science and computers - lec 5
science and computers - lec 5
... transients seen - remnant of decay- ing natural oscillation • Small drivi ng force, small amplitude, mo- tion in step with driving force - like hamr- monic case • Larger F – apparently random or chaotic behavior ... (Very)-simplified model of convectiv e fluid flow – container containing fluid with bot- tom and top surfaces held at different tem- peratures. • Three variables x, y, z corr...
Ngày tải lên: 28/04/2014, 14:02
science and computers - lec 6
... factor of 2. 12 Lec6 • Chaos - logistic map • Period doubling, strange attractors, frac- tals • Sierpinski triangle, chaotic dynamics • Fractal dimension 1 Logistic Map – lab 5 • Simplest example ... 1 and 0 < x 0 < 1 3 Dynamics • Final state at large times independent of initial state • For small r x ∞ = 0 • For r < 0. 75 x ∞ = 1 − 1 4r • For r a little above 0. 75 see p...
Ngày tải lên: 28/04/2014, 14:02
science and computers - lec 9
... graphs of y = x and y = x 2 − 3 4 • The boundary between the two regions in x (diverging and non-diverging) is called the Julia set of the map and contains seem- ingly 2 points x = − 3 2 and x = 3 2 • ... iteration of the map ? • The region of convergence is called the filled-in Julia set B and the boundary be- tween between diverging and non-diverging sets is the true Julia set of...
Ngày tải lên: 28/04/2014, 14:02
science and computers - lec10
... an ac- curate description of individual earthquakes – merely what happens to very many of them. 10 Lec1 0 • Self-organized critical phenomena • Earthquakes, sand piles 1 Self-similarity and criticality We ... If so topple the sandpile by some amount (say 2 grains) and add to next 2 neighbors. – Recheck stability of all points and re- peat until no further toppling • Add more sand and...
Ngày tải lên: 28/04/2014, 14:02
science and computers - lec11
... self-organized critical behavior – power law distribution of Earthquake sizes (Gutenberg-Richter) • Today we will try a more realistic simu- lation which incorporates a model of the frictional and ... blocks sliding • At some point one block slips - and will try to pull others along with it – an Earth- quake. • Eventually friction slows the blocks to rest again - the Earthquake is...
Ngày tải lên: 28/04/2014, 14:02
science and computers - lec12
... 12:3 0-1 :50 pm (lab times to be decided) • Similar to PHY307 with additional topics drawn from – Monte Carlo methods in statistical physics – Computational methods in quantum me- chanics – Fields and ... T c , χ ∼ (T − T C ) 1 .8 75 in 2 dimen- sions. M ∼ (T − T C ) 0 .5 13 Lec1 2 • Phase transitions, critical phenomena • Magnetic systems - Ising model 1 Commerical break • Next se...
Ngày tải lên: 28/04/2014, 14:02
Báo cáo y học: "omparative Efficacy and Tolerability of 5-Loxin® and Aflapin® Against Osteoarthritis of the Knee: A Double Blind, Randomized, Placebo Controlled Clinical Study"
... Inhibition of TNFα Pro- duction and Blocking of Mitogen-Activated Protein Ki- nase/NFkB Activation In Lipopolysaccharide-Induced THP-1 Human Monocytes By 3-O-Acetyl-11-Keto-β-Boswellic Acid. J ... over-expressed in OA and cause degenera- tion of cartilage tissue [44, 45] . Cytokines act via auto- crine and endocrine functions to alter cartilage ho - meostasis. Interleukin-1 (IL-1)...
Ngày tải lên: 25/10/2012, 11:40
Báo cáo y học: "980 nm diode lasers in oral and facial practice: current state of the science and art"
... Springer. 20 05: 1 3-3 5 5. van Gemert MJ, Welch AJ, Pickering JW, Tan OT, Gijsbers GH. Wavelengths for laser treatment of port wine stains and te- langiectasia. Lasers Surg Med.19 95; 16(2):14 7 -5 5. 6. ... green light 51 0, 53 2 nm, (Copper Br., KTP, Kripton); 2) yellow light 57 7, 58 5, 600 nm, (Dye, Vapour-Copper Br.); 3) red light 694 nm (Ruby) • in the invisible regio...
Ngày tải lên: 26/10/2012, 09:48
Psychic, Science and Jesus
... you desire below PSYCHIC ,SCIENCE AND JESUS Copyright ATSU DAVOH No part of this book can be produced illegally. PSYCHIC, SCIENCE AND JESUS. PREFACE A SEMI-FICTION STORY BY ATSU DAVOH. MONA ... SECRET SCIENTIST. SECRET BECAUSE HE WAS THE HEAD OF THE CHAPEL’S ANTI -SCIENCE GROUP.HE AND HIS MOTHER,MONA USED SCIENCE AND PSYCHIC TO SOLVE PEOPLE’S PROBLEMS. PEOPLE DID N...
Ngày tải lên: 07/11/2012, 09:09
Unit 12 - Sports and pastimes A4,5
... A. What are they doing ? (A4 ,5) Soccer Unit 12 : Sports and pastimes Unit 12 : Sports and pastimes A. What are they doing ?(A4 ,5) A. What are they doing ?(A4 ,5) 1. Sports they play. Which ... jogs and plays table tennis. d) Does Nam play table tennis? Does Nam play table tennis? - Yes, he does. Unit 12 : Sports and pastimes Unit 12 : Sports and pastimes A. What are...
Ngày tải lên: 26/06/2013, 01:25