ABSTRACT
A holder to lodge and bend a silicon crystal to excite multivolume reflection of a high-energy particle beam has been designed and fabricated. A mechanically robust and stable structure fastens a crystal at best condition for experiments. The holder has allowed the observation of 12-time repeated volume reflection with very high efficiency. We detail the most important features behind the construction of the holder together with the characterization of the crystal being bent by the holder.
ABSTRACT
The Authors propose a revision of the most recently literature on the Acquired Immune Deficiency Syndrome (AIDS), by stopping on ethiologic aspects and on the transmission modalities of HIV virus for the purpose to observe some precautional normes adoptable in odontoiatric practise.
