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Practical Tools For Designing And Weighting Survey Samples

RRP $247.99

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Survey sampling is fundamentally an applied field. The goal in this book is to put an array of tools at the fingertips of practitioners by explaining approaches long used by survey statisticians, illustrating how existing software can be used to solve survey problems, and developing some specialized software where needed. This book serves at least three audiences: (1) Students seeking a more in-depth understanding of applied sampling either through a second semester-long course or by way of a supplementary reference; (2) Survey statisticians searching for practical guidance on how to apply concepts learned in theoretical or applied sampling courses; and (3) Social scientists and other survey practitioners who desire insight into the statistical thinking and steps taken to design, select, and weight random survey samples.

Several survey data sets are used to illustrate how to design samples, to make estimates from complex surveys for use in optimizing the sample allocation, and to calculate weights. Realistic survey projects are used to demonstrate the challenges and provide a context for the solutions. The book covers several topics that either are not included or are dealt with in a limited way in other texts. These areas include: sample size computations for multistage designs; power calculations related to surveys; mathematical programming for sample allocation in a multi-criteria optimization setting; nuts and bolts of area probability sampling; multiphase designs; quality control of survey operations; and statistical software for survey sampling and estimation. An associated R package, PracTools, contains a number of specialized functions for sample size and other calculations. The data sets used in the book are also available in PracTools, so that the reader may replicate the examples or perform further analyses.


Harnessing Vlsi System Design With Eda Tools

RRP $338.99

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With the proliferation of VHDL, the reference material also grew in the same order. Today there is good amount of scholarly literature including many books describing various aspects of VHDL. However, an in-depth review of these books reveals a different story. Many of them have emerged simply as an improved version of the manual. While some of them deal with the system design issues, they lack appropriate exemplifying to illustrate the concepts. Others give large number of examples, but lack the VLSI system design issues. In nutshell, the fact which gone unnoticed by most of the books, is the growth of the VLSI is not merely due to the language itself, but more due to the development of large number of third party tools useful from the FPGA or semicustom ASIC realization point of view. In the proposed book, the authors have synergized the VHDL programming with appropriate EDA tools so as to present a full proof system design to the readers. In this book along with the VHDL coding issues, the simulation and synthesis with the various tool sets enables the potential reader to visualize the final design. The VHDL design codes have been synthesized using different third party tools such as Xilinx Web pack Ver.11, Modelsim PE, Leonrado Spectrum and Synplify Pro. Mixed flow illustrated by using the above mentioned tools presents an insight to optimize the design with reference to the spatial, temporal and power metrics.


Healing Powers Of Vinegar, The

RRP $13.99

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Vinegar has been used since ancient times as a zesty seasoning and a healthy tonic to relieve fatigue, help digestion and aid in weight loss. Today, vinegar is being rediscovered for its potential to help prevent and treat a wide range of conditions. In "The Healing Powers of Vinegar", health journalist Cal Orey tells the remarkable story of vinegar, a time-honored folk remedy and modern health wonder. Written in a lively and easy-to-read style, this book traces the origins of vinegar lore to ancient Greece and Egypt, and then follows its history to the present day. Quoting from leading alternative health practitioners as well as medical researchers, Orey describes the latest research about vinegar's cutting-edge nutrients, including:
-- A new class of antioxidants found in red wine vinegar and apple cider vinegar that slows down blood clotting and inhibits cancer-forming carcinogens
-- A powerful class of nutrients found in red wine vinegar that helps fight allergies and viruses as well as reduce cholesterol levels
-- Amino acids -- for memory loss and anti-aging
-- Enzymes -- for digestive disorders and poor metabolism
-- Minerals -- to prevent bone diseases such as osteoporosis, prevent strokes, treat anemia and fatigue, as well as lower high blood pressure and high cholesterol
-- Ingredients that suppress appetite and aid weight loss

Includes true stories of vinegar's curative powers, household uses, and beauty preparations and over 100 recipes that team up vinegar with other nutritious foods for a healthier, longer life.


Thermo-energetic Design Of Machine Tools

RRP $354.99

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The approach to the solution within the CRC/TR 96 financed by the German Research Foundation DFG aims at measures that will allow manufacturing accuracy to be maintained under thermally unstable conditions with increased productivity, without an additional demand for energy for tempering. The challenge of research in the CRC/TR 96 derives from the attempt to satisfy the conflicting goals of reducing energy consumption and increasing accuracy and productivity in machining.

In the current research performed in 19 subprojects within the scope of the CRC/TR 96, correction and compensation solutions that influence the thermo-elastic machine tool behaviour efficiently and are oriented along the thermo-elastic functional chain are explored and implemented. As part of this general objective, the following issues must be researched and engineered in an interdisciplinary setting and brought together into useful overall solutions:

1. Providing the modelling fundamentals to calculate the heat fluxes and the resulting thermo-elastic deformations in a comprehensive manner,

2. Mapping of the structural variability as a result of the relative movement inside the machine tool,

3. Providing the tools for an efficient adjustment of parameters that vary greatly in time and space by means of parameter identification methods as a prerequisite for correction and compensation solutions,

4. Engineering and demonstrating solutions to control-integrated correction of thermo-elastic errors by an inverse position setpoint compensation of the error at the TCP,

5. Engineering and demonstrating solutions based on the material properties to compensate for thermo-elastic effects through a homogeneous propagation of the temperature field, as well as reducing and smoothing the distribution of heat dissipated in supporting structures,

6. Developing metrological fundamentals to record the thermo-elastic errors in special structural areas of machine tools,

7. Engineering a methodological approach to simultaneous and complex evaluation of the CRC/TR 96 solutions, referring to their impact on product quality, production rate, energy consumption and machine tool costs



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