elasticity creep and stress relaxation

... causes and factors affecting elastic, creep, shrinkage and thermal movements • Typical ranges of strain occurring in practice • Mechanisms of shrinkage and creep • Measurement of shrinkage and creep ... decreases and, strictly speaking, creep should be taken as the strain in excess of the elastic strain at the time when creep is being determined However, Trang 107/10 Elasticity, shrinkage, creep and ... subject to creep rupture At normal working stresses, i.e those within the range of linearity between creep and stress, concrete never exhibits tertiary creep and will continue to deform for several

Ngày tải lên: 05/01/2018, 17:18

... do it I was under stress; very worried about my work I became ill, and I’m sure this was caused by stress: it was stress-induced Luckily, I was able to deal with the stresses and strains (pressures) ... me and made me feel good It was certainly challenging: difficult, but in an interesting and enjoyable way.’ mua When stimulation turns to stress ‘In the last few years there has been more and ... Trang 1Stress and stress management When work is stimulating ‘My name’s Patricia and I’m a university lecturer I chose this profession because

Ngày tải lên: 01/11/2013, 14:20

... distribution of Mises stress σ mises , when θ is 15º and force is 10 gf Fig 16 FEM simulation condition of stress distribution for contact force recognition Fig 17 FEM simulation result of stress distribution ... estimated As the unknown test data, 76 kinds of stress distribution are prepared, of which θ and force magnitude are as follows: θ are 1, 13, 18, and 27º, and force magnitudes are from 15 to 195 gf ... weights of 5, 10, 20, and 50 gf were employed, of which radii are 5.5, 6.5, 7.5, and 10 mm, respectively Namely, whole area of one sensing element was covered by each weight and was applied pressure

Ngày tải lên: 21/06/2014, 20:20

... oligosaccharides, and particularly, by oligoglucans Trang 12Cell Metabolism – Cell Homeostasis and Stress Response 2 2 Oxidative stress and reactive oxygen species Oxidative stress is defined ... understand common molecular responses to a given stressor The chapters in this book address stress response in yeast, plants and humans The topics discussed include acetic acid-induced stress ... Fabiana Zanelato Bertolde and Alex-Alan Furtado de Almeida Chapter 3 Oxygen Metabolism in Chloroplast 39 Boris Ivanov, Marina Kozuleva and Maria Mubarakshina Chapter 4 Stress and Cell Death in Yeast

Ngày tải lên: 22/06/2014, 03:20

... thermal stress (heat or chilling temperatures), important metabolic and physiologic plant processes are interrupted As a consequence, protein aggregation and denaturalization in chloroplasts and ... "stress." Stress is usually defined as an external factor that carries a disadvantageous influence on the plant, limiting their development and their chances of survival The concept of stress ... abiotic stress There are several pre- and postharvest treatments to deal with thermal stress like genetic modifications, thermal conditioning treatments of seeds and fruits or triggering early defense

Ngày tải lên: 22/06/2014, 03:20

... anaerobic stress Annals of Botany, Vol 79, pp 3-20, ISSN 0305-7364 Vinit-Dunand, F.; Epron, D.; Alaoui-Sosse, B & Badot, P.M (2002) Effects of copper on growth and on photosynthesis of mature and ... of 7000 Arabidopsis genes under drought, cold and Trang 2high-Regulation of Gene Expression in Response to Abiotic Stress in Plants 37 salinity stresses using a fulllength cDNA microarray Plant ... Zhu, J-K (2002) Salt and drought stress signal transduction in plants Annual Review Plant Biology, Vol.53, pp.247-273, ISSN 1543-5008 Zielinski, R.E (1998) Calmodulin and calmodulin-binding

Ngày tải lên: 22/06/2014, 03:20

... 266-274, ISSN 0005-2728 Trang 84 Stress and Cell Death in Yeast Induced by Acetic Acid M J Sousa1, P Ludovico2,3, F Rodrigues2,3, C Leão2,3 and M Côrte-Real1 1Molecular and Environmental Research ... cell cue the elicited stress responses may be insufficient to guarantee cell survival and cell death may occur The simplicity of yeast and its amenability to manipulation and genetic tractability ... cellular processes and their modes of regulation Despite the differences in signalling pathways between yeast and higher eukaryotes current knowledge on cellular stress responses and programmed cell

Ngày tải lên: 22/06/2014, 03:20

... fungus Candida albicans Proc Natl Acad Sci USA, Vol 103, pp 726–731 Phillips, A.J., Sudbery, I & Ramsdale, M (2003) Apoptosis induced by environmental stresses and amphotericin B in Candida ... accumulation of compatible solutes observed during the stress response Compatible solutes protect membranes and proteins against stress However, when stress is over, compatible solutes inhibit growth, ... against oxidative stress, mitochondrial dysfunction, and aging Rejuvenation Res, Vol 8, pp 3-5 Li, B.-Z & Yuan, Y.-J (2010) Transcriptome shifts in response to furfural and acetic acid in

Ngày tải lên: 22/06/2014, 03:20

... Metabolism – Cell Homeostasis and Stress Response Kühlbrandt W Biology, structure and mechanism of p-type ATPases Nature 2004; 5:282295 Kustermans G, Piette J & Legrand-Poels S Actin-targeting ... (morphology and size) and route of intake 2.1 Chemical form Uranium is a heavy metal that forms compounds and complexes of different varieties and solubilities The chemical action of all isotopes and ... entrance to the body and its impact on health The second section which is committed to uranium cytotoxicity and its mechanism of action stressed on the oxidative metabolism and a third section

Ngày tải lên: 22/06/2014, 03:20

... oxidoreductase 1 and glutathione S-transferase genes by mercury, lead, and copper Drug Metab Dispos., Vol 34(1), pp (152-65) Kreyling, W., Semmler, M & Möller, W (2004) Dosimetry and toxicology ... (2007) Uranium induces oxidative stress in lung epithelial cells Archives of Toxicology, Vol 81(6), pp (389-395) Periyakaruppan, A., Sarkar, S., Ravichandran, P., Sadanandan, B., Sharma, C., Ramesh, ... Cleverton Roberto de Andrade2, Carlos Alberto de Souza Costa2 and Carlos Eduardo Vergani1 1Araraquara Dental School, UNESP- Univ Estadual Paulista, Department of Dental Materials and Prosthodontics

Ngày tải lên: 22/06/2014, 03:20

... cancer, mesothelioma, bladder cancer Tan and Kelsey, 2009; Paul and Dey, 2008; Gehrke, Gandhirajan and Kreuzer, 2009 GSK-3β colorectal cancer Ge and Wang, 2010 Table 3 The common proteins ... interaction to it, and it prevents TCF7L1/TCF3 from binding to DNA The DNA replication licensing factor proteins (MCM5 and MCM6) have interaction with each other and MCM5 also binds to MDFI and β-catenin, ... be is a “switch” protein for JNK and Wnt signaling pathways It binds to MEKK1 and activates JNK signaling MEKK1 is related to microtubule cytoskeletal stress and apoptosis During JNK activation,

Ngày tải lên: 22/06/2014, 03:20

... pathway and human cancer”, Oncol Rep., Vol 14, Issue 6, pp 1583-8 Katoh M and Katoh, M., 2003, “ Identification and characterization of human PRICKLE1 and PRICKLE2 genes as well as mouse Prickle1 and ... S and Dey, A., 2008, “Wnt Signaling and Cancer Development: Therapeutic Implication”, Neoplasma, Vol 55, pp 165-176 Trang 3Peifer,M and Polakis ,P., 2000,” Wnt signaling in oncogenesis and embryogenesis-a ... Science, Vol 287,1606-1609 Peng, Z., Wang, H and Shan, C., 2009, “Expression of ubiquitin and cullin-1 and its clinicopathological significance in benign and malignant lesions of the lung”, Zhong

Ngày tải lên: 22/06/2014, 03:20

... WORDS : CES-D/ DEPRESSION/ MEDICAL STUDENT STRESS QUYEN DINH DO: DEPRESSION AND STRESS AMONG THE FIRST YEAR MEDICAL STUDENTS IN UNIVERSITY OF MEDICINE AND PHARMACY AT HOCHIMINH CITY, VIETNAM THESIS ... prevalence of depression was 39.6% The top five of stress was prone intrapersonal factors, academic environment and environmental factors Stress scores and depression scores had positive linear relationship ... class workload, and put on hold for extended period of time as stressors were differentiated significantly with depressive group Among those variables, quality of relationship, and stressors as

Ngày tải lên: 23/07/2014, 03:36

... Rasch model analysis of the Depression, Anxiety and Stress Scales (DASS) Tracey L Shea1, Alan Tennant2 and Julie F Pallant*3 Address: 1 Faculty of Life and Social Sciences, Swinburne University of ... Depression and anxiety are among the most common diagnoses in primary care and account for approximately 24% of diagnoses [2,3] The importance of recognising and treating depression and anxiety ... that measure depression, anxiety and stress, a structure that was consistent with the tripartite model of anxiety and depression originally proposed by Watson and colleagues [26,27] The DASS-21

Ngày tải lên: 11/08/2014, 17:20

... muscle relaxation' (session 4, 25 min), 'ice cream body relaxation' (session 5, 25 min), and 'inner light meditation' (session 6, 25 min) Based on the detailed manual, each meditation and relaxation ... the client to stand on it with bare feet Have relaxation music in the background and guide the client as follows: "Stand up and raise your hands upwards Imagine that you are an ice cream ... focus in ones mind on the incoming and outgoing breath The middle part of the following sessions con-sisted of different meditation and relaxation techniques and exercises, including 'inner peace

Ngày tải lên: 11/08/2014, 17:20

... pathways and mechanisms involved in the acute stress conditions responsible for hyperglycaemia, and the description of complex situations involving both the stimulation of systemic infl ammation and ... 1 (HO-1) and glutathione S-transferase (GST) PERK-dependent phosphorylation of Nrf2 thus coordinates a transcriptional program connecting oxidative stress and endoplasmic reticulum stress Activation ... the pancreatic release of insulin, which blocks hepatic glucose production and release, and stimulates glucose uptake and storage in insulin-dependent tissues When this fi rst regulatory level

Ngày tải lên: 13/08/2014, 21:20

... quasi-static stress strain relation is non-linear [11,24] On the other hand, stress relaxation dynamics are independent of strain Implying quasi-linear viscoelasticity, Ingenito and colleagues ... preprocessed and analyzed the data and wrote the manuscript JG and KM assisted study design, data analysis and writing DS participated in data measurement and assisted writing SS assisted data analysis and ... stress relaxation between level P1 and Pplat Lumped parameter model Electrical circuit analog to the spring-andLumped parameter model dashpot model R denotes the Newtonian airway resistance and...

Ngày tải lên: 13/08/2014, 20:21

... 17 misunderstanding For example, sleep may sound slip and sheep may sound ship Pairs of English vowels such as /i:/ and //, /ổ/ and /e/, /:/ and / /, /:/ and //, /:/ and / /, /u:/ and // are compared ... pronunciation especially sounds and stress is discussed 1.2 Pronunciation Pronunciation consists of three aspects: sound, stress and intonation However, in the thesis, only sounds and stress are focused on ... 2.7 Word Stress 2.7.1 Word Stress in English 2.7.1.1 Definition According to Clarey and Dixson (1963:9), word stress is the emphasis given to a particular syllable within a word We mark stress...

Ngày tải lên: 18/12/2013, 21:45

... Parvaiz Ahmad, and Nicole Geissler Prospects of Halophytes in Understanding and Managing Abiotic Stress Tolerance Vinayak H Lokhande and Penna Suprasanna UV-B Radiation, Its Effects and Defense ... both whole plant and cellular level through osmotic stress in an earlier phase and ionic stress at a later stage of Prospects of Halophytes in Understanding and Managing Abiotic Stress Tolerance ... withstand the stress Chapter describes involvement of different osmolytes, osmoprotectants, and antioxidants during abiotic stress Chapter deals with the role of halophytes in understanding and...

Ngày tải lên: 14/03/2014, 10:20

... Disorders Child Abuse and Stress Disorders Psychological Disorders Addiction Alzheimer’s Disease and Other Dementias Anxiety Disorders Child Abuse and Stress Disorders Depression and Bipolar Disorder ... addresses and links may have changed since publication and may no longer be valid Table of Contents Foreword What Is Stress? Health Effects of Chronic Stress Acute Stress Disorder Post-Traumatic Stress ... divisions of the nervous system, and the production and secretion of hormones such as cortisol and adrenaline Child Abuse and Stress Disorders Cortisol Whether the source of stress is emotional or physical...

Ngày tải lên: 03/05/2014, 18:12