what is the streak of sedimentary rocks
Streak
by strecting it on a streak plate
biotite has a colorless streak
The streak of lead is gray.
to under stand the principle of bacterial isolation
Why is it impotant to use dry and hard agar for streaking
Streak plating and picking a single colony for the culturing in a broth.
To increases the probability that colonies of the desired organism will be isolated upon subsequent streak-plating and not crowded out by others.
· Cadmium plating is considered to be one of the best plating finishes for corrosion resistance, able to provide excellent protection even in the harshest environments. Other benefits of cadmium include excellent lubricity and low electrical resistance.
so that we can dilute the consentrated bacteria (or whatever) into forming a single colony that can be idntifiied with the naked eye
it is a plating of immersion
This will depend on the material you are interested in plating with. As the price of gold goes up, even plating with gold will become more and more expensive. Plating with silver will be less pricey than plating with gold.
alkaline zinc plating is less expensive to prepare and maintain , and it do not cause pollution as cyanide zinc plating.
what is the streak of sedimentary rocks
Gatero's plating offers a nice chrome plating kit for an affordable price, and you can buy them online at http://www.gaterosplating.co.uk/Replica-Chrome-Plating-Kit.php. They also have other plating kits.
Plating can be used for resist the rust & corrosion.