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- A few methods to control ground pressure of waste-lifting stope 削壁充填采场控制地压的几种方法
- controlling ground pressure 地压控制
- The regularity of the activity of ground pressure in mine stope andthe results of controlling in the process of mining are summed up and analyzed. 对回采过程中,采场地压活动显现规律与控制效果进行了总结与分析。
- Control ground heighten to the half of housetop height, form unique structure. 将地面增高至屋顶高度的一半左右,形成独特的结构。
- Ground behaviour occured in mining of Maluping ore block by new room-pillar with bolting in Kaiyang Phosphate Mine are analyzed and control measures of ground pressure are put forward. 对开阳磷矿马路坪矿段延伸开采工程中采用新型锚杆护顶房柱法出现的地压显现问题进行了详细的分析,并提出了地压控制措施。
- The harm of percussive ground pressure,produced reason,conditions and protective measures are introduced. 介绍了冲击地压的危害程度,发生的原因、条件及采取的防治措施。
- This paper introduces the design of OFP based on 1553B bus distributedfire control ground integral simulation system. 介绍一个基于1553B总线的分布式火控系统地面综合仿真系统中飞行作战软件(OFP)设计。
- Abstract: The harm of percussive ground pressure,produced reason,conditions and protective measures are introduced. 文摘:介绍了冲击地压的危害程度,发生的原因、条件及采取的防治措施。
- Ground pressure disaster occupies a predominent proportion in mine casualty accidents. 地压灾害在矿山伤亡事故中占绝对比重。
- Subsurface pipe drainage in drought-prone region is superior to surface drainage in draining off water and salt, controlling ground water-level, and increasing crop output, etc. 以明沟排水为对照,论述了内陆干旱重盐碱区暗管排水在排水排盐、控制地下水位、提高土壤脱盐效果及提高作物产量等方面的优越性。
- The idea of key stratum pressure is put forward, and the ground pressure is mainly influenced by the breakage of key . 提出主关键层来压的新概念,指出回采工作面矿压显现程度主要受主关键层破断的影响。
- Methods 33 cases (50 eyes) of MIOL implantation were enrolled at investigational sites. 28 cases (43 eyes) of SIOL implantation were enrolled in a control ground. 方法MIOL组33例50眼,SIOL组28例43眼,随访时间均为术后7月以上;
- Moreover, in the weighting process of the main roof, the characteristics of ground pressure manifestation are all of "camelback" form. 在来压过程中,回采工作面的矿压显现特征量均呈“驼峰”型。
- The stability of skarn in the soleplate of ore body is bad and the mining ground pressure is serious in Xishimen iron ore mine. 鲁中小官庄铁矿由于埋藏深、地压大、矿体倾角比较缓、矿岩破碎,是国内有名的难采矿山之一。
- It has been s uggested to choose logical project design, construction scheme, and support meas ure to reduce ground pressure damage. 并建议选择合理的工程设计、施工方案、支护措施,以减少地压破坏。
- Through researching on the charaters of soft rock and ground pressure,provides more ideal support methods so sa to achieve better economic benefit. 通过对元宝山矿区软岩特征和软岩巷道地压显现的研究,提出了更为理想的支护方式,以达到良好的经济效益。
- Methods 43 patients who used NVB were randomly divided into two groups: the control ground (n=19),using 50% magnesium sulfate injection as wet packing,and the experimental group,using a self-prepared external compound solution plus ice compress. 方法 将 4 3例使用诺维本的患者随机分为对照组和观察组 ,对照组 19例 ,用 5 0%25硫酸镁溶液湿敷 ; 观察组 2 4例 ,用自制药液加冰块交替外敷 ,观察两组疗效。
- TYS120 LLGP bulldozer is rigid suspended, power shift, hydraulically controlled and track-type. It is applicable for the extra requirement of the ground pressure. TYS120超湿地推土机系刚性悬挂、械和动力换档变速传动、压操纵的结构型式,是一种能满足使用工况对接地比压有特殊要求的湿地型履带推土机。。
- The safety of residents'life and belongingsalong with the under ground pressure pipeline of liquefied petroleum gas is tightly linked with that of the pipeline. 城市液化气埋地压力管道的安全与千家万户居民的人身和财产息息相关。