armistice 发表于 2025-3-25 04:54:56
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Leon Dure IIIr Neubearbeitung der Bände 2 „Massivumformung“ und 3 „Blechbearbeitung“ sehr bald, daß der verfügbare Raum für eine angemessene Darstellung der neuen Entwicklungen zur Präzisionsumformtechnik sowohl in der Massiv- als auch in der Blechumformung unter dem Einfluß des Elektronenrechners auf die Verfah侵略主义 发表于 2025-3-25 12:29:04
tenen Öffnungen. In der betrieblichen Praxis sowie in der Literatur werden für dieses Verfahren gelegentlich auch Begriffe wie Bördeln, Durchziehen (von Kragen), Aushalsen oder Biegen von Innenborden verwendet. Die Öffnungen im Blech können sich in ebenen oder gewolbten Flachen oder auch in Rohren bventilate 发表于 2025-3-25 15:53:03
Somaclonal Variation: Its Genetic Basis and Prospects for Crop Improvement,y all plants regenerated from somatic cells should be clones, a number of observations have indicated that this is not the case.. In addition to the basic genetic implications of this phenomenon, the variation has proven useful in breeding programs of various crop plants.. Conventional plant breedinEbct207 发表于 2025-3-25 23:56:48
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Studies on the 5-Enolpyruvylshikimate-3-Phosphate Synthase Genes of Higher Plants and Engineering oate (S-3-P) (Fig. 1). This reaction constitutes one step of the shikimate pathway. Products of the shikimate pathway are necessary precursors for the synthesis of aromatic amino acids, and other aromatic compounds. EPSP synthase is an essential enzyme in organisms such as plants, bacteria, and fungicrockery 发表于 2025-3-26 06:07:08
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The Role of Plant Compounds in the Regulation of , Nodulation Genes,ave a defined host-range; they are able to form nodules on a limited number of plant species.. The bacteria invade the plant root through an emerging root hair causing the root hair to curl. The bacteria penetrate through several cell layers into the root via an infection thread which is a tube-likefastness 发表于 2025-3-26 13:45:30
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Plant Stress Responses: Discussion of Models for Racespecific Resistance,n general, plants are in a dynamic equilibrium with the environment, constantly responding at the organ, tissue, cellular as well as the transcriptional, translational and enzyme level to environmental changes. When these changes are extreme or when the environment damages or weakens the plant’s abi