他说,煤矿与大自然做斗争,存在很多不确定因素,目前煤矿安全管理最大的风险来自于瓦斯,防突是第一位的。
He said the coal fight with nature, there are many uncertain factors, currently the largest coal mine safety management of risk from gas outburst is the first.
目的:分析影响腰椎间盘突症(LDH)手术疗效的因素,找出ldh的手术适应证。
Objective: to identify some factors that affect the outcome of lumbar disc herniation (LDH) treated by operation and determine the indication of the operation for LDH.
底板突水是一个十分复杂的地质力学作用过程,影响突水的因素是多方面的。
Floor water irruption is a complicated process of geology and mechanics. There are various factors which influence the process.
本文综合考虑水源、水压、隔水层、断层等因素对煤层底板突水的影响,建立了煤层底板突水人工神经网络预测模型。
This paper considers comprehensively water source, water pressure, impedance water strata, and fault ectal factors to establish a ANN forecast model for water-inrush from coal floor.
并根据公式对弱酸(碱)滴定突跃范围的影响因素进行探讨。
The influencing factors for the jumping range of weak acid(base) titration were discussed by the formulas.
结论:筛漏斗及钩突的解剖形态是慢性鼻窦炎发病的重要解剖因素。
Conclusions: the anatomic structures of the uncinate process and ethmoid infundibulum have close relation to chronic sinusitis.
通过对实际资料分析,研究了影响煤层底板突水的主要因素。
Through the analysis of practical data, the main factors influenced on the water gushing of seam floor are studied.
方法分析有关文献资料,对产生突释的原因、影响突释的因素以及减少突释的方法进行详细介绍。
METHOD The cause of initial burst, the formulation parameters affecting initial release and approaches to reduce initial burst were all analyzed according to relevant literatures.
目的分析自体髂骨骨松质游离移植修复牙槽突裂的手术方法及影响植骨成功的因素;
Objective To analyse methods which correct alveolar cleft by autogenous cancellous bone graft and the factors which are able to influence the result of alveolar bone grafting with mini incision(ABGM).
建立了酸碱滴定的滴定曲线方程,并讨论了方程中各项的物理意义及影响滴定突跃范围的因素。
Set up a curvilineal equation of acid-base titration, and every pHysics meanings in the equation and factors of the effect its titrate suddenly jump range were discussed.
长期以来,煤层底板突水一直是严重影响我国煤矿资源安全开采的一个主要因素。
For a long time, the safe mining of our country's coal resources has been seriously affected by a primary factor which is water inrush from coal seam floor.
在矿井突水的可能性和危险性评价中,确定矿井突水各个影响因素的权值是一个十分重要的问题。
To determine the weight of each affecting factor of mine water bursting was an important issue in assessment of possibility and hazard of mine water bursting.
结论:硬化牙本质的粘接特性与正常牙本质存在差异。树脂突的数量及交通枝不足是硬化牙本质粘接强度受限的可能因素。
Conclusion: Bonding to sclerotic dentin is different from sound dentin, and may be compromised by the fewer resin tags and communications.
摘要:在煤矿开采过程中,裂隙是水及瓦斯富集、存储、运移的场所,是诱发煤层底板突水和瓦斯突出的重要因素。
Abstract: in the process of coal mining, fissure water and gas enrichment, storage, transport, water-inrush from coal floor and gas outburst is induced.
我们回顾腰椎关节突关节骨性关节炎的解剖学、生物力学、关节突关节疼痛的可能的起源、自然病史和危险因素,并主要回顾与其相关的成像方式。
We reviewed the anatomy, biomechanics, and possible sources of pain of the FJ, natural history, and risk factors of lumbar FJ osteoarthritis and briefly reviewed the relevant imaging methods.
岩溶山区隧道施工过程中,大型充水溶洞是造成隧道突水突泥事故的重要因素。
In the course of tunnel construction in karst mountain area, huge karst cave with water is the important factor for karst water and mud inrush disaster.
结论:筛漏斗及钩突的发育等解剖因素与慢性鼻窦炎发病有密切关系。
Conclusion: the anatomy structure of the uncinate process plays a great role in the initiation and development of chronic sinusitis.
在底板高压岩溶含水层上且靠近较大断裂构造弱面采矿时,隔水层段的残余厚度和断裂的采动活化程度是能否突水的关键因素。
The residual thicknesses of aquifuge and mining reactivations of the fault are the key factors to control the water inrush when mining is near the large-scale fault with karst aquifer under the floor.
研究表明,当小突片和颗粒多种因素共同作用于湍射流时,最后的效果不等于每种因素单独作用效果的简单叠加。
When several factors of particles and tabs influence the turbulent jet simultaneously, the final effect is not simply the addition of al…
研究结果表明,水位、气压、电源切换等因素不会引起体应变仪观测曲线的突跳。
The results show that all the water level, the atmospheric pressure and the switch of the power supply cannot cause the sudden jump of the observed dat...
研究结果表明,水位、气压、电源切换等因素不会引起体应变仪观测曲线的突跳。
The results show that all the water level, the atmospheric pressure and the switch of the power supply cannot cause the sudden jump of the observed dat...
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