Analysis of cave roof safe thickness in karst region based on catastrophe theory 基于突变理论的岩溶区路基顶板安全厚度分析
The evacuation route construction algorithm and traffic flow assignment algorithm in each junction are employed to deliver the traffic flow in the evacuation area to a safe region rapidly and safely. 设计了疏散路线构造算法和路口车辆分配算法,用于引导待疏散车辆迅速地疏散到安全区域。
A document or escort providing safe passage through a region especially in time of war. 提供可以安全通行一个地区的证件或卫队,尤指战争时期。
In order to achieve safe landing in a region of complex terrain with high scientific value, future planetary landers must have the capability of autonomous obstacle detection and avoidance. 为了在具有科学价值的复杂地形区域实现安全着陆,未来的星际着陆器必须具备自主障碍检测与规避的能力。
Based on regional tectonical activity and regional stability, the site of gas works of Xinyang City is located at the safe island region. 从区域断裂带的活动性和区域稳定性看,信阳市燃气混气站场区处于相对稳定的“岛区”。
The development is striking because it underlines the degree to which problems in the US subprime mortgage market is spilling over into seemingly unrelated sectors, including traditionally safe government bond markets in the single currency region. 这一现象相当令人吃惊,因为这突显出美国次级抵押贷款市场的危机正蔓延到看似毫不相关的领域,包括传统上非常安全的欧元区国债市场。
Q: What difficulties in building safe hospitals are specific to your region? 问:贵地区建立安全医院面临何种困难?
Peshawar police said Taliban militants who have carried out a string of attacks in retaliation for the Pakistan army's two-month long campaign against their safe havens in the tribal region of South Waziristan were behind the attack. 白沙瓦警方表示,塔利班武装分子是此次袭击的背后主使。为报复巴基斯坦军队对其位于南瓦齐里斯坦藏身地长达两个月的军事行动,塔利班武装分子实施了一系列袭击活动。
Applied Anatomy of the Safe Region for Intragluteal Injection on Children 小儿臀部肌肉注射安全区的解剖学探讨
At the same time, the concept of the "safe region ( section)" existing in the broken old landslide, important in the reservoir resettlement, was brought up. 评价其危害性,进而确定滑坡区的移民搬迁原则和迁址的选择。同时,提出古滑坡解体后存在有对水库移民安置具有重要意义的安全地带(段)的概念。
The performance standardization and the determination of safe operation region of import catalystic axial flow main blower, before the first putting into operation of new machine, are recommended. 介绍了引进的催化轴流式主风机新机首次投运前的性能标定和安全操作区域的划定。
The anatomic basis on choosing safe region for intramuscular injection 肌内注射安全区选择的解剖学依据
Conclusions There is a safe region for screw fixation in atlas lateral mass. Wider space available for the screw can be acquired when transverse angle is 10 °. 结论寰椎侧块螺钉置钉存在安全区域,内倾10°时可以获得更宽的置钉空间。
It is necessary to confirm the safe region by using axial CT of atlas before screw fixation. 实施寰椎侧块螺钉固定术之前,需要对寰椎横断面CT图像等进行测量,确定置钉的安全区域。
The basic strategy of path planning is that the ALV plans a safe and efficient path in the negotiable region based on the information from vision processing. 路径规划则根据视觉处理获得的信息,在可行区域内规划出一条安全、高效的路径。
Conclusion: It is a safe region for the anterior approach operation in cervical vertebrae between the marks of bilateral anterolateral sulcus. 结论:以颈椎前外侧沟为标志,两沟之间为颈椎手术前方入路安全区域。
The parametric sensitivity behavior and rule of a CSTR are discussed with parametric sensitivity. Safe operation region and runaway reaction region were determined based on the equations of energy balance and mass conservation. 运用敏感度方法研究连续搅拌釜式反应器(CSTR)放热反应的参数敏感性行为及规律,探讨CSTR反应器的安全操作区域和敏感操作区域。
The safe environment of the East Asia region directly influences the realization of Chinese national security and the developing strategic target of the new century. 东亚地区安全环境直接影响中国的国家安全和新世纪发展战略目标的实现。
Conclusion The safe operation area is the rhombus region where the thickness is thicker than 8 mm. 结论枕骨螺钉内固定于枕骨的安全区域应选择在枕骨骨质厚度大于8mm的菱形区域。
Safe region for screw fixation in atlas lateral mass and its clinical application 寰椎侧块置钉安全区域的建立及其应用
The safe environment of the East Asia region in the 21 century and its change is the focus problem concerned by the whole people who concern national security in East Asia. 21世纪东亚地区安全环境演化是一切关心东亚地区安全的人们备加关注的焦点问题。
Objective To determine the surface projection and operative safe region of the lowest branch of superior gluteus nerve for the hip joint direct lateral approach. 目的为髋关节直接外侧入路确定臀上神经最下支的体表投影和手术安全区。
The results indicate that the higher the reaction order is, the stronger the resistible capacity will be to the perturbation of operation parameters and external surroundings. Also, the larger safe operation region and the smaller parameter sensitivity region will be expected at higher reaction order. 结果表明:反应级数越大,系统抵抗外部环境干扰的能力越强,安全操作区域越大,参数敏感区域越小。
Structure characteristics of L3-S1.intervertebrale foramen and its position relation between spinal nerve roots were observed. Anteroposterior, transverse and axial diameters of intervertebrale foramen and safe region for puncture were measured out. 同时对L3-S1椎间孔的结构特征及其与脊神经根的位置关系进行观察,测量椎间孔前后径、上下径,测量出穿刺安全区域大小并与内镜大小进行比较。
The triangular safe region of L3-S1 has enough space to implant coaxial appliances. L3-S1的安全三角工作区,有足够的空间置入同轴器械。
Based on the method, T-shaped tube quality is analyzed theoretically on the basis of this method. It is showed that, for T-shaped part, as a safe forming region of relief pressure is existed, proper parts can only be formed within the region. 在此基础上,对使用该方法成形的管件质量进行理论分析,结果表明对于三通零件存在溢流压力安全成形区域,只有压力在其范围内,才能成形出合格零件。
Safe region is mainly dependent on material properties. Materials with good plastic behavior have large safe region. 安全范围主要与材料性质有关,塑性性能较好的材料其溢流压力的取值范围较大。
Therefore, studying on subgrade state in permafrost during QTR 'operation is a premise of assurance of its long-term, safe and reliable operation in permafrost region. 因此,开展运营期多年冻土区路基工程状态的研究,是保证青藏铁路多年冻土区路基工程长期、安全、可靠运营的前提。