Journal of Technology back issues from March 2009:
Reports from L. Soto and co-researchers add new data to research in science.
Mar 03, 2009 ... "The Plasma Physics and Plasma Technology Group of the Chilean Nuclear Energy Commission (CCHEN) has, since about ten years ago, used plasma production devices to study dense hot plasmas, particularly Z-pinches and plasma foci (PFs). In the case of Z-pinches, the studies include studies on ...
Data from R.K. Lawrence et al provide new insights into science.
Mar 03, 2009 ... "Heavy ion and proton single event upset (SEU) testing has been conducted on static random access memories (SRAM) from two commercial 90 nm technology nodes custom manufactured on epitaxial substrates. The SRAMs were from the same manufacturer; however, the SRAMs utilized two different 90 ...
New lightwave technology study findings have been reported by P.J. Winzer and co-researchers.
Mar 03, 2009 ... According to a study from the United States, "We discuss the generation, detection, and long-haul transmission of single-polarization differential quadrature phase shift keying (DQPSK) signals at a line rate of 53.5 Gbaud to support a net information bit rate of 100 Gb/s. In the ...
Studies in the area of ultrasonic research reported from B. Jadidian and co-researchers.
Mar 03, 2009 ... According to a study from the United States, "This paper presents the fabrication and characterization of single-element ultrasonic transducers whose active elements are made of lead-free piezoceramic, 1-3 PZT/polymer composite and PVDF film. The lead free piezoelectric KNN-LT-LS ...
Studies from M. Jabareen and colleagues yield new information about mechanics of materials and structures.
Mar 03, 2009 ... According to a study from Zurich, Switzerland, "A generalized form for the strain energy of inhomogeneous deformations is developed for a 3-D brick Cosserat Point Element (CPE) which includes full coupling of bending and torsional modes of deformation." "The constitutive ...
New food technology study findings recently were reported by S. Hamels and co-researchers.(Report)
Mar 03, 2009 ... According to recent research from Namur, Belgium, "A new method to screen and to identify genetically modified organisms (GMO) is presented in this paper. It is based on the detection of multiple genetic elements common to GMO by their amplification via PCR followed by direct hybridisation ...
Research from A. Anjulan and colleagues provide new insights into video technology.
Mar 03, 2009 ... According to recent research from Ipswich, the United Kingdom, "This paper describes a unified framework for object mining system for videos, which combines shot segmentation, clustering, retrieval and object mining using a single set of detected local invariant regions. The local ...
Recent findings in manufacturing technology described by researchers from University of Wroclaw.(Report)
Mar 03, 2009 ... According to recent research from Wroclaw, Poland, "In this paper, we consider a single-machine job scheduling problem where the objective is to minimize the weighted sum of earliness and tardiness (E/T) penalties of jobs. This problem is consistent with the just-in-time (JIT) production." ...
Study findings from McGill University broaden understanding of corrosion science.
Mar 03, 2009 ... "The roles of grain boundary character and crystallographic texture on the intergranular stress corrosion cracking (IGSCC) of API X-65 pipeline steel has been studied using scanning electron microscope (SEM) based electron backscattered diffraction (EBSD) and X-ray texture measurements," ...
Studies from Zhengzhou University further understanding of wind and structures.(Report)
Mar 03, 2009 ... According to recent research from People's Republic of China, "The vortex-induced vibration of an Pi-shaped bridge deck sectional model is studied in this paper via the wind tunnel experiment. The vibratory behavior of the model shows that there is a transition of the predominant vibration ...
Reports outline coloration technology study findings from University of Minho.
Mar 03, 2009 ... According to a study from Portugal, "Evidence is presented that confirms the colour changes of a widely used trichromatic mixture of bifunctional reactive dyes (Levafix CA) under alkaline conditions, showing that they occur slowly and throughout the dyeing time, and not instantly after ...
Researchers at Kyung-Hee University target mechanical science.(Report)
Mar 03, 2009 ... "Modern engineered products are becoming increasingly complicated and most consumers prefer compact designs. Layout design plays an important role in many engineered products," scientists in South Korea report. "The objective of this study is to suggest a method to apply the ...
Researchers from University of Girona publish findings in solvent extraction research.
Mar 03, 2009 ... "The use of commercially available solid phase extraction (SPE) anion-exchange cartridges for the separation and preconcentration of Pd(II), Pt(IV) and Rh(III) in chloride aqueous samples is described and characterised. Platinum Group Metals (PGMs) form anionic species in aqueous chloride ...
New findings from Tohoku University in the area of shock research published.
Mar 03, 2009 ... According to recent research from Sendai, Japan, "Supersonic biplanes can possibly achieve low-boom and low-drag supersonic flights. In the present study, aerodynamic analysis and design of two-dimensional (2-D) biplanes were investigated with the help of computational fluid dynamics (CFD) ...
New fluids study results reported from University of Verona.
Mar 03, 2009 ... "The liquid film remaining on a wire withdrawn from a liquid bath and forced through an annular jet is experimentally investigated on a dedicated facility. An optical laser-based technique recently introduced to study liquid-film instabilities on small-radius cylinders allows the ...
Research on applied composites discussed by scientists at University of Bath.
Mar 03, 2009 ... "One of the main structural requirements of a leading edge of a tailplane is to ensure that any significant damage caused by foreign object (i.e. birdstrike, etc ...) would still allow the aircraft to land safely. In particular, leading edge must be certified for a proven level of bird ...
Data from Tsinghua University advance knowledge in nuclear technology.(Report)
Mar 03, 2009 ... According to a study from Beijing, People's Republic of China, "In this paper, we report on the analysis of reverse flow in inverted U-tubes of a steam generator under natural circulation condition. The mechanism of reverse flow in inverted U-tubes of the steam generator with natural ...
New fluids engineering study findings recently were reported by M. Kaczorowski and co-researchers.(Report)
Mar 03, 2009 ... "In this study, direct numerical simulations and high-resolved large eddy simulations of turbulent Rayleigh-Benard convection were conducted with a fluid of Prandtl number Pr = 0.7 in a long rectangular cell of aspect ratio unity in the cross-section and periodic boundaries in a horizontal ...
Research reports from L.A. Desouza and co-authors provide new insights into science and technology.
Mar 03, 2009 ... According to a study from Maringa, Brazil, "The pericarp and seed in development of Metrodorea nigra were investigated structurally. The flowers and fruits in different stages of maturation were fixed in FAA 50 and cross-and longitudinally sectioned, according to usual techniques." ...
Research from Kyoto University provides new data on materials science.
Mar 03, 2009 ... According to recent research from Kyoto, Japan, "Composites with characteristics of anisotropic thermal conductivity for thermal management in Solar Power Satellite (SPS), to discharge the heat that was generated when solar energy was not converted to electricity, were developed by ...
Studies from C.Y. Lo et al have provided new data on heat transfer research.
Mar 03, 2009 ... According to recent research from Huwei, Taiwan, "This article presents a hybrid differential transform/control-volume method to solve hyperbolic heat conduction problems. First, the governing equations are transformed using the differential transform technique." "Second, the ...
New metals research has been reported by H. Presslinger et al.
Mar 03, 2009 ... "In solidified slabs different types of segregations such as crystal segregation (micro segregation), centre segregation (macro segregation) and hot tear segregation (HTS) may occur. The present paper examines the segregation behaviour of different elements in hot tear cracks depending on ...
Studies from Lomonosov Moscow State University in the area of solids research published.
Mar 03, 2009 ... According to recent research published in the journal Radiation Effects and Defects in Solids, "Sputtering of Ni5Pd and NiPd5 alloys by 0.5-50keV Ar ions has been studied by means of binary-collision simulation. Special attention was given to the angular distributions of sputtered atoms at ...
Reports from Federal University advance knowledge in polymer research.
Mar 03, 2009 ... According to a study from Brazil, "Blends of the commercial biodegradable polymer poly(hydroxybutyrate) (PHB) with an oligomeric polyester such as poly(ethylene isophythalate) (PEIP) were prepared in the molten state. PEIP was synthesized by bulk condensation polymerization using two types ...
Studies from D. Stoyanova and co-researchers update current data on porous materials.
Mar 03, 2009 ... "The influence of the nature of the impregnating solutions media (aqueous or non-aqueous) on the forming of active phases is investigated in case of preparing iron catalysts, supported on activated carbon with respect to their catalytic activity in the reaction of NO reduction by CO. The ...
Research from E. Knapen and co-researchers in the area of cement research described.(Report)
Mar 03, 2009 ... "Hardening of cement mortars modified with small amounts of water-soluble polymers implies both cement hydration and polymer film formation. In this paper, the effect of the presence of water-soluble polymers on the cement hydration reactions is investigated by means of isothermal ...
Studies from A. Vegas et al further understanding of crystallography.
Mar 03, 2009 ... According to recent research from Madrid, Spain, "The bixbyite structure (Mn2O3) (Ia (3) over bar) is often described as a distorted face-centered cubic (f.c.c.) array of Mn atoms, with O atoms occupying 3/4 of the tetrahedral holes. The empty M-4 tetrahedra are centred at 16c." ...
Researchers from Chulalongkorn University detail new studies and findings in the area of applied polymer science.
Mar 03, 2009 ... According to a study from Bangkok, Thailand, "The cure characteristics and mechanical properties of blends consisting of hydrogenated natural rubber (HNR) and natural rubber (NR) blends were investigated." "The HNR/NR blends at 50/50 wt ratio were vulcanized using various Cure ...
Research from S.W. Jones and co-researchers yields new findings on solid state technology.(Report)
Mar 03, 2009 ... According to recent research published in the journal Solid State Technology, "In the second quarter of 2008, 300mm wafers passed 200mm wafers as the highest production volume wafer size on a sq. in. basis [1]." "Announcements of 200mm fab closings by memory producers in favor ...
Research on lubrication technology published by R. Reich et al.
Mar 03, 2009 ... "How hydrodynamic and boundary lubrication affect a lubricants film strength when cold rolling aluminum was studied using a laboratory mill. The film strength of the lubricant was determined by increasing the amount of reduction until a rapid rise in load and temperature produced a ...
Studies from University of Barcelona update current data on metals.
Mar 03, 2009 ... "The reactions of cis- [Pt(4-C6H4Me)(2)(mu-SEt2)](2) with ligands ArCH=NCH2CH2NMe2 (Ar = 4-ClC6H4 (1a); 2-BrC6H4 (1b); 2,6-Cl2C6H3 (1c); C6F5 (1d)) and ArCH=NCH2(4-ClC6H4) (Ar = 4-ClC6H4 (1e); 2-BrC6H4 (1f); 2,6-Cl2C6H3 (19); C6F5 (1h)) were studied," investigators in Barcelona, Spain ...
Study findings on manufacturing technology are outlined in reports from E. Capello and colleagues.
Mar 03, 2009 ... According to recent research from Milan, Italy, "In order to develop adequate predictive models of the laser heat treating process in the recent past, the laser surface treatment (LST) test was proposed to relate the obtained microstructure to the known thermal cycle undergone by the ...
Studies from H.Y. Zhang et al add new findings in the area of science and technology.
Mar 03, 2009 ... "The aim of this work was to study the genetic diversity among flue-cured tobacco cultivars. RAPD and AFLP analyses were used to assess the genetic similarity among selected accessions of flue-cured tobacco," scientists in Kunming, People's Republic of China report. "Seventy ...
Recent findings from J.J. Choi and co-authors highlight research in materials science.
Mar 03, 2009 ... According to a study from South Korea, "Conducting ceramic layers with a spinel structure of MnCo2O4 and a thickness of 3 mu m were deposited on ferritic stainless steel (SS) by aerosol deposition (AD), for use as an oxidation-resistant coating layer on the metallic interconnects of a ...
Researchers at Soongsil University target mechanical science.
Mar 03, 2009 ... According to recent research from Seoul, South Korea, "A passive vibration isolator using a negative stiffness mechanism (NSM) is being considered for small precision instruments since it does not need any Outer power supply and pressurized air, and its fundamental frequency Call be ...
Fudan University publishes research in lightwave technology.(Report)
Mar 03, 2009 ... "Heavily Yb-doped (14300 ppm) preforms and fibers were prepared by the sol-gel method and dip coating-rapid thermal annealing technique," scientists writing in the Journal of Lightwave Technology report. "Optical properties of these preforms and fibers were measured and ...
Research findings from Polytechnic University update understanding of applied composites.
Mar 03, 2009 ... "The tensile behavior of a unique 2.5 D C/SiC composite and associated damage evolution was characterized by means of acoustic emission (AE) technique," scientists writing in the journal Applied Composite Materials report. "The results show that the stress-strain curves exhibit ...
Researchers at Ohio State University publish new data on mechanics of materials and structures.
Mar 03, 2009 ... According to recent research published in the Journal of Mechanics of Materials and Structures, "A nonlinear free-vibration analysis of an Euler-Bernoulli beam with an edge crack and a cohesive zone at the crack tip, represented by bending and shear springs, is presented. Restricting ...
W. L. Gore & Associates Recognized as One of World's Most Innovative Companies.(Company overview)
Mar 03, 2009 ... W. L. Gore & Associates, Inc., maker of GORE-TEX(R) fabric and thousands of other market-leading products, has earned a spot on Fast Company magazine's 2009 "Fast 50" list of the world's most innovative companies. Gore is ranked No. 30. The complete list is available at fastcompany.com and ...
Federal University reports research in corrosion science.
Mar 03, 2009 ... According to a study from Brazil, "The molybdate-zinc conversion process was investigated by means of different techniques such as EIS, interfacial pH measurements, QCM and SECM. SEM and XPS complemented the electrochemical measurements." "EIS results have shown different ...
Researchers from University of Naples publish new studies and findings in the area of heat transfer research.(Report)
Mar 03, 2009 ... According to a study from Naples, Italy, "In this work, the authors present an artificial compressibility (AC) version of the characteristic-based split (CBS) algorithm for the numerical solution of flow through a fluid-saturated porous medium." "In this study, a fully ...
Data on mechanical science published by researchers at Chungbuk National University.
Mar 03, 2009 ... According to a study from South Korea, "Micro-machining of a brittle material such as glass or silicon is important in micro fabrication. Particularly, micro-abrasive jet machining (mu-AJM) has become a useful technique for micro-machining of such materials." "The mu-AJM process ...
New manufacturing technology research from Annamalai University discussed.
Mar 03, 2009 ... According to a study from India, "The present investigation is aimed at to study the effect of welding processes such as GTAW, GMAW and FSW on mechanical properties of AA6061 aluminium alloy. The preferred welding processes of these alloys are frequently gas tungsten arc welding (GTAW) and ...
Researchers at Shanghai Jiao Tong University release new data on manufacturing technology.(Report)
Mar 03, 2009 ... "A numerical simulation of multi-stage heavy forging process using the finite element method (FEM) is presented in this study. The process of heavy forging is highly non-linear, where both microstructure and boundary conditions are altered by plastic deformation during forming," scientists ...
Research on mechanical science discussed by S. Seo and co-researchers.
Mar 03, 2009 ... "An advanced tilting system for KTT (Korean Tilting Train) was developed and a performance test of the system has been completed. KTT has been constructed to speed up and promise a significant enhancement in service quality on a conventional line," scientists in South Korea report. ...
Reports outline metals study results from K. Wu et al.
Mar 03, 2009 ... According to recent research published in the journal Steel Research International, "The carbon mass fraction of blast furnace (BF) dust (gravitational dust and sludge) was determined under normal production conditions in industrial tests. The mass fraction of unconsumed coal and coke ...
The Changing Landscape of Digital Mapping.
Mar 03, 2009 ... Research and Markets (http://www.researchandmarkets.com/research/057b12/the_changing_lands) has announced the addition of the "The Changing Landscape of Digital Mapping" report to their offering. This report analyses the changing landscape of digital mapping, outlining the ...
Research from S.M. Lee and co-researchers provides new data on mechanical science.
Mar 03, 2009 ... According to a study from South Korea, "Partial rub and looseness are common faults in rotating machinery because of the clearance between the rotor and the stator. These problems cause malfunctions in rotating machinery and create strange vibrations coming from impact and friction." ...
Data on corrosion science detailed by researchers at Polytechnic University.
Mar 03, 2009 ... According to a study from Xian, People's Republic of China, "The oxidation rates, the morphologies and compositions of the surface films on molten magnesium and AZ91D alloy in covering gas of 1,1,1,2-tetrafluoroethane/air at 760 degrees C were investigated using thermogravimetric ...
Research on mechanical science published by J.S. Kang et al.
Mar 03, 2009 ... "A method is presented to optimize the helix angle of a helical gear from the viewpoint of the transmission error, which is the deflection of the teeth due to the transmitted load. The deflection of the gear teeth is calculated by using the bending and shear influence function, which is ...
PA-Grown Company Teams with International Technology Leader, Governor Rendell Says.
Mar 03, 2009 ... A dynamic Pennsylvania resource that nurtures early-stage entrepreneurs has helped to grow a Lehigh Valley start-up business that was recently acquired by a giant international company, Governor Edward G. Rendell said. CICLON, a client of the Ben Franklin Technology Partners of ...
New materials science study results reported from Z.J. Wang et al.
Mar 03, 2009 ... According to recent research from Fuzhou, People's Republic of China, "The Tm3+/Yb3+:NaGd(MoO4)(2) crystal has been grown by Czochralski method along the c axis. Polarised absorption spectrum was measured at room temperature and the corresponding analysis was carried out in the framework ...
New findings from Nagoya University in the area of metals published.
Mar 03, 2009 ... According to recent research from Nagoya, Japan, "Synthesis and characterization of ruthenium(II) complexes having a meridional bis(oxazolinyl)benzene (dm-Phebox-R)H (1a: R = ip, 1b: R = ph, 1c: R = dm; ip = isopropyl, din = dimethyl, ph = phenyl) ligand and their applications to ...
DEMO Announces New Executive Producer, Forges Long-Term Partnership with VentureBeat.
Mar 03, 2009 ... IDG's DEMO conference, the world-renowned launch platform for some of the most notable emerging technologies introduced over the past two decades, announced that Chris Shipley, DEMO Executive Producer for the past 13 years, will step down following the DEMOfall event this September. IDG ...
New research on lightwave technology from Stanford University summarized.
Mar 03, 2009 ... According to a study from the United States, "Optical fiber transmission is impacted by linear and nonlinear impairments." "We study the use of digital backpropagation (BP) in conjunction with coherent detection to jointly mitigate dispersion and fiber nonlinearity. We propose a ...
Researchers at University of Extremadura release new data on manufacturing technology.
Mar 03, 2009 ... According to recent research from Merida, Spain, "There are different solutions to upgrade a conventional machine tool to high-speed machining (HSM). One of the cheapest solutions is the use of mechanical spindle speeders." "Mechanical spindle speeders allows the increase of the ...
Unisys Sees Technology "Consumerization" and Mobility Risks as Key Drivers for Security Investments.
Mar 03, 2009 ... The oconsumerizationo of technology and its blurring boundaries between personal and professional use of computers, sophisticated mobile phones and other devices, is forcing enterprises to rethink how they assess risk and protect data, according to security experts at Unisys Corporation ...
1Q09 New Zealand Mobile Operator Forecast, 2008 - 2013: Vodafone to Replace TCNZ as the Most Profitable Operator in New Zealand over the Next Five Years.(Report)
Mar 03, 2009 ... Research and Markets (http://www.researchandmarkets.com/research/dafea9/1q09_new_zealand_m) has announced the addition of IE Market Research Corp.'s new report "1Q09 New Zealand Mobile Operator Forecast, 2008 - 2013: Vodafone to replace TCNZ as the most profitable operator in New Zealand ...
Data on video technology reported by researchers at Kyoto University.
Mar 03, 2009 ... According to recent research from Kyoto, Japan, "This paper proposes a hardware architecture for object detection based on an AdaBoost learning algorithm with Haar-like features as weak classifiers. We analyze and discuss the parallelism in this detection algorithm and propose a partially ...
New shock research study findings recently were published by V. Kedrinskiy and co-researchers.
Mar 03, 2009 ... "The paper offers a short survey of experimental results on simulation of processes of explosive volcano eruptions, based on the method of hydrodynamic pulse shock tubes. The experiments show that the development of cavitation in the magma under the effect of decompression waves is ...
New findings reported from H.D. Gao and co-authors describe advances in ultrasonic research.(Report)
Mar 03, 2009 ... "Ice accumulation on airfoils has been identified as a primary cause of many accidents in commercial and military aircraft. To improve aviation safety as well as reduce cost and environmental threats related to aircraft icing, sensitive, reliable, and aerodynamically compatible ice ...
Study findings from R.E. Dinnebier et al broaden understanding of crystallography.
Mar 03, 2009 ... According to recent research from Stuttgart, Germany, "Our recently proposed method for automatic detection, calibration and evaluation of Debye-Scherrer ellipses using pattern-recognition techniques and advanced signal filtering was applied to the two-dimensional powder diffraction data ...
New corrosion science study results reported from G. Saravanan et al.
Mar 03, 2009 ... According to recent research published in the journal Corrosion Science, "A comparison was made between the electrochemical corrosion behaviors of chromium deposited from hexavalent [Cr(VI)] and trivalent [Cr(III)] chromium baths using direct current (DCD) and pulse electro deposited (PED) ...
Research data from S. Saravanan and colleagues update understanding of shock research.
Mar 03, 2009 ... "A new three-component accelerometer force balance has been designed, calibrated and tested in hypersonic shock tunnel (HST2) of Indian Institute of Science. The newly designed balance is able to measure aerodynamic forces (within test time of one millisecond) on test models at angles of ...
Research results from University of Maryland update understanding of video technology.(Report)
Mar 03, 2009 ... According to recent research published in the journal IEEE Transactions on Circuits and Systems for Video Technology, "In this paper, a simultaneous MAP-based video denoising and rate-distortion optimized video encoding algorithm is proposed. We begin with formulating the denoising problem ...