Different stages of purification in water
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আমাদের সবার জন্য খুব খুব গুরুত্বপূর্ণ একটি বই ..বিসিএস, ব্যাংক, ইউনিভার্সিটি ভর্তি ও যে কোন প্রতিযোগিতা মূলক পরীক্ষার জন্য এর খুব ইম্পরট্যান্ট একটি বিষয় ...তাছাড়া বাংলাদেশের সাম্প্রতিক যে কোন ডাটা বা তথ্য এই বইতে পাবেন ...
তাই একজন নাগরিক হিসাবে এই তথ্য গুলো আপনার জানা প্রয়োজন ...।
বিসিএস ও ব্যাংক এর লিখিত পরীক্ষা ...+এছাড়া মাধ্যমিক ও উচ্চমাধ্যমিকের স্টুডেন্টদের জন্য অনেক কাজে আসবে ...
ANATOMY AND BIOMECHANICS OF HIP JOINT.pdf
it describes the bony anatomy including the femoral head , acetabulum, labrum . also discusses the capsule , ligaments . muscle that act on the hip joint and the range of motion are outlined. factors affecting hip joint stability and weight transmission through the joint are summarized.
Walmart Business+ and Spark Good for Nonprofits.pdf
"Learn about all the ways Walmart supports nonprofit organizations.
You will hear from Liz Willett, the Head of Nonprofits, and hear about what Walmart is doing to help nonprofits, including Walmart Business and Spark Good. Walmart Business+ is a new offer for nonprofits that offers discounts and also streamlines nonprofits order and expense tracking, saving time and money.
The webinar may also give some examples on how nonprofits can best leverage Walmart Business+.
The event will cover the following::
Walmart Business + (https://business.walmart.com/plus) is a new shopping experience for nonprofits, schools, and local business customers that connects an exclusive online shopping experience to stores. Benefits include free delivery and shipping, a 'Spend Analytics” feature, special discounts, deals and tax-exempt shopping.
Special TechSoup offer for a free 180 days membership, and up to $150 in discounts on eligible orders.
Spark Good (walmart.com/sparkgood) is a charitable platform that enables nonprofits to receive donations directly from customers and associates.
Answers about how you can do more with Walmart!"
clinical examination of hip joint (1).pdf
described clinical examination all orthopeadic conditions .
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Different stages of purification in water
- 2. KUNJUKRISHNAN NADAR MEMORIAL B.Ed College Kanjiramkulam Trivandrum
- 3. Name of the student: Jayamohan Das D.L Optional Subject: Physical Science Register Number: 18214398003 Year: 2014-2015
- 4. Topic Different stages of purification in water
- 6. DISTRIBUTION Can we use the water in lakes, rivers and ponds as drinking water? What methods can be used to purify turbid well water in your house? What about drinking water in your school? To meet the requirements of water of the people living in cities we use water from rivers and lakes. How is river water purified? Note the different stages in water purification.
- 8. 3. Aeration : The oxygen content of water is retained in this stage. The water in the reservoir is allowed to flow as small streams into another tank where it is mixed with air. 4. Filtration : Water is filtered by passing through sand and gravel.
- 9. 5. Sterilization : Chlorine is passed through water to kill the bacteria that may still be present in water. Water is now purified and can be used as drinking water
- 10. THANK YOU