作者: 租約 時(shí)間: 2025-3-22 00:07 作者: medieval 時(shí)間: 2025-3-22 02:12 作者: META 時(shí)間: 2025-3-22 07:37
,Klimarisiken für die Finanzm?rkte,This introductory chapter gives a description of the different types of radiation and briefly outlines the means of their production. Spectral distributions are explained and discussed. A final paragraph deals with the fundamentals of radioactivity.作者: antedate 時(shí)間: 2025-3-22 09:39
,Untergang der Wikinger auf Gr?nland,The relevance of cell division for the function of the whole organism is discussed, and the basic structure of some systems outlined. This is followed by the description of some techniques which allow the determination of cell survival in vivo together with a review of important results.作者: 返老還童 時(shí)間: 2025-3-22 14:48
Klimawandel – Grundlagen und SpekulationThis chapter summarizes all the effects which influence — either directly or indirectly — the children of the exposed individual. These are disturbances of fertility, intrauterine death, teratogenesis and genetic changes. The experimental methods for hazard assessment are introduced and the basis for risk estimates discussed.作者: DENT 時(shí)間: 2025-3-22 19:11 作者: 舊病復(fù)發(fā) 時(shí)間: 2025-3-22 22:43 作者: 施舍 時(shí)間: 2025-3-23 01:27 作者: 敵手 時(shí)間: 2025-3-23 08:59 作者: Halfhearted 時(shí)間: 2025-3-23 12:28 作者: Ruptured-Disk 時(shí)間: 2025-3-23 15:51
https://doi.org/10.1007/978-3-642-38839-2e dose (absorbed energy per unit mass); However, there is a difference between energy . and energy ., as will be explained in detail. The spatial distribution of absorption events also plays a significant role which is macroscopically described by the “l(fā)inear energy transfer” (LET). The applicabilit作者: 得罪 時(shí)間: 2025-3-23 19:44 作者: 玩笑 時(shí)間: 2025-3-24 00:15
Heiko J. Jahn,Alexander Kr?mer,Tanja W?rmannuch 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.作者: 施魔法 時(shí)間: 2025-3-24 05:14 作者: SEVER 時(shí)間: 2025-3-24 09:59 作者: BUMP 時(shí)間: 2025-3-24 13:05
https://doi.org/10.1007/b137763ction and sensitization with ionizing radiation are dealt with in greater depth, particularly the “oxygen effect”; hypotheses for its interpretation are discussed. Radiosensitization by chemical agents, especially those with a possible clinical potential, will be discussed by end of the chapter.作者: Assignment 時(shí)間: 2025-3-24 15:57 作者: CANE 時(shí)間: 2025-3-24 21:05 作者: Neolithic 時(shí)間: 2025-3-25 01:49
https://doi.org/10.1007/978-3-658-11148-9lowed by an outline of experiments in bacteria where the relation to repair processes is well understood. Investigations with mammalian cells are treated in more detail (dependence of radiation quality and cell cycle stages etc). A comparison of different systems shows that mutation frequencies per 作者: Fortuitous 時(shí)間: 2025-3-25 03:52 作者: 紅腫 時(shí)間: 2025-3-25 10:10
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作者: Proponent 時(shí)間: 2025-3-25 12:52 作者: 功多汁水 時(shí)間: 2025-3-25 17:38
,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作者: 最后一個 時(shí)間: 2025-3-25 20:54
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作者: nettle 時(shí)間: 2025-3-26 01:33
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.作者: scoliosis 時(shí)間: 2025-3-26 05:07
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.作者: 推測 時(shí)間: 2025-3-26 12:00
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.作者: 安慰 時(shí)間: 2025-3-26 13:31 作者: IRATE 時(shí)間: 2025-3-26 18:12 作者: Fibrinogen 時(shí)間: 2025-3-26 22:07
https://doi.org/10.1007/978-3-642-83769-2Activation; Endoplasmatisches Reticulum; Photochemistry; Strahlenbiologie; Strahlenschutz; Strahlentherap作者: febrile 時(shí)間: 2025-3-27 04:14
978-3-540-51089-5Springer-Verlag Berlin Heidelberg 1990作者: 自愛 時(shí)間: 2025-3-27 08:27
Globaler Wandel und Adaptionskommunikation,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.作者: 動脈 時(shí)間: 2025-3-27 12:29 作者: Inculcate 時(shí)間: 2025-3-27 16:36
Heiko J. Jahn,Alexander Kr?mer,Tanja W?rmannuch 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.作者: 同步信息 時(shí)間: 2025-3-27 20:55
https://doi.org/10.1007/b137763ction and sensitization with ionizing radiation are dealt with in greater depth, particularly the “oxygen effect”; hypotheses for its interpretation are discussed. Radiosensitization by chemical agents, especially those with a possible clinical potential, will be discussed by end of the chapter.作者: 容易生皺紋 時(shí)間: 2025-3-27 23:19 作者: 粘土 時(shí)間: 2025-3-28 04:36
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作者: 濕潤 時(shí)間: 2025-3-28 07:33 作者: 狂熱語言 時(shí)間: 2025-3-28 13:19 作者: 軟弱 時(shí)間: 2025-3-28 18:39 作者: Conscientious 時(shí)間: 2025-3-28 22:20
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.作者: Mindfulness 時(shí)間: 2025-3-29 02:48
Radiation Effects on Subcellular Systems,be given which describes quantitatively the effects on “small” systems. Investigations using viruses (especially bacteriophages), plasmids or isolated DNA are outlined. A special section deals with repair phenomena at the subcellular level. The chapter includes also a description of “gene mapping”, 作者: 船員 時(shí)間: 2025-3-29 03:26 作者: 遷移 時(shí)間: 2025-3-29 08:15 作者: 小歌劇 時(shí)間: 2025-3-29 12:55
Radiation and the Cell Cycle, is found both with UV and with sparsely ionizing radiations; in many cases, the two types show a mirror-image-like relationship. Radiation also slows down the progression of cells through the cycle; this effect is reversible with low doses. The inhibition of DNA synthesis is particularly relevant i作者: 令人作嘔 時(shí)間: 2025-3-29 19:23 作者: 使高興 時(shí)間: 2025-3-29 21:23 作者: 殘暴 時(shí)間: 2025-3-30 02:56 作者: Exuberance 時(shí)間: 2025-3-30 04:45
Modifications of Radiation Effects by External Influences,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作者: Electrolysis 時(shí)間: 2025-3-30 09:20
Special Aspects of Cellular Radiation Action,ere. The action of long-wavelength UV and visible light is certainly important from an ecological point of view but also with regard to some medical applications. Radiowaves and ultrasound are also becoming to play a role in diagnosis and sometimes therapy, and there is some concern in the public ab作者: Ingratiate 時(shí)間: 2025-3-30 13:27
Theoretical Models of Cellular Radiation Action,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作者: mastopexy 時(shí)間: 2025-3-30 18:09
Acute Radiation Damage,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作者: 大火 時(shí)間: 2025-3-30 23:47
urg or Chernobyl. These considerations, however, were not the reason for writing this book although it is hoped that it will also be helpful in this respect. The interaction of radiation with biological systems is such an interesting research objective that to my mind no special justification is nee作者: diskitis 時(shí)間: 2025-3-31 02:31 作者: 的染料 時(shí)間: 2025-3-31 09:06
Klimawandel und Resilience Management down the progression of cells through the cycle; this effect is reversible with low doses. The inhibition of DNA synthesis is particularly relevant in this respect and will, therefore, be discussed in more detail.作者: STANT 時(shí)間: 2025-3-31 11:17 作者: glowing 時(shí)間: 2025-3-31 16:29
Menschliches und Spekulatives zur Zukunft,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 “radiation sickness” in its clinical form is briefly described.作者: defile 時(shí)間: 2025-3-31 20:02
Radiation Effects on Subcellular Systems, DNA are outlined. A special section deals with repair phenomena at the subcellular level. The chapter includes also a description of “gene mapping”, which demonstrates how radiobiological approaches may be successfully applied to problems of general molecular biology.作者: 遺傳 時(shí)間: 2025-3-31 21:45
Radiation and the Cell Cycle, down the progression of cells through the cycle; this effect is reversible with low doses. The inhibition of DNA synthesis is particularly relevant in this respect and will, therefore, be discussed in more detail.作者: mighty 時(shí)間: 2025-4-1 03:28 作者: hallow 時(shí)間: 2025-4-1 08:09 作者: 確保 時(shí)間: 2025-4-1 11:36 作者: ANT 時(shí)間: 2025-4-1 14:21
https://doi.org/10.1007/978-3-658-11148-9unit dose increases with DNA content which has consequences for the interpretation of mechanisms. The very important technique of in vitro neoplastic transformation and some results obtained are introduced in the last section.作者: pacific 時(shí)間: 2025-4-1 21:22
Globaler Klimawandel: die Grundlagen, discussed. Modifications by pharmaceutical agents can only be described by a few examples, mainly repair inhibitors. The last section deals with changes in tonicity to demonstrate the complexity of biological radiation action and may serve as a safeguard to avoid the premature acceptance of too simple mechanistic models.作者: Chromatic 時(shí)間: 2025-4-1 23:21 作者: 凝乳 時(shí)間: 2025-4-2 03:17 作者: Dealing 時(shí)間: 2025-4-2 07:54
https://doi.org/10.1007/978-3-642-38839-2hich is dealt with under the heading “microdosimetry”. This will be followed by a description of the energy deposition in the close vicinity of the track of an ionizing particle. The concept of dose as defined above is generally not meaningful with optical radiation; thus, other relevant quantities such as photon or energy fluence are introduced.
