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 chaoticbehavior ... (Very)-simplified model of convectiv e fluidflow – container containing fluid with bot-tom and top surfaces held at different tem-peratures.• Three variables x, y, z corresponding to tem-perature, ... corresponding to tem-perature, density and fluid velocity• Three parameters σ, r, b (te mperature dif-ference and fluid parameters)• Full solution involves Navier-Stokes and verymany variables. Weather...
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science and computers - lec 6
... factor of 2.12 Lec6 • Chaos - logistic map• Period doubling, strange attractors, frac-tals• Sierpinski triangle, chaotic dynamics• Fractal dimension1Logistic Map – lab 5 • Simplest example ... 1 and 0 < x0< 13Dynamics• Final state at large times independent ofinitial state• For small r x∞= 0• For r < 0. 75 x∞= 1 −14r• For r a little above 0. 75 see period 2 mo-tion.• ... example of chaotic dynamical sys-tem• Exhibits period doubling approach to chaos• In chaotic regime motion confined to strangeattractor• Fractal object - dimension non-integer2ModelModel for...
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science and computers - lec 9
... graphs of y = x and y = x2−34• The boundary between the two regions in x(diverging and non-diverging) is called theJulia set of the map and contains seem-ingly 2 points x = −32 and x =32• ... iteration of the map ?• The region of convergence is called thefilled-in Julia set B and the boundary be-tween between diverging and non-divergingsets is the true Julia set of the map.• Remarkably ... Lec9 – mini lecture• More fractals – Julia sets1Julia setsConsider the very simple non-linear mapxn+1= x2n−34For most starting values...
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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 piles1Self-similarity and criticalityWe ... If so topple the sandpile bysome amount (say 2 grains) and add tonext 2 neighbors.– Recheck stability of all points and re-peat until no further toppling• Add more sand and repeat6ObservationsAfter ... Earth’s crust.They appear to happen quasi-randomly and their magnitudes have been observed to sat-isfy the Gutenberg-Richter lawN(E) ∼ E−bwhere b ∼ 0 .5 Here, E is the Earthquake magnitude (roghlythe...
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science and computers - lec11
... self-organizedcritical behavior – power law distribution ofEarthquake sizes (Gutenberg-Richter)• Today we will try a more realistic simu-lation which incorporates a model of thefrictional and ... blockssliding• At some point one block slips - and willtry to pull others along with it – an Earth-quake.• Eventually friction slows the blocks to restagain - the Earthquake is over.• Measure total ... Lec1 1• Earthquakes – a more realistic model1Recap• Last week we discussed a very simplifiedmodel for understanding the statistics ofEarthquakes – how many Earthquakes oc-cur of...
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science and computers - lec12
... 12:3 0-1 :50 pm (lab timesto be decided)• Similar to PHY307 with additional topicsdrawn from– Monte Carlo methods in statistical physics– Computational methods in quantum me-chanics– Fields and ... Tc, χ ∼ (T − TC)1.8 75 in 2 dimen-sions. M ∼ (T − TC)0 .5 13 Lec1 2• Phase transitions, critical phenomena• Magnetic systems - Ising model1Commerical break• Next semester there will be ... Simplest case - two dimensions.• Find for T = Tc= 2.269 fluctuations in Mhave a peak.• M ∼ 0 for T > Tc. M = 0 for T < Tc• Close to Tc, χ ∼ (T − TC)1.8 75 in 2 dimen-sions. M...
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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) and TNF-α ... molecule-1 (ICAM-1) and vascular cell adhesion molecule-1 (VCAM-1); and mediators of apoptosis in human mi-crovascular endothelial cells [14, 15] . Cell based in vitro studies suggest that 5- L...
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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 region: - I.R. close to 755 , 980, ... selective absorption by chro-mophores: melanin (33 5- 5 32 nm)[8], hemoglo-binin (50 0 -5 80nm;) [9,10], oxy-hemoglobin (58 0 nm;) [9,10], deoxy-hemoglobin(760nm;)[9,10] • adequate fluence or energy...
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Psychic, Science and Jesus
... you desire below PSYCHIC ,SCIENCE AND JESUSCopyright ATSU DAVOHNo part of this book can be produced illegally.PSYCHIC, SCIENCE AND JESUS.PREFACEA 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 NOT KNOW ABOUT THIS. ... members. Free Standard members can access up to 5 PDF/TXT eBooks per month each month) Epub & Mobipocket (Exclusive to V.I.P. members) To download this full book, simply select the format...
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Unit 12 - Sports and pastimes A4,5
... A. What are they doing ? (A4 ,5) SoccerUnit 12 : Sports and pastimesUnit 12 : Sports and pastimesA. 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 pastimesUnit 12 : Sports and pastimesA. What are they doing ?(A4 ,5) A. ... they doing ?(A4 ,5) 1. Sports they play. Which sports Which sports doesdoes she/he play? she/he play? - She swims, does aerobics and plays badminton. - He plays soccer, jogs and plays table...
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Từ khóa: Nghiên cứu sự hình thành lớp bảo vệ và khả năng chống ăn mòn của thép bền thời tiết trong điều kiện khí hậu nhiệt đới việt namMột số giải pháp nâng cao chất lượng streaming thích ứng video trên nền giao thức HTTPđề thi thử THPTQG 2019 toán THPT chuyên thái bình lần 2 có lời giảiĐỒ ÁN NGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWANNGHIÊN CỨU CÔNG NGHỆ KẾT NỐI VÔ TUYẾN CỰ LY XA, CÔNG SUẤT THẤP LPWAN SLIDENghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000Tìm hiểu công cụ đánh giá hệ thống đảm bảo an toàn hệ thống thông tinSở hữu ruộng đất và kinh tế nông nghiệp châu ôn (lạng sơn) nửa đầu thế kỷ XIXChuong 2 nhận dạng rui roTổ chức và hoạt động của Phòng Tư pháp từ thực tiễn tỉnh Phú Thọ (Luận văn thạc sĩ)Tăng trưởng tín dụng hộ sản xuất nông nghiệp tại Ngân hàng Nông nghiệp và Phát triển nông thôn Việt Nam chi nhánh tỉnh Bắc Giang (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtGiáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtchuong 1 tong quan quan tri rui roNguyên tắc phân hóa trách nhiệm hình sự đối với người dưới 18 tuổi phạm tội trong pháp luật hình sự Việt Nam (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtChiến lược marketing tại ngân hàng Agribank chi nhánh Sài Gòn từ 2013-2015MÔN TRUYỀN THÔNG MARKETING TÍCH HỢP