's Owl, In Nebraska, Erwin Hinckley Barbour
Notice Of The Occurrence Of Nyctale Richardsoni, Richardson's Owl, In Nebraska, Erwin Hinckley Barbour
Department of Earth and Atmospheric Sciences: Faculty Publications
THE occurrence in this region of Richardson's owl, Nyctale Richardsoni, seems to be entirely established by the recent capture of one in Lincoln. This is a long distance below its southern limit, and its appearance is something of a surprise.
The Winnebago County (Iowa) Meteorites, George F. Kunz, Erwin Hinckley Barbour, Joseph Torrey Jr.
The Winnebago County (Iowa) Meteorites, George F. Kunz, Erwin Hinckley Barbour, Joseph Torrey Jr.
Department of Earth and Atmospheric Sciences: Faculty Publications
A remarkable meteor, or meteoric shower, passed over this State at 5.30 P.M., Friday, May 2. In spite of the brightness of the sun, shining at the time in a nearly cloudless sky, the light of the meteor was very noticeable. Its great size, powerful illumination, discharge of sparks, comet-like tail three to five degrees in length, and the great train of smoke which marked its course for a full ten minutes after its passage, made a strong and lasting impression on the minds of all who saw it. Unfortunately the clamor over an exciting game of ball prevented the …
Kentucky Fossil Shells: A Monograph Of The Fossil Shells Of The Silurian And Devonian Rocks Of Kentucky, Henry Nettelroth
Kentucky Fossil Shells: A Monograph Of The Fossil Shells Of The Silurian And Devonian Rocks Of Kentucky, Henry Nettelroth
Report of Investigations--KGS
A thoroughly researched and meticulously illustrated volume with 36 lithographed plate illustrations of various fossil shells.
Analyses Of Water Used In A Boiler Employed For Heating In A Public Building In St. Peter, Minn., J. A. Dodge
Analyses Of Water Used In A Boiler Employed For Heating In A Public Building In St. Peter, Minn., J. A. Dodge
Journal of the Minnesota Academy of Science
No abstract provided.
Notes Of A Geological Excursion Into Central Wisconsin, C. W. Hall
Notes Of A Geological Excursion Into Central Wisconsin, C. W. Hall
Journal of the Minnesota Academy of Science
No abstract provided.
An Account Of The Tornado Which Visited Saint Cloud, Minnesota, April 14, 1886, C. W. Hall
An Account Of The Tornado Which Visited Saint Cloud, Minnesota, April 14, 1886, C. W. Hall
Journal of the Minnesota Academy of Science
No abstract provided.
The Water Of The Mississippi River, James A. Dodge
The Water Of The Mississippi River, James A. Dodge
Journal of the Minnesota Academy of Science
No abstract provided.
Changes In The Currents Of The Ice Of The Last Glacial Epoch In Eastern Minnesota, Warren Upham
Changes In The Currents Of The Ice Of The Last Glacial Epoch In Eastern Minnesota, Warren Upham
Journal of the Minnesota Academy of Science
No abstract provided.
Report Of The Section Of Mineralogy, N. H. Winchell
Report Of The Section Of Mineralogy, N. H. Winchell
Journal of the Minnesota Academy of Science
No abstract provided.
Kentucky Fossil Corals: A Monograph Of The Fossil Corals Of The Silurian And Devonian Rocks Of Kentucky, William Davis
Kentucky Fossil Corals: A Monograph Of The Fossil Corals Of The Silurian And Devonian Rocks Of Kentucky, William Davis
Report of Investigations--KGS
"In Two Parts, Part II" but Part I was never published. Contains descriptions and 139 plates reproducing photographs of fossil corals from around Kentucky.
Ua96/1 Eleventh Annual Catalogue Of The Southern Normal School & Business College, Southern Normal School
Ua96/1 Eleventh Annual Catalogue Of The Southern Normal School & Business College, Southern Normal School
WKU Administration Documents
Catalog outlining the history and mission of the Southern Normal School & Business College along with the courses offered. The catalog also includes a list of teachers and alumni.
Natural Sciences In The Public Schools, A. F. Bechdolt
Natural Sciences In The Public Schools, A. F. Bechdolt
Journal of the Minnesota Academy of Science
No abstract provided.
Some Impurities In Drinking Water, George Weitbrecht
Some Impurities In Drinking Water, George Weitbrecht
Journal of the Minnesota Academy of Science
The more we know about the causes of disease the more we are convinced that many of the ills that flesh is heir to come to us through germs that are transmitted through the air we breath, the water we drink and the food we eat. You are all familiar with the westward march of cholera among men and epizooty among animals. In surgical operations the danger is not from the operation, but from germs which are in the air and which get into the body through the wound, producing surgical fever, etc. Since Lester used the carbolic acid spray …
Influence Of Geological Structure On History In The United States, A. F. Bechdolt
Influence Of Geological Structure On History In The United States, A. F. Bechdolt
Journal of the Minnesota Academy of Science
No abstract provided.