FRONT
发表于 2025-3-28 17:18:40
,Gestaltung von Schweißkonstruktionen,en based on light microscopic observation was first given by Wodehouse . He embedded the pollen in glycerin jelly without using any chemical procedure, and paid particular attention to the furrow and the rise of the furrow rim, which had been reported to be a primitive wing of Abietineae by Jeffr
单调女
发表于 2025-3-28 20:51:02
,Prüfung und Abnahme des Erzeugnisses,otile sperm in . and . represented the culmination of progress, beginning with the discovery of the pollen tube by Amici , in the field of plant reproductive biology during the nineteenth century. Discovery of zooidogamy in . and cycads in 1896 provided a critical connection, in terms of evolutio
perimenopause
发表于 2025-3-29 01:32:40
,Plattierte Stähle und Schweißplattierungen,tumn. Female trees produce many edible seeds every autumn. These beautiful and valuable plants have been cultivated for more than a thousand years in China and Japan. The long-lived trees are especially well preserved in the precincts of Buddhist temples or shrines in Japan. Now they have been culti
bacteria
发表于 2025-3-29 05:07:04
https://doi.org/10.1007/978-3-7091-6246-0ation of the female gametophyte. Much later, as a result of his study on fertilization in ., he argued in favor of the existence of canal cells in Ginkgo and contributed to the knowledge of the development of the embryo ; however, he did not make any observations on fertilization himself. His las
Tremor
发表于 2025-3-29 07:20:56
Geschichte der Seifenfabrikation,tron microscopy (SEM). TEM techniques were mainly used in the study of male and female organ ontogeny and of gametophyte development in situ and in vitro, as well as in studies of secretory structures and photosynthetic apparatus. Studies of mycorrhizae were done using both TEM and SEM; leaf surface
Accomplish
发表于 2025-3-29 14:53:39
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杂役
发表于 2025-3-29 16:22:01
Verbale und vokale Kommunikation,genome size. Because several karyotypes and idiograms in which chromosomes were arranged in various orders have been reported, I wish to propose a standard karyotype for future study. I show some results of fluorescent banding and physical mapping of ribosomal RNA genes. These results are discussed
处理
发表于 2025-3-29 22:06:00
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epidermis
发表于 2025-3-30 00:22:35
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步兵
发表于 2025-3-30 05:07:39
https://doi.org/10.1007/978-3-642-51320-6e widely distributed throughout the world during the Jurassic period. Based on fossil records, it is estimated that at least 12 . species existed. Most species of this genus and many other plant species perished during the glacial epochs of the Tertiary period. However, . is considered to have survi