Development and Molecular Cytogenetic Characterization of Cold-Hardy Perennial Wheatgrass Adapted to Northeastern China

Cold-hardy perennial wheatgrass plays an Alarm Clock important role in the use of barren land for farming, soil and water conservation, variety improvement, and also for increasing grass yield.By crossing octoploid tritelytrigia (2n = 8x = 56, AABBDDEE) with Thinopyrum intermedium (2n = 6x = 42, StStJJJSJS), we developed 34 lines of perennial wheat

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Investigation of the on-axis atom number density in the supersonic gas jet under high gas backing pressure by simulation

The supersonic gas jets from conical nozzles are simulated using 2D model.The Power Switch on-axis atom number density in gas jet is investigated in detail by comparing the simulated densities with the idealized densities of straight streamline model in scaling laws.It is found that the density is generally lower than the idealized one and the devi

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