On classes of C3 and D3 modules are provided and used to describe some well-known classes of rings and modules. For example,
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R Integrated-optical low-loss PbO2 diffusion waveguide sensitive chemical sensor. a high sensitivity. The test of this system demonstrates that this sensor can detect the ammonia
Aerosol coagulation on nonlinear oscillations in a closed tubeResults of experimental investigation of nonlinear oscillations of an aerosol contained in
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