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Articles 3181 - 3210 of 3218
Full-Text Articles in Entire DC Network
Hydraulics Of Waste Stabilization Ponds And Its Influence On Treatment Efficiency, Kenneth A. Mangelson
Hydraulics Of Waste Stabilization Ponds And Its Influence On Treatment Efficiency, Kenneth A. Mangelson
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
The treatment efficiency of waste stabilization ponds depends on many factors, the most important of which are generally presumed to be the biological factors such as the type of waste and the organic loading. However, the biological activity in a pond is greatly influenced by the environmental conditions of temperature, wind, sunlight, and the hydraulic flow patterns. In the past little attention has been given to the hydraulic characteristics of waste stabilization ponds. Specifically, little consideration has been given to the gross flow patterns within stabilization ponds as affected by the shape of the pond or lagoon, the presence of …
12th Annual Rocky Mountain Spectroscopy Conference
12th Annual Rocky Mountain Spectroscopy Conference
Rocky Mountain Conference on Magnetic Resonance
Program and abstracts from the 12th annual meeting of the Rocky Mountain Spectroscopy Conference, sponsored by the Rocky Mountain Section of the Society for Applied Spectroscopy. Held in Denver, Colorado, August 3-4, 1970.
A Study Of The Aerobic Treatment Characteristics Of The Raffinates From A Reverse Osmosis Waste Water Reclamation Plant., Joseph Charles Jennett
A Study Of The Aerobic Treatment Characteristics Of The Raffinates From A Reverse Osmosis Waste Water Reclamation Plant., Joseph Charles Jennett
Civil Engineering ETDs
Water Supply
In the United States today the problem of pollution of our surface water is an ever increasing one. Conventional processes of treating waste water are approaching their effective limit in removing pollutants. Both the population and the per capita consumption of water are increasing. More and more often the idea of complete water reclamation is coming under consideration.
Criteria For Planning A Mobile Home Park Development In Rural Areas, Richard Euguene Sharp
Criteria For Planning A Mobile Home Park Development In Rural Areas, Richard Euguene Sharp
Masters Theses
"The object of this study was to determine the possibility of developing a mobile home park as a partial solution to the problem of inadequate housing in rural communities. The investigation involved the study of modern mobile homes and mobile home parks, mobile home dwellers, and the social and economic aspects of mobile home living. It was suggested that a properly designed and managed mobile home park can provide a satisfactory location for the placement of mobile homes. The small down payment and low monthly payments associated with purchasing a mobile home, along with the inherent mobility of mobile home …
Housing Pigs, P Mcnamara
Housing Pigs, P Mcnamara
Journal of the Department of Agriculture, Western Australia, Series 4
THERE are many designs for pig houses and much will depend on individual circumstances which is best in any particular case.
Chemical Precipitation Of Phosphorous With Sodium Aluminate And Alum In The Activated Sludge Aeration Chamber, Richard Charles Vedder
Chemical Precipitation Of Phosphorous With Sodium Aluminate And Alum In The Activated Sludge Aeration Chamber, Richard Charles Vedder
Masters Theses
"The purpose of this investigation was to study the removal of phosphorus by chemical precipitation with sodium aluminate and alum in the activated sludge aeration chamber, and determine the effect of the aluminum to phosphorus ratio and the mixed liquor suspended solids concentration on the phosphorus removal efficiency and the effect of the precipitants on the removal of organic pollutants in the activated sludge process. The studies were conducted on settled domestic sewage in three bench-scale continuous flow activated sludge units supplemented with jar tests. Major parameters employed included influent and effluent total phosphorus and chemical oxygen demand (COD), mixed …
W.A. Dairying : Progress In 42 Years, Maurice C. Cullity
W.A. Dairying : Progress In 42 Years, Maurice C. Cullity
Journal of the Department of Agriculture, Western Australia, Series 4
From hardship and elementary standards, West Australian dairying has developed into a consolidated industry with larger herds, increased output and high quality production.
The changes he has seen are reviewed by Mr. M. Cullity who retired last month from the position of Chief of the Division of Dairying, after 42 years of service to the industry.
THE history of Western Australia's dairying industry has been a story of struggle against hardship, marketing problems and adverse criticism.
In spite of this the industry has steadily grown and greatly improved its efficiency.
9th Annual Meeting Rocky Mountain Spectroscopy Conference
9th Annual Meeting Rocky Mountain Spectroscopy Conference
Rocky Mountain Conference on Magnetic Resonance
Program and abstracts from the 9th annual meeting of the Rocky Mountain Spectroscopy Conference, sponsored by the Rocky Mountain Section of the Society for Applied Spectroscopy. Held in Denver, Colorado, August 7-8, 1967.
Groundwater Development In Arid Basins, Dean F. Peterson Jr., Harold E. Thomas, J H. Feth, P. H. Mcgauhey, James H. Milligan, Wayne D. Criddle, Judge Lewis Jones, Dallin W. Jensen, Calvin G. Clyde, Bartell C. Jensen, C. E. Jacob, Jay R. Bingham, E. O. Larson
Groundwater Development In Arid Basins, Dean F. Peterson Jr., Harold E. Thomas, J H. Feth, P. H. Mcgauhey, James H. Milligan, Wayne D. Criddle, Judge Lewis Jones, Dallin W. Jensen, Calvin G. Clyde, Bartell C. Jensen, C. E. Jacob, Jay R. Bingham, E. O. Larson
Reports
Summary: Groundwater development frequently provides a means whereby tremendous new economic opportunities are opened up. If supplies are overdrawn (mined) the ensuing regional economy may be able to affort replacements from more costly sources. In the United States the Salt River Valley of Arizona and the valleys of California provide examples. Two cases are treated in this paper, Israel and West Pakistan. In Israel, besides furnishing more than half of the basic source of water suppply, groundwater development provides opportunity for both quantity and quality management, which makes possible use of surface supplies and reclaimed sewage as firm rather than …
Weed Control In Roadside Plantings : Progress Report, Frederick O. Lanphear, Ronald L. Spangler
Weed Control In Roadside Plantings : Progress Report, Frederick O. Lanphear, Ronald L. Spangler
JTRP Technical Reports
No abstract provided.
A Model System For The Investigation Of The Effect Of Soil Particles On The Microbial Decomposition Of Herbicides : Progress Report, Walter Joseph Farmer
A Model System For The Investigation Of The Effect Of Soil Particles On The Microbial Decomposition Of Herbicides : Progress Report, Walter Joseph Farmer
JTRP Technical Reports
No abstract provided.
A Core Sampler For Silage, A L. Hamilton
A Core Sampler For Silage, A L. Hamilton
Journal of the Department of Agriculture, Western Australia, Series 4
FOR five years now the Dairy Division of the Department of Agriculture has conducted a silage competition on behalf of the Australian Dairy Produce Board Pasture Improvement Committee.
The competition is for farmers in the Southwest dairying districts and has attracted an increasing number of entries each year.
Farm Dams In The Wheatbelt, J E. Watson
Farm Dams In The Wheatbelt, J E. Watson
Journal of the Department of Agriculture, Western Australia, Series 4
MANY new farm dams are sunk each year in the wheatbelt and much money is spent on them.
With continued development of new land, and increasing stock carrying capacity of older land under legume pastures, the need for more water supplies will continue for a long time.
The Removal Of Abs From Tap Water Solutions And Sewage Plant Effluents At Various Air Rates Using Continuous Foam Flotation., Ratan F. Daboo
The Removal Of Abs From Tap Water Solutions And Sewage Plant Effluents At Various Air Rates Using Continuous Foam Flotation., Ratan F. Daboo
Masters Theses
"This investigation was performed to study the removal of Alkyl Benzene Sulfonate (ABS) from tap water solutions and sewage treatment plant effluents by continuous foam flotation and to determine the effect of the air flow rate on the removal.
A flotation cell provided with controlled air and liquid flow rates was used for the continuous process. Air flow rates between zero and 29.4 cubic feet per hour were investigated. A liquid feed flow rate of 120 milliliters per minute was used for most of the experiments with one run made at 60 milliliters per minute. The liquid samples were analyzed …
The Construction And Evaluation Of A Small Scale Laboratory Fermentor For Batch And Continuous Studies., Robert Murray Logan
The Construction And Evaluation Of A Small Scale Laboratory Fermentor For Batch And Continuous Studies., Robert Murray Logan
Masters Theses
"The purpose or this investigation was to design and construct a suitable apparatus for the aerobic culture or microorganisms to be used for preliminary batch studies and eventually, continuous fermentations.
The general design of the apparatus was patterned after small scale equipment described in the literature. Construction or the apparatus was carried out in the shop of the Department of Chemical Engineering and Chemistry. All of the necessary machining was done by the author.
The aeration-agitation system was evaluated by the use or the sulfite oxidation rate determination. The oxygen transfer rate provided by the apparatus was round to be …
A Factual Report On Annexation For The Metropolitan Area Of Jacksonville, Florida, Junius Elmore Dovell, Arthur W. Smith
A Factual Report On Annexation For The Metropolitan Area Of Jacksonville, Florida, Junius Elmore Dovell, Arthur W. Smith
Arthur N. Sollee, Sr. Textual Materials
Factual report with handwritten annotations, contains letter of transmittal from Dovell and Smith, Consultants, to Mayor Haydon Burns and Council President Brad Tredinnick, Members of the City Council and the City Commission, City of Jacksonville
Water Requirements For Waterfowl Areas Near The Great Salt Lake Parts V-Vi, J. E. Christainsen, Ming Chang Tsai, D. K. Kaushik, J. B. Law, J. W. Teeter
Water Requirements For Waterfowl Areas Near The Great Salt Lake Parts V-Vi, J. E. Christainsen, Ming Chang Tsai, D. K. Kaushik, J. B. Law, J. W. Teeter
Reports
This report reviews activities on this project since the Progress Report, Part IV, June 1961.
The summer of 1961 has been one of the driest on record for Ogden Bay and Howard Slough Refuge. The extreme shortage of irrigation water has resulted in very little flow in the Howard Slough which originates from return flow. The available water from the Weber River for the Ogden Bay Refuge was also the lowest on record. The scarcity of water at these two refuges has resulted in increased salinity.
Most of the routine work on the project during the summer was done by …
Plan For Quality In Silage, Department Of Agriculture, Western Australia
Plan For Quality In Silage, Department Of Agriculture, Western Australia
Journal of the Department of Agriculture, Western Australia, Series 4
SILAGE making time is fast approaching in the South-West.
Last minute preparations before harvesting will help avoid delays at the time of making this valuable fodder, thereby reducing the amount of costly spoilage caused by hold-ups.
Statement Of Quartermaster Intelligence Interest, Office Of The Quartermaster General, Department Of The Army, Robert L. Bolin
Statement Of Quartermaster Intelligence Interest, Office Of The Quartermaster General, Department Of The Army, Robert L. Bolin
United States Department of Defense Military Intelligence
According to the forward, the “Statement of Intelligence Interest reflects the over-all interest of the Office of the Quartermaster General in intelligence data and is intended as an aid to persons engaged in the collection, processing, and dissemination of Intelligence. “
In 1960, the Quartermaster Corps was one of the technical services of the Department of the Army. The Army technical services were bureaus providing the Army with supplies, equipment, training, and services. Each was headed by a chief. The Quartermaster General was the chief of the Quartermaster Corps. The Quartermaster Corps was responsible for the procurement, storage, and distribution …
Statement Of Quartermaster Intelligence Interest, August 1960, Office Of The Quartermaster General, Department Of The Army, Robert Bolin , Depositor
Statement Of Quartermaster Intelligence Interest, August 1960, Office Of The Quartermaster General, Department Of The Army, Robert Bolin , Depositor
United States Department of Defense Military Intelligence
According to the forward, the “Statement of Intelligence Interest reflects the over-all interest of the Office of the Quartermaster General in intelligence data and is intended as an aid to persons engaged in the collection, processing, and dissemination of Intelligence. “
In 1960, the Quartermaster Corps was one of the technical services of the Department of the Army. The Army technical services were bureaus providing the Army with supplies, equipment, training, and services. Each was headed by a chief. The Quartermaster General was the chief of the Quartermaster Corps. The Quartermaster Corps was responsible for the procurement, storage, and distribution …
Help Those Lambs To Live, C J. Spencer
Help Those Lambs To Live, C J. Spencer
Journal of the Department of Agriculture, Western Australia, Series 4
IN almost all breeding flocks the most serious stage of sheep loss is from birth to three days of age with the majority of these losses occurring at birth or during the first day.
The number of lambs lost at this time is rarely known, but survey work shows that on most properties ten to twenty of every hundred lambs born are dead before three days of age.
The economic importance of such losses cannot be emphasised too much. Money has been expended for rams as sires, while the ewes have received extra feed and have had their wool production …
Space Focus, Space Enterprises, Inc.
Space Journal, Vol. 2, No. 2, December 1959, Space Enterprises, Inc.
Space Journal, Vol. 2, No. 2, December 1959, Space Enterprises, Inc.
Space Journal
No abstract provided.
A Search For The Space Man's Food, Robert G. Tischer
A Search For The Space Man's Food, Robert G. Tischer
Space Journal
No abstract provided.
Special Text, St 10-120-1, Quartermaster Intelligence: Organization And Procedures, December 1959, Robert Bolin , Depositor
Special Text, St 10-120-1, Quartermaster Intelligence: Organization And Procedures, December 1959, Robert Bolin , Depositor
United States Department of Defense Military Intelligence
This is a textbook used at the Army Quartermaster School. In the 1950s, military schools related to one of the Army Technical Services were run by that service. Since the format and content of Army field manuals were often very similar to those of special texts, the same staffs often prepared both
The modern US Army vision of the technical intelligence developed during World War II. Shortly before World War II, Army Technical Services had been instructed to set up intelligence sections in the offices of their chiefs. The technical services were bureaus which supplied weapons, equipment, and services to …
Operational Characteristics Of A Small Sewage Oxidation Lagoon, Karlheinz C. Muhlbauer
Operational Characteristics Of A Small Sewage Oxidation Lagoon, Karlheinz C. Muhlbauer
Masters Theses
"With the rapidly increasing population in the United States the adequate disposal of sewage has become one of the major technical problems which the sanitary engineer has to solve. In most areas it is no longer acceptable practice to discharge domestic sewage or industrial waste products directly into streams or lakes because of the resulting pollution of the water, which may later be used for drinking or recreational purposes. Many larger cities have, therefore, adopted some method of sewage treatment which renders such wastes safe and unobjectionable before they are discharged into a lake or stream. Most of these methods …
Composting Coffee Waste, Lawrence James Hickey
Composting Coffee Waste, Lawrence James Hickey
Theses
Disposal of waste, and specifically organic waste, has become a serious problem in such industries as the canning, meat-packing, dairy and other food producing industries. Recently, with the introduction of instant coffee powder, this particular industry now has a waste disposal problem with the resultant coffee residue. Composting or biologically decomposing this waste to yield an organic fertilizer is one of the many ways to solve this problem.
There are no papers in the literature concerning composting of coffee waste and only one paper (65) is available covering studies of high rate composting of garbage and refuse. It is known …
A Study Of A Synthesis Of Indole, Stephen Scala
A Study Of A Synthesis Of Indole, Stephen Scala
Theses
Chemical literature abounds with methods for the synthesis of Indole and its derivatives. Undoubtedly, this is so, because Indole is the parent substance of the historical dyestuff Indigo. This coloring material has been the subject of extensive investigations for many centuries. Early in this century, importance was still placed on Indole Chemistry, but it later gore way to other dyestuffs having different chemical structures. It seems, however, the loss in popularity was to have been short-lived, because of the revitalized interest shown in the chemistry of Indoles since the early 1930's.
It was found that a great number of alkaloids …
Action Of Diatoms On Clay, Joseph Harvey Renfrew
Action Of Diatoms On Clay, Joseph Harvey Renfrew
Masters Theses
"With the recent trend toward the use of higher temperatures and more severe service conditions in the metallurgical and refractories industries there has developed a constantly greater demand for high-alumina clays, that is, clays in which the alumina content is considerably above that of pure kaolinite, Alâ‚‚O₃2SiO₂·Hâ‚‚O. However, the known reserves of good diaspors are so small that ceramic engineers are already turning to basic refractories in order to have sufficient materials for work at high temperatures. Even the slightest reflection on the needs of the refractories industry will show that such substitutions are strictly limited, and possible only where …
Yeast From Citrus Waste Syrup For Stock Feed : ǂB Ethyl Cellulose Lacquers For Plastic Coating And Ethyl Cellulose Automotive Lacquers., Walter Zabban 1922-1999
Yeast From Citrus Waste Syrup For Stock Feed : ǂB Ethyl Cellulose Lacquers For Plastic Coating And Ethyl Cellulose Automotive Lacquers., Walter Zabban 1922-1999
Electronic Theses and Dissertations
No abstract provided.