A perfect vacuum can be defined as a space with no particles of any state (solid, liquid, gas etc.). practically it is impossible to achieve perfect vacuum. the pressures in vacuum are lower than atmospheric pressures.
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Percentage is one of the chapters in gre which is very important to understand and make concept clear because it will be useful for data interpretation.
percentage is a ratio where the base for comparison is quated to 100. thus,percent means for every hundred.
This powerpoint presentation is about the importance of women education. this presentation will help b.ed students. it provides detailed information about various advantages of female education. this presentation also describes the impact of low female literacy on our society.
Microencapsulation means packaging an active ingredient inside a capsule ranging in size from one micron to several from its surrounding environment until an appropriate time. then, the material escapes through the capsule wall by various means, including rupture, dissolution, melting or diffusion. microencapsulation is both an art and a science.