• 生长素使植物形成维管系统形成侧根产生乙烯

    Auxin also causes the plant to develop a vascular system, to form lateral roots, and to produce ethylene.

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  • 随着不定根内部维管系统发育,不定根下切口伸出。

    With the development of the vascular systems in the adventitious roots, the roots extrude from the lenticel or the cutting callus.

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  • 根据子叶理论方法对胡萝卜幼苗初生维管系统进行解剖学研究

    After making an anatomic study on the primary vascular system of their seedlings based on the theory and method of cotyledon node zone.

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  • 基部植物系统联成一体,在本质上植物侧根衍生而来。

    The tree-shaped structure of nodular vascular framework is connected with the vascular system of plant in the base, It was derived originally from the plant lateral root primordium.

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  • 本文还就-维管系统形成过程对小小花分化、结实的可能影响了讨论。

    The effect of the formation process of the ear-stem vascular system on the differentiation and development of the spikelets, florets and seed set was also discussed.

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  • 初生维管系统解剖学研究表明:子叶明显长于毛茛科植物幼苗,顶枝伸长型。

    The anatomical structure of its primary vascular system was studied and its cotyledon node zone is longer than that of Ranonculaceae.

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  • PAL活力刺槐胚轴维管系统分子数量木质化程度增长趋势相一致。

    And the activity of PAL coincided with the increasing tendency of the Numbers of vessel element in the plumular axis or juvenile stem of robinia and its degree of lignification as well.

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  • 结果南方红豆杉次生结构由周皮维管系统组成,次生木质部由轴向系统和径向系统两部分构成

    Results The secondary structure of the roots of Taxus chinensis var. mairei consisted of the periderm and vascular cylinder(stele). Axial and radial systems formed the secondary xylem of the roots.

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  • 利用偏光显微镜显微镜,首次报道了模式植物金鱼幼苗初生维管系统木质部分子发育、形成连接过程

    The process of vessel element ' s promotion, formation and connection in primary xylem of antirrhinum majus, a model plant, was observed through micropolariscope and bright - field microscope.

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  • AM真菌广泛存在于土壤生态系统中的一类有益微生物90%以上维管植物形成共生体

    AM fungi is a kind useful microorganism that distributes in the soil system extensively; it can form symbiosis with host plant above 90%.

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  • 目的系统复杂性使得完善严密的封闭管系统成为根治疗成功的难点

    Objective: It is difficult for three-dimensional sealing of root canal because of the complexity of the root canal system.

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  • 介绍利用高灵敏度四象限光电作为探测器的二角度测量系统详细分析了测试原理实验装置

    This paper introduces the dual axis small Angle measuring system, which USES quadrant si-photoelectric cell as the detector, analyzes the measuring principle, experimental equipment.

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  • 苔藓植物作为许多生态系统主要地被物,维管植物天然更新过程发挥着不容忽视作用

    As the main ground cover of many ecosystems, bryophytes play an important role in the process of vascular plants' natural regeneration.

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  • 利用光线追方法,小型激光二极面阵的柱透镜耦合系统进行数值模拟研究。

    With the help of numerical analysis of three-dimension ray tracing, the coupling system of cylindrical lens for small-size LD stacks was studied.

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  • 系统水力过渡过程通常采用理论进行计算的,因此实际的道通常采用沿中心线延伸变成具有相同过流断面的等效来代替

    Hydraulic transients in piping systems are usually calculated by one-dimensional theory, in which real 3-d piping is replaced, by an equivalent straight conduit with the same cross section.

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  • 介绍了一种新型激光成像方法,方法用条纹作为成像系统接收端使激光三成像雷达具有频、大视场特点

    A new type of three-dimensional (3D) imaging laser radar is introduced. It uses streak tube as the receiver, which makes the radar have the peculiarities of high frame rate and wide range angle.

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  • 介绍了一种新型激光成像方法,方法用条纹作为成像系统接收端使激光三成像雷达具有频、大视场特点

    A new type of three-dimensional (3D) imaging laser radar is introduced. It uses streak tube as the receiver, which makes the radar have the peculiarities of high frame rate and wide range angle.

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