317 cylindrical components under internal pressure

... + E2) - Thin shells under internal pressure 156 Problem 6.1 A t i cylindrical shell has an internal diameter of 20 cm, and is 0.5 cm thick hn It is subjected to an internal pressure of 3.5 MN/m2 ... shell of internal diameter 30 cm and thickness 0.16 cm is just full of water at atmospheric pressure Find how much the internal pressure will be increased 168 Thin shells under internal pressure ... 0.6895 MPa ( 00 psi), Model No 3R0ss,C T F, Pressure vessels under externalpressure Elsevier Applied Science 1990 166 Thin shells under internal pressure Figure 6.1 Circumferential stress of...

Ngày tải lên: 08/04/2014, 11:28

... tumors in the past, that had lost HER-2/neu expression and progressed to invasive carcinoma under the immune pressure The fact that 55-75% of patients with premalignant DCIS overexpress HER-2/neu ... article as: Kmieciak et al.: Tumor escape and progression of HER-2/neu negative breast cancer under immune pressure Journal of Translational Medicine 2011 9:35 Submit your next manuscript to BioMed ... sera were also obtained from these patients and used for in vitro studies This study was conducted under Institutional Review Board (IRB) protocol# HM10920 at Virginia Commonwealth University All...

Ngày tải lên: 18/06/2014, 19:20

... properties of endemic AIV under high vaccination pressure The Mexican aviculture system offers an excellent model to study AIV genetic evolution under high vaccination pressure for two important ... industry) is a suitable model to evaluate the evolutionary properties of endemic AIV under high vaccination pressure Further studies need to be con- http://www.virologyj.com/content/5/1/15 ducted ... information The phylogenetic analysis shows that all eighteen recent isolates (2002–2006) have undergone important drifts in the HA gene sequence as compared with vaccine strain This finding...

Ngày tải lên: 20/06/2014, 01:20

... tumors in the past, that had lost HER-2/neu expression and progressed to invasive carcinoma under the immune pressure The fact that 55-75% of patients with premalignant DCIS overexpress HER-2/neu ... article as: Kmieciak et al.: Tumor escape and progression of HER-2/neu negative breast cancer under immune pressure Journal of Translational Medicine 2011 9:35 Submit your next manuscript to BioMed ... sera were also obtained from these patients and used for in vitro studies This study was conducted under Institutional Review Board (IRB) protocol# HM10920 at Virginia Commonwealth University All...

Ngày tải lên: 20/06/2014, 03:20

... thermally decomposed Nb(OEt)5 at 800 °C under inert atmosphere, (d) the thermally decomposed Nb(OEt)5 at 800 °C under inert atmosphere and further annealed at 500 °C under air for h Nanoscale Res Lett ... rate of 10 °C/ The closed-vessel cell was heated at 800 °C for h The reaction took place under the autogenic pressure of the precursor The letlok was gradually cooled (~5 h) to room temperature, ... of the as-prepared Nb2O5@C coreshell nanorods prepared under an inert atmosphere and the Nb2O5@C core-shell nanorods annealed at 500 °C under air are 14.8 and 14.4 m2/g, respectively We have...

Ngày tải lên: 22/06/2014, 22:20

... pressure augmentation method in which CVP is intermittently increased to 45 mmHg [1-3] They used a canine model, and showed that the retinal vessels were effectively dilated at an augmented pressure ... and vertebral veins) The usefulness of higher perfusion pressure could be either to distend the valves or more probably to increase the pressure in the collateral vein network to improve cerebral ... gradually declined When intermittent -pressure- augmented (45 mmHg) retrograde cerebral perfusion (IPA-RCP) was induced, rSO2 rose The maximum duration of pressure augmentation was limited to 30...

Ngày tải lên: 10/08/2014, 09:22

... SQ 2007 Coupling of point mutation and insertion mutation of Agrobacterium tumefaciens under selective pressure (Manuscript in preparation) vi LIST OF FIGURES Fig 1-1 Mismatch Repair by MutHLS ... 4.3.4 The function of AopB and Atu4026 140 4.3.5 The transposases expression inside A6340 under stressful conditions 142 4.4 Discussion 143 CHAPTER CONCLUSIONS AND FUTURE ... to my supervisor, Associate Professor Pan Shen Quan, not only for giving me the opportunity to undertake this interesting project but also for his patience, encouragement, practical and professional...

Ngày tải lên: 13/09/2015, 20:52

... failed because of extreme low expression of transposases compared with internal control Thus the conditions used for the internal control was not suitable for the other samples As long as there ... is the coupling of point mutation and insertion mutation of A tumefaciens mutants under tetracycline selective pressure A6340 (chvG mutant), Tcm3 (sdhA mutant) and 715 (lonD mutant) were demonstrated ... 2345.3777 2261.1997 2153.2886 40 2135.2627 2171.2180 2211.3044 2024.9431 100 1917.0316 1341.6 1949. 0317 3012.7839 2669.5806 2574.5330 2499.4539 2437.6125 2361.3772 2211.3135 2144.1794 2022.9606 1946.0315...

Ngày tải lên: 13/09/2015, 20:53

... circular cylindrical shells surrounded on elastic foundations under uniform radial load [2] and the nonlinear buckling of imperfect eccentrically stiffened metal-ceramic-metal S-FGM thin circular cylindrical ... elastic foundations under external pressure and thermal loads, and [9] analyzed the nonlinear post-buckling of thin FGM annular spherical shells with metal – ceramic layer under mechanical loads ... annular spherical shell under uniform external pressure The simply supported S-FGM annular spherical shell with freely movable edge is assumed to be subjected to external pressure q (in Pascals)...

Ngày tải lên: 24/10/2016, 15:23

... treated by the pressure as described under methods, where the pressurization process was initiated after the inside pressure vessel reached the desired temperature In method 2, the pressure vessel ... spectra of the native and pressure- treated CPY Native CPY spectrum is shown as a solid line and the pressuretreated CPY is shown as a broken line CPY was pressure- treated under 400 MPa at )5 °C ... upon cold inactivation of CPY under high pressure Fig Change in CPY activity following the release of pressure Enzymic activities of CPY, which was exposed to 400 MPa pressure at 10 °C for 60 (s),...

Ngày tải lên: 08/03/2014, 10:20

... Jungle Rubber: a traditional agroforestry system under pressure L Joshi 1,2, G Wibawa 3, G Vincent 1,4, D Boutin 1,5, R Akiefnawati 1, G Manurung 1, ... regeneration dynamics (abundance and composition of the understorey) Species accumulation curves of saplings, inventoried in a forest understorey and in the agroforest, show a much lower, but ... plantation) is a Javanese transmigrant village which was established in 1979 under the government’s transmigration program Under this program, each family was provided with of land: for a house with...

Ngày tải lên: 23/03/2014, 22:20

... incubated under agitation for 24 h at 30  C to reach the stationary growth phase with a final concentration of approximately  109 CFU/mL C sakazakii resistance to ultrasound under pressure in ... germination, thus extending their shelf lives In this study, we have examined the efficacy of ultrasound under pressure treatments combined with heat for the inactivation of C sakazakii, a microorganism which ... apple juice Fig shows the C sakazakii inactivation rates by heat (dT values) and ultrasound under pressure at non-lethal (dMS values) and lethal Table Heat and MS/MTS resistance parameters (d...

Ngày tải lên: 05/05/2014, 08:43

... carefully prepared plans can quickly lose their relevance under the pressures of dayto-day events The combined pressures of Planning Under Pressure urgency, competition for resources and turbulence ... reverted to the two of us SHIFTING PRESSURES Work on this book continued during the later 1970s – but in a sporadic way as we were both working under high pressure on IOR consulting and research ... families while we have so often been absent or preoccupied John Friend Allen Hickling Planning Under Pressure The Strategic Choice Approach Third edition John Friend Sheffield, UK Allen Hickling...

Ngày tải lên: 01/06/2014, 11:13

... carefully prepared plans can quickly lose their relevance under the pressures of dayto-day events The combined pressures of Planning Under Pressure urgency, competition for resources and turbulence ... reverted to the two of us SHIFTING PRESSURES Work on this book continued during the later 1970s – but in a sporadic way as we were both working under high pressure on IOR consulting and research ... families while we have so often been absent or preoccupied John Friend Allen Hickling Planning Under Pressure The Strategic Choice Approach Third edition John Friend Sheffield, UK Allen Hickling...

Ngày tải lên: 04/06/2014, 13:26

... we find the equations for curve of melting of metals Cu, Ag and Au under pressure III.1 Equation for melting curve of Cu under pressure This equation has the form: 18 2, 12.10−4 Tm y (1 + 0, 84y ... 1409,3 1463,6 5,7 (13) MELTING OF METALS COPPER, SILVER AND GOLD UNDER PRESSURE 151 III.3 Equation for melting curve of Au under pressure This equation has the form: 21 2, 82.10−4 Tm y (1 + 0, ... temperature T = 0K and pressure p according to variables p and y 150 PHAM DINH TAM, PHAM DUY TAN, NGUYEN QUANG HOC III EQUATIONS FOR MELTING CURVE OF METALS COPPER, SILVER AND GOLD UNDER PRESSURE Values...

Ngày tải lên: 30/10/2015, 19:44

... depend on temperature and pressure and is determined at the critical point and zero pressure Using the expressions Ψα and a in [9, 10] at the temperature T = Tc = 665K and pressure p = 0, we obtain ... PCu + PAu ln PAu + PAu ln PAu (5) III CALCULATION OF CRITICAL TEMPERATURE FOR ALLOY Cu3 Au UNDER PRESSURE The order-disorder phase transition in alloy Cu3 Au is the phase transition of first ... pressure as follows: where ∆(a, Tc ) = ω (1 + 3η)(3 + η) XCu XAu (2) = ln +3 − ∆CuAu kB T 4η (1 − η)(3 − 3η) kCu kAu (12) T,P Second term in right side of Eq.(12) depends on temperature and pressure...

Ngày tải lên: 30/10/2015, 19:50

... tetrahedra at pressures in the range of 35 to 60 GPa [11] A constant pressure Monte Carlo formalism, lattice dynamics and classical perturbation theory are used to calculate the thermal expansion, pressure- volume ... frequencies and the pressure dependence of the three vibron modes of vibration in solid CO2 at pressures ≤ p ≤ 16 GPa and temperatures ≤ T ≤ 300 K[12] Properties of solid N2 O at pressures 15 GPa ... THERMODYNAMIC PROPERTY FOR α-CO2 AND α-N2 O CRYOCRYSTALS UNDER PRESSURE In order to determine the thermodynamic quantities at various pressures, we must find the nearest neighbor distances The...

Ngày tải lên: 30/10/2015, 20:58

... Economist Intelligence Unit © Economist Intelligence Unit 2010 Under pressure: The changing role of the healthcare CIO Preface Under pressure: The changing role of the healthcare CIO is an Economist ... well as driving operational efficiency The healthcare CIO is therefore under increasing pressure To better understand this pressure and to present insights into the challenges and opportunities ... come under increasing pressure to ensure compliance with data security and privacy regulations as more health records are digitised Expanding roles and responsibilities D irect regulatory pressure...

Ngày tải lên: 06/12/2015, 23:10

... Utilization/Uptake Rate P bar (Pa) Pressure in the bubble at its maximum size Pa bar (Pa) Acoustic pressure Pa = PA sin π FS t PA bar (Pa) Maximum amplitude of acoustic pressure PA = (2 * IUS* c * ρ)1/2 ... (Pa) Hydrostatic pressure Pm bar (Pa) Total solution pressure at the moment of transient collapse Particle Size Distribution PSD PUS (k)W Ultrasonic power input PV bar (Pa) Vapour pressure of the ... AND DISCUSSION 108 6.2.1 Adiabatic sonication at atmospheric pressure 108 6.2.2 Optimal pressure under adiabatic sonication 112 6.2.3 Optimization of sludge sonication...

Ngày tải lên: 13/05/2016, 16:25

... performance 3.2 Prediction of pressure drop 3.2.1 Developing the correlation Total pressure drop through a gasifier bed is mainly a sum of pressure drop through the particle bed and pressure drop through ... be used for predicting pressure drop in any fixed bed gasifiers of cylindrical pellets One of our previous works [6] concentrated on developing a model for prediction of pressure drop due to grate-bed ... term (–) length of cylindrical particle at any time (m) initial length of cylindrical particle (m) diameter of gasifier (m) equivalent diameter of tortuous passage (m) diameter of cylindrical particle...

Ngày tải lên: 01/08/2016, 09:30