The study of Language - Yule

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کتاب زبانشناسی جرج یول (چاپ چهارم) از جمله کتاب های پرفروش زبانشناسی می باشد. این کتاب برای دانشجویان رشته آموزش، مترجمی و ادبیات انگلیسی بسیار مهم می باشد. همچنین از منابع بسیار مهم کنکور ارشد به شمار می رود.

بطور کلی اگر بدنبال کتابی هستید که می خواهید به راحتی مباحث linguistics را یاد بگیرید این کتاب را به شما پیشنهاد می کنم.

اطلاعات مربوط به چاپ جدید (چهارم) به شرح زیر است:

a change in the overall organization of the book, with Writing moving to
Chapter 16.
* revision of the internal organization of some chapters, with a clearer division of the
material into main topics and subtopics, with additional topics including new
accounts of language origins, text messaging, kinship terms and more than twenty
new word etymologies.
* over fifty new Tasks, including thirty that involve data analysis, so that students
can apply what they’ve learned.
* a new online Study Guide www.cambridge.org/yule to help students with those
Tasks.

Table Tennis and its Benefits in Improving Fitness

اختصاصی از فی توو Table Tennis and its Benefits in Improving Fitness دانلود با لینک مستقیم و پر سرعت .

فرمت: word

تعداد صفحه : 13

Topics                                                                                                    

Abstract

Introduction

General Health Benefits

Physical Benefits of Tennis (Aerobic Fitness)

(Anaerobic Fitness) , (Improved Speed and Acceleration)

(Strength, Coordination, and Agility)

(Flexibility) , (Cross – Training)

Additional Health Benefits (Bone Health)

(Improved Overall Health, Immune Function, and Body Composition)

Physical Reasons to Play Tennis (The Mind – body connection)

(Stress Management) , (Recovery – Not Just Physical)

Life Lessons

Additional Considerations

Conclusion

References

Abstract

     Tennis is a sport with numerous health benefits for individuals of all ages. It is also a tremendously effective fitness activity. Regular participants experience a wide variety of health-related physical and mental benefits, from improved cardiovascular, metabolic, and bone health to improved agility, coordination, and even stress and anxiety management. Physicians and other health care professionals can play an important role in educating patients and the public about the health benefits of tennis as well as motivating them to take up this activity as part of an overall exercise prescription. Based on the scientific evidence available, it is difficult to find an activity that offers as wide a range of overall health benefits as tennis, and individuals who take up tennis reap tremendous rewards.

and ...

Numerical Study of the Effect of Parietal Suction and Injection on Momentum and Heat Transfer of Laminar and Turbulent External

اختصاصی از فی توو Numerical Study of the Effect of Parietal Suction and Injection on Momentum and Heat Transfer of Laminar and Turbulent External Flow (مقاله لاتین می باشد و فاقد ترجمه می باشد10ص ) دانلود با لینک مستقیم و پر سرعت .

Abstract
The present study is focused on the effect of parietal suction and injection on the hydrodynamic and
thermal behavior of external flow. Injection is produced by imposing inward parietal velocity, which
corresponds to negative values of stream function. While suction is produced by imposing outward
parietal velocity which corresponds to positive values of stream function. External flow is assumed twodimensional boundary-layer where laminar, transitional and turbulent flow region are considered.
Turbulence is modeled by algebraic eddy viscosity approach of Cebeci and Smith. Numerical procedure,
based on an implicit finite difference box method with non-uniform grid is employed for the solution of
the coupled governing conservation equations of mass, momentum, enthalpy and boundary conditions. It
can be shown that wall conditions affect significantly the momentum and heat transfer. For laminar flow,
imposed stream function condition confers the property of flow similarity for both situations of suction
and injection. In contrast, non-similarity for turbulent flow parameters is observed. The increase of
injection velocity causes an increase of flow shape factor and decreases the shear coefficient and the
Nusselt number. Turbulence amplifies parietal shear stress, which delays the flow separation.

ترجمه ماشینی

چکیده
پژوهش حاضر در اثر مکش جداری و تزریق در هیدرودینامیک متمرکز و
رفتار حرارتی جریان خارجی. تزریق با تحمیل سرعت به سمت داخل جداری، تولید که
مربوط به مقادیر منفی از عملکرد جریان. در حالی که مکش است با تحمیل بیرون تولید
سرعت جداری که مربوط به ارزش های مثبت از عملکرد جریان. جریان خارجی فرض بر این است لایه مرزی دو بعدی که در آن ورقه های نازک، انتقالی و منطقه جریان آشفته در نظر گرفته.
تلاطم با استفاده از روش ویسکوزیته گردابی جبری از Cebeci و اسمیت مدل شده است. روش عددی،
بر اساس یک روش جعبه تفاضل محدود ضمنی با شبکه غیریکنواخت است برای حل به کار
همراه معادلات حاکم حفاظت از جرم، تکانه، آنتالپی و شرایط مرزی. آی تی
میتوان نشان داد که شرایط دیوار را تحت تاثیر قرار به طور قابل توجهی از حرکت و انتقال حرارت. برای جریان آرام،
تحمیل شرایط تابع جریان اعطا اموال شباهت جریان برای هر دو شرایط مکش
و تزریق. در مقابل، عدم تشابه برای پارامترهای جریان آشفته مشاهده می شود. افزایش
سرعت تزریق باعث افزایش فاکتور شکل جریان و ضریب برشی و کاهش
عدد ناسلت. اغتشاش تقویت تنش برشی جداری، که به تاخیر می اندازد جدایی جریان است.

دانلود مقاله Wireless Sensor Network Applications: A Study in Environment Monitoring System

اختصاصی از فی توو دانلود مقاله Wireless Sensor Network Applications: A Study in Environment Monitoring System دانلود با لینک مستقیم و پر سرعت .

Wireless Sensor Network Applications: A Study in Environment

International S ymposium on R obotics and Intelligent S ensors 2012 (IR IS 2012)
Monitoring System
Mohd Fauzi Othmana, Khairunnisa Shazalib*

Abstract
Development in the technology of sensor such as Micro Electro Mechanical Systems (MEMS), wireless communications, embedded
systems, distributed processing and wireless sensor applications have contributed a large transformation in Wireless Sensor Network
(WSN) recently. It assists and improves work performance both in the field of industry and our daily life. Wireless Sensor Network has
been widely used in many areas especially for surveillance and monitoring in agriculture and habitat monitoring. Environment monitoring
has become an important field of control and protection, providing real-time system and control communication with the physical world.
An intelligent and smart Wireless Sensor Network system can gather and process a large amount of data from the beginning of the
monitoring and manage air quality, the conditions of traffic, to weather situations. In this paper, we discuss and review wireless sensor
network applications for environmental monitoring. In order to implement a good monitoring system, there are several requirements to be
followed. From the studies, it has been proved to be an alternative way to replace the conventional method that uses men force to monitor
the environment. It is also proven that these approaches can improve the system performance, provide a convenient and efficient method
and can also fulfill functional requirements.