This is a preview. Log in through your library . Abstract A procedure is described for observation and enumeration of microscopic epilithic algae, directly on stone surfaces. The method involves the ...

Stanford researchers placed this sample holder (approximately 1-inch diameter, bottom view) containing an anode after battery operation into the X-ray photoelectron spectroscopy tool for thorough ...

How to study the stages children go through as they play together has been highlighted in new research. How to study the stages children go through as they play together has been highlighted in new ...