Electronics Newsweekly back issues from November 2008:
Research from S. Moon and co-authors provides new data about science.
Nov 05, 2008 ... According to a study from South Korea, "We introduce a novel single-photon sensitive photodetection method of analog single-photon counting (SPC) for the application of highspeed scanning microscopy that requires high measurement speed and wide dynamic range for the photodetector. This ...
Research from Beijing Jiaotong University provides new data about science.
Nov 05, 2008 ... According to recent research from Beijing, People's Republic of China, "This paper addresses when and how to adjust bandwidth allocation on uplink and downlink in a multiservice mobile wireless network under dynamic traffic load conditions. Our design objective is to improve system ...
Data on science reported by researchers at University of Arizona.
Nov 05, 2008 ... According to recent research published in the journal Chemistry of Materials, "Organic photovoltaic devices have been created on activated and modified ITO electrodes from electrodeposited poly(3-hexylthiophene) (e-P3HT) donor layers, using pulsed-potential-step (PPS) electrodeposition ...
Reports outline science study results from University of Pennsylvania.(Report)
Nov 05, 2008 ... "We investigate the effects of sub-Poissonian photon statistics and photon antibunching in the light generation by a photonic-crystal one-atom laser. The physical system consists of a two-level light emitter strongly coupled to a high-quality microcavity engineered within a photonic ...
New findings in laser research described by G.L. Li and co-researchers.
Nov 05, 2008 ... According to recent research from Changsha, People's Republic of China, "With the rapid development of high power microwave (HPM) technologies, HPM devices with several output frequencies are becoming more and more attractive. Diplexer is it microwave device with two Output frequencies, ...
New findings in textile research described from Seoul National University.
Nov 05, 2008 ... According to recent research from Seoul, South Korea, "The growth of the electronic industry and the widespread use of electronic equipment in communications, computations, automations, biomedicine, space, and other purposes have led to many electromagnetic interference (EMI) problems as ...
Researchers at Seoul National University target mechanical science.(Report)
Nov 05, 2008 ... "Conventional AMB(active magnetic bearings) systems consist of electromagnetic coils, position sensors, power amplifiers and a feedback controller. This hardware configuration can lead to a structural complexity, problems of space limitations for the installation, and position control ...
Research from State University of New York in the area of nanotechnology published.
Nov 05, 2008 ... According to a study from the United States, "In this communication, we present the experimental results of two- and three-photon excitation studies on silicon quantum dots (QDs) in chloroform (as well as in water) by using femtosecond laser pulses with wavelengths of 778 and 1335 nm and a ...
Reports from University of Miami highlight recent research in clinical electrophysiology.
Nov 05, 2008 ... "Locating ablation targets on the slow pathway in children as one would in adults may not accommodate the dimensional changes of Koch's triangle that occur with heart growth. We investigated the most common site of success and the effect of a variety of variables on the outcome of slow ...
New findings from H. Yoshida and co-authors in the area of nature photonics published.
Nov 05, 2008 ... According to recent research from Hamamatsu, Japan, "The realization of semiconductor laser diodes and light-emitting diodes that emit short-wavelength ultraviolet light is of considerable interest for a number of applications including chemical/biochemical analysis, high-density data ...
New remote sensing study findings have been reported from University of Perugia.
Nov 05, 2008 ... "This paper deals with the development of a microwave noise-adding radiometer, which is purposely designed for the fire detection in forest environments. The sensor operates at 12.65 GHz and exploits commercial Satellite Television (SAT-TV) components such as a parabolic dish and a ...
Research from A.A. Oskouei and co-researchers provides new data on molecular liquids.
Nov 05, 2008 ... According to a study from Lausanne, Switzerland, "In this article we present a new photon echo set-tip operating in the UV range and our first results of photon echo peak shift (PEPS) experiments of a small non-polar dye molecule, p-terphenyl (pTP), in three different solvents: ethanol, ...
Studies from P.A. Hiskett and co-researchers update current data on optical research.
Nov 05, 2008 ... According to recent research from Scotland, "This paper describes a rapid data acquisition photon-counting time-of-flight ranging technique that is designed for the avoidance of range ambiguity, an issue commonly found in high repetition frequency time-of-flight systems. The technique ...
New computer science research from C. Sarr et al outlined.
Nov 05, 2008 ... "Since 2005, IEEE 802.11 -based networks have been able to provide a certain level of quality of service (QoS) by the means of service differentiation, due to the IEEE 802.11e amendment. However, no mechanism or method has been standardized to accurately evaluate the amount of resources ...
Researchers from University of Colorado describe findings in astronomy.
Nov 05, 2008 ... "We examine the constraints on high-redshift star formation, ultraviolet and X-ray preionization, and the epoch of reionization at redshift z(r), inferred from the recent WMAP-5 measurement, tau(e) = 0.084 +/- 0.016, of the electron-scattering optical depth of the cosmic microwave ...
Reports from University of British Columbia describe recent advances in planetary science.
Nov 05, 2008 ... According to a study from Vancouver, Canada, "The southern half of the Tharsis region of Mars displays enigmatic variations in the crustal magnetic field that are correlated with topography and the distribution of volcanism. Radial magnetic field anomaly values (B-r) at 400 km altitude are ...
Investigators at Queensland University of Technology zero in on computers and digital techniques.
Nov 05, 2008 ... According to a study from Brisbane, Australia, "For microprocessors used in real-time embedded systems, minimising power consumption is difficult due to the timing constraints. Dynamic voltage scaling (DVS) has been incorporated into modern microprocessors as a promising technique for ...
New data from University of Stuttgart illuminate research in applied lasers and optics.
Nov 05, 2008 ... According to a study from Stuttgart, Germany, "Electromagnetic induction in the context of metal nanostructures and metamaterials is discussed. Pitfalls in the description of the excitation of current modes in such structures are pointed out." "Areas of concern include the lack ...
Research on applied physics reported by scientists at China University.
Nov 05, 2008 ... According to a study from Guangzhou, People's Republic of China, "An intense broadband and flat 1.3 mu m emission from Bi-doped germanate glass has been measured upon excitation with a commercial laser diode, which makes the glasses more attractive for their use broadband optical fiber ...
Study results from Technical University update understanding of nanosystems.
Nov 05, 2008 ... According to a study from Braunschweig, Germany, "This paper provides a contribution to the technology and fabrication of functional components for micro motors based on an electromagnetic principle. The focus of this research is on components for the drive, guide and bearing for magnetic ...
National Technical University details research in interface science.
Nov 05, 2008 ... According to recent research published in the Journal of Colloid and Interface Science, "Liquid droplets bridging the gap between two dielectric-coated horizontal electrode plates suffer breakup instabilities when a voltage applied between the electrodes exceeds a threshold. Interestingly ...
Studies from B.X. Liu and co-researchers update current data on surfactants and detergents.
Nov 05, 2008 ... "The adsorption of sodium dodecyl sulfate (SDS) on alumina was studied by using the surfactant ion-selective electrode," investigators in Taiyuan, People's Republic of China report. "The adsorbance could be calculated from the potential and concentration response characteristics ...
Reports from L. Wu and colleagues advance knowledge in microwave research.
Nov 05, 2008 ... According to recent research published in the journal IEEE Transactions on Microwave Theory and Techniques, "Using ST 0.13-mu m CMOS technology, a class A power amplifier has been developed for the global system for mobile communication in Europe. To solve the problem of low breakdown ...
Findings in astrophysics reported from University of Catania.
Nov 05, 2008 ... "Observations show that solar flares are often caused by the emergence of new magnetic flux from subphotospheric layers and by the interaction of the rising field lines with the ambient magnetic field. In this framework, recent theoretical models of magnetic flux emergence have ...
Studies from Chiang Mai University have provided new information about applied surface science.
Nov 05, 2008 ... "PbS was produced from different lead (Pb(CH3COO)(2)center dot H2O, PbCl2 center dot 2.5H(2)O, Pb(NO3)(2)) and sulfur (CH3CSNH2, CH5N3S, NH2CSNH2) sources in propylene glycol using a cyclic microwave radiation at different powers and prolonged times. PbS (cubic) was detected using X-ray ...
Research on physical chemistry described by scientists at Shandong University.
Nov 05, 2008 ... "Density functional theory calculations were carried out to study the charge transfer properties of bis(phthalocyaninato) yttrium and lanthanum double-decker complexes M(Pc)(2) (M = Y, La) for organic field effect transistors. The results indicate that the intrinsic delocalized hole in ...
Data from X.D. Zhang and colleagues advance knowledge in ceramics.
Nov 05, 2008 ... According to a study from London, the United Kingdom, "The effect of A-site substitution on the piezoelectric coefficient, high-temperature dc resistivity, and thermal depoling behavior of Aurivillius phase CaBi2Nb2O9 ferroelectric ceramics was investigated. Ceramics with the general ...
New sensors and actuators data have been reported by C.C.M. Martinez and co-authors.
Nov 05, 2008 ... "A geometrical and electrochemical characterization of stainless steel electrodes electrodeposited with iridium oxide (IrO2) is presented," scientists in Argentina report. "There is a dramatic increase in the double layer capacitance (C) and an important decrease in the charge ...
Researchers at University of Paris target nuclear physics.
Nov 05, 2008 ... According to recent research published in the journal Nuclear Instruments & Methods in Physics Research Section a - Accelerators Spectrometers Detectors and Associated Equipment, "To calibrate the energy response of the ATLAS liquid argon calorimeter, an electronics calibration board has ...
Research results from Tottori University update understanding of electrochemistry.
Nov 05, 2008 ... "Mg2Ge/Si composite electrodes were prepared by a gas-deposition (GD) method and evaluated their electrochemical properties of anodes for Li rechargeable battery. The discharge capacity of the Mg2Ge/Si composite electrodes increased in comparison with that of Mg2Ge GD-film electrode," ...
Researchers at Technion release new data on machine learning.(Report)
Nov 05, 2008 ... "The ability to enhance and to improve the efficiency of piezoelectric actuators through extending their operational range into the non-linear regime is analytically investigated. Motivated by the limited strain actuation capabilities of the existing piezoelectric actuators, it is proposed ...
Research on nuclear engineering published by scientists at University of California.
Nov 05, 2008 ... "The Compact Toroid Injection Experiment (CTIX) produces spheromak-like compact toroids (SCTs) without external power switching, initiating a discharge by pulsed gas injection into a formation region containing a seed magnetic field generated by a solenoidal coil. After formation, the ...
Studies from Gazi University describe new findings in digital signal processing.(Report)
Nov 05, 2008 ... "In this paper, a method for the automatic handwritten signature verification (AHSV) is described. The method relies on global features that summarize different aspects of signature shape and dynamics of signature production," scientists in Ankara, Turkey report. "For designing ...
Research from J.R. Gregory and co-researchers in the area of science and technology published.
Nov 05, 2008 ... According to recent research published in the journal Environmental Science & Technology, "A framework for evaluating the economic performance of a recycling system is proposed, and data from four electronics recycling systems in North America (Alberta, California, Maine, and Maryland) ...
New findings from Chongqing University in the area of photonics published.
Nov 05, 2008 ... According to recent research from Chongqing, People's Republic of China, "A novel optical buffering architecture for Optical Packet Switching (OPS) networks is proposed in this article." "The architecture which adopts a fiber-sharing mechanism aims at solving the problem of ...
New entomology data have been reported by B.A. Knapp and co-authors.(Report)
Nov 05, 2008 ... "The earthworm, Lumbricus rubellus, plays an essential role in soil ecosystems as it affects organic matter decomposition and nutrient cycling. By ingesting a Mixture of organic and mineral material, a variety of bacteria and fungi are carried to the intestinal tract of the earthworm," ...
Research results from University of Virginia update knowledge of chemical physics.
Nov 05, 2008 ... According to a study from the United States, "We summarized both advantages and disadvantages of different light modulators used in cw-CRDS experiments. For the first time, we introduce the use of a semiconductor optical amplifier (SOA) as light modulator in cw-CRDS." "A direct ...
New findings from J. Kerouedan and co-authors in the area of analytical science published.
Nov 05, 2008 ... "This paper demonstrates how micro-cracks at the surface of metals can be detected and imaged by near-field microwave techniques from the crack-induced variations of the resonance frequency and of the resonant circuit quality factor. It deals with two resonant sensors: a quarter wavelength ...
Studies from V.M. Kuzmenko et al in the area of low temperature physics described.
Nov 05, 2008 ... "The effect of an amorphous Sb coating on the resistivity p of amorphous and crystalline V, Yb, and Bi films is investigated. The values of p decrease for both phase states of V and Bi and increase for Yb," scientists in Ukraine report. "The effect of a coating on p is limited ...
Scientists at University of Bologna publish research in molecular research.
Nov 05, 2008 ... According to recent research from Bologna, Italy, "The rotational spectra of normal, and various N-15, C-13 and Ne-12 species of pyridine-neon have been investigated by molecular beam Fourier transform microwave spectroscopy." "The obtained results allowed for the experimental ...
Research from Wright State University broadens understanding of propulsion and power.
Nov 05, 2008 ... According to a study from the United States, "Plasma-fluid-dynamic interaction has been shown to be a viable mechanism for hypersonic flow control. An effective and verified flow control process using direct current surface discharge is summarized." "The operating principle is ...
Reports by A.K. Mamleev and co-researchers describe recent advances in structural chemistry.
Nov 05, 2008 ... "The microwave spectrum of 5-methyl-1,3-dioxane was studied in the frequency range 12-35 GHz," scientists in Russia report. "The a and c type rotation transitions with J<= 30 were identified. The rotational constants A = 4658.5244(33) MHz, B = 2383.3930(12) MHz, and C = ...
New data from M.M.A. Nikje et al illuminate research in plastics.
Nov 05, 2008 ... "The chemical recycling of flexible polyurethane foam wastes are performed through hydroglycolysis process under microwave irradiation at atmospheric pressure and 160 degrees C. Mixtures of glycerin, water, and sodium hydroxide are used as hydroglycolysis agent," scientists writing in the ...
Scientists at University of Chile target chemical research.(Report)
Nov 05, 2008 ... According to recent research from Santiago, Chile, "This study describes the fast and simultaneous determination of glutathione and glutathione disulfide by Capillary Zone Electrophoresis in plant extracts of shoot and root of tomato plants. Frequent use of acidic precipitation of protein ...
New solid state technology research from Hebei Polytechnic University discussed.
Nov 05, 2008 ... "A novel tube shape CO2 gas sensor based upon interfacing two composite solid electrolytes-Nasicon/glass and Sr-beta-Al2O3/YSZ with a BaCO3/Na2CO3 (4:6) auxiliary electrode has been investigated. In the sensor, Nasicon/glass is melted in Sr-beta-Al2O3/YSZ tube, BaCO3/Na2CO3 (4:6) placed on ...
New findings reported from Mississippi State University describe advances in physics.
Nov 05, 2008 ... "This paper describes an experiment that demonstrates Gauss's law for electric fields. The experiment utilizes easily obtained equipment and requires simple electrostatic field measurements," scientists writing in the American Journal of Physics report. "The field measurements ...
Scientists at University of Berlin report research in applied materials science.
Nov 05, 2008 ... According to a study from Berlin, Germany, "A mild and efficient procedure has been developed to obtain covalently attached self-assembled monolayers (SAMs) on Si(111) with photochromic azobenzene head-groups." "Starting from neat or diluted carboxylic acid functionalized ...
Researchers at Yokohama National University release new data on advanced materials.
Nov 05, 2008 ... "The physical properties of agarose gel prepared under strong magnetic fields were investigated. The storage modulus was measured by the reflection method with an ultrasonic pulse," scientists in Yokohama, Japan report. "The measurement results of the gel's elasticity indicate ...
Research conducted at University of Pavia has provided new information about mathematics.(Report)
Nov 05, 2008 ... "We consider a coupled hyperbolic system which describes the evolution of the electromagnetic field inside a ferroelectric cylindrical material in the framework of the Greenberg-MacCamy-Coffman model. In this paper we analyze the asymptotic behavior of the solutions from the viewpoint of ...
Findings from China University broaden understanding of chemistry.
Nov 05, 2008 ... "Compared with the traditional thin film techniques, the matrix-assisted pulsed laser evaporation (MAPLE) technique has many advantages in the deposition of polymer and organic thin films. It has a wide range of applications in many fields, such as non-linear optics, luminescent devices, ...
Investigators at Macquarie University publish new data on finite research.
Nov 05, 2008 ... 'Let E be an elliptic curve over a finite field F-q of q elements and x(P) to denote the x-coordinate of a point P = (x(P), y(P)) epsilon E. Let circle plus denote the group operation in the Abelian group E(F-q) of F-q-rational points on E. We show that for any sets R, S subset of E(F-q) ...
Data from Wuhan University advance knowledge in macromolecular research.
Nov 05, 2008 ... According to a study from Wuhan, People's Republic of China, "A novel capacitor with high dielectric constant (F) has been developed by blending poly(vinylidene fluoride) (PVDF) with polyamide (PA11). The blends show high dielectric constants (epsilon(blend) = 40), which give better ...
Investigators at Nagoya University have published new data on applied geochemistry.
Nov 05, 2008 ... According to recent research from Nagoya, Japan, "Subsurface redox fronts control the mobilization and fixation of many trace elements, including potential Pollutants such as certain radionuclides. Any safety assessment for a deep geological repository for radioactive wastes needs to take ...
Research from H.Y. Yang and co-researchers yields new findings on electronics.
Nov 05, 2008 ... According to recent research from Puli, Taiwan, "A 21-27 GHz CMOS ultra-wideband low-noise amplifier (UWB LNA) with state-of-the-art phase linearity property (group delay variation is only +/-8.1 ps across the whole band) is reported for the first time." "To achieve high and. at ...
New findings from University of Kentucky in the area of electronic materials described.
Nov 05, 2008 ... According to recent research published in the Journal of Electronic Materials, "Reactive wetting of solders on Cu and Cu6Sn5/Cu3Sn/Cu substrates was investigated using both (1) the wetting balance, and (2) the hot-stage real time, in situ visualization of the triple-line movement. To ...
Scientists at University of California discuss research in electrical communications.
Nov 05, 2008 ... "In this letter we propose an approximation for the Gaussian Q-function that enables simpler evaluation of important communication system performance metrics," researchers in the United States report. "The approximation enables derivation of closed-form expressions for metrics ...
New applied materials science data have been reported by scientists at University of Berlin.
Nov 05, 2008 ... According to recent research published in the journal Applied Physics a - Materials Science & Processing, "Two-photon photoemission (2PPE) spectroscopy is employed to quantify the photochemically and thermally induced trans reversible arrow cis isomerization of the molecular switch ...
Research in the area of physics reported from University of Kaiserslautern.
Nov 05, 2008 ... According to a study from Kaiserslautern, Germany, "We discuss a general model of a quantum memory for a single light mode in a collective mode of atomic oscillators. The model includes interaction Hamiltonians that are of second order in the canonical position and momentum operators of ...
Researchers from Sun Yat-Sen University detail findings in applied physics.
Nov 05, 2008 ... According to recent research published in the Journal of Applied Physics, "An integrated piecewise thermal equilibrium approach based on the first-principles calculation method has been developed to calculate bias dependent electronic structures and current- and differential ...
This Report Gives a Comprehensive Analysis of the Australian Fixed Wireless Broadband Market.
Nov 05, 2008 ... Research and Markets (http://www.researchandmarkets.com/research/1f171b/australia_fixed) has announced the addition of the "Australia - Fixed Wireless Broadband Analyses - 2008" report to their offering. The fact that progress in wireless broadband is occurring at such a ...
Recent studies from University of California add new data to electronic materials.
Nov 05, 2008 ... "We report a low-temperature process for covalent bonding of thermal SiO2 to plasma-enhanced chemical vapor deposited (PECVD) SiO2 for Si-compound semiconductor integration. A record-thin interfacial oxide layer of 60 nm demonstrates sufficient capability for gas byproduct diffusion and ...
Data on optical research described by G. Brida et al.
Nov 05, 2008 ... According to recent research from Turin, Italy, "Spontaneous parametric down conversion (SPDC) has been largely exploited as a tool for absolute calibration of photon-counting detectors, i.e detectors registering very small photon fluxes. In [J. Opt. Soc. Am." "B 23, 2185 ...
Advanced Energy Announces 2008 Third Quarter Financial Results Driven by Record Solar Revenues.(Financial report)
Nov 05, 2008 ... Advanced Energy Industries, Inc. (NASDAQ:AEIS) announced financial results for the third quarter ended September 30, 2008. Sales for the third quarter of 2008 were $84.5 million, which represented a 6.6% decline from $90.5 million in the same quarter a year ago and a 4.0% decline from ...
NowMessage.com Service Expanded to Support Alltel and U.S. Cellular Blackberry Users.
Nov 05, 2008 ... Common Voices, a leader in IP voicemail systems, announces the immediate availability of NowMessage.com for Blackberry(R) users on Alltel Wireless and U.S. Cellular networks. A free service, NowMessage.com releases users from the restrictions of conventional voicemail. ...
Reports outline advanced materials study findings from Nagoya University.(Report)
Nov 05, 2008 ... According to recent research published in the journal Science and Technology of Advanced Materials, "A force and/or torque are induced in a material under the imposition of a magnetic field. Their magnitudes are different from those acting on the surrounding materials because of the ...