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Sciences AllOther (161) During Soundness testing of Cement by Lechatelier method the Cement mould expands about 20 mm when merged in curing water for 24 hours after mould preparation.In that Cement MgO content is about 3.0%,SO3 is about 2.6% & Blaine is about 360 M2/Kg.Guess the reason & suggest solution.
3076As per X-ray Fluorescence theory, when material particle is irradiated with X-ray the electron of innermost orbital of that element atom is exited and emits outside of the atom as photoelecrons, living behind a hole in innermost orbital . This hole is filled by outer orbital electrons. The question is that finely what happens to that photo electon which is emitted outside of the atom?
1 4238In testing of Cement the formula for water requirement for setting time is as below- Water required for setting time = NC x 0.85 The question is that what is the logic of 0.85 in this formula??
2427hey i am doin bsc biotech and i want to do research on stem cells.....plz tell me how to go about??????
2069
What is the significance of cell line COS-1?
What is the element in third series the element with maximum oxidation state?
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analytical method validation require to with respect to release specification or shelf life specification?
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Explain why does a tea kettle sing?
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Explain why do substances react with each other?
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Some animals have colors for protection. Which are they?
In double bond, how many sigma and Pi bonds are present in it?