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Articles 11731 - 11760 of 13207
Full-Text Articles in Entire DC Network
Missouri S&T Magazine, October 1968, Miner Alumni Association
Missouri S&T Magazine, October 1968, Miner Alumni Association
Missouri S&T Magazine
No abstract provided.
Design Recommendations For Diaphragm-Braced Beams, Columns And Wall-Studs, T. V. S. R. Apparao, George Winter, S. J. Errera
Design Recommendations For Diaphragm-Braced Beams, Columns And Wall-Studs, T. V. S. R. Apparao, George Winter, S. J. Errera
CCFSS Library (1939 - present)
INTRODUCTION Light gage steel panels are often used as wall sheathing, roof decking or floor covering in steel framed buildings. These panels carry loads normal to their plane by virtue of their bending strength. Also, diaphragms formed by interconnecting such panels can resist shear deformation in their plane. Because of this shear resisting capacity, diaphragms can be very effective in bracing columns and beams of a steel frame against lateral buckling and, thus, increase the load carrying capacity of these members. For wall columns, such diaphragm bracing may be either directly attached or connected to girts which in turn are …
Modified Phase Representation And Effects Of Inelasticity In N/D Calculation Of P-Wave Pion-Pion Scattering, Barbara N. Hale, Arnold Tubis
Modified Phase Representation And Effects Of Inelasticity In N/D Calculation Of P-Wave Pion-Pion Scattering, Barbara N. Hale, Arnold Tubis
Physics Faculty Research & Creative Works
An N/D formalism based on a modified phase representation is used to study the effects of inelasticity on the ρ-wave pion-pion amplitude. The effects of high-energy inelasticity are introduced in terms of the assumed behavior of the high-energy phase (not phase shift) of the partial-wave amplitude. Using a ρ-exchange input force with the experimental ρ mass and a ρ width of about 100 MeV, and the assumption that the average phase is (1/2)π, for total c.m. energies greater than about 8Mπ, we find that there is no appreciable reduction in the width of the calculated ρ-wave resonance. We …
The Missouri Miner, September 18, 1968
The Missouri Miner, September 18, 1968
The Missouri Miner Newspaper
No abstract provided.
Critical Assessment Of The Polarized-Orbital Method In Atomic Scattering, Marvin H. Mittleman, Jerry Peacher
Critical Assessment Of The Polarized-Orbital Method In Atomic Scattering, Marvin H. Mittleman, Jerry Peacher
Physics Faculty Research & Creative Works
The method of polarized orbitals used in calculating electron-atom scattering amplitudes has two obvious flaws: the wave function is discontinuous, and the method is not variationally based. These are corrected in a somewhat arbitrary manner, and it is found that the results then depend upon a parameter of the theory sufficiently strongly that there are serious doubts about the predictive nature of the theory.
Modified Dispersion Relations And Π Π Scattering, David J. George, Barbara N. Hale, Arnold Tubis
Modified Dispersion Relations And Π Π Scattering, David J. George, Barbara N. Hale, Arnold Tubis
Physics Faculty Research & Creative Works
The ππ S-wave scattering-length predictions of Weinberg have been tested by using dispersion sum rules for the infinite-energy cross section. Reasonable agreement is obtained with the infinite-energy cross section (≈15 mb) estimated from the factorization theorem for the Pomeranchon Regge residues. Experimental phase-shift data of Gutay et al., Walker et al., and Baton et al. are used in estimating the dispersion integrals. The analysis seems to rule out an I = 0 S-wave scattering length ⪞0.4μ-1.
Missouri S&T Magazine, June 1968, Miner Alumni Association
Missouri S&T Magazine, June 1968, Miner Alumni Association
Missouri S&T Magazine
No abstract provided.
The Missouri Miner, May 17, 1968
The Missouri Miner, May 10, 1968
The Missouri Miner, May 03, 1968
The Missouri Miner, April 26, 1968
The Atlantic Continental Margin, Bruce C. Heezen
The Atlantic Continental Margin, Bruce C. Heezen
UMR Journal -- V. H. McNutt Colloquium Series
Turbidity currents, surface, and subsurface currents carry detritus from the land across the continental shelf to the adjacent continental slope where slumps and turbidity currents transport the sediment downslope for hundreds of miles to greater depths, and deep geostrophic contour currents transport it thousands of miles down-current in a direction parallel to the bathymetric contours. The combined effect of these processes has been to create a wide, thick, geosynclinal apron of sediment at the base of the continental slope.
Subsidence of the continental shelf has continued since mid-Mesozoic, carrying down Lower Cretaceous reefal limestones to depths of 5,000 meters off …
Major Structures Of The Rocky Mountains Of Colorado And Utah, A. J. Eardley
Major Structures Of The Rocky Mountains Of Colorado And Utah, A. J. Eardley
UMR Journal -- V. H. McNutt Colloquium Series
This paper describes the major structures of Colorado and Utah and presents a theory of origin based on new knowledge of the layering and constitution of the upper mantle and lower crust. It proposes that the Ancestral Rockies and the more modem ones of Cretaceous and early Tertiary age of both the shelf of Colorado and eastern Utah and the miogeosyncline of western Utah are the result of vertical uplifts of the silicic crust. The uplifts are caused by the rise, from the upper mantle, of basalt in scattered places to the base of the silicic crust. This rise domed …
Tectonic Framework Of The Great Basin, Ralph J. Roberts
Tectonic Framework Of The Great Basin, Ralph J. Roberts
UMR Journal -- V. H. McNutt Colloquium Series
The Great Basin is bordered on the west by the Sierra Nevada and on the east by the Colorado Plateau and Rocky Mountains. These tectonically different provinces are genetically related; basin and range structure evolved as part of the tectonic development of western North America.
The Precambrian framework here is not well known, but northeasterly geosynclinal trends, east- west orogenic trends, and northwesterly fracture zones can be projected from the craton or inferred.
Sedimentation in the Cordilleran orthogeosyncline from Cambrian to Devonian time was characterized by an eastern miogeosynclinal (carbonate) and a western eugeosynclinal (siliceous and volcanic) assemblage. In latest …
Geologic Structure And History Of The Sierra Nevada, Paul C. Bateman
Geologic Structure And History Of The Sierra Nevada, Paul C. Bateman
UMR Journal -- V. H. McNutt Colloquium Series
The Sierra Nevada is a huge block of the earth’s crust that has broken free on the east and has been tilted westward. It is composed chiefly of Mesozoic granitic rocks and Paleozoic and Mesozoic metamorphosed sedimentary and volcanic rocks. The granitic rocks constitute the Sierra Nevada batholith, which is part of a more or less continuous belt of plutonic rocks that extends northward from Baja California through the Sierra Nevada at a small angle to the axis of the range and into western Nevada. The batholith is localized in the axial region of a complexly faulted synclinorium. It is …
Profile Of The Folded Appalachians Of West Virginia, Byron N. Cooper
Profile Of The Folded Appalachians Of West Virginia, Byron N. Cooper
UMR Journal -- V. H. McNutt Colloquium Series
The Appalachian folded belt of southwestern Virginia exemplifies most of the structural and stratigraphic features that are considered typical of the Appalachians as a whole. The folded belt which is only 36 miles wide along the valley course of New River is generally well-defined on the southeast by the western foothills of the Blue Ridge and on the northwest side by a sharp structural front beyond which the beds are relatively gently folded.
Despite the fact that Paleozoic shelf successions of the Central Interior region are known to have controlled the thickness and facies of sedimentary formations within them and …
Associative Detachment: H+Hˉ→₂*+E, Joseph C.Y. Chen, Jerry Peacher
Associative Detachment: H+Hˉ→₂*+E, Joseph C.Y. Chen, Jerry Peacher
Physics Faculty Research & Creative Works
The process of associative detachment in the (H,H-) collision system is investigated at energies below 12 eV. In this energy region, the interaction potential between H and H- has recently been determined. The energy dependence of the cross section is calculated with explicit allowance for the production of "hot" hydrogen molecules. It is observed that associative detachment provides a possible mechanism for generating an inverted population of the residual molecule such as H2.
Structural Behavior Of Small-Scale Steel Models, William A. Litle, David C. Foster, Duke Oakes, Philip A. Falcone, Richard B. Reimer
Structural Behavior Of Small-Scale Steel Models, William A. Litle, David C. Foster, Duke Oakes, Philip A. Falcone, Richard B. Reimer
CCFSS Library (1939 - present)
No abstract provided.
Preface, Paul Dean Proctor
Preface, Paul Dean Proctor
UMR Journal -- V. H. McNutt Colloquium Series
The distinguished authors of these tectonic studies, which span the United States from the Atlantic continental shelf margin to the Pacific coast, need no introduction to the geologic profession. Each was selected as a participant in the V. H. McNutt-Geology Department Colloquium because of his intimate knowledge and thorough research on the tectonic development of the area on which he reports. The authors publicly presented their papers during the Spring of 1966 on the campus of the University of Missouri at Rolla (formerly University of Missouri School of Mines and Metallurgy). The colloquium volume is unique in that such a …
Tectonic History Of Midcontinental United States, Frank G. Snyder
Tectonic History Of Midcontinental United States, Frank G. Snyder
UMR Journal -- V. H. McNutt Colloquium Series
Metasediments of Middle Precambrian, and possibly some of earlier age, form an arcuate trending belt across Missouri, Kansas, and Nebraska. These were intruded by granites of several ages that appear to be part of a continuous wave of Late Precambrfan igneous activity. Late Precambrian events that can be delineated include, besides the igneous activity and formation of iron deposits, development of a Keweenawan basin that extended from Lake Superior into eastern Kansas; igneous activity and metamorphism of Grenville age in the eastern Midcontinent; development of a major fault lineament extending northeastward from northeast Arkansas into the Canadian shield outcrop area …
Umr Journal: A Coast To Coast Tectonic Study Of The United States, University Of Missouri--Rolla
Umr Journal: A Coast To Coast Tectonic Study Of The United States, University Of Missouri--Rolla
UMR Journal -- V. H. McNutt Colloquium Series
The UMR Journal publishes scholarly papers of scientific research and humanistic studies. These publications are distributed from Rolla, Missouri, as exchanges to scientific and humanistic institutions and libraries throughout the world.
The California Coast Ranges, John C. Crowell
The California Coast Ranges, John C. Crowell
UMR Journal -- V. H. McNutt Colloquium Series
Western California between the 37th and 40th parallels is part of an active mobile orogenic belt in which sedimentation, deformation, volcanism, and plutonism have been intimately associated since the mid-Mesozoic. At present, the region is still undergoing folding and warping as shown by data from geodetic triangulation networks and geomorphology, and several major high-angle fault zones are seismically active. These faults continue to acquire displacement both suddenly during earthquakes and slowly by gentle creep with no recordable shocks. Pleistocene beds and terraces at places are steeply warped. Strong deformation occurred during the late Pliocene and early Pleistocene. Most of the …
New Superconvergent Dispersion Relations For The Forward Πn Crossing-Even Amplitude, David J. George, Barbara N. Hale, Arnold Tubis
New Superconvergent Dispersion Relations For The Forward Πn Crossing-Even Amplitude, David J. George, Barbara N. Hale, Arnold Tubis
Physics Faculty Research & Creative Works
A Liu-Okubo-type dispersion relation is derived for the crossing-even pion-nucleon forward elastic scattering amplitude T(+). Two subtractions are made, one at the physical scattering threshold and the other at a previously determined zero of T(+) on the imaginary axis of the complex ω (pion lab energy) plane. The dispersion relation is well satisfied over the whole allowed range of the Liu-Okubo parameter. Moreover, it is nearly saturated by low-energy scattering for a considerable range of the parameter. It should thus serve as an extremely sensitive test of the low-energy scattering data when such data become more accurately …
The Missouri Miner, March 15, 1968 -- Special St. Pat's Edition, St. Pat's 1968
The Missouri Miner, March 15, 1968 -- Special St. Pat's Edition, St. Pat's 1968
The Missouri Miner Newspaper
No abstract provided.
The Missouri Miner, March 08, 1968
Interaction Potential Between The Ground States Of H And Hˉ, Joseph C.Y. Chen, Jerry Peacher
Interaction Potential Between The Ground States Of H And Hˉ, Joseph C.Y. Chen, Jerry Peacher
Physics Faculty Research & Creative Works
An investigation of the interaction potential for H and H- in both ungerade and gerade modes is carried out by a semiempirical method in which the recently observed isotope effect in dissociative attachment of electrons to hydrogen molecules is used. The interaction obtained is complex, and the imaginary parts of the interaction account for electron emissions during the course of the interaction. A comparison of the present result with other calculations is presented. The isotope effect in dissociative attachment is also discussed. It is shown that the ratios of the survival probabilities alone do not provide an adequate approximation …
The Missouri Miner, February 09, 1968
The Missouri Miner, February 09, 1968
The Missouri Miner Newspaper
No abstract provided.
Missouri S&T Magazine, February 1968, Miner Alumni Association
Missouri S&T Magazine, February 1968, Miner Alumni Association
Missouri S&T Magazine
No abstract provided.
Rings Of Continuous Functions On Open Convex Subsets Of R, Lyle E. Pursell
Rings Of Continuous Functions On Open Convex Subsets Of R, Lyle E. Pursell
Mathematics and Statistics Faculty Research & Creative Works
No abstract provided.
The Rollamo 1968, University Of Missouri - Rolla