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Troy Lester

Troy Lester

@troy-lester
Tanzania

107 Contenus publiés

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38 * 概 念: 变形:外力作用下,材料发生的尺寸和形状变化。   弹性变形与塑性变形: 外力去除后,随之消失的变形为弹性变形;残留的(即永久性的)变形为塑性变形。 PPT
* 概 念: 变形:外力作用下,材料发生的尺寸和形状变化。   弹性变形与塑性变形: 外力去除后,随之消失的变形为弹性变形;残留的(即永久性的)变形为塑性变形。

2. 2 弹性变形. * 概 念: 变形:外力作用下,材料发生的尺寸和形状变化。   弹性变形与塑性变形: 外力去除后,随之消失的变形为弹性变形;残留的(即永久性的)变形为塑性变形。 弹性变形是可逆的,取决于原子间的结合力。. 2.2.1 弹性变形及其物理本质 物理机制:原子系统在外力作用下离开其平衡位置达到新的平衡状态的过程,因此,对弹性变形的讨论,必须从原子间的结合力模型开始。.   假定有两个原子,原子之间存在长程的吸引力和短程的排斥力,作用力 P 随原子间距的变化关系如下:

496 vues
9 Dynamic Earth: The Story of Plate Tectonics PPT
Dynamic Earth: The Story of Plate Tectonics

Dynamic Earth: The Story of Plate Tectonics. Shamsa Gilani. Context. Seventh grade Urban school Limited access to computers. Generative Topic. Central to the study of Earth History Relates to my passions Accessible through multiple entry points Worth teaching. Targets of Difficulty.

262 vues
155 INTERFERENCE PPTX
INTERFERENCE

INTERFERENCE. INTERFERENCE. Topics Two source interference Double-slit interference Coherence Intensity in double slit interference Interference from thin film Michelson’s Interferometer. Text Book: PHYSICS VOL 2 by Halliday, Resnick and Krane (5 th Edition).

4,582 vues
10 Emery Matrices PPT
Emery Matrices

Emery Matrices. SOAR to Success!. Classroom. Cafeteria. Restroom/Water Fountain. Library. Hallway. Arrival/Dismissal. Buses. Playground. DMC (Discipline Management Class).

211 vues
93 Biology 221 Notes Exam I PPT
Biology 221 Notes Exam I

Biology 221 Notes Exam I. Powerpoint 1. Biolog y is the study of life. There are currently millions of extant (living) species (see below for taxonomic levels). Properties that are shared by all living organisms. Order.

1,125 vues
11 Postpartum IUDs and Sterilization: Program Considerations PPT
Postpartum IUDs and Sterilization: Program Considerations

Postpartum IUDs and Sterilization: Program Considerations. Roy Jacobstein, M.D., M.P.H. John M Pile, M.P.H. EngenderHealth Strengthening FP Services through OR: Lessons Learned and Future Directions April 24, 2008. Setting the Stage Postpartum IUDs and Sterilization. Need

247 vues
20 5.5 Inequalities in One Triangle PPT
5.5 Inequalities in One Triangle

5.5 Inequalities in One Triangle. Geometry Mrs. Spitz Fall, 2004. Objectives:. Use triangle measurements to decide which side is longest or which angle is largest. Use the Triangle Inequality. Assignment. pp. 298-300 #1-25, 34.

308 vues
8 Obchodní politika sponzoringu 2011 TV Nova a Nova Cinema PPTX
Obchodní politika sponzoringu 2011 TV Nova a Nova Cinema

Obchodní politika sponzoringu 2011 TV Nova a Nova Cinema. Stanovení výsledné ceny sponzoringového plnění. Co nabízíme za produkty Sponzoring pořadů Sponzoring programu. Systém uplatnění procentních slev na ceníku pořadů Sleva za ostatní mediální kanály 6-10% Sleva za objem 5-13 %

320 vues
16 Open eAutomation, Boundless Integration PPT
Open eAutomation, Boundless Integration

Open eAutomation, Boundless Integration. Howard Lin Sales V.P. of Industrial Automation Group. CAGR of Distributed/ Remote I/O Products. Fieldbus Market Share Trend. Market Trend of Industrial Ethernet Equip. Driving Force for Open Architecture.

272 vues
17 Red Federal de Control Público PPT
Red Federal de Control Público

Gerencia de Supervisión Institucional y Social. Red Federal de Control Público. Evolución 2002 - 2009. 8 años de labor. Dispersión geográfica + magnitud financiera + centralización normativa + descentralización operativa. Características Generales. + recursos. + dificultad.

271 vues
10 Applied Econometrics Second edition PPTX
Applied Econometrics Second edition

Applied Econometrics Second edition. Dimitrios Asteriou and Stephen G. Hall. MULTIP LE REGRESSION. 1 . The Multiple Regression Model 2. The OLS Method of Estimation 3. The R 2 and the Adjusted R 2 4 . Hypothesis Testing 5. How to Estimate a Simple Regression in EViews.

2,343 vues
6 Starter PPT
Starter

Starter. Find the next 3 terms of the sequence: 2, 5, 8, 11, … 2, 6, 18, 54 4n – 2 -5n + 3. 14, 17, 20. 162, 486, 1458. 2, 6, 10. -2, -7, -12. Note 3: Arithmetic Sequences. The formula for an arithmetic sequence is:. u n = u 1 + (n – 1)d. u 1 = first term

198 vues
39 “By Faith Abel Offered” PPT
“By Faith Abel Offered”

“By Faith Abel Offered”. Hebrews 11:4. Pg 1068 In Church Bibles. Marion Jones “the world's biggest track and field star” “media darling during the 2000 Olympics” Associated Press Last December formally stripped her of her three gold and two bronze medals

502 vues
21 A Student Guide for Getting Started PPTX
A Student Guide for Getting Started

A Student Guide for Getting Started. What is Edmodo?. Free social learning network for teachers, students, schools and districts Safe and easy way to: Connect Exchange ideas Share content Access homework, grades and school notices . Learn responsible social networking skills.

376 vues
17 旗津 半島舊稱旗 後半 島 ,與高雄市僅一 港 之 隔,早期旗津 對外 交通工具 都以 渡輪為 主 ,雖然現在有 過港 隧道 ,但多年來 渡輪 PPTX
旗津 半島舊稱旗 後半 島 ,與高雄市僅一 港 之 隔,早期旗津 對外 交通工具 都以 渡輪為 主 ,雖然現在有 過港 隧道 ,但多年來 渡輪

旗津. 旗津 半島舊稱旗 後半 島 ,與高雄市僅一 港 之 隔,早期旗津 對外 交通工具 都以 渡輪為 主 ,雖然現在有 過港 隧道 ,但多年來 渡輪 不僅 是旗津人生活的一部分,更是外地人對港都辨識度最高的象徵,也是港都文化窗口。旗津半島的風景怡人,自然景觀相當豐富,在海水浴場裡有柔軟細緻的白色沙灘,湛藍的海水,是酷夏絕佳的消暑勝地。. 街道上有三百多年的歷史的天后宮,也是高雄市二級古蹟;而旗津的觀光三輪車更是台灣小鎮中僅有的街道景觀;還有百年歷史的旗後燈塔、旗後炮台等 …… ,旗津豐富的人文發展及自然景觀,是您絕佳的旅遊休閒選擇。. 三輪車

330 vues
6 我的麻吉 ! 梁語庭 ~ PPTX
我的麻吉 ! 梁語庭 ~

我的麻吉 ! 梁語庭 ~. 508 25 陳采霓. 姓名 : 梁語庭 星座 : 處女座 生日 :88 年 9 月 10 號 血型 :A 型 手機 :0911455776 興趣 : 唱歌 專長 : 養狗 最喜歡的寵物 : 小狗 ~( 瑪爾濟斯 ) 最喜歡的顏色 : 紫色 最喜歡吃的東西 : 科學麵 最喜歡的的天氣 : 晴天. 唱歌超好聽的 A- lin ~ 508 25 陳采霓. A- lin 的歌聲好聽到爆 ! 讓你不知不覺陶醉在她的歌聲裡 !. 讓我們一起來認識她吧 ~. A- lin 的 出道歷程. 圖片來源網站

261 vues
24 Canada enters World War II PPT
Canada enters World War II

Canada enters World War II. How was Canada’s entry to WW II different than WW I?. September 28-29, 1938: Munich Conference March 1939: Hitler took over Czechoslovakia August 23, 1939: Nazi-Soviet Non-Aggression Pact Signed September 1, 1939: Germany invades Poland

383 vues
1 Materiales y Métodos: PPT
Materiales y Métodos:

PROGRAMA DE EDUCACIÓN CONTINUA: REVISIÓN TEMÁTICA DE LOS CURSOS DE PARASITOLOGÍA MEDIANTE EL EMPLEO DE ENCUESTAS PREVIAS EFECTUADAS A LOS ASISTENTES. Nº 27. M. C. Cailliat ; E. Camps; D. Valentini. Fundación Bioquímica Argentina; Viamonte 1167, 3º piso,

152 vues
5 Identitas Mahasiswa PPT
Identitas Mahasiswa

TUGIYATI, 5401902005 PEWARNAAN KAIN POLIESTER MENGGUNAKAN KUNYIT MELALUI TEKNIK PENCELUPAN DENGAN MORDAN SODA ABU. Identitas Mahasiswa.

148 vues