您要查找的是不是:
- Cracks caused by coal mining 采动裂隙
- The subsidence area caused by coal mining is an important point, which should be settled by the land recultivation. 摘要在采煤矿区,由于采煤造成塌陷的土地是土地复垦需要解决的重点问题。
- Fault impact pressure is a dynamical phenomenon caused by coal mining, with fault abruptly dip offset, and stretch strain energy rapidly release. 断层冲击矿压是由于开采活动引起的断层突然相对错动、弹性应变能迅速释放的动力现象。
- This paper attempts to make a research on the health problem caused by coal mining, and analyses the manifestation and causes of the environment-health vulnerability after defining it. 笔者对由采煤引起的人体健康问题进行了尝试性的研究,提出了环境-健康脆弱性的定义,分析了其表现及成因。
- The landscape was destroyed by coal mining. 自然景观由于挖煤而受到了破坏。
- The ground collapse and cracks caused by underground mining severely threaten the safe in production and destroy the surface environment. 地下采矿引起的地表塌陷和裂缝,严重威胁矿山生产安全,破坏地表生态环境。
- The existence of adiabatic shear band and the crack caused by the band are important features in dynamic torsion moment tests. 绝热剪切带的出现和由它引起的裂纹是动态扭矩试验时的重要特征。
- Analysis on deterioration of ecologic environment in mine area caused by coal mining activity and its prevention counter measures 煤炭开采对煤矿区生态环境损害分析与防治对策
- We should take strict precautions against gas poisoning caused by coal stove leaks. 一定要严防由于煤炉泄露造成的煤气中毒。
- The huge fortunes earned by coal mine owners in recent years have encouraged many to disregard safety, resulting in thousands of deaths every year from accidents. 近年来,煤矿主赚取了巨额财富,导致他们许多人漠视生产安全,每年致使数千人死于煤矿事故。
- The lengthwise cracks caused by frost heave,and settlem ent, bulge, rut caused by spring thaw are the main forms of frost damage of roa ds in seasonally frozen soil region. 冻胀形成的纵向裂缝和道路翻浆导致的沉陷鼓包及车辙变形是季节冻土区高速公路路基冻害的主要形式。
- The superelevation member rolls (holds rope pulley) to apply in domains and so on mine, by coal mine primarily. This product has obtained the national monopoly. 超高分子地滚(托绳轮)应用于矿山等领域;以煤矿为主.;本产品已获国家专利
- The paper analyzed the cracks caused by temperature change,and proposed the way to improving crack resistance of bituminous pavement. 分析了沥青路面因温度变化而产生的裂缝,并运用能量判据对结构层间应力进行计算,指出了如何提高沥青路面抗裂性能的途径。
- The alleviation and prevention of the natural disaster caused by outbursts in coal mines are of great significance. 对减轻和防止煤矿瓦斯突出自然灾害具有重要意义。
- Whereas the character of roof's movement and falling caused by coal seam is shallow in Shen-dong mine district, the workface advance rate must be picked up dur... 鉴于神东矿区煤层埋藏浅而引起的顶板移动、跨落特点,在回采过程中加快工作面推进速度,能够比较有效的控制顶板岩层。
- The paper analyzes the cross wall crackings caused by the failure of the roof insulating materials. 为此,就屋面保温材料失效造成横墙开裂进行了分析。
- Roughness of the skin can be caused by bad diet. 饮食不好可能引起皮肤粗糙。
- The result showed that the direct reason of reboiler invalidation was the intercrystalline stress corrosion and crack caused by micro-chloride in the medium. 结果表明,介质中所含的微量氯离子引起的晶间型应力腐蚀开裂导致再沸器失效。
- All equipment,facilities,explosives and safety instruments used by coal mining enterprises must meet the national or trade standards. 煤矿企业使用的设备、器材、火工产品和安全仪器,必须符合国家标准或者行业标准。
- The flooding accident caused by goaf water has always been a risky factor affecting the production safety of coal mines. 摘要矿井老空水水害一直是困扰煤矿安全生产的不利因素,必须加强其防治措施方面的研究。