Lecture 24 sedimentary weathering
Lecture 24 sedimentary weathering
... organic debris • HOWEVER Many sedimentary rocks are combinations of 2-3 of these types… WHY? Weathering • Looking at the rock cycle, key to forming sedimentary rocks is weathering (or erosion) of ... weathering (or erosion) of pre-existing rocks (or organisms…) • Types of weathering: – Physical (a.k.a mechanical) – Chemical Physical Weathering • • • • Joints and sheeting develo...
Ngày tải lên: 30/11/2016, 18:07
Lecture 24 mass wasting
... Extremely hazardous! Fig 16.19 W W Norton Fig 16 .24 a W W Norton Fig 16 .24 b W W Norton Slumps Fig 16.12 W W Norton MASS WASTING Slumps: Rotational Type Mass of material slides downward along a curved ... Materials move as a viscous mass Rates movement: Fastest - Rock of falls & avalanches Avalanches “float” on entrapped air Slowest - Creep (cm/year) Talus slopes Types of mass...
Ngày tải lên: 29/11/2016, 22:58
Lecture 9 surface processes chemical and physical weathering and sedimentary rocks
... Falls) Tectonics rocks caught in a fault zone are definitely undergoing physical weathering Etc 12 Weathering feedbacks: chemical and physical • Physical weathering and chemical weathering generally ... environments • Physical and chemical weathering promote one another: – Formation of cracks by physical weathering increases reactive surface area, promotin...
Ngày tải lên: 30/11/2016, 18:07
Lecture Medical assisting: Administrative and clinical procedures with anatomy and physiology (4e) – Chapter 24
... CO2 levels in the blood – Medulla oblongata – controls rhythm and depth of breathing – pH of the blood – Pons – controls the rate of breathing – Inflation reflex – Fear and pain © 2011 The McGraw ... Skull bones with sinuses include: – – – – Frontal Sphenoid Ethmoid Maxillae bones © 2011 The McGraw -Hill Com panies, Inc A ll rights reserv e d 24-...
Ngày tải lên: 09/11/2016, 17:08
Lecture 3 geologic time, sediments, and sedimentary rocks
... Sedimentary Rocks and Geologic Time • Geologic Time Scale and it Origins • Sedimentary Rock Types Depositional Environments • Engineering ... series Sedimentary Rocks • Clastics, Siliciclastics, Carbonates, and Evaporites • Clastic rocks, depositional medium, and energy • Diagenesis — chemical changes after deposition Clastic Sedimentary ... Ice Ages) and Quaternary...
Ngày tải lên: 30/11/2016, 17:21
24 giờ học FLASH
... c Action Panel Flash MX s d ng panel giúp b n có th l y thông tin v movie b n ang làm m t cách d dàng Khi b n cài t chay Flash l n u tiên, Flash s h i b n mu n s d ng Flash th Flash s x p t panel ... bi t nên l nh cho Flash ph i làm cho thích h p v i t ng tình hu ng ta có th dùng " i u ki n" l nh cho Flash Ví d n u b n l nh cho Flash không cho ngư i dùng coi m t o n phim Fla...
Ngày tải lên: 23/08/2012, 09:43
7-Khao sat gian do BODE,Nyqist,Nichols (24).doc
... | G(jw)|dB = 20dB độ dốc –20dB/decade (do khâu tích phân) Độ dốc –20dB/decade tiếp tục gặp tần số cắt ω = 10rad/sec, tần số ta cộng thêm –20dB/decade (do khâu quán tính bậc nhất) tạo độ dốc -40dB/dec ... -20dB/decade(vì khâu quán tính bậc 1), tạo độ dốc – 40dB/dec Độ dốc - 20dB tần số ω = 100rad/dec (do khâu vi phân bậc 1) Tại tần số gãy ω = 100rad/sec tăng 20dB (vì khâu vi phân bậc 1) Tạo...
Ngày tải lên: 24/08/2012, 13:51
Lecture 2 - RF Fundamentals
... http://www.fab-corp.com February 20 05 Copyright 20 05 All Rights Reserved 22 External Antenna Contd 2. 4 Gz dB Log Periodic Antenna 2. 4 Gz dB Magnetic Mount Omni Antenna February 20 05 Copyright 20 05 All ... ARSINIDE February 20 05 LIGHT VELOCITY (km/s) 1.0 1.00003 1.33 1.46 1.5 2. 0 3.4 3.6 Copyright 20 05 All Rights Reserved 300,000 300,000 22 5,000 20 5,000 20 0,000 150,000...
Ngày tải lên: 13/09/2012, 11:16
Lecture 4 - Spread Spectrum Technologies
... - 928 Mhz S-Band - Ghz S-Band ISM (802.11b) 2 .4 - 2.5 Ghz C-Band - Ghz C-Band Satellite downlink 3.7 - 4. 2Ghz C-Band Radar (weather) 5.25 - 5.925 Ghz C-Band ISM (802.11a) 5.725 - 5.875 Ghz C-Band ... C-Band satellite uplink 5.92 5-6 .42 5 Ghz X-Band 8-1 2 Ghz X-Band Radar (police/weather) 9. 5-1 0.55 Ghz Ku-band 1 2-1 8 Ghz Ku-band Radar (Police) 13. 5...
Ngày tải lên: 13/09/2012, 11:16
Lecture 5 - WLAN Infrastruc
... publication 250 NEMA Type 4) February 20 05 Copyright 20 05 All Rights Reserved 16 Access Point Mounts February 20 05 Copyright 20 05 All Rights Reserved 17 Wireless Bridge February 20 05 Copyright 20 05 All ... handle between 8-1 6 clients An Enterprise grade WGB can handle up to 255 clients February 20 05 Copyright 20 05 All Rights Reserved 22 Wireless Router February 20 05 Copyr...
Ngày tải lên: 13/09/2012, 11:16
Lecture 6 WLAN Standards and Organizations.ppt
... 36 technical Societies q The IEEE Standards Association administers the standards process within the IEEE The American National Standards Institute (ANSI) accredits the IEEE and oversees the standards ... and oversees the standards process Many IEEE standards become ANSI standards q The Computer Society is responsible for the IEEE 802 series of standards through its LAN/M...
Ngày tải lên: 13/09/2012, 11:16
Lecture 7 - 802.11 WLAN Architecture
... Interval - Announce existence of 802.11 network Capability Info - Advertisement of network's capabilities Service Set Identity (SSID) - The identity of the service set FH Parameter Set - Specifies ... February 2005 Copyright 2005 All Righs Reserved WLAN Types q Independent Basic Service Set (IBSS) No Access Point An ad-hoc group of wireless nodes Peer-to-peer transmission...
Ngày tải lên: 13/09/2012, 11:16