Journal of Technology back issues from June 2009:
Research from University of Melbourne has provided new information about science.
Jun 02, 2009 ... "Finding a delivery plan for cancer radiation treatment using multileaf collimators operating in ''step-and-shoot'' mode can be formulated mathematically as a problem of decomposing an integer matrix into a weighted sum of binary matrices having the consecutive-ones property and sometimes ...
New science research reported from California Institute of Technology.
Jun 02, 2009 ... According to recent research from the United States, "We report on near-infrared (IR) interferometric observations of the double-lined pre-main sequence binary system DQ Tau. We model these data with a visual orbit for DQ Tau supported by the spectroscopic orbit and analysis of Mathieu et ...
Study results from Feng Chia University update understanding of science.(Report)
Jun 02, 2009 ... According to recent research from Taichung, Taiwan, "In this paper, a new method for an improved image password lock system by tracing position information of the pupil is described. The present technology relates to an efficient auto-detecting function, and in particular, to ail image ...
Report summarizes science study findings from T. Amemiya and co-researchers.(Report)
Jun 02, 2009 ... "In this paper, we discuss the potential of force perception technologies for realizing hand-held devices in the field of social systems. We propose and develop an interactive force-sensation-based navigation system for waiters based on a force perception technology that we have proposed," ...
Reports by N. Denisova and co-researchers describe recent advances in science.(Report)
Jun 02, 2009 ... "In the last decade, the range of applications of various low-temperature plasma sources has steadily grown. New applications require development of advanced diagnostic methods to control plasma parameters," researchers in Russia report. "Computed tomography is a powerful method ...
Eindhoven University of Technology details research in science.(Report)
Jun 02, 2009 ... According to recent research published in the journal Personal and Ubiquitous Computing, "A recent focus is on creating engaging user experiences with digital products and services such as voicemail. This study aims to design towards increased levels of engagement in voicemail browsing by ...
New findings from Royal Melbourne Institute of Technology in the area of science described.(Report)
Jun 02, 2009 ... According to recent research from Australia, "The surface temperature distribution and thermo-elastic stress fields of an inhomogeneous coating system subjected to mixed Hertz pressure, tangential traction, and frictional heating are studied in this paper. The coating system consists of a ...
Study results from University of Bath provide new insights into science.(Report)
Jun 02, 2009 ... "The increasing popularity of mobile computing devices has allowed for new research and application areas," scientists writing in the journal Personal and Ubiquitous Computing report. "Specifically, urban areas exhibit an elevated concentration of such devices enabling potential ...
Research on liquid chromatography and related technologies described by scientists at Silesian University.
Jun 02, 2009 ... "We have shown, earlier, that profens, i.e., 2-arylpropionic acids can undergo oscillatory in vitro chiral conversion, exhibiting oscillatory changes in the chromatographic retention parameter (RF) and the specific rotation ([]D) for periods of up to two weeks after preparation of the ...
Studies from P. Schone and colleagues yield new information about life sciences.(Report)
Jun 02, 2009 ... According to a study from Oslo, Norway, "There is empirical evidence that suggests that both technology and new work practices are skill-biased. In this paper, we analyse whether they are also age-biased." "Does the introduction of new technology and new work practices reduce ...
Research from M. Daikoku and colleagues has provided new data on lightwave technology.(Report)
Jun 02, 2009 ... "Higher bit-rate transmission is attractive for improving network resource efficiency and reducing the complexity of network management in future transmission systems. However, chromatic dispersion and polarization mode dispersion (PMD) are one of the most serious impairments," scientists ...
Study data from University of Halle-Wittenberg update knowledge of metals.
Jun 02, 2009 ... According to recent research from Halle, Germany, "The bis(acetyl)-bridged complex [{Pt(COMe)(2)}(n)] (2) has been prepared from the platina-beta-di ketone [Pt-2{(COMe)(2)H)(2)(mu-Cl)(2)] (1) with hexamethyldisilazane. Reactions of complex 2 with the monodentate P and N donors PPh3, ...
Findings in vibration and acoustics reported from Technion.
Jun 02, 2009 ... According to recent research published in the Journal of Vibration and Acoustics - Transactions of the ASME, "A vibrating system is constructed such that its natural frequencies are exact integer multiples of a base frequency. This system requires little energy to produce a periodic motion ...
Studies from I. Andersson et al further understanding of dynamic systems.
Jun 02, 2009 ... "A model for the thermal part of an ionization signal is presented that connects the ionization current to cylinder pressure and temperature in a spark ignited internal combustion engine. One strength of the model is that, after calibration, it has only two free parameters: burn angle and ...
Studies from A. Tessler and colleagues provide new data on composite materials.
Jun 02, 2009 ... According to recent research from Turin, Italy, "A new refined theory for laminated composite and sandwich beams that contains the kinematics of the Timoshenko Beam Theory as a proper baseline subset is presented. This variationally consistent theory is derived from the virtual work ...
Study data from Beijing University of Technology update knowledge of electron devices.
Jun 02, 2009 ... According to a study from Beijing, People's Republic of China, "Scandia (Sc)-doped pressed cathodes were prepared by different methods, including mixing of scandium oxide and barium-calcium aluminates with tungsten by manual mechanical mixing, high-energy ball-milling, and liquid-liquid ...
Research reports from A. Ganczarski and co-authors provide new insights into thermal science.
Jun 02, 2009 ... According to recent research published in the Journal of Thermal Stresses, "This is a review paper on some irreversible thermodynamics-based constitutive models capable of capturing complex dissipative physical bahaviour in multifunctional innovative materials. The thermomechanical ...
New polycyclic aromatic compounds research from Middle East Technical University outlined.
Jun 02, 2009 ... According to a study from Ankara, Turkey, "(1, 4)cyclophanes having either two butadiene bridges, or a butadiene bridge and a cyclobutene ring or two cyclobutene rings at the bridge positions have been considered for restricted Hartree-Fock, MP2 and DFT (B3LYP/6-31G(d,p)) level type ...
New transportation technology study findings have been reported by researchers at Delft University of Technology.
Jun 02, 2009 ... According to recent research published in the journal Transportation Planning and Technology, "Urban form is often assumed to influence travel distance. However, as this is no travel choice in itself, but the consequence of other decisions, this paper tests, consistent with the ...
Scientists at University of London, Imperial College release new data on fluids engineering.
Jun 02, 2009 ... According to a study from London, the United Kingdom, "The effects of free-surface proximity on the flow field around tidal stream turbines are modelled using actuator disc theory. Theoretical results are presented for a blocked configuration of tidal stream turbines such as a linear array ...
Research from S.H. Kim and co-authors yields new data on manufacturing technology.
Jun 02, 2009 ... According to recent research from Seoul, South Korea, "This paper presents a method for deforming a surface model using guide surfaces. Two guide surfaces are given as references on which the surface model lies before and after deformation." "The proposed method consists of two ...
Researchers from Technion publish new studies and findings in the area of materials science.
Jun 02, 2009 ... According to recent research from Haifa, Israel, "We consider grain boundary diffusion in a polycrystal in which normal grain growth occurs simultaneously with diffusion. We assume that any point within the diffusion zone is swept a number of times by migrating grain boundaries, and ...
Studies by F. Adam and co-authors describe new findings in porous materials.
Jun 02, 2009 ... According to recent research from Malaysia, "Silica was extracted from rice husk (RH) and modified with ruthenium and amino benzoic acid. The catalysts RH-Ru and RH-Ru-A (incorporated with 5% of 4-(methylamino)benzoic acid) were synthesized from rice husk via solvent extraction and sol-gel ...
Recent findings in powder technology described by researchers from University of Cambridge.
Jun 02, 2009 ... "This work used two-dimensional small-angle X-ray scattering (2D-SAXS) to investigate the compaction behaviour of pre-gelatinised starch (PGS) and microcrystalline cellulose (MCC), which are commonly used as pharmaceutical excipients. By analysing azimuthal variations in scattering ...
Reports on superconductivity findings from D.N. Nguyen and co-researchers provide new insights.(Report)
Jun 02, 2009 ... According to recent research from the United States, "Some applications of high temperature superconducting conductors require a non-inductive winding, which may be constructed from antiparallel connected YBCO (yttrium barium copper oxide) tapes. In the case of AC applications, this ...
Reports by X.W. Yin and co-researchers describe recent advances in applied mechanics.
Jun 02, 2009 ... "Analytical expressions are derived for the vibration and far-field acoustic radiation from a fluid-loaded laminated composite plate, which is excited by three types of mechanical drives: point, line, and uniformly distributed forces in longitudinal and transverse directions," ...
New polymer research study findings have been reported from T. Kawai et al.
Jun 02, 2009 ... "The adsorption behavior and the differential heat of adsorption of chloroform were measured on various types of zeolite (faujasite, ZSM-5 and mordenite) with different Si/Al ratios. The results reveal that saturated adsorption is almost proportional to the micropore volume and is ...
Research on flavor research published by scientists at University of British Columbia.
Jun 02, 2009 ... "A novel protocol for the micropropagation of lavender plants (Lavandula angustifolia, cv ''Lavender Lady'') has been developed. Young leaves were sterilized, lacerated with a sharp razor blade and incubated in the dark on regeneration medium (MS basal salts) containing 9 mc M thidiazuron ...
Investigators at Marmara University publish new data on drying technology.
Jun 02, 2009 ... According to a study from Istanbul, Turkey, "One way to avoid the risk of condensation in a tunnel dryer for drying of green bricks is to use higher air flow rates. However, higher air flow rates accelerate the drying rate and thus cause damages." "It is necessary to determine ...
Research from University of Newcastle provides new data on plastics.(Report)
Jun 02, 2009 ... According to a study from the United Kingdom, "Sandwich materials, consisting of two thin, stiff facings separated by a low density core, can be used to produce structures that are both light and flexurally rigid. However, the optimisation of sandwich materials is not straightforward." ...
New heat transfer research study findings have been reported from K. Guedri et al.
Jun 02, 2009 ... According to recent research published in the journal Numerical Heat Transfer Part a - Applications, "A finite-volume radiation model for participating gray media in 2-D and 3-D complex rectangular enclosures with obstacles is developed. The step and the bounded high-order resolution ...
Investigators at Zhangzhou Normal University target purification technology.(Report)
Jun 02, 2009 ... "This study developed an effective combined UF-NF membrane system for ultrafiltering erythromycin fermentation broth and concentrating the filtrate to improve the downstream efficiency. Three membranes with MWCO of 100, 30 and 10 kDa respectively were tested for ultrafiltration work. 30 ...
Reports on ceramics findings from H. Miyazaki and co-researchers provide new insights.
Jun 02, 2009 ... "Nine kinds of silicon nitrides with different microstructures were fabricated by controlling both sintering conditions and amounts of sintering additives, Al2O3 and Y2O3. The wear behavior of the various Si3N4 ceramics was investigated in sliding contact test without lubricant," ...
Research from V. Issakov and colleagues has provided new data on circuit research.(Report)
Jun 02, 2009 ... "Accurate radiofrequency (RF) characterisation of on-chip or on-board devices often requires de-embedding to account for parallel and serial parasitics associated with bonding pads and interconnects. It is usually performed by well-known techniques such as Open-Short, Pad-Open-Short or ...
New adhesion science findings from F. Deplace and co-authors described.
Jun 02, 2009 ... According to a study from Paris, France, "The major objective of this article is to present recent advances in the methodology to fine tune the adhesive performance of a PSA. In addition to the so-called Dahlquist criterion requiring a low modulus, we propose two additional rheological ...
Research findings from T. Gichuhi et al update understanding of coatings technology.
Jun 02, 2009 ... According to a study from the United States, "Corrosion inhibitors provide an indispensable function to protective coatings. Heavy metal-based corrosion inhibitors were widely acclaimed as the best materials to provide corrosion protection to coatings." "The performance of a ...
Studies from J.H. Park and co-researchers update current data on magnetics.
Jun 02, 2009 ... According to recent research published in the Journal of Magnetism and Magnetic Materials, "An atomic-scale picture of the strain-mediated magnetoelectric (ME) coupling is delineated by carefully examining the effect of an applied electric field on the extended X-ray absorption. ne ...
New organic geochemistry study findings reported from K.A. Thorn and co-authors.
Jun 02, 2009 ... According to a study from the United States, "The naturally abundant nitrogen in soil and aquatic NOM samples from the International Humic Substances Society has been characterized by solid state CP/MAS N-15 NMR. Soil samples include humic and fulvic acids from the Elliot soil, Minnesota ...
Studies from Forschungszentrum Karlsruhe GmbH yield new data on electron spectroscopy.
Jun 02, 2009 ... "Clay-rich low-organic carbon formations (e.g., Callovo-Oxfordian argillite in France and Opalinus Clay in Switzerland) are considered as host rocks for radioactive waste disposal. The clay-organic carbon has a strong impact on the chemical stability of the clays," researchers in ...
HPTi is Finalist for Thirteen American Business Awards.
Jun 02, 2009 ... High Performance Technologies, Inc. (HPTi), a technology solutions company for the U.S. government, has been named a finalist for 13 categories in the American Business Awards. This is the third consecutive year that the mid-sized company has had 100% of its nominees accepted as finalists ...
Studies from A.O. Ogunbinu et al add new findings in the area of flavor research.
Jun 02, 2009 ... According to a study from Kaduna, Nigeria, "The compositions of the essential oils of the leaf and stem bark of Vernonia migeodii Moore (syn. Vernonia courtetii O. Hoffm. et Muschl.) revealed some qualitative and quantitative variation. The oils were isolated by hydrodistillation and ...
Reports outline electron devices study findings from University of California.
Jun 02, 2009 ... According to recent research from the United States, "A novel slow-wave vacuum electron device circuit, consisting of a half-period-staggered double-vane array and a high-aspect ratio sheet electron beam, has been conceived for a high-power wideband submillimeter-wave generation. A ...
Reports outline plasma science research from University of Freiburg.
Jun 02, 2009 ... "A novel plasma stamp has been developed allowing selective plasma treatment and coating of flat surfaces using dielectric barrier discharges at atmospheric pressure. The stamp consists of a flat carrier material covered with photoresist," scientists writing in the journal Plasma Processes ...
New lightwave technology research has been reported by scientists at Utsunomiya University.
Jun 02, 2009 ... "A new scheme for lensed fibers with a high focusing power is proposed," investigators in Utsunomiya, Japan report. "The new lensed fiber has a high-index layer coated (HILC) on a convex-shaped endface of a single-mode fiber (SMF). Numerical investigation shows that, by coating ...
Researchers from University of Kentucky report details of new studies and findings in the area of electron devices.(Report)
Jun 02, 2009 ... "Osmium-ruthenium (Os-Ru) films used as coatings for porous tungsten (W) dispenser cathodes were investigated in this study. By applying different levels of substrate biasing power during sputtering, the texture of deposited Os-Ru films varied between {0002}, {10-10}, and {10-11} in this ...
Scientists at Technical University detail research in flavor research.
Jun 02, 2009 ... "The essential oil from fruits of Phellodendron chinense C. K. Schneid. was analyzed by GC, GC/MS and H-1-NMR spectroscopy," investigators in Lodz, Poland report. "More than 90 compounds were identified," wrote A. Lis and colleagues, Technical University. The ...
QualiSystems Launches TestShell Studio at Interop.
Jun 02, 2009 ... QualiSystems, a leading provider of advanced test automation solutions, announced the launch of TestShell Studio, the innovative latest addition to the TestShell system, at Interop Las Vegas, May 19th - 21st, booth #1956. TestShell Studio is a unique user-friendly test creation ...
New findings reported from D. Schreiber and co-authors describe advances in manufacturing technology.
Jun 02, 2009 ... According to recent research from Vienna, Austria, "Arc welding is a widely used technology in almost all sectors of industrial production. Many task are automatically performed by robots." "This paper presents a flexible vision-based quality management system to detect defects ...
IGT's Innovative MultiPLAY Video Slot Approved in 38 Jurisdictions.
Jun 02, 2009 ... IGT (NYSE:IGT) announced that its MultiPLAY video slot has been approved and released in 38 jurisdictions including Nevada, California and Oklahoma, along with five additional pending jurisdictions. MultiPLAY video slots (www.IGT.com/multiplay) feature first-to-market innovation exclusive ...
Researchers at China University have published new data on dispersion science.
Jun 02, 2009 ... According to a study from Shanghai, People's Republic of China, "The characteristics of self-nanoemulsifying drug delivery system (SNEDDS) of Anethole trithione (ATT) for oral administration by the combined use of surfactants were investigated." "In combination with surfactants, ...
New lightwave technology research from University of Birmingham described.
Jun 02, 2009 ... According to recent research from Birmingham, the United Kingdom, "This paper proposes a novel incoherent optical code-division multiple-access (OCDMA) transceiver design, as a promising network access employing a newly introduced prime code family named as double-padded modified prime ...
Data on metals discussed by B. Hinterndorfer and colleagues.
Jun 02, 2009 ... "The fracture stresses of unnotched tensile specimens exhibit various temperature dependences. It is shown that such various dependences also occur in tensile tests on notched specimens," scientists in Vienna, Austria report. "For that purpose tests were performed between -140 ...
New materials science study findings have been reported from J. Imlau et al.
Jun 02, 2009 ... According to recent research published in the International Journal of Materials Research, "A study of the microstructural effects on the void initiation and crack growth in aluminium alloyed TRIP (transformation induced plasticity) steels has been conducted. Understanding of this ...
Reports on dynamic systems findings from S.F. Ali and co-researchers provide new insights.
Jun 02, 2009 ... According to a study from Bangalore, India, "Magnetorheological dampers are intrinsically nonlinear devices, which make the modeling and design of a suitable control algorithm an interesting and challenging task. To evaluate the potential of magnetorheological (MR) dampers in control ...
Reports on lightwave technology findings from C.C. Huang and co-researchers provide new insights.
Jun 02, 2009 ... "We propose a set of more efficient basis functions prolate spheroidal wave functions of order zero, comparing with the conventionally used Chebyshev polynomials expanding the optical fields in interior subdomains, to improve significantly the convergence rate of pseudospectral mode solver ...
Data on vibration and acoustics detailed by researchers at Nagoya University.(Report)
Jun 02, 2009 ... According to a study from Japan, "This study focuses on the vibration of the rotor supported by a repulsive-type passive magnetic bearing." "It evaluates the restoring force of a repulsive magnetic bearing numerically by considering the effects of magnetic anisotropies of the ...
Research on plastics detailed by scientists at Texas A&M University.
Jun 02, 2009 ... According to recent research published in the journal Plastics Rubber and Composites, "Damage mechanics is a well established field wherein analyses and methodologies are developed to provide bases for evaluation of materials response and for structural design." "Although this ...
Studies from Xidian University update current data on manufacturing technology.
Jun 02, 2009 ... According to a study from Xian, People's Republic of China, "A manufacturing grid workflow can be viewed as the composition of activities that execute on heterogeneous, distributed, and job-dependent resources in a virtual organization to accomplish a specific manufacturing goal ....
University of Cape Town reports research in applied mechanics.
Jun 02, 2009 ... According to recent research from South Africa, "This paper is Part II of a two-part article and presents the results of numerical simulations conducted to investigate the energy absorption characteristics of square tubes subjected to dynamic axial loading. Part I reports the experimental ...
Studies from University of Bath in the area of metals described.
Jun 02, 2009 ... "The first structurally authenticated organocadmium hydrazine and hydrazide complexes are reported. Reaction of CdMe2 with H2NN(CH2)(4)O in a 1:1 ratio forms the adduct [(Me2Cd)(3)(H2NN(CH2)(4)O)(2)](infinity) (1) below room temperature," scientists in Bath, the United Kingdom report. ...
Unified Communications Enables Virtual Science Park.
Jun 02, 2009 ... County Durham Development Company has created a 'virtual' science park in the form of NETPark Net http://www.uknetpark/net - this follows the success of the actual NETPark science, engineering and technology park in the North-East. Underpinning this virtual extension is the ...
The Classical Archives Launches the Ultimate Classical Music Destination.
Jun 02, 2009 ... The Classical Archives is about to bring online classical music shopping and listening into the 21st century! The Classical Archives - www.classicalarchives.com - goes live today as the ultimate destination for online classical music and a breakthrough in site navigation that will be ...
Amtrak Selects ExaDigm's XD2500 for Automation of Credit Card Acceptance for Onboard Ticket Sales.
Jun 02, 2009 ... ExaDigm, Inc., the leading innovator of wired, wireless and integrated payment solutions, announced that it has been selected by Amtrak to provide mobile wireless payment terminals enabling onboard acceptance, and real-time processing of, card-based payments for ticket sales. ...
LSI Multicore Media Processor Wins Network Products Guide Reader Trust Award for Best in Integrated Circuits Category.
Jun 02, 2009 ... INTEROP CONFERENCE -- LSI Corporation (NYSE:LSI) announced that its StarPro(R) SP2600 Media Processor family has been selected as the 2009 winner of the Network Products Guide Award in the Best Integrated Circuits category. LSI was the only silicon supplier recognized. This annual award ...
Studies from Anhui Normal University have provided new information about porous materials.
Jun 02, 2009 ... According to recent research from Wuhu, People's Republic of China, "Partially carbonized microtubes with inner and outer diameters of 1-1.25 mu m and 2-2.5 mu m, respectively, and length up to 2-3 cm, were prepared at a liquid interface at room temperature using paraformaldehyde as the ...