The main purpose of this study was to determine the effects of science process skills instruction on inservice secondary school science teachers: (i) achievement of science process skills, (ii) attitude toward the use of science process activities, (iii) selection of process obj…
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Eleven saline-sodic soils in the Indus Plain of Pakistan were studied to characterize their profiles with respect to permeability to water, texture, pH, and soluble ions of Na+, Ca²⁺, Mg²⁺, Co\sb3²⁻, HCO\sb3-, Cl-, and SO\sb4²⁻. Surface and subsurface permeabilities were low, wi…
Quasi cut-through: a novel hybrid switching technique for computer communication networks is proposed and analyzed in this thesis. This switching technique combines packet, message and circuit switching. According to this technique the messages seeking entry to a computer networ…