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Showing 1 to 20 of 95298 for “"high"”.
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High-Performance High-Power Inductor Design for High-Frequency Applications
… Frequencies (RF) of many MHz and above. In the High Frequency (HF, 3-30 MHz) range, coreless (or "air-core") inductors with a typical quality factor (Q) of 200-300 are conventionally used and are often the major contributor to the overall system’s loss and size. Even when they can achieve high …
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Design of High-density Transformers for High-frequency High-power Converters
… One of the design challenges of the high-density power converter design is to have high-density magnetic components which are usually the most bulky parts in a converter. Increasing the switching frequency to shrink the passive component size is the biggest contribution towards …
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Development Of High Strength High Toughness Third Generation Advanced High Strength Steels.
<p>Third generation advanced high strength steels (AHSS's) are emerging as very important engineering materials for structural applications. These steels have high specific strength and thus will contribute significantly to weight reduction in automotive and other structural component. In this …
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I. High Pressure - High Temperature Electronic Spectra. Ii. Electricalresistance at High Pressure
Made available in DSpace on 2014-12-05T17:15:33Z (GMT). No. of bitstreams: 1 6101594.pdf: 4432309 bytes, checksum: 99156e1f200ce917d016394777b894d5 (MD5) Previous issue date: 1961
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High-K MOSFETS with high mobility channels
… The first part investigates the integration of high-?? gate dielectrics HfO2 and HfAlO on high hole mobility compressive strained-SiGe (I?-SiGe) surface channel for pMOSFET. A high-??/I?-SiGe interfacial layer contains GeOx if the dielectrics are deposited on I?-SiGe directly, whereas the …
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High Performance, High Availability Distributed Processor Systems
… are often heralded as systems which can provide high performance along with availability. In order to realize such an environment it is necessary to develop algorithms for sharing the system workload. Analytic as well as simulation models are being used to study the behavior of various …
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Mitigating high-temperature, high-pressure hydrogen attack
High-temperature, high-pressure hydrogen attack is a degradation mechanism that threatens the integrity of critical components in re fineries and petrochemical plants. This phenomenon was discovered in the early twentieth century, however, the experience-based recommended practice used to design …
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High Frequency, High Current Density Voltage Regulators
… microprocessors. The design challenges are the high current, high di/dt, and stringent load-line requirement. When the energy is transferred from the input of a VRM, through the VRM, then through the power delivery path to the processor, it needs sufficient capacitors to relay this energy. The …
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Tunable High-Field/ High-Frequency ESR and High-Field Magnetization on Single-Molecule Clusters
… clusters have been studied by application of high magnetic fields. The magnetization has been probed with an MPMS as function of temperature and field. The combination with pulse field measurements up to 52\,T allowed determination of the magnetic exchange coupling parameters, and to probing …
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Degradation of GaN High Electron Mobility Transistors under high-power and high-temperature stress
GaN HEMTs (High Electron Mobility Transistors) are promising candidates for high power and high frequency applications but their reliability needs to be established before their wide deployment can be realized. In this thesis, degradation mechanisms of GaN HEMTs under high-power and …
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High Slew Rate High-efficiency Dc-dc Converter
… proposed to improve VR transient response at high slew rate load, which engages in transient periods operating in MHZ to inject high slew rate current in step up load and recovers energy in step down load. Main VR operates in low switching frequency mainly providing DC current. Parallel ATVC …
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High Quality Induction to Ensure High Quality Teaching
… 2012; Kini & Podolysky, 2016). However, with high teacher attrition rates nationwide and decreased enrollment in and completion of teacher preparation programs, researchers are projecting a difference of 200,000 candidates by the 2024-25 school year between the supply of teachers and the …
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High power high efficiency multiple-beam klystron design
… investigation and optimisation methods used. The high desired efficiency of 80% requires low perveance beams, to achieve the specification output power 20 beams are needed. The choice of cavity used in the interaction structure of a klystron has a large impact on its size and efficiency. To …
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High Power and High Frequency Class-DE Inverters
… RF power up to a frequency of 5MHz with a higher combination of power and efficiency than any other present topology. The pracucal problems of even higher operaun& frequencies are discussed and some possible solutions suggested. The mismatched load tolerance of a Class-DE type inverter is …
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High fracture toughness and high modules silicone resins
… can compromise modulus and other properties. High fracture toughness and modulus addition cure rigid silicone resins are obtained in this study by a combination of intrinsic toughening and extrinsic toughening techniques. The addition cure silicone resin comprises two components: …
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The tempering of high carbon high chromium steels
Thesis: Sc. D., Massachusetts Institute of Technology, Department of Metallurgy, 1941
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High Temperature High Bandwidth Fiber Optic Pressure Sensors
… sensors are often difficult to apply due to the high temperatures, highly corrosive agents or electromagnetic interference (EMI) noise that may be present in those environments. Fiber optic pressure sensors have been developed for years and proved themselves successfully in such harsh …
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Development of High Speed High Dynamic Range Videography
High speed video has been a significant tool for unraveling the quantitative and qualitative assessment of phenomena that is too fast to readily observe. It was first used in 1852 by William Henry Fox Talbot to settle a dispute with reference to the synchronous position of a horse's hooves while …
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