Birnith

Ionization Chambers (page 2) featuring highvalue resistors as feedback elements. Prophylactic Effect of Second Hand Smoke possibly?. Radon Detector for the Student includes a simple ionization chamber.

Behavioral Social Science. A study of territoriality in mice; A study of the cleaning habits of mice; Observation of conditioned responses in different animals

This is the maximum Basic English combined wordlist. It is what the advanced student will know when moving from Basic English to the standard English language.

Here you'll find a list of the ISO technical committees in the order in which they were created. The first, TC1, deals with screw threads and was created back in 1947. While, more recently, TC 309 was created to standardize organizational governance. Clicking on the committee name will give you ...