abscission layer

Normal abscission layer development of hilum

种脐的正常离层发育

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tyloses are often found in injured tissue, older wood, and below an abscission layer, and can completely block the conducting vessel.

受损害的组织、衰老的木材和离层下方的位置常发现侵填体，这可以完全阻塞负责运输的导管系统。

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The Design of the System to Moniter the Roof Abscission Layer under the Well of the Coal Mine

煤矿井下顶板离层位移检测系统的设计

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to do the measure abscission layer grouting in site, the first step is to make clear the developmental rule of abscission layer.

要进行采场覆岩离层注浆等技术措施，首先必须弄清离层的发展规律。

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The features of overburden strata movement are thick strata, multi-stages, slow development, synchronously collapse of multi-rock, leading a big abscission layer space, which is easy to connect to pre-existing fracture, forming ultra-high guide water flowing fractured zone.

覆岩运动为厚岩层，多阶段、慢发展，多岩层的同步垮落，导致离层空间大，容易沟通原生裂隙，形成超高导水裂隙带。

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for conifers which do not form an abscission layer at the base of the cone, shakers have been partially or completely unsuccessful.

对于球果基部不能形成脱离层的针叶树，摇树机的作用不大，或者完全不起作用。

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controlled stability of rock bolting roadways based on roof abscission layer monitor

基于顶板离层监测的锚固巷道稳定性控制

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The roof abscission layer is the biggest security hidden danger in bolting support tunnel.

顶板离层是锚杆支护巷道最大的安全隐患之一.

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roof abscission layer monitoring is one of important part of integrated monitoring in the full-anchor support roadway tunneling process.

顶板离层监测是全锚支护巷道掘进过程中综合监测的重要内容。

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