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Die vorliegende Arbeit entstand im Rahmen eines
Forschungsprogrammes tiber instationare Rohrstromungen am
Aerodynamischen Institut der Rheinisch Westfalischen Technischen
Hochschule Aachen. An dieser Stelle mochte ich dem Institutsleiter,
Herrn Professor Dr. Ing. F. SEEWALD, danken ftir die gewahrte
Moglichkeit der Durchfuhrung der Ar beit und fur das Interesse,
welches er ihr entgegengebracht hat. Meinem le der schon
verstorbenen Lehrer, Berrn Professor Dr. Ing. P. HADLATSCH, bin ich
ftir die Aufgabenstellung, fur seine wissenschaftliohe Anregung und
Forderung zu stetem Dank verpflichtet. Der Dozentur ftir Warme-,
Kalte- und Verfahrenstechnik und ihrem Leiter, Berrn Professor Dr.
W. LINKE, moehte ioh flir Ratsehlage bei der Durehfuh rung der
warmeteehnischen Messungen und fur die Uberlassung von MeBgeraten,
sowie Herrn Dr. Ing. H. ZELLER ftir Ratsehlage und ftir
wissenschaftliche Anregung, ebenfalls danken. Weiterhin sei gedankt
dem Wirtschafts- und Verkehrsministerium von Nordrhein Westfalen
flir die Bereitstellung von Mitteln, sowie den Houbenwerken Aachen,
welche die Arbeit zeitweise unterstlitzten. II. Einleitung Durch
die technische Entwicklung in den letzten Jahrzehnten hat die Unter
suchung nichtstationarer Stromungsvorgange erheblich an Bedeutung
gewonnen. Auf Grund dieser Tatsaehe wurde in den letzten Jahren
eine Anzahl von Ar beiten veroffent1icht, die sieh speziel1 mit der
instationaren Rohrstro mung befassen 5,6,7,13,15,27,28,29,35J.
Dadurch wurden auf einer Reihe von Gebieten neue Erkenntnisse und
Fortschritte erzielt. So konnte z.B."
Fruits are an excellent source of essential vitamins, minerals, and
dietary fibre in the human diet. They are also a rich source of
secondary metabolites that are proving to play an important role in
the protection against numerous chronic diseases. These substances
are almost ubiquitous in plant-derived foods and inherently have
more subtle effects than nutrients. This book explores the
different processing methods used in the food industry, which may
modify their contents, structure, and biological activity in
humans. In addition, the relationships between dietary fibres and
gut motility are explored since dietary fibres carry out many
physiological functions in the gastrointestinal tract aimed at
health preservation. This book also summarises recent progressions
on the use of in vitro models to study health effects of dietary
fibres and other nutrients using in vitro colon cell models. In
addition, epidemiological studies evidence that plant-based food
play a crucial role in the prevention of diseases. The authors
highlight the potential of tropical and temperate fruits as sources
of dietary fibre with associated antioxidant compounds. Other
chapters in this book examine the fruit and vegetable consumption,
physical activity levels and body mass index among teenagers,
explore new dietary strategies to reduce cardiovascular disease
(CVD) and discuss the potential of using alternative dietary
assessment methods for researches of dietary fibre colorectal
cancer.
This is an EXACT reproduction of a book published before 1923. This
IS NOT an OCR'd book with strange characters, introduced
typographical errors, and jumbled words. This book may have
occasional imperfections such as missing or blurred pages, poor
pictures, errant marks, etc. that were either part of the original
artifact, or were introduced by the scanning process. We believe
this work is culturally important, and despite the imperfections,
have elected to bring it back into print as part of our continuing
commitment to the preservation of printed works worldwide. We
appreciate your understanding of the imperfections in the
preservation process, and hope you enjoy this valuable book.
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