Microwave heating has found many applications ranging from the microwave ovens in kitchen to heat food, to a sterilization apparatus for medical treatment, to materials processing in the various fields. In those applications, microwave heating demonstrates significant advantages over conventional methods in reduced processing time and less environmental impacts. This book is comprised of eight chapters within three parts highlighting different aspects covering both the basic understandings and the advanced applications....
The book offers comprehensive coverage of the broad range of scientific knowledge in the fields of advances in induction and microwave heating of mineral and organic materials. Beginning with industry application in many areas of practical application to mineral materials and ending with raw materials of agriculture origin the authors, specialists in different scientific area, present their results in the two sections: Section 1-Induction and Microwave Heating of Mineral Materials, and Section 2-Microwave Heating of Organic Materials....
Microwave Materials Characterization is an edited book discussing recent researches on basic and innovative measurement techniques for the characterization of materials at microwave frequencies, in terms of quantitative determination of their electromagnetic parameters, namely the complex permittivity and permeability. It is divided into two parts: Part 1, including original contributions on advanced techniques for the characterization of dielectric materials, and Part 2, devoted to the microwave characterization of biological tissues....
Revised and completely updated, RF/Microwave Circuit Design for Wireless Applications, Second Edition is a unique, state-of-the-art guide to wireless integrated circuit design that provides researchers and engineers with a complete set of modeling, design, and implementation tools for tackling even the newest IC technologies. It emphasizes practical design solutions for high-performance devices and circuitry, incorporating ample examples of novel and clever circuits from high-profile companies.
Chitosan oligomers were prepared by oxidative degradation of chitosan (with hydrogen peroxide) under microwave irradiation. This is convenient, friendly and effective method to prepare chitosan oligomers. By 1 H-NMR, IR spectrum, the structure of the products was identified and keeps the same as of chitosan. By LC-MS analysis, it proved that chitosan was decomposed to five fractions, the smallest one about D- glucosamine 3 units (at least).
Signal processing has been playing an increasingly important role in remote sensing,
though most remote sensing literatures are concerned with remote sensing images. Many
data received by remote sensors such as microwave and geophysical sensors, are signals or
waveforms, which can be processed by analog and digital signal processing techniques.
The definition for dielectric constant relates to the permittivity of the material (symbol use
here ε). The permittivity expresses the ability of a material to polarise in response to an
applied field. It is the ratio of the permittivity of the dielectric to the permittivity of a
vacuum. Physically it means the greater the polarisation developed by a material in an
applied field of given strength, the greater the dielectric constant will be. Traditionally
dielectric materials are made from inorganic substances eg. mica and silicon dioxide.
In many small and shallow aquifers the hydrochemistry does not evolve further. However, the
baseline natural quality of groundwater may vary spatially within the same aquifer if the
mineral assemblages vary, and also evolves with time as the water moves along groundwater
flow lines. If an aquifer dips below a confining layer (Figure 2.5), a sequence of
hydrochemical processes occurs with progressive distance down gradient away from the
outcrop, including precipitation of some solids when relevant ion concentrations reach
saturation levels for a solid mineral phase.
High integration and low power consumption
15 radio carriers at the Abis sharing an E1 for transmission (15:1)
Support various transmission modes and complex topologies,
e.g. SDH, E1, microwave, satellite etc.
1-minute fast startup
Support GSM900,DCS1800,EGSM and RGSM
Support GSM PHASE 1、PHASE 2 and PHASE 2+
Support GPRS and EDGE
Support baseband hopping and RF hopping
Support FR, HR, EFR and AMR
Support A5/1 and A5/2 encryption/decryption
This book deal with the modern developing of microwave and millimeter wave technologies.
The first chapter is aimed at describing the evolution of technological processes for the design
of passive functions in millimetre-wave frequency range. From the results HR SOI seems to
be a good candidate in the coming year to address both low cost and low power mass market
CMOS digital and RF/ MMW applications.
Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài: Excellent Field Emission Properties of Short Conical Carbon Nanotubes Prepared by Microwave Plasma Enhanced CVD Process
To fulfill the ever increasing demands of internet based communication network, the
speed of computing as well as the speed of data processing should be high enough
with the transmission medium of enormous potential bandwidth having the vast
amount of information handling capabilities. On the other hand, conventional
electronic technology has already reached its ultimate speed limit (40 Gb/s) through
the limitations of miniaturization of chips and bandwidth limitation, and obviously it
will create data traffic jam in future internet based networking services....
When we thus contemplate the process of social hygiene, we are no longer in danger of looking upon it as an
artificial interference with Nature. It is in the Book of Nature, as Campanella put it, that the laws of life and of
government are to be read. Or, as Quesnel said two centuries ago, more precisely for our present purpose,
"Nature is universal hygiene." All animals are scrupulous in hygiene; the elaboration of hygiene moves pari
passu with the rank of a species in intelligence. Even the cockroach, which lives on what we call filth, spends
the greater part of its time in the...
Modern communication systems require radio frequency and microwave signals for the wireless transmission of information. These systems employ oscillators, mixers, ®lters, and ampli®ers to generate and process various kinds of signals. The transmitter communicates with the receiver via antennas placed on each side. Electrical noise associated with the systems and the channel affects the performance. A system designer needs to know about the channel characteristics and system noise in order to estimate the required power levels....
The purpose of The Electrical Engineering Handbook, 3rd Edition is to provide a ready reference for the
practicing engineer in industry, government, and academia, as well as aid students of engineering.
Research on nanoparticles, including synthesis, characterization of the structural,
chemical and physical properties, assembly into 1-, 2- and 3-dimensional
architectures extending over several lengths scales and with hierarchical construction
principles, and application in various fields of technology, represents
a fundamental cornerstone of nanoscience and nanotechnology.
This book attempts to bring together the theory and practice of dielectric materials for different kind of industrial applications. Fragmented information on dielectric theory and properties of materials, design of equipment and state of the art in applications relevant to the manufacturing industry should be collated and updated and presented as a single reference volume. In this book relevant and useful information is presented in the quoted literature and covered by our key patent applications....