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- stem section method 切茎繁殖法
- The optimal explant in tissue culture was stem section,and the frequence of callus induction can reach 50%. 在进行组织培养时可优先考虑采用其茎作为外植体进行愈伤组织诱导,其诱导率可达50%25。
- This new method helps to solve the velocity problem which can hardly be settled by CMP stacking section method. 这种方法克服了共中心点叠加时间剖面法难以解决的速度问题。
- With the traditional paraffin section method, the initiation and development were systematically studied. 摘要利用常规石蜡切片法,系统研究了广藿香不定根的起源和发育。
- Meanwhile, paraffin-cut section method was used for studying on callus formation, cork cambium and vascular cambium initiation. 同时,运用石蜡切片法研究剥皮后愈伤组织的形成、木栓形成层和维管形成层的发生;
- In this thesis we investigate the chaotic dynamics in the curved space-time in the phase space (?) and using the Poincare section method. 本文将广义相对论与非线性动力学理论结合起来,同时主要运用相空间技术和彭加莱截面方法研究了弯曲时空中的混沌动力学问题。
- Comparative observations were made on the morphology and anatomy of secretory cavities in stems of 14 genera, 23 species and one varieties by paraffin and thin section method. 摘要利用石蜡切片和薄切片方法对芸香科14属23种和1变种植物幼茎中分泌囊的分布和结构进行了比较研究。
- Based on golden section method, the author has established Gan-Chen model which accurately obtain that the position of neutral point and mid-point is located at 0.382 L and 0.618L, respectively. 笔者应用黄金分割原理建立的Gan-Chen模式;能正确地计算出:桩的中和点在0.;382L处; 中性点则在0
- When 5ppm BA+1ppm NAA was added into the medium,65% of the stem sections formed adventitious buds,and 16.7% of the leaves formed PLB.In the MS+1ppm BA medium,PLB subculture gave multiplication,and the structures formed young plants by further culture. 在附加BA5ppm+NAAlppm 的培养基里;茎段不定芽诱导率为65%25;叶片PLB 诱导率为16.;7%25;用MS+BAlppm 进行PLB 继代培养可获得大量群体;进一步培养可形成完整小苗。
- Comparative observations were made on the morphology and anatomy of secretory cavities in leaves of 22 genera, 40 species and two varieties by the whole mounting, paraffin and thin section method. 利用整体透明、石腊和薄切片方法对芸香科22属,40种和2变种植物叶分泌囊的形态结构和分布进行了比较研究。
- The techniques of brain stem sectioning, electrical stimulation, electrical coagulation and recording neuroral activity were used to study the relations between the control of respiration and each region of the medulla of the pigeon(Columba livia). 在39只家鸽用横切脑干、电刺激、电损毁和记录神经细胞放电的方法研究了延髓各部与呼吸调控的关系。
- The leaf form and structure of 93 species and 2 varieties of Annonaceae were comparatively studied with the help of scanning electron microscope, epidermal maceration and paraffin section method. 摘要利用扫描电镜、叶表皮离析法和石蜡切片法研究了番荔枝科93种2变种植物叶片的形态结构。
- Comparative micromorphology of the leaves of 2 species and 3 populations in Melampyrum from Anhui were studied with epidermal maceration, electron microscope and paraffin section method. 摘要利用离析法、扫描电镜和石蜡切片法对安徽产2种3居群山罗花属植物的叶进行了微形态比较研究,结果表明:该属植物叶表皮细胞形状为不规则形,垂周壁呈波状、深波状至重波状;
- The development of female flower, megasporegensis and the development of embryo of Fraxinus mandshurica were observed by the paraffin sectioning method. 用石蜡切片法对水曲柳雌花发育、大孢子发生及胚胎发育的过程进行了解剖学观察。
- The arrangement of leaves on a stem. 叶序茎上叶子的排列次序
- I've read the book from stem to stern. 这本书我已从头至尾读完。
- Measures have been taken to stem inflation. 已采取措施抑制通货膨胀。
- Anatomical Observation of Acer negundo L. Callus Induced from Stem Section 复叶槭茎段诱导的愈伤组织解剖学观察
- The liner has been refitted from stem to stern. 那艘班轮已经全面整修。