7,342 Matching Results

Search Results

Determination of Abraham model solute descriptors for the monomeric and dimeric forms of trans-cinnamic acid using measured solubilities from the Open Notebook Science Challenge

Description: Article on the determination of Abraham model solute descriptors for the monomeric and dimeric forms of trans-cinnamic acid using measured solubilities from the Open Notebook Science Challenge.
Date: September 25, 2014
Creator: Bradley, Jean-Claude; Abraham, M. H. (Michael H.); Acree, William E. (William Eugene); Lang, Andrew S. I. D.; Beck, Samantha N.; Bulger, David A. et al.
Partner: UNT College of Arts and Sciences

Predicting Abraham model solvent coefficients

Description: Article on predicting Abraham model solvent coefficients.
Date: October 10, 2014
Creator: Bradley, Jean-Claude; Abraham, M. H. (Michael H.); Acree, William E. (William Eugene) & Lang, Andrew S. I. D.
Partner: UNT College of Arts and Sciences

Enhancing Access to E-books

Description: Article on a study of enhancing access to e-books.
Date: September 30, 2014
Creator: Harker, Karen & Sassen, Catherine
Partner: UNT Libraries

Methyl jasmonate and yeast elicitor induce differential transcriptional and metabolic re-programming in cell suspension cultures of the model legume Medicago truncatula

Description: Article on methyl jasmonate and yeast elicitor induce differential transcriptional and metabolic re-programming in cell suspension cultures of the model legume Medicago truncatula.
Date: March 1, 2005
Creator: Suzuki, Hideyuki; Reddy, M. S. Srinivasa; Naoumkina, Marina A.; Aziz, Naveed; May, Gregory D.; Huhman, David et al.
Partner: UNT College of Arts and Sciences

Basaltic volcanic episodes of the Yucca Mountain region

Description: The purpose of this paper is to summarize briefly the distribution and geologic characteristics of basaltic volcanism in the Yucca Mountain region during the last 10--12 Ma. This interval largely postdates the major period of silicic volcanism and coincides with and postdates the timing of major extensional faulting in the region. Field and geochronologic data for the basaltic rocks define two distinct episodes. The patterns in the volume and spatial distribution of these basaltic volcanic episodes in the central and southern part of the SNVF are used as a basis for forecasting potential future volcanic activity in vicinity of Yucca Mountain. 33 refs., 2 figs.
Date: March 1, 1990
Creator: Crowe, B.M.
Partner: UNT Libraries Government Documents Department

Status of the first batch of niobium resonator production for the New Delhi booster linac.

Description: This paper reports the status and details of the costs of construction of niobium superconducting resonant cavities for a linear accelerator, presently being built as a booster for the 15 UD tandem Pelletron accelerator at the Nuclear Science Centre, New Delhi. The linear accelerator will have three cryostat modules, each holding eight quarter-wave resonators. Construction of a batch of ten resonators for the linac started at Argonne National Laboratory in May 1997. For production, all fabrication and all electron beam welding is being done through commercial vendors. Details of construction and present status of the project are presented.
Date: March 16, 1999
Creator: Potukuchi, P. N.
Partner: UNT Libraries Government Documents Department

Surface layer expansion due to proton insertion during reduction of RuO{sub 2}(100) single crystal electrodes.

Description: Ruthenium dioxide has received much interest due to its nearly ideal properties for use as the active material in ultracapacitors. Ultracapacitors,a new type of energy storage device, share similarities to both conventional capacitors in that energy is stored by separation of charge and to batteries where charge is stored in chemical reactions. The chemical charge storage mechanism is referred to as pseudo-capacitance, as the Faradaic charge is distributed relatively even across a large portion of the operating voltage range. This property, which is unlike most reversible electrochemical reactions, results in charge-discharge curves for these materials being very similar to a capacitor. Despite many conventional studies of these materials, much is not known about the electrochemical reactions and the structural aspects of the reactions. The goal of our study is to investigate the modification of the surface structure accompanied by the pseudo-capacitance reactions on RuO{sub 2} electrodes. In order to study the surface structure, we performed x-ray diffraction rod measurements on single crystal surfaces. RuO{sub 2} single crystals were grown by open-flow chemical transport method with the evaporation temperature of 1350 C and the oxygen flow of 60 cc/min. These samples were analyzed in-situ in a solution of 0.5 M H{sub 2}SO{sub 4} under potential control using a conventional three-electrode potentiostat configuration. X-ray measurements were carried out at National Synchrotron Light Source (X6B, X10A, and X25A) and Advanced Photon Source (12BM) using focused optics.
Date: March 29, 1999
Creator: Chu, Y. S.; Lister, T. E.; You, H.; Tanzer, J.; Mitchell, J.; Yonco, R. et al.
Partner: UNT Libraries Government Documents Department

Cold war historic properties of the 21st Space Wing Air Force Space Command

Description: A Legacy-funded inventory and evaluation of facilities dating to the Cold War era was conducted for the USAF 21{sup ST} Space Wing (AFSPC). The mission of the Wing includes early warning of missile launches and detection and tracking of space objects. The political and military strategic context for these facilities was developed through an overview of Cold War history, subdivided into four major periods: (1) origins of the conflict, (2) confrontation and crisis, (3) sustained superpower balance based on mutual deterrence, and (4) renewed confrontation and collapse of the Soviet Union. The enormous importance of early warning systems in maintaining the balance of power between the USA and the Soviet Union is discussed in more detail as a subset of the general context of the Cold War history to provide additional background for evaluating the 21{sup ST} Space Wing systems. In addition, a history of each installation was prepared and placed in the context of the broader history of the Cold War. For instance, the effort to develop a credible nuclear threat in the early 1950s is represented by the construction of Thule AB as a forward bomber base in 1951. The growing concern with a Soviet ICBM threat in the late 1950s is reflected in the construction of BMEWS at Thule AB and Clear AS during 1958-1961. Development of an antiballistic missile (ABM) system, subsequently abandoned during the 1970s, is represented by the Safeguard System at Cavalier AS. The U.S. response to the Soviet submarine-launched missile capability during the 1970s is embodied in the deployment of phased-array radar systems to cover the ocean flanks of North America at Cape Cod AS (and later at Eldorado AS). The establishment of AFSPC at Peterson AFB in 1982 reflects the increased strategic importance of space in the later phases of the Cold ...
Date: March 1, 1996
Creator: Hoffecker, J.F.; Whorton, M. & Buechler, C.R.
Partner: UNT Libraries Government Documents Department