پاورپوینت HARMELING PHYSICAL THERAPY

دانلود پاورپوینت HARMELING PHYSICAL THERAPY

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کد کاربری 7169

تمام فایل ها

ALL ABOUT SHOULDERS

PREVENTION, RECOGNITION, AND MANAGEMENT

SHOULDER ANATOMY

SHOULDER COMPLEX

•3 Joints and 1 Articulation

•Ball is 3 – 4 x bigger than the socket

•This leads to a very unstable joint

•Joint stability comes from both active and passive structures

SHOULDER ANATOMY

3 SHOULDER JOINTS

1.Glenohumeral Joint: Ball and Socket 2.Acromioclavicular Joint: AC Joint 3.Sternoclavicular Joint: SC Joint

1 SHOULDER ARTICULATION

4. Scapulothoracic Articulation:

Located between shoulder blade and rib cage

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HARMELINGPHYSICALTHERAPY

پاورپوینت Gasoline & TEL Replacing Additives In Gasoline

دانلود پاورپوینتGasoline TEL Replacing Additives In Gasoline

دسته بندی	فنی و مهندسی
فرمت فایل	ppt
حجم فایل	2197 کیلو بایت
تعداد صفحات فایل	15

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کد کاربری 7169

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Gasoline & TEL Replacing Additives In Gasoline

Contents

Introduction

How lead increases the octane degree?

What is the problem of TEL ?

RFG

TEL substitutes-(Oxygenates): ØMTBE ØETBE ØEthanol

Chemical & physical properties of oxygenates

Introduction

Fuel is combination of different hydrocarbons most of which is comprised of Alkanes. Some hydrocarbons (heptanes) combine with oxygen and burn prior to ignition, thus cause:

uShock to engine vDecrease the engine yield wProduce noises like knocking

The octane number of gasoline is the percentage of iso-octane in normal-heptane so, the more the proportion of iso-octane is the more calm burning percentage.

How lead increases the octane degree?

•It was discovered in 1992 that if tetraethyl lead is added to fuel, the lead and lead oxide (PbO) particles are produced during combustion, increasing the octane number causes the gasoline to burn calm and soft and prevent strokes.

•In tetraethyl lead, one lead atom is encompassed by 4 Ethyl groups in a tetrahedron coordination. The C-Pb joint is too weak and will easily break by heat, creates lead and C2H5 radicals, and the combustion process continues with radical reactions.

GasolineTEL ReplacingAdditives In Gasoline

پاورپوینت Energy Systems

The food is broken down into soluble chemicals (eg glucose) by digestion in the gut §The soluble chemicals pass through the gut wall into the blood §The blood carries the soluble food chemicals to all of the body’s cells where they will be used for

دسته بندی	تربیت بدنی
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Energy for Exercise

Food is the source of energy for the human body and it also provides nutrients for growth and repair. When food is eaten, this is what happens…

§The food is broken down into soluble chemicals (e.g. glucose) by digestion in the gut. §The soluble chemicals pass through the gut wall into the blood. §The blood carries the soluble food chemicals to all of the body’s cells, where they will be used for:

Energy

Growth

Repair

Making Energy Available to the Cells of the Body

§The glucose enters the small intestine where it passes into
the blood.

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Energy Systemsپاورپوینت Energy SystemsEnergy for ExerciseMaking Energy Available