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Articles 2269501 - 2269530 of 5196952
Full-Text Articles in Entire DC Network
The Acoustical Properties Of Indonesian Hardwood Species, Lina Karlinasari, Hans Baihaqi, Akhiruddin Maddu
The Acoustical Properties Of Indonesian Hardwood Species, Lina Karlinasari, Hans Baihaqi, Akhiruddin Maddu
Makara Journal of Science
No abstract provided.
Murray Ledger And Times, August 25, 2012, Murray Ledger And Times
Murray Ledger And Times, August 25, 2012, Murray Ledger And Times
The Murray Ledger & Times
No abstract provided.
Deacon Marshall D. Mikell
African American Funeral Programs
Funeral Program for Deacon Marshall D. Mikell on Aug. 25, 2012 at Miller Grove Baptist Church
Synthesis And Antiplasmodial Activity Of 2-(4-Methoxyphenyl)-4-Phenyl-1,10- Phenanthroline Derivative Compounds, Ruslin Hadanu, Mustofa Mustofa, Nazudin Nazudin
Synthesis And Antiplasmodial Activity Of 2-(4-Methoxyphenyl)-4-Phenyl-1,10- Phenanthroline Derivative Compounds, Ruslin Hadanu, Mustofa Mustofa, Nazudin Nazudin
Makara Journal of Science
A unique of synthetic methods was employed to prepare 2-(4-methoxyphenyl)-4-phenyl-1,10-phenanthroline (5) derivatives from 4-methoxy-benzaldehyde (1), acetophenone (2), and 8-aminoquinoline (4) with aldol condensation and cyclization reactions. The derivatives were tested through antiplasmodial test. The synthesis of derivatives compound 5 was conducted in three steps. The 3-(4-methoxyphenyl)-1-phenylpropenone 3 was synthesized through aldol condensation of 1 and 2 which has a yield of 96.42%. The compound 5 was synthesized through cyclization of compound 4 and 3 with 84.55% yield. The derivative of compound 5 was synthesized from compound 5 using DMS and DES reagents which refluxed for 21 and 22 h, to …
X-Ray Diffraction Phase Analyses Of Mullite Derived From Rice Husk Silica, Simon Sembiring, Wasinton Simanjuntak
X-Ray Diffraction Phase Analyses Of Mullite Derived From Rice Husk Silica, Simon Sembiring, Wasinton Simanjuntak
Makara Journal of Science
X-ray Diffraction Phase Analyses of Mullite Derived from Rice Husk Silica
Non-Saponifiable Lipid Composition Of Four Salt-Secretor And Non-Secretor Mangrove Species From North Sumatra, Indonesia, Mohammad Basyuni, Lollie Lollie Putri, Julayha Julayha, Hirosuke Oku
Non-Saponifiable Lipid Composition Of Four Salt-Secretor And Non-Secretor Mangrove Species From North Sumatra, Indonesia, Mohammad Basyuni, Lollie Lollie Putri, Julayha Julayha, Hirosuke Oku
Makara Journal of Science
Non-saponifiable lipid (NSL) of the fresh leaves and roots from two salt-secretor mangrove species, namely Aegiceras corniculatum (L.) Blanco and Avicennia alba Bl. and two non-secretor mangroves, i.e. Acrostichum aureum L. and Excoecaria agallocha L. was analyzed with special emphasize to triterpenoids and phytosterols. Identification of the triterpenoids and phytosterols was confirmed by comparison of their retention time on the GC column with those of authentic standards and on the interpretation of GC-MS spectra. Triterpenoids and phytosterols comprised the major proportion of NSL. The triterpenoids and phytosterols mainly consisted of 7 and 4 compounds. Triterpenoids were the largest constituent of …
Sintering Temperature And Deposition Orientation Effects On Mechanical, Physical Properties And Geometric Distortion Of Cu–Ni Single And Multi Material Indirect Sintering Products, Susilo Adi Widyanto, Eko Sutarto
Sintering Temperature And Deposition Orientation Effects On Mechanical, Physical Properties And Geometric Distortion Of Cu–Ni Single And Multi Material Indirect Sintering Products, Susilo Adi Widyanto, Eko Sutarto
Makara Journal of Science
Development of multi material mechanical parts is constantly undertaken to increase functional aspectsas well as life cycle. One example is the use of bimaterial which is widely used as a temperature contactor. This paper presents mechanical, physical properties and geometric distortion of Cu-Ni indirect sintering products used to develop Cu-Ni bimaterial products. The experiment was executed with the following method: firstly, Cu and/or Ni powders were deposited into cast iron powder as the supporting powder. Secondly, it was heated in a furnace with varying temperatures of 870 C, 900 C and 930 C with a holding time of four hours. …
Antihypertensive Effect Of Brucea Javanica (L.) Merr. Fruit Extract, Anna P. Roswiem, Bambang Kiranadi, Trias Sanjaya Putra Bachtiar
Antihypertensive Effect Of Brucea Javanica (L.) Merr. Fruit Extract, Anna P. Roswiem, Bambang Kiranadi, Trias Sanjaya Putra Bachtiar
Makara Journal of Science
No abstract provided.
The Partition Function Of The Bose-Einstein Condensation In Parabolic Trap, Teguh Budi Prayitno, Sinta Latifa
The Partition Function Of The Bose-Einstein Condensation In Parabolic Trap, Teguh Budi Prayitno, Sinta Latifa
Makara Journal of Science
We have discussed the partition function of the Bose-Einstein condensation in parabolic trap associated to the one dimensional Gross-Pitaevskii equation. The partition function itself is constructed by considering all the energy levels of the macroscopic quantum oscillator which is similar to statistical mechanics. The solutions of the energy levels for this case can be derived by pursuing the method that applies the time-independent perturbation theory. In this case, the one-dimensional Gross Pitaevskii equation can be treated as the one-dimensional macroscopic quantum oscillator on condition that the nonlinearity is very small. Moreover, the analytical expression for the ground state energy can …
Physiological Responses Of Jatropha To Drought Stress In Coastal Sandy Land Conditions, I Gusti Made Arya Parwata, Didik Indradewa, Prapto Yudono, Rukmini Kusmarwiyah
Physiological Responses Of Jatropha To Drought Stress In Coastal Sandy Land Conditions, I Gusti Made Arya Parwata, Didik Indradewa, Prapto Yudono, Rukmini Kusmarwiyah
Makara Journal of Science
Jatropha curcas L., an important tropical biofuel crop, is reputed for its drought resistance, however, its ability to perform in dry conditions has still hardly been investigated. Changes in leaf water status, chlorophyll content, leaf surface temperature, stomatal conductance, proline and abcisic acid (ABA) content, transpiration and photosynthetic rate were studied in four Jatropha genotypes (IP-1A, IP-2M, Local superior and Yellow leaf) and subjected to drought stress in coastal sandy land conditions in Central Java, Indonesia. Drought stress significantly decreased the leaf water status, leaf chlorophyll content, stomatal conductance, transpiration and photosynthetic rate, and increased leaf temperature, proline and ABA …
Preparation Of Sulfonated Pva-Tmsp Membranes For Direct Methanol Fuel Cell, Haryadi Haryadi, Riniati Riniati, Sofiatun Anisa
Preparation Of Sulfonated Pva-Tmsp Membranes For Direct Methanol Fuel Cell, Haryadi Haryadi, Riniati Riniati, Sofiatun Anisa
Makara Journal of Science
No abstract provided.
Humility, Civility, And Vitality: Papal Leadership At The Turn Of The Seventh Century, Peter Iver Kaufman
Humility, Civility, And Vitality: Papal Leadership At The Turn Of The Seventh Century, Peter Iver Kaufman
Jepson School of Leadership Studies articles, book chapters and other publications
In 416, Bishop Innocent I of Rome sent a colleague in Gubbio what was to become one of the most important set of liturgical instructions in early Christendom. Innocent composed his remarks on, inter alia, penitential discipline and prescribed gestures during the administration of the Sacraments to deter other bishops and their priests from improvising. He claimed that bishops of Rome, as successors of St. Peter, had the responsibility to authenticate ritual observances and achieve uniformity in Italy and elsewhere. Churches could not be left to alter or surrender valued practices because presiding priests or bishops thought them superfluous or …
Kenyon Collegian - August 25, 2012
Gpsa Council Meeting, 8/25/2012, Graduate And Professional Student Association
Gpsa Council Meeting, 8/25/2012, Graduate And Professional Student Association
GPSA Meeting Agendas and Minutes
No abstract provided.
The Importance Of Case Studies For Lis Education, Tony Horava, Bill Curran
The Importance Of Case Studies For Lis Education, Tony Horava, Bill Curran
Library Philosophy and Practice (e-journal)
As the curriculum and methods of LIS education are evolving to meet new expectations, the case study methodology is an important pedagogical tool to strengthen the skills of students. The educational theory of John Dewey and with the management theory of Henry Mintzberg are provided as foundational context. There is significant value in this methodology in regards to adult learning characteristics such as active learning and incorporation of the student's life experience in problem-solving and scenario analysis. The core competencies expected of librarians, as referenced in the statements of various professional associations such as the ALA and SLA, can be …
Book Reviews, Criticism Editors
Book Reviews, Criticism Editors
Criticism
Dryden's Poetry (Earl Miner) (Reviewed by J. A. Levine, University of Rochester)Quests Surd and Absurd: Essays in American Literature (James E. Miller, Jr.) (Reviewed by William C. Spengemann, Claremont Graduate School)Language as Symbolic Action; Essays on Life, Literature, and Method (Kenneth Burke) (Reviewed by Daniel Hughes, Wayne State University)The Picaresque Novel (Stuart Miller) (Reviewed by Philip Stevick, Temple University)Literature and the Delinquent: The Picaresque Novel in Spain and Europe 1599-1753 (Alexander A. Parker) (Reviewed by Philip Stevick, Temple University)The Fictions of Satire (Ronald Paulson) (Reviewed by George R. Levine, State University of New York at …
Book Reviews, Criticism Editors
Book Reviews, Criticism Editors
Criticism
Mark Twain as Critic (Sydney J. Krause) (Reviewed by William C. Spengemann, Claremont Graduate School)Pater's Portraits: Mythic Patterns in the Fiction of Walter Patterns (Gerald C. Monsman) (Reviewed by Jan B. Gordon, State University of New York at Buffalo)Transcendentalism and Its Legacy (Myron Simon and Thornton H. Parsons) (Reviewed by Alexander C. Kern, University of Iowa)Restoration Tragedy: Form and the Process of Change (Eric Rothstein) (Reviewed by Michael Porte, University of Cincinnati)Kindred Spirits: Knickerbocker Writers and American Artists, 1807-18SS (James T. Callow) (Reviewed by Clive Bush, University of Warwick, Conventry, England)The Strategy of Truth, A …
Book Reviews, Criticism Editors
Book Reviews, Criticism Editors
Criticism
The Novels of Flaubert: A Study of Themes and Techniques (Victor Brombert) (Reviewed by Germaine Brée, Institute for Research in the Humanities, Madison, Wisconsin)The Portraits of Alexander Pope (William Kurtz Wimsatt) (Reviewed by Benjamin Boyce, )Validity in Interpretation (E. D. Hirsch) (Reviewed by William H. Gass, Purdue University)Ford Madox Ford and the "Transatlantic Review" (Bernard J. Polio) (Reviewed by William Wasserstrom, Syracuse University)Experiments in Life: George Eliot's Quest for Values (Bernard J. Paris) (Reviewed by Arthur C. Young, Russell Sage College)The English Lyric from Wyatt to Donne: A History of the Plain and Eloquent Styles …
Definition Of Common Conventions For Education Of Cfs System Design, Semih Göksel Yıldırım
Definition Of Common Conventions For Education Of Cfs System Design, Semih Göksel Yıldırım
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
CFS system of which can be used in the field of low rise residentials, are included in industrialised building systems due to installation principles of the system. Widespreading of the usage of an industrialised building system depends on the widespreading of the system design datum. Therefore, education of CFS system design is required in order to increase the system usage. Also, awareness of CFS system in the levels of public authorities and technical staff can be increased by education. The aim of this paper is to develop an education model for CFS system design by using open building concept. The …
Numerical And Experimental Investigation Of Cold-Formed Steel Double Angle Members Under Compression, W. F. Maia, L. C. M. Vieira Jr., B. W. Schafer, M. Malite
Numerical And Experimental Investigation Of Cold-Formed Steel Double Angle Members Under Compression, W. F. Maia, L. C. M. Vieira Jr., B. W. Schafer, M. Malite
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
This paper presents a numerical and experimental study of double angle members connected by batten plates under concentric and eccentric axial compression. The number of batten plates is varied to study the influence on the nominal axial strength. Numerical analyses are able to accurately predict the behavior and strength found in the experiments, except for long columns under eccentric axial compression where the composite section failed in major-axis flexural buckling. Two design hypotheses are compared to the results obtained: (i) non-composite action (no interaction between angles), with only local, flexural, and flexural-torsional buckling considered; (ii) composite action (full interaction between …
The 1st Student Competition On Cold-Formed Steel Design, Cheng Yu, Cristopher Moen
The 1st Student Competition On Cold-Formed Steel Design, Cheng Yu, Cristopher Moen
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
The first Student Competition on Cold-Formed Steel Design (CFS Competition) was held at the University of North Texas in 2011. The CFS Competition was initiated by Cheng Yu through a National Science Foundation CAREER award. The objective of the CFS Competition is to promote higher education in coldformed steel structural design and to encourage students to use creative thinking skills to solve engineering problems. The subject of the first CFS Competition is to design an optimal thin-walled cold-formed steel cross section under several pre-defined restrictions. The CFS Completion received total 78 entries from students in 5 different countries. The judging …
Towards The Design Of Cold-Formed Steel Foam Sandwich Columns, S. Szyniszewski, B. H. Smith, V. M. Zeinoddini, J. F. Hajjar, S. R. Arwade, B. W. Schafer
Towards The Design Of Cold-Formed Steel Foam Sandwich Columns, S. Szyniszewski, B. H. Smith, V. M. Zeinoddini, J. F. Hajjar, S. R. Arwade, B. W. Schafer
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
In this paper a design method for the compressive capacity of sandwich panels comprised of steel face sheets and foamed steel cores is derived and verified. Foamed steel, literally steel with internal voids, provides the potential to mitigate many local stability issues through increasing the effective width-to thickness of the component for the same amount of material. Winter’s classical effective width expression was generalized to the case of steel foam sandwich panels. The provided analytical expressions are verified with finite element simulations employing brick elements that explicitly model the steel face sheets and steel foam cores. The closed-form design expressions …
Dynamic Time-History Analysis On Wind-Induced Response Of Light-Weight Roof System, X. K. Jing, Y. Q. Li, D. J. Gong
Dynamic Time-History Analysis On Wind-Induced Response Of Light-Weight Roof System, X. K. Jing, Y. Q. Li, D. J. Gong
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
Severe damage to light-weight roof system occur when exposed to strong wind loading. Damage investigations and wind load-bearing capacity tests of light-weight roof system reveal that the connection damage of roof sheeting and fastener is the most serious. Wind pressure distributions on the roof of gabled steel frame measured in a wind tunnel are described. Secondly, illustrated by the example of the classic standing-lock roof system, the wind-induced forces for the concealed clips estimated by the building code and time-history analysis based on wind tunnel test, respectively, are compared. The results indicate that the uniform gust factor used in the …
Experimental Analysis Of Beam-To-Upright Connections In Cold-Formed Steel Storage Pallet Racks, Tuo Wang, Xianzhong Zhao, Yiyi Chen
Experimental Analysis Of Beam-To-Upright Connections In Cold-Formed Steel Storage Pallet Racks, Tuo Wang, Xianzhong Zhao, Yiyi Chen
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
A research program is currently in progress at Department of Building Engineering of Tongji University with the aim of investigating the behavior of cold-formed steel storage pallet racks under static and dynamic loading. This paper presents preliminary experimental analysis on the monotonic behavior of beam-to-upright connections. In the experimentation, the set-up was specially designed to accommodate precise requirement of boundary conditions and the measurement method was refined from the general ones used in rack design codes. It is shown that deformation modes of the connections were similar before failure while the failure modes were different depending on the specific constructional …
Experimental And Numerical Investigations Of High Strength Cold-Formed Lapped Z Purlins Under Combined Bending And Shear, Cao Hung Pham, Annabel F. Davis, Bonney R. Emmett
Experimental And Numerical Investigations Of High Strength Cold-Formed Lapped Z Purlins Under Combined Bending And Shear, Cao Hung Pham, Annabel F. Davis, Bonney R. Emmett
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
Plain C or Z- sections are two of the most common cold-formed steel purlins in use for roof systems throughout the world. Especially for Z- sections, their lapping ability provides continuity and double thickness material at the support regions results in greater performance and more economical designs. At the region just outside the end of the lap, the purlin may fail under a combination of high bending and shear. Design methods for these sections are normally specified in the Australian/New Zealand Standard for Cold-Formed Steel Structures (AS/NZS 4600:2005) or the North American Specification for Cold- Formed Steel Structural Members (2007). …
Mechanisms Of Block Shear Failure Of Bolted Connections, Lip H. Teh, Drew D. A. Clements
Mechanisms Of Block Shear Failure Of Bolted Connections, Lip H. Teh, Drew D. A. Clements
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
This paper examines the mechanisms for block shear failure postulated in the design provisions specified in the North American Specification for the Design of Cold-formed Steel Structural Members 2007 and AS/NZS 4600:2005 Coldformed Steel Structures. It explains that there is only one feasible mechanism for the limit state of conventional block shear failure, that which involves shear yielding and tensile rupture. It proposes an equation that provides more accurate results compared to the code equations in predicting the block shear capacities of bolted connections in steels having minimal strain hardening. A resistance factor of 0.8 for the proposed equation is …
Studies On Bracing Member End Connections For Cold Formed Steel Sections, R. P. Rokade, N. Prasad Rao, R. Balagopal, S. J. Mohan
Studies On Bracing Member End Connections For Cold Formed Steel Sections, R. P. Rokade, N. Prasad Rao, R. Balagopal, S. J. Mohan
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
This paper is concentrated mainly on the behaviour of bracing end connections for cold formed steel lipped angle and lipped channel sections. For bracing members, only one flange is possible to connect with tower leg member or supporting member, which causes uneven distribution of stresses in the end section popularly known as shear lag effect. Tension tests have been carried out to simulate the bracing end connections. Special test rig has been assembled and end fittings fabricated such that the load will be applied as concentric load at the pulling end and on the other end load is transferred through …
Permanent Stability Bracing Of Cfs Trusses, Sowri Rajan, William L. Babich
Permanent Stability Bracing Of Cfs Trusses, Sowri Rajan, William L. Babich
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
Permanent stability bracing of Cold-Formed Steel (CFS) roof/floor trusses is needed for the three major planes in a truss: Top chord, Bottom Chord and Web. Primary function of bracing is to prevent lateral instability of members as well as stiffen the overall roof/floor system. Brace force is dependent on the magnitude of applied loads and the level of out-of-planeness permitted. Traditionally, 2% of the axial compression force in a member is used as the brace (restraint) force, which is based on an out-of-plane deflection of L/200 where L is the member length. Continuous Lateral Restraint (CLR) forces are accumulated from …
Steel Cold-Formed Trussed Girders With Joint Eccentricities - Improvements On Design And Performance By Numerical And Experimental Analysis, Eduardo De M. Batista, Alexandre Landesmann, Juarez M. Franco
Steel Cold-Formed Trussed Girders With Joint Eccentricities - Improvements On Design And Performance By Numerical And Experimental Analysis, Eduardo De M. Batista, Alexandre Landesmann, Juarez M. Franco
CCFSS Proceedings of International Specialty Conference on Cold-Formed Steel Structures (1971 - 2018)
Long span light roof systems of industrial buildings are frequently designed with cold-formed steel members, leading to competitive solution which allows liberating useful internal space inside the building. This type of structural solution is usually cost saving if it is combined with standardization of the manufacturing process thus enabling specialized solution. This is the case of a family of trussed girders ranging from 0.6 to 1.8 m depth, developed by the steel structures manufacturer and addressed to a standard system for general application enabling to bridge up to 40 m span of light roof construction. Typical buckling behavior of the …