Titre :	Study of the Transfer Factor of Natural Radionuclides from Fertilized Soil to Durum Wheat by Gamma Spectrometry
Type de document :	document électronique
Auteurs :	Nedjwa Reggad, Auteur ; Wafa Bellil, Directeur de thèse ; Ouassila Boukhenfouf, Directeur de thèse
Editeur :	Setif:UFA
Année de publication :	2024
Importance :	1 vol (40 f.)
Format :	29 cm
Langues :	Anglais (eng)
Catégories :	Thèses & Mémoires:Physique
Mots-clés :	Physique
Index. décimale :	530 - Physique
Note de contenu :	Sommaire CHAPTER I: BIBLIOGRAPHICAL DATA I. General review of durum wheat 1 1. Wheat history and origin 1 2. Wheat history 1 2.1. Durum wheat 1 2.2. Soft wheat 1 3. Importance of wheat 2 3.1. Nutritional importance 2 3.2. Economic importance 2 4. The different organs of wheat plant 2 4.1. The vegetative apparatus 3 4.2. The reproductive system 3 5. The development cycle of durum wheat 4 5.1. The vegetative period 4 5.2. The reproductive period 4 5.3. The maturation period 4 II. Durum wheat fertilization 6 1. Fertilization 6 1.1. Definition 6 1.2. Types 6 1.3. Fertilization importance 7 2. Fertilizers 7 2.1. Definition 7 2.2. Types 7 CHAPTER II: RADIOACTIVITY CHAPTER III: MATERIALS AND METHODS 1. General information on radioactivity 9 2. Sources of natural radioactivity 9 3. The quantitative laws of radioactivity 10 3.1. The law of disintegration 10 3.2. The radioactive period or half-life 11 3.3. The activity 11 4. Disintegration modes 11 4.1. Alpha radioactivity (α) 11 4.2. Beta radioactivity (ß) 12 4.3. Gamma radioactivity (γ) 13 5. Radioactive Families 14 5.1. Uranium (238U) 14 5.2. Thorium (232Th) 15 5.3. Potassium (40K) 16 6. Radioactive equilibrium 16 8. Radioactive elements in the soil 17 1. The experimental site 18 1.1. Geographic location 18 1.2. Characteristics of the study region 18 1.2.1. Temperature 18 1.2.2. Precipitation 19 2. Vegetative material 19 3. Fertilizer types 20 4. Experimental device 22 5. Seedbed preparation 22 5.1. Seedling 23 5.2. Fertilization 23 5.2.1. Fertilizers Used 23 5.2.2. Fertilizer doses 24 5.3. Weeding 24 5.4. Irrigation material 24 5.5. Durum wheat Phonological stages 25 5.6. The harvest 25 6. Measurement technique used 26 6.1. X-ray fluorescence spectrometry (XRF) 26 6.2. Gamma ray spectrometry 27 .......
Côte titre :	MAPH/0650

Study of the Transfer Factor of Natural Radionuclides from Fertilized Soil to Durum Wheat by Gamma Spectrometry [document électronique] / Nedjwa Reggad, Auteur ; Wafa Bellil, Directeur de thèse ; Ouassila Boukhenfouf, Directeur de thèse . - [S.l.] : Setif:UFA, 2024 . - 1 vol (40 f.) ; 29 cm.
Langues : Anglais (eng)

Catégories :	Thèses & Mémoires:Physique
Mots-clés :	Physique
Index. décimale :	530 - Physique
Note de contenu :	Sommaire CHAPTER I: BIBLIOGRAPHICAL DATA I. General review of durum wheat 1 1. Wheat history and origin 1 2. Wheat history 1 2.1. Durum wheat 1 2.2. Soft wheat 1 3. Importance of wheat 2 3.1. Nutritional importance 2 3.2. Economic importance 2 4. The different organs of wheat plant 2 4.1. The vegetative apparatus 3 4.2. The reproductive system 3 5. The development cycle of durum wheat 4 5.1. The vegetative period 4 5.2. The reproductive period 4 5.3. The maturation period 4 II. Durum wheat fertilization 6 1. Fertilization 6 1.1. Definition 6 1.2. Types 6 1.3. Fertilization importance 7 2. Fertilizers 7 2.1. Definition 7 2.2. Types 7 CHAPTER II: RADIOACTIVITY CHAPTER III: MATERIALS AND METHODS 1. General information on radioactivity 9 2. Sources of natural radioactivity 9 3. The quantitative laws of radioactivity 10 3.1. The law of disintegration 10 3.2. The radioactive period or half-life 11 3.3. The activity 11 4. Disintegration modes 11 4.1. Alpha radioactivity (α) 11 4.2. Beta radioactivity (ß) 12 4.3. Gamma radioactivity (γ) 13 5. Radioactive Families 14 5.1. Uranium (238U) 14 5.2. Thorium (232Th) 15 5.3. Potassium (40K) 16 6. Radioactive equilibrium 16 8. Radioactive elements in the soil 17 1. The experimental site 18 1.1. Geographic location 18 1.2. Characteristics of the study region 18 1.2.1. Temperature 18 1.2.2. Precipitation 19 2. Vegetative material 19 3. Fertilizer types 20 4. Experimental device 22 5. Seedbed preparation 22 5.1. Seedling 23 5.2. Fertilization 23 5.2.1. Fertilizers Used 23 5.2.2. Fertilizer doses 24 5.3. Weeding 24 5.4. Irrigation material 24 5.5. Durum wheat Phonological stages 25 5.6. The harvest 25 6. Measurement technique used 26 6.1. X-ray fluorescence spectrometry (XRF) 26 6.2. Gamma ray spectrometry 27 .......
Côte titre :	MAPH/0650