Despite being once listed as one of the most dangerous countries in the world by The Economist, tourism is still a growing industry in Pakistan because of its diverse cultures, peoples and landscapes.
Pakistan Tourism Development Corporation (PTDC) also helps promote tourism in the country. However, tourism is still limited because of the lack of proper infrastructure and the wor
2. Betty Crocker
Since 1921, General Mills have created convenient, delicious meals and easy-to -make, great-tasting desserts with Betty Crocker products.
3. Gold Medal
They select the best grades of premium wheat and perform quality checks throughout the milling process. The means consumers are assured of consistent results – time after time, recipe
the culture has been defined
by Steve Jobs
and put into 10 lessons:
Design focus
Believe in Job
Forgetting the past
Apple is the best
Take critics to your heart
No defeat
Every detail is important
Steve Jobs- indispensable
High security
Being dominate
The rapid growth Smartphone Market
Research in Motion(RIM) released the Blackberry 2004
Apple released the iPhone on july
1. 서 론
1.1 연구의 필요성 및 목적
밸브는 아주 오래 전부터 유체의 흐름을 제어 하는데 사용되어 왔다. 여기서 말하는 제어란 뜻은 유체에서 물리적으로 표현되는 압력온도 및 유체의 속도 즉 유량을 조절 한다는 것이다. 이러한 밸브는 배관계의 유체흐름을 각각의 프로세스 시스템에서 요구하는
1. Plot the 1-D temperature profile with analytical solution
(temperature vs fin length)
1) Analytical Solution
Fin의 미소면적에 대해 대류에 의한 열의 손실을 고려하여 열전달식을 세워 보면,
---------- (1)
한편 미소변화량은 다음과 같이 나타낼 수 있다.
---------- (2)
(1), (2)에서