Presynaptic plasticity is implicated in the modulation of the neurotransmitter release machinery and consequently in synaptic strength.

Study on the contact strength calculation of standard cylindrical spur gear transmission;

The paper deals with the contact strength problem of tractive mechanism of shearer by the finite element parametric quadratic programming method.

Additionally, it has advantages of higher contact strength, wearproof and efficiency in transmission.

The contact intensity formulations of the external wave sliding-toothreducer were discussed and derived theoretically based on referencesl[1￣3].

Finally from the cylindrical gears material quality,the tooth face contact intensity and the tooth root bending strength three aspect multianalysis the measure which anti-transmission expired,has given the gear strength calculation formula.

Effects of holding time on interface structure and bonding strength of brazed joint of hydrogenated TC4 titanium alloy;

Interface structure and bonding strength of brazed joint of TiC cermet/steel;

Through experiments with aluminous sheets,punch bonding mechanism and die designing are studied and main affecting factors on bonding strength characteristics are analyzed.