stress corrosion cracking of ductile ni resist irons and stainless steels

Tài liệu Fittings, Flanged pipes and Valves made of Ductile Cast Iron docx

Ngày tải lên : 27/02/2014, 02:20

... ®-socket joint TYT Screw-gland socket joint S MU Bolted-gland socket joint STB Mechanical joint socket and glands Rotatable flanges 1.2 Restrained socket joints made of ductile cast iron TYTON ... for ductile cast iron pressure pipes and fittings to connect with plastic pipes with thrust resisting joint … Tapping clamp Fig 88 and 89 Clamping bands for tapping clamps type 88 and 89 and ... edition of our product catalogue for fittings, flanged pipes and valves made of ductile cast iron for underground construction In addition to quality and reliability as well as to the extension and...

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Parenting Stress in Mothers of Children with Congenital Heart Disease pptx

Ngày tải lên : 05/03/2014, 12:20

... consists of 31 items and subscales: ambiguity, lack of clarity, lack of information, and unpredictability Ambiguity refers to the absence of cues or vagueness of cues concerning the planning and carrying ... level of parenting stress than mothers of infants, toddlers and preschoolers Mothers with higher educational level reported lower level of parenting stress However, parenting stress was not significantly ... coefficient of uncertainty and social support was –.477 (p < 01), and that of uncertainty and parenting stress was 463 (p < 01) Although the relationship between social support and parenting stress...

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Báo cáo khoa học: Yeast oxidative stress response Inﬂuences of cytosolic thioredoxin peroxidase I and of the mitochondrial functional state pot

Ngày tải lên : 16/03/2014, 14:20

... diethylmaleate and cadmium [11] by the activation of the expression of genes encoding most antioxidant enzymes and components of the cellular thiol-reducing pathways, comprising approximately 32 proteins of ... functions of cTPxI as peroxidase and as molecular chaperone, suggested by mixtures of low and high molecular weight oligomeric structures observed in cells challenged with H2O2 and (b) the capacity of ... inﬂuences of cTPxI and of the functional state of the mitochondria in the expression of selected yeast antioxidant genes In this manner, we expected to obtain some clues to better understand cTPxI...

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Families Under Stress - An Assessment of Data, Theory, and Research on Marriage and Divorce in the Military pptx

Ngày tải lên : 29/03/2014, 19:20

... to the demands of recent operations in Afghanistan and Iraq Goals and Approach of the Monograph The overarching goal of this monograph is to inform discussions of the current needs of military ... have a way of chewing up marriages, turning daily life upside down and making strangers out of husbands and wives” (Alvarez, July 8, 2006) In surveys and qualitative studies, spouses of service ... of the Army Demographics Unit in the Human Resources Directorate of the Oﬃce of the Deputy Chief of Staﬀ for Personnel, for sharing her own analyses of marriage and divorce data with us At RAND,...

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Báo cáo khoa học: The yeast stress response Role of the Yap family of b-ZIP transcription factors The PABMB Lecture delivered on 30 June 2004 at the 29th FEBS Congress in Warsaw potx

Ngày tải lên : 30/03/2014, 16:20

... proteins and the yeast response to stress expression programmes common to all environmental stress responses are at play [1] Speciﬁc forms of stress such as heat shock and some forms of oxidative stress ... independent of the Orp1 pathway [23] Metalloid and metal stress The widespread distribution of the toxic metalloid arsenic in nature leads to the acquisition of its resistance in almost all living organisms ... oxidants capable of extensive cellular damage at the level of DNA, protein and membrane lipid content As a result, organisms, from bacteria to humans, have developed mechanisms of maintaining cellular...

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analysis and determination of the stress intensity factor of load-carrying cruciform fillet welded joints

Ngày tải lên : 24/05/2014, 20:40

... Biermann, H and Hübner, P.: A Finite Element Calculation of Stress Intensity Factors of Cruciform and Butt Welded Joints for Some Geometrical Parameters Jordan Journal of Mechanical and Industrial ... finite element method, and is one of the most popular techniques used to calculate the stress intensity factors in numerical studies of fractures [10] The site and curved crack growth paths of ... crack is longer than that in cases of toe and cold-lab cracks Values of stress intensity factor (KI) in cases of toe and cold-lab cracks are higher than that in case of root crack for the same crack...

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báo cáo hóa học: " Quality of life among adolescents with sickle cell disease: mediation of pain by internalizing symptoms and parenting stress" pdf

Ngày tải lên : 18/06/2014, 19:20

... teacher-, and parent-report measure of adaptive and clinical functioning for children and adolescents ages 1/2 to 18 years of age The questions address emotions, behaviors, and self-perceptions and ... to the conception and design of the study, acquisition of data, analysis and interpretation of data, and drafting and revision of the manuscript She has given final approval of this version for ... indicate the importance of further consideration of internalizing symptoms and particularly parenting stress in the assessment of HRQOL and in efforts to improve functioning of youth with SCD Conclusion...

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báo cáo hóa học: " Effects of short duration stress management training on self-perceived depression, anxiety and stress in male automotive assembly workers: a quasi-experimental study" docx

Ngày tải lên : 20/06/2014, 00:20

... References were made to the Job Demand Control Model of stress and how work conditions of high job demand, low job control and poor social support can result in severe stress and serious health consequences ... towards stress reduction and control The key component of the lecture is an elaboration of occupational stress, risk factors involved, associated health impacts and ways to prevent and control stress ... nature, causes, and signs and symptoms of stress, stress reduction through adopting a healthy life style, and methods of managing stress in the workplace A short question and answer session was...

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Báo cáo hóa học: " Transformation of b-Ni(OH)2 to NiO nano-sheets via surface nanocrystalline zirconia coating: Shape and size retention" potx

Ngày tải lên : 22/06/2014, 22:20

... areas of ZrO2-coated NiO and 600-NiO Materials 600-NiO 600 °C-treated ZrO2-coated NiO 800 °C-treated ZrO2-coated NiO 1000 °C-treated ZrO2-coated NiO Fig Relationship of calculated grain sizes of ... image of ZrO2-coated NiO: (a) whole image, (b) and (c) are enlarging part of hexagonal nano-sheet and surface ZrO2 particle, respectively (d) and (e) are EDXs spectra for ZrO2coated NiO without and ... particles was nickel-rich (Fig 4d) and that with spherical particles was zirconium-rich (Fig 4e) Since the amount of ZrO2 is only 1/30th of that of NiO (in mol), the thickness of ZrO2 layer would...

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Preparation of chitosan magnetite composite beads and their application for removal of Pb(II) and Ni(II) from aqueous solution

Ngày tải lên : 02/07/2014, 14:14

... solution and Br2 solution After the formation of the Ni( II)-dimetyl glyoxim complex, the concentration of Ni( II) ions was determined from the absorbance at 475 nm The amount of Pb(II) and Ni( II) ... modeling, analyzing and designing adsorption systems The adsorption isotherms are one of the most useful data to understand the mechanism of the adsorption and the characteristics of isotherms are ... Metals pH T (K) Ni( II) – Ni( II) Pb(II) Ni( II) Pb(II) 7.8 – – – 75.71 [5] 299 5.5435 [12] – 114.94 [15] – 140.84 Ni( II) Ni( II) Pb(II) 298 303 303 Fig Langmuir isotherm of the Ni( II) (a) and Pb(II)...

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Inﬂuence of positive active material type and grid alloy on corrosion layer structure docx

Ngày tải lên : 05/07/2014, 21:20

... sections of grid bar out of a positive electrode and then breaking away the PAM Due to the relative strengths of the grid /corrosion layer bond and corrosion layer/active material bond, the corrosion ... Analysis of the corrosion layer/grid interface Preparation of corrosion layers using grinding and polishing techniques produced a high quality surface finish suitable for electron microscopy and, ... indicating position of grain boundary high definition pictures of both corrosion layer and interface morphology A significant feature observed in the photographs is the presence of ‘fingers’ of oxide growing...

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Báo cáo vật lý: "Effect of Temperature on Corrosion Behavior of AISI 304 Stainless Steel with Magnesium Carbonate Deposit" docx

Ngày tải lên : 07/08/2014, 14:20

... include initial(s) and name(s) of author(s), title of article, title of the periodical, volume/issue number, page number and year of publication References to books should include initial(s) and names(s) ... Sabioni, A.C.S (2006) Oxidation of AISI 304 and AISI 439 stainless steel Mat Sci Eng A-Struct., 226–276 Misbahul Amin, M (1996) The CsCI and CsNO3 induced high temperature oxidation of Nimonic-90 ... behavior of an austenitic Fe-30Mn-5Al-0.5C alloy Corros Sci., 44, 113–127 Malik, A.U., Ahmed, S & Misbahul Amin, M (1984) Hot corrosion behaviour of 18Cr: 8Ni austenitic steel in presence of Na2SO4 and...

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Báo cáo khoa học: "Resistance to water stress in seedlings of eight European provenances of Pinus halepensis Mill" potx

Ngày tải lên : 08/08/2014, 14:20

... observed in 5-anda-half months old seedlings of Picea mariana, Picea glauca and Pinus banksiana, subjected to stress for one week with PEG 8000 [6] and on adult plants of Pinus taeda L and Pinus ... drought-resistant provenances there was never a marked difference between control values of Ψ and stress- induced values (except at very high levels of stress) ; whereas in Pinus taeda and Pinus ... values of Ψ doubled even at low or medium levels of stress [24] The most typical example of this gradual adaptation is offered by the Hérault seedlings On the other hand, the other group of seedlings...

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Báo cáo khoa học: "Distribution and variations of potassium and calcium in different cross sections of Picea abies Karst needles and Fagus sylvatica (L) leaves exposed to ozone and mild water stress" docx

Ngày tải lên : 08/08/2014, 19:21

... mass), powdered spruce needles and beech leaves were used as standards (CRM 100 and CRM 101 given by Community Bureau of Reference of the Commission of the European Com- munities) Chemical analysis ... beam of primary electrons did not penetrate other cells, layer of cells on a sheet of aluminium were analysed All measurements were made using an X-ray take-off angle of 45°, a measuring time of ... Ψ of wp the nonstressed trees remained between - 0.05 and -0.2 MPa isation and the EEC Chamber effects The pre-dawn leaf water potentials showed an initial decrease at the beginning of the...

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Báo cáo y học: "Catabolic stress induces expression of hypoxia-inducible factor (HIF)-1α in articular chondrocytes: involvement of HIF-1α in the pathogenesis of osteoarthritis" ppt

Ngày tải lên : 09/08/2014, 06:23

... progression of cartilage degeneration, OA-related catabolic stresses, mechanical and chemical, including IL-1β and oxidative stress, could induce the degradation of the extracellular matrix and decrease ... read and approved the final manuscript Acknowledgements This study was supported by grants from the Ministry of Education, Culture, Sports, Science and Technology of Japan, the Ministry of Health, ... cartilage sample was evaluated histologically and macroscopically for the degree of degeneration according to the scales of Mankin and colleagues and of Collins [15,16] Articular cartilage samples...

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Báo cáo y học: "Correction: Catabolic stress induces expression of hypoxiaα inducible factor (HIF)-1α in articular chondrocytes: involvement α of HIF-1α in the pathogenesis of osteoarthritis" pps

Ngày tải lên : 09/08/2014, 07:20

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Báo cáo y học: " Alterations in hippocampal serotonergic and INSR function in streptozotocin induced diabetic rats exposed to stress: neuroprotective role of pyridoxine and Aegle marmelose" doc

Ngày tải lên : 10/08/2014, 05:21

... result of desensitization of receptors [37] and thereby modifying synthesis and release of 5-HT 5-HTT regulates the entire serotonergic system and its receptors via modulation of its expression and ... prevalence of diabetes among depressed and anxious patients is due to high sensitivity of diabetics to the adverse effects of stress, etiology and course of the disease Serotonergic system and insulin ... http://www.jbiomedsci.com/content/17/1/78 29 Sandrini M, Vitale G, Vergoni AV, Ottani A, Bertolini A: Streptozotocininduced diabetes provokes changes in 5-HT concentration and on 5HT1A and 5-HT2A receptor in rat...

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Báo cáo y học: "Serum concentrations of cortisol, interleukin 6, leptin and adiponectin predict stress induced insulin resistance in acute inflammatory reaction" pot

Ngày tải lên : 13/08/2014, 11:23

... leptin and adiponectin TNF, and resistin have minor relevance as predictors of stress dependent insulin resistance Key messages • Cortisol is the best predictor of stress induced insulin resistance ... Kinetics of insulin resistance Kinetics of insulin resistance Shown is the kinetic of serum glucose (a) and insulin infusion rate (b) during the observation period depicted as mean ± standard error of ... similar causative mechanisms of insulin resistance Identification and characterisation of the most important pathways of insulin resistance remains crucial for the development of new therapeutic...

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Báo cáo y học: "Prediction of posttraumatic stress in fathers of children with chronic diseases or unintentional injuries: a six-months follow-up study" pps

Ngày tải lên : 13/08/2014, 18:21

... prevalence and course of PTSD and PTSS of fathers of unintentionally injured children or fathers of children with a chronic disease we expected the initial levels of posttraumatic stress reactions ... The first aim of the present study was to compare prevalence and course of PTSD and PTSS between fathers of children with unintentional injuries and fathers of children with a chronic disease during ... describe and illustrate predictors of and processes associated with the adaptation of parents to the stress of their child's disease Most of these models are derived from the stress and coping...

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