Some conceptions involved in the collimator method are introduced and the point displacement and figure deformation are deduced in theory.

Problems existing in reinforced concrete beam reinforcement design with tensile stress graphs;

Effect of simplified stress graph of concrete on bending strength of its cross-section;

To test whether the pattern adaptation in thalamus is dependent upon postnatal visual experience during early life, the responses of relay cells to prolonged drifting grating stimulation were recorded extracellularly from the dorsal lateral geniculate nucleus (dLGN) of cats reared with binocular and monocular lid suture.