您要查找的是不是:
- Application of ultrasonic flowmeter of water drainage ditch to underground mine water drainage system 超声波明渠流量计在井下排水监测系统中的应用
- Application of water drainage combined with mine roadway and boreholes to open pit mine water drainage 巷道与降水孔联合疏干在露天矿疏干排水中的应用
- GPS position and full position meter applied to borehole for mine water drainage GPS定位、全站仪在解决矿井排水钻孔中的应用
- mine water drainage 煤矿排水
- For a long time, the drainage pit mine water of HaiZhou open pit can"t be used fully, and large water only be drained as waste water which squanders water greatly. 长期以来海州露天煤矿排水坑矿井水未能被充分利用,大量的矿井水被作为废水排放掉,这极大的浪费了宝贵的水资源。
- Based on analysis of the regularity of mine water,the concepts and methods of the stochastic serve theory being applied,the queueing and reliability models of mine drainage system are developed. 本文在认真分析矿井涌水规律的基础上,应用随机服务理论的观点和方法,建立了矿井排水的排队论模型和系统可靠性模型。
- Property: Big strength; good tenacity; erosion resistant; water drainage and light weight. 产品特性:强度高;性好;耐侵蚀;排水;质轻。
- And the process of waste water drainage and the technical condition are proposed on the experiment. 并在试验的基础上,提出了处理公司外排废水工艺流程和技术条件。
- Design storm hyetograph is the essential element for hydrologic modeling analysis and storm water drainage design. 摘要设计暴雨雨型对水文模式分析与暴雨排水设计是不可或缺的基本要素。
- The significance, task and three means of water drainage on cloverleaf-junction drainage are introduced. 介绍了立交排水的重要性、任务及立交排水三种方式,阐述了立交排水量的计算和设计原则。
- Soil water drainage and excessive grazing in pastureland of m ire and peat soils are accountable for the deterioration and quality decline of mire and peat soils. 人类疏干沼泽、过度放牧等活动是沼泽土和泥炭土退化、质量下降的主要原因。
- Therefore, control Strategies of Mine Water Bursting Geological Hazard of Pongxi Marble Mine are discussed. 在此基础上,探讨了鹏茜大理石矿矿坑突水地质灾害的防治对策。
- The structure and category of green belt and flowerbed design are presented. Also the design and calculation of their water drainage system are added. 介绍绿地、花坛的构造、排水系统的类型以及排水系统的设计计算方法。
- The mine water disaster prevention and control in Dashui Mine should be to clarify the mine refilled water condition. 大水矿井治理水害必须从查清矿井充水条件入手。
- Non-absorbent or water drainage at the end of the causes for the stuck valve, part of the blockage of water, high water or water leakage is too high. 水泵不吸水或不排水其原因多为底阀门卡死,滤水部分淤塞,吸水高度太高或吸水漏气。
- Carry on dangerous appraisal of mine water leakage accident while regarding tunneling face as an example. 以掘进工作面为例,进行矿井透水事故危险性评价。
- The horsehead load of water drainage and gas production equipment about beam pump is one of the important parameters which mark its work ability. 摘要有杆泵排采设备悬点载荷是标志其工作能力的重要参数之一。
- Static horsehead load is the important basis of selecting and using correctly the water drainage and gas production equipments. 悬点静载荷是选择和正确使用排采设备的重要依据。
- The acid resistance and oxidizing power of the bacteria can provide a biochemical way for the treatment of acid mine water. 同时,细菌的耐酸性和氧化功能,为酸性矿坑水的处理提供微生物化学途径。
- It’s official name should be called The River.Miyun Reservoir to the water to do the introduction of City’s drinking water drainage manual. 它正式的名字应该叫京密引水渠.;是为了把密云水库的水引进城区做饮用水的人工渠