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Preparation and evaluation of silymarin supersaturation self-emulsifying drug delivery system Meiotic Observations of Pollen Mother Cells in Diploid and Autotetraploid Ziziphus jujuba Mill.‘Lajiaozao’ Studies on yellow rust resistance of T.aestivum Th.intermedium alien disomic addition lines Meiotic Observations of Pollen Mother Cells in Diploid and Autotetraploid Ziziphus jujuba Mill.‘Lajiaozao’ Influence factors on sinomenine releasing rate from Sinomenine Sustained-release Tablet Cloning and Expression Characteristics of Pinus massoniana pmCaM Response to Bursaphelenchus xylophilus Infection Preparation and in vitro release of ginkgo biloba extract sustained-release tablets Meiosis of Pollen Mother Cells in Autotetraploid Petunia Elementary discussion on pharmacodynamic methodology of Chinese materia medica(Ⅰ) EFFECT OF TEMPERATURE ON THE PARAMETERS OF POPULATION OF MUSTARD APHID(LIPAPHIS ERYSIMI KALT) Cytological studies on meiosis and male gametophyte development in cucumber Meiotic Chromosome Behavior of Pollen Mother Cells and Gamete Fertility in Triploid Grape ‘Summer Black’ Observations on Aglaonema modestum Cytogenetic Behavior Meiosis of Pollen Mother Cells in Autotetraploid Broccoli Meiosis of Pollen Mother Cells in Autotetraploid Broccoli Syncytes during male meiosis resulting in 2n pollen grains formation in Lindelofia longiflora var. falconeri Studies on the pollen mother cell meiosis and pollen development of Larix principis-rupprechtii Studies on the Meiosis of Pollen Mother Cell and Pollen Development of Picea koraiensis Nakai A STUDY ONTHE BREEDING OF THE WHEAT-RYE ADDITION LINE(Ⅰ)