Titlebook: Biological Radiation Effects; Jürgen Kiefer Textbook 1990 Springer-Verlag Berlin Heidelberg 1990 Activation.Endoplasmatisches Reticulum.Ph

Fortuitous

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Globaler Klimawandel: die Grundlagen,l parameters, apart from those which were already treated in more detail. The time pattern of exposure plays an important role, both fundamentally and practically. With respect to the recent interest in hyperthermia in radiation therapy, the combination of heat and radiation at the cellular level is

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功多汁水

,Blüte und Zusammenbruch der Maya-Kultur,t predominantly to bring radiation biology from a descriptive to a higher theoretical level but more to allow estimates in dose ranges where direct experimental determinations are not feasible or even possible. A well known and important example is the behaviour at very low doses and dose rates. All

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Menschliches und Spekulatives zur Zukunft,t of the chapter is devoted to the acute radiation syndrome as it develops after whole-body exposure to ionizing radiation and which is mainly caused by the impairment of cell division in the renewal systems of the blood-forming organs and the alimentary tract. In the last section, the acute “radiat

nettle

Fundamentals of Radiation Attenuation in Matter,vide the basis for more detailed considerations in the following chapters. The important concept of “interaction cross section” is explained and discussed followed by the formalisms of collision processes, both with and without the action of an attracting field. This allows to derive expressions for the amount of energy transferred.

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Interaction Processes,arged particles are particularly emphasized since they play an essential role in the effects of ionizing radiation. This also involves fundamental approaches for the determination of ranges and fluence distributions.

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Photo- and Radiation Chemistry of DNA,uch an exclusive statement is not possible although strand-breaks undoubtedly play a very important role. The influence of exposure conditions and modification by additives (photosensitizers, oxygen) are described as well as the dependence on ionization density.

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