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- Cannon is living a fantasy
- I don't live in Rep. Chris Cannon's district, but his position on the economy is so ridiculous in so many ways, I feel compelled to comment. First he says that we must bring down the cost of energy and that the root of the problem is "regulatory restraints."...
- Research articles 2008-06-19
- Geometric-invariant image watermarking by key-dependent triangulation
- Fast and massive dissemination of image data across the Internet imposes great challenges of protecting images against illegal access and unauthorized reproduction. Image watermarking provides a powerful solution for intellectual protection. In this paper, a new image watermarking approach robust to various geometric distortions is proposed. The new scheme involves...
- Research articles 2008-06-01
- Effects of flow conditioning on gas measurement
- Gas flow Grate measurement errors at field meter stations have many causes. For instance, errors can result from an improper installation configuration, unrealistic calibration of a meter or degradation of meter performance over time. Industry standards have been developed to help meter station designers and operators avoid situations that...
- Research articles 2008-02-01
- A case study survey of harmonic currents generated from a computer centre in an office building
- Abstract: Due to the growing use of non-linear load equipment and new technologies in buildings, harmonic currents generated in distribution systems pose a new problem for electrical engineers. This is a serious problem when power quality is a prime concern. The problem is due to some non-linear loads showing different...
- Research articles 2007-09-01
- Improving power amplifier efficiency in CDMA & WiMAX systems: efficient design and implementation of crest factor reduction and PA linearization solutions.(code-division multiple-access, Worldwide lnteroperability for Microwave Access)
- WiMAX is an acronym for Worldwide lnteroperability for Microwave Access, a certification mark for products that pass conformity and interoperability tests for the IEEE 802.16 standards. The WiMAX Forum, formed in 2001, describes WiMAX as "a standards-based technology enabling the delivery of last mile wireless broadband...
- Research articles 2007-01-01
- Reducing distortions to agricultural incentives: progress, pitfalls, and prospects
- Most of the world's poorest people depend on farming for their livelihood. Earnings from farming in low-income countries are depressed partly due to a pro-urban bias in own-country policies, and partly because richer countries including some developing countries favor their farmers with import barriers and subsidies. Both sets of policies...
- Research articles 2006-12-01
- GAS AND ELECTRICITY : TIME FOR AN OVERHAUL OF EU MARKETS.
- The way in which Europe's electricity and gas markets operate was at the centre of a parliamentary hearing organised by the European Parliament's Industry Committee ITRE on 20 April in Brussels. The Internal Market is meant to provide reliable indications as to prices to allow investments...
- Research articles 2006-05-05
- How to Live in Harmony With Harmonics
- This is Part 2 of a two-part excerpt of an approximately 30-page white paper. Pan 1, which was published in November, discussed the source of harmonics, the rise of standards to control their effects, and two common solutions applied to variable-frequency drives.Non-linear loads on an electrical system can create power-quality...
- Research articles 2005-12-01
- How to Live in Harmony With Harmonics
- This is Part 1 of a two-part excerpt of an approximately 30-page white paper. In this installment, the authors discuss the source of harmonics, the rise of standards to control their effects, and various common solutions.Non-linear loads in an electrical system can create power-quality problems for the user and utility....
- Research articles 2005-11-01
- Control Harmonic Distortion.
- Eddie Jones, PE; Larry Ray, PE; and Tim Shuter, PE, Schneider Electric Combining distortion producing devices with a standby generator in a water treatment plant can make for disturbing currents. A temporary fix served on the way to an active ...
- Research articles 2007-05-01
- Barroso says more EU measures on Chinese textiles may be taken
- LISBON AFP — The European Union may adopt more emergency measures to curb Chinese textile imports, in addition to those already put in place earlier this week on two key categories, European Commission President Jose Manuel Barroso said. "For now we have announced certain measures which are important, if...
- Research articles 2005-05-19
- Design of linear S-band power amplifiers with high power-added efficiency.(TECHNICAL FEATURE)
- For most narrowband wireless devices, a power amplifier PA is normally used to boost the signal level, prior to transmission. The fundamental requirements in PA design are to achieve a high output power at the 1 dB compression point (P1dB), reasonable power gain and excellent power-added...
- Research articles 2005-04-01
- RENEWABLES INDUSTRY ANNOUNCES PRIORITIES.
- The proper implementation of Directives on renewables should take priority over the harmonisation of support mechanisms within the European Union, according to the European Renewable Energy Council EREC. During a dinner-debate at the European Parliament on January 24, EREC Chairman Arthuros Zervos outlined his grievances to...
- Research articles 2005-01-28
- Lies, damned lies, and journalists: who's telling the biggest whoppers?
- MARK HALPERIN, the political director of ABC News, became the center of a minor tempest when an internal memo of his leaked to the Drudge Report. The memo, dated October 8, said that the Bush campaign was telling more, and bigger, lies than the Kerry campaign: The New...
- Research articles 2004-11-08
- Reform and Development in China: A New Institutional Economics Perspective
- The success of China's approach to transition has produced many challenges to the conventional wisdom in economic theory. The transition in essence is a process of institutional changes from those of a planned economy to those of a market economy. In the paper we argue that the economic institutions of...
- Research articles 2004-10-01
- Electric goblins in water treatment systems: if your plant is experiencing inexplicable nuisance tripping, inconsistent power quality or extensive power interruptions, harmonic distortion may be the culprit.(Municipal Special Edition)
- Water treatment plants and pumping stations supported by variable-frequency drives VFDs may be unwittingly threatened with power system problems including interruptions, interference, downtime and even disruption of instrumentation and other sensitive equipment due to an elusive culprit called harmonic distortion. This is an undetected condition...
- Research articles 2003-10-01
- Thailand Needs Tax Overhaul to End Distortions.
- By Chatrudee Theparat, Bangkok Post, Thailand Knight Ridder/Tribune Business News Jul. 12--Restructuring import taxes on 2,113 industrial product categories would cost the country five billion baht in revenue in the first three years of the new regime, according to Kitti Limsakul, an...
- Research articles 2003-07-12
- Handling harmonics with AC drives. (Focus: motors, drives, pumps).
- AC motors are abundant in the HVAC industry. Every fan and pump application requires an AC motor. For efficient and reliable control, adjustable-speed drives are becoming a common companion for these motors. However, as drives are boosting production, they might also be contributing...
- Research articles 2003-04-21
- Modeling 802.11a-based wLAN systems
- Complex communications standards such as the OFDM-based IEEE 802.11 a methods employed in WLANs can be simulated with the right system-level software simulation tools. Multicarrier modulation schemes are gaining momentum in the communications marketplace due to bandwidth efficiency. In particular, orthogonal-frequency-division-multiplex OFDM systems allow carriers to be very tightly packed...
- Research articles 2002-11-01
- Transaction costs relating to acquisition or enhancement of intangible property: a populist, political, but practical perspective
- "An outstanding feature of this criterion [of Practicality] is the restraint it imposes on zealous aspirations to achieve near perfect conformity with other criteria. Compromises, often quite crude, are forced frequently because dogged Practicality must be heeded." (1) I. INTRODUCTION Since the early 1970s, a taxpayer has been...
- Research articles 2002-09-22
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