About 15 days after girdling, a cork cambium developed near the surface of callus, then developed normal periderm rapidly.

The cork cambium originated from pericyclic cells that resumed their dividing capabilities.

其木栓形成层由中柱鞘细胞恢复分裂能力而形成。

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Active rule of cork cambium is different in different trees, so form the many types of bark.

由于木栓形成层活动的规律不同，所以出现有各种各样的树皮。

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The secondary growth mainly relied on activities of vascular cambium and cork cambium.

次生生长主要是依靠维管形成层和木栓形成层的活动来完成。

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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；

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With the progressive development of stem, the activity of vascular cambium began. The fascicular cambium differentiated into secondary xylem and secondary phloem, while the interfascicular cambium only differentiated into wide ray of parenchyma tissue.

随着茎的继续发育，维管形成层开始活动，由束中形成层产生次生韧皮部和次生木质部分子；而束间形成层仅产生薄壁细胞组成宽的射线。

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As the vascular cambium was initiated, the interfascicular cambium was formed on the adaxial side of secondary phloem produced by the cambium. phloem developed well;

但是当维管形成层形成时，束间形成层在初生乳管的近轴一侧产生，因而随着次生形成层的活动，初生乳管被定位于次生韧皮部远轴一侧。

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However, initiation of cambial activity with cell proliferation and increase in immature phloem cells was about a week later than bud sprouting.

在春季芽膨大前，形成层带已经进入了恢复活动期。在芽展开后一周形成层进入活动期，细胞开始分裂，细胞层数也有所增加，同时分化出未成熟的韧皮部细胞。

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Meanwhile, the radial width of cambial fusiform cell had negative correlations with fiber length, ratio of fiber length to width and ratio of ray tissue, and a positive correlation existed between tangential width of cambial fusiform cell and fiber width.

形成层纺锤形细胞的径向宽度与纤维长度、纤维长宽比和射线比量呈显著负相关；形成层纺锤形细胞的弦向宽度与纤维宽度呈显著正相关。

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No significant differences in tangential and radial width of cambial fusiform cell, length of vessel element, ratio of fiber and ray tissue were found among different stages.

结果表明，形成层纺锤形细胞的径向和弦向宽度在活动期不同阶段差异不显著，而纤维长度、纤维宽度、壁腔比、微纤丝角、导管分布频率和胞壁率差异极显著；

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Correlation analysis indicated that cambial cell number had strong negative correlations with fiber length, ratio of fiber length to width and ratio of fiber wall to lumen, and a positive correlation with fiber width.

形成层带细胞层数与纤维长度、纤维长宽比和壁腔比呈极显著负相关，与纤维宽度呈显著正相关；

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Between primary xylem and primary phloem there are 2& 3 layers of parenchymatous cells, regularly or irregularly arranged, but no cambial zone can be recogni-zed.

初生木质部与初生韧皮部之间可见到2&3层排列规则或不规则的薄壁组织细胞，但是没有维管形成层的发生。

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Repair of the cambered axle of 630t shearing machine

630t剪断机曲轴修复

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This paper introduces the devlopment tendency of modern constructing decoration and the production, application and the developing prospects of polished all porcelain cambered plate.

介绍了现代建筑装饰的发展趋势和全瓷抛光弧面板的产生、应用及其发展前景。

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The automatic grinding of semicircular cambered surface of the cam bowl and its measurement

凸轮滚子半圆弧面的自动磨削及其测量法

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Machining for the chain gear with cambered surface of a stepless transmission

无级变速器弧面链轮的加工

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Calculation on the Minimum Size of Cambered Surface Cam

弧面分度凸轮最小半径的估算

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Research on Ultrasonic Inspection for Cambered Surface of Die Forging Profiles

异型模锻件凸凹弧面区超声波检测方法的研究

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Cambered surface loading, high precision and high reliability.

弧面承载方式、高精度和高可靠性，稳定性好。

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Laser can print various characters, symbols and patterns on the plat surface or cambered surface, so high-speed laser marking can realize the real-time marking on the product assembly line, with the advantage of highly marking accuracy, fast processing speed, and so on.

激光可以在平面或者弧面上打印各种文字、符号和图案，高速打标可在生产线上实现实时打标，具有打标精度高、加工速度快等优点。

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The appearance of each square elbow presents a smooth cambered surface.

所述的直角弯头外表呈光滑的弧面。

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