The roof abscission layer is the biggest security hidden danger in bolting support tunnel. 对于锚网支护的煤巷来说,顶板离层是潜在的安全威胁。
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。
Normal abscission layer development of hilum 种脐的正常离层发育
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。
Coal Mine Roadway Abscission Layer Online Monitoring Design Based on CAN Bus 基于CAN总线的煤矿巷道离层在线监测系统设计
In order to realize the real-time dynamic monitoring the roof abscission layer of coal mine gallery, the KJ132 roof abscission layer monitoring system based on CAN is researched and developed. 为了实现井下巷道顶板离层的实时动态监测,自主研发了基于CAN总线的KJ132顶板离层监测系统。
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。
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
The non linear numerical simulation software FLAC used for rock mechanics field has been applied successfully during abscission layer destroying in underground roadway. 本文主要探讨岩石力学非线性计算软件&FLAC2D3.3在地下巷道层破坏数值计算中的应用。
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。
GA3 also inhibited abscission, and reduced REP. Effects of Growth Regulators on Differentiation of the Abscission Layer and ABA in the Ovary in Young Fruit of Sweet Persimmons GA3处理离体小果亦可明显抑制脱落,并可减少果实的乙烯释放。生长调节剂对甜柿幼果离层分化和子房ABA的影响
Numerical Simulation of Abscission Layer Characteristics of Dynamic Development under Compound Key Strata 复合关键层下离层动态发展规律的数值模拟
Grouting into abscission layer to reduce subsidence of surface 地下煤层开采覆岩离层注浆减少地面沉陷技术
The Identifying Method on Sound Wave Imaging of Crack 、 Abscission Layer and Caving Zones 裂隙、离层及冒落带的声波成像识别方法
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
Effects of Growth Regulators on Differentiation of the Abscission Layer and ABA in the Ovary in Young Fruit of Sweet Persimmons 生长调节剂对甜柿幼果离层分化和子房ABA的影响
Low temperature was not necessary condition to embryonic development of parthenocarpic varieties, but will induce the formation of the abscission layer cells of suspensor, then leading to flower and fruit drop phenomenon at last. 2. 表明低温不是单性结实胚胎发育异常的必要条件,但会诱导非单性结实品种胚柄离层细胞的形成,最终导致落花落果现象的出现。
Considering the production safety of the fully-mechanized coal status quo and existing problems, the paper designed this monitoring system of hydraulic supports pressure in fully mechanized coalface and roof abscission layer displacement which integrates modern signal gathering, information processing and transmitting technology. 本课题结合目前煤矿综采工作面安全生产的现状及存在的主要问题,设计了一种集信息采集、处理和传输技术于一体的煤矿综采液压支架压力与顶板离层位移监测系统。
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。
Research and analyze the disease situation of coal mine, and the influence to the displacement of coal mine roadway roof abscission layer and two sides pressure of roadway surrounding rock when blasting construct, research and analysis the monitoring data of mutation. 研究分析了煤矿巷道的病害情况,对煤矿巷道顶板离层的位移和巷道围岩两帮压力在受到爆破施工的影响时的发展趋势,研究分析所监测的数据突变。