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construction must vigorously pursue the efficient utilization of labor, material and equipment. Improvement of labor productivity should be a major and continual concern of those who are responsible for cost control of constructed facilitie...
beam is schematically defined in Fig. 1. Under the assumption that the material of beam remains linearly elastic, the relationship of bending moment and beam deformation reads () (1) where ? is the angle of rotation of the deflection curve...
applications. These reagents have allowed high-resolution localization of important molecular targets in individual cells. For example, antibodies can be used to detect certain stages of apoptosis, the activation of signalling cascades, the...
quality and lesion visibility in chest x-ray (kilovoltage=KVp) and (milliampere=mAs) An experiment to investigate the effect of KVp & mAs on the image quality and lesion visibility in chest x-ray (kilovoltage=KVp) and (milliampere=mAs) KV ...
and Circuits This laser is a semiconductor multilayer structure of n-type (excess of electrons in the conduction band) and p (more holes in the valence band). The transition of an electron into the conduction band due to power supply (pump...
X-ray tube. Discussion An X-ray tube is a narrow cylinder where a vacuum provided at each end an electrode rule, one negatively charged (the cathode) and the other positively (anode). An electric current heats the cathode ?at the same time ...
CT apparatus (which surely you've ever seen in a hospital, in reality or on TV or film) consists basically of a ring (like a donut) which enters the patient, a transmitter and a receiver X-ray after the walls of the ring can rotate around i...