DISEÑo de EXPERIMENTOS con STATGRAPHICS CENTURION

DISEÑo de EXPERIMENTOS con STATGRAPHICS CENTURION

Author: Csar Lpez Prez

Publisher: Createspace Independent Publishing Platform

Published: 2016-06-28

Total Pages: 198

ISBN-13: 9781534965539

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El diseño de experimentos es una herramienta estadística muy útil para descubrir las variables clave (factores) que influyen en las características de calidad de interés en un proceso.Mediante esta técnica estadística se varían sistemáticamente los factores controlables de entrada x1, x2, ..., xp , y se estudia el efecto que tienen dichos factores en los parámetros de salida del producto. Mediante el diseño de experimentos se hallan los niveles de las variables x1, x2, ..., xp que optimizan el rendimiento del proceso de modo que la variabilidad de y sea pequeña, y que se minimicen los efectos de las variables incontrolables (z1, z2,...,zp). El diseño de experimentos es una importante herramienta de control de calidad fuera de línea, porque se usa a menudo durante las actividades de desarrollo y en las primeras etapas de la fabricación, en contraposición a los procedimientos de control en línea o en proceso.Una vez determinada una lista de variables importantes que afectan a la salida del proceso, suele ser necesario modelar la relación entre las variables de entrada y las características de calidad de la salida.Los métodos de diseño de experimentos tienen gran aplicación en la industria, desempeñando un papel importante en el desarrollo de procesos y en su depuración para mejorar el rendimiento, e incluso, para desarrollar procesos consistentes o robustos mínimamente afectados por fuentes de variabilidad externa (variables z1, z2,...,zp).


Experimental and Quasi-Experimental Designs for Research

Experimental and Quasi-Experimental Designs for Research

Author: Donald T. Campbell

Publisher: Ravenio Books

Published: 2015-09-03

Total Pages: 172

ISBN-13:

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We shall examine the validity of 16 experimental designs against 12 common threats to valid inference. By experiment we refer to that portion of research in which variables are manipulated and their effects upon other variables observed. It is well to distinguish the particular role of this chapter. It is not a chapter on experimental design in the Fisher (1925, 1935) tradition, in which an experimenter having complete mastery can schedule treatments and measurements for optimal statistical efficiency, with complexity of design emerging only from that goal of efficiency. Insofar as the designs discussed in the present chapter become complex, it is because of the intransigency of the environment: because, that is, of the experimenter’s lack of complete control.


Reliability-centered Maintenance

Reliability-centered Maintenance

Author: John Moubray

Publisher: Industrial Press Inc.

Published: 2001

Total Pages: 452

ISBN-13: 9780831131463

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Completely reorganised and comprehensively rewritten for its second edition, this guide to reliability-centred maintenance develops techniques which are practised by over 250 affiliated organisations worldwide.


Adhesives Technology Handbook

Adhesives Technology Handbook

Author: Sina Ebnesajjad

Publisher: William Andrew

Published: 2014-11-26

Total Pages: 437

ISBN-13: 0323356028

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Covering a wide range of industrial applications across sectors including medical applications, automotive/aerospace, packaging, electronics, and consumer goods, this book provides a complete guide to the selection of adhesives, methods of use, industrial applications, and the fundamentals of adhesion. Dr Ebnesajjad examines the selection of adhesives and adhesion methods and challenges for all major groups of substrate including plastics (thermosets and thermoplastics), elastomers, metals, ceramics and composite materials. His practical guidance covers joint design and durability, application methods, test methods and troubleshooting techniques. The science and technology of adhesion, and the principles of adhesive bonding are explained in a way that enhances the reader's understanding of the fundamentals that underpin the successful use and design of adhesives. The third edition has been updated throughout to include recent developments in the industry, with new sections covering technological advances such as nanotechnology, micro adhesion systems, and the replacement of toxic chromate technology. Provides practitioners of adhesion technology with a complete guide to bonding materials successfully Covers the whole range of commonly used substrates including plastics, metals, elastomers and ceramics, explaining basic principles and describing common materials and application techniques Introduces the range of commercially available adhesives and the selection process alongside the science and technology of adhesion


Quality Control and Evaluation of Herbal Drugs

Quality Control and Evaluation of Herbal Drugs

Author: Pulok K. Mukherjee

Publisher: Elsevier

Published: 2019-05-30

Total Pages: 784

ISBN-13: 0128133988

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Quality Control and Evaluation of Herbal Drugs brings together current thinking and practices for evaluation of natural products and traditional medicines. The use of herbal medicine in therapeutics is on the rise in both developed and developing countries and this book facilitates the necessary development of quality standards for these medicines.This book elucidates on various challenges and opportunities for quality evaluation of herbal drugs with several integrated approaches including metabolomics, chemoprofiling, marker analysis, stability testing, good practices for manufacturing, clinical aspects, Ethnopharmacology and Ethnomedicine inspired drug development. Written by Prof. Pulok K Mukherjee, a leader in this field; the book highlights on various methods, techniques and approaches for evaluating the purity, quality, safety and efficacy of herbal drugs. Particular attention is paid to methods that assess these drugs’ activity, the compounds responsible and their underlying mechanisms of action. The book describes the quality control parameters followed in India and other countries, including Japan, China, Bangladesh, and other Asian countries, as well as the regulatory profiles of the European Union and North America. This book will be useful in bio-prospecting of natural products and traditional medicine-inspired drug discovery and development. Provides new information on the research and development of natural remedies - essential reading on the study and use of natural resources for preventative or healing purposes Brings together current thinking and practices in quality control and standardization of herbal drugs highlighting several integrated approaches for metabolomics, chemo-profiling and marker analysis Aids in developing knowledge of various techniques including macroscopy, microscopy, HPTLC, HPLC, LC-MS/MS, GC-MS etc. with the development of integrated methods for evaluation of botanicals used in traditional medicine Assessment of herbal drugs through bio-analytical techniques, bioassay guided isolation, enzyme inhibition, pharmacological, microbiological, antiviral assays and safety related quality issues References global organizations, such as the WHO, USFDA, CDSCO, AYUSH, TCM and others to serve as a comprehensive document for enforcement agencies, NGOs and regulatory authorities


Handbook of Rubber Bonding

Handbook of Rubber Bonding

Author: Bryan G. Crowther

Publisher: iSmithers Rapra Publishing

Published: 2001

Total Pages: 404

ISBN-13: 9781859573945

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Annotation. Many books and papers have been published on adhesion of materials in general but the topics covered by this book have been selected to cover a wide range of interests, both in terms of products and applications. Although there is some discussion of relevant theory in various sections of d104, the emphasis in this volume has been to concentrate on the practicalities of bonding of rubbers, to themselves and substrates. It is considered that this type of information is of immediate interest to the practising technologist dealing with shop floor problems on a daily basis.


Herbal Medicinal Products

Herbal Medicinal Products

Author: Frauke Gaedcke

Publisher: CRC Press

Published: 2003

Total Pages: 208

ISBN-13: 9780849310232

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Herbal medicinal products are becoming more widely accepted as alternatives to medical prescriptions. Many physicians believe that herbal medicinal products are able to beneficially complement or even replace chemical medicines. Recognizing this, European institutions are pushing the harmonization of assessment criteria for herbal medicinal products. However, this kind of reevaluation of herbal medicinal products is combined with increased expectations of physicians, pharmacists, and patients with regard to quality, safety and efficacy. There are often uncertainties about the interpretation of basic terms related to the manufacture and quality of herbal medicinal products. Herbal Medicinal Products clarifies these uncertainties, increasing transparency in the herbal medicinal products market and supporting an adequate scientific discussion related to herbal medicinal products. It offers a complete survey on current scientific knowledge, as well as on legal basic requirements for the development, standardization, and licensing of herbal medicinal products.


Hormones, Signals and Target Cells in Plant Development

Hormones, Signals and Target Cells in Plant Development

Author: Daphne J. Osborne

Publisher: Cambridge University Press

Published: 2005-04-11

Total Pages: 276

ISBN-13: 9781139443067

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Meristematic cells in plants become the many different types of cells found in a mature plant. This is achieved by a selective response to chemical signals both from neighbouring cells and distant tissues. It is these responses that shape the plant, its time of flowering, the sex of its flowers, its length of survival or progress to senescence and death. How do plants achieve this? This treatise addresses this question using well-chosen examples to illustrate the concept of target cells. The authors discuss how each cell has the ability to discriminate between different chemical signals, determining which it will respond to and which it will ignore. The regulation of gene expression through signal perception and signal transduction is at the core of this selectivity and the Target Cell concept. This volume will serve as a valuable reference for all researchers working in the field of plant developmental biology.


Antioxidants in Human Health and Disease

Antioxidants in Human Health and Disease

Author: Tapan Kumar Basu

Publisher: Wallingford [England] : CABI Pub.

Published: 1999

Total Pages: 490

ISBN-13:

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Antioxidants and their mechanisms of action; Food factors as antioxidants; Coronary heart disease; Malignant disease; Other diseases; Indicators of oxidative stress; Consumer issues.