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1)  entry-in packing
巷内充填
1.
Based on the technique of in-situ gob-side entry retaining with entry-in packing in fully-mechanized top-coal caving mining face(GEREPTF),the mechanical model of the surrounding rock for GEREPTF is established according to the key strata theories.
在综放巷内充填原位沿空留巷技术基础上,根据岩层控制的关键层理论,建立综放巷内充填原位沿空留巷围岩结构力学模型,推导出不同地质条件下巷内充填体的支护阻力计算公式,并对围岩与巷内充填体之间的相互作用机制进行深入分析。
2)  filling roadway
充填巷
1.
By expounding the effect on surface movement while the layout of waste filling roadway is centralized and decentralized with analyzing feasible coal-pillar width of substitution extraction;the layout with two waste filling roadway placed in middle of strip extraction coal-pillar is determined and its width and height are 4.
通过阐述矸石充填巷集中与分散布置对地表移动的影响、分析置换开采留设煤柱的合理宽度,最终确定在条采煤柱中央集中布置2条矸石充填巷,充填巷尺寸为4。
2.
Applying theory of mining subsidence and by means of the maximum height of residual space of the compacted filling-waste within the limits of mining subsidence,the layout of waste filling roadway was determined.
该项技术运用开采沉陷理论预计地表允许沉陷范围内充填区域矸石充填压实后残余空间的最大高度,确定矸石充填巷的布置;基于数值模拟方法分析了充填巷两侧煤柱应力分布、消除充填巷开掘时的“多洞效应”问题,优化矸石充填巷掘进顺序;设计了矸石充填工艺。
3.
Substitution extraction is a new mining method,which excavate filling roadways in the coal pillar of strip mining.
本文利用UDEC数值模拟软件,对采用在条带开采留设煤柱内开挖充填置换巷道的开采方法进行了数值模拟,研究得出:在回采率为40%的条带开采基础上,置换开采可将回采率提高10%,且没有破坏煤柱和上覆岩层的稳定性;充填巷的条数要控制在两条以内并且要集中布置在留设煤柱中央;对于多个留设煤柱应采用顺序开采等结论。
3)  roadside packing
巷旁充填
1.
Modeling of support resistance in roadside packing for retaining entry along gob-side;
沿空留巷巷旁充填支护阻力计算模型
2.
Technology of roadside packing in gob-side entry retaining and law of rock pressure
巷旁充填沿空留巷技术及矿压显现规律
3.
Research and application of high water content material for roadside packing to go with gob-side entry retaining technology
高水材料巷旁充填沿空留巷技术研究与应用
4)  filling bodys beside roadways
巷旁充填体
1.
According to the activity characteristic of the roof rock formation and the function of the filling bodys beside roadways in retaing roadways along goaf,the mutual function model between filling bodys beside roadways and roof rock formation is established.
根据沿空留巷顶板岩层活动特点、巷旁充填体的作用,建立巷旁充填体与顶板岩层的相互作用模型,计算了巷旁充填体后期工作阻力。
5)  mining with coal refuse backstowing
充填巷式开采
6)  Intraocular tamponade
眼内填充
补充资料:-戊内酯、3-甲基丁内酯、咖吗-戊内酯
CAS: 108-29-2
分子式: C5H8O2
分子质量: 100.12
沸点: 207-208℃
熔点: -31-208℃

中文名称: 4-戊内酯、γ-戊内酯、3-甲基丁内酯、咖吗-戊内酯

英文名称: dihydro-5-methyl-2(3H)-Furanone、dihydro-5-methyl-2(3h)-furanon、4-hydroxypentanoic acid lactone、4-hydroxyvaleric acid lactone、4-methyl-gamma-butyrolactone、gamma-methyl-gamma-butyrolactone、gamma-valerolakton

性质描述: 无色至微黄色液体。凝固点-31℃,沸点205-206.5℃,83-84℃(1.73kPa),相对密度(25/25℃)1.0578,折光率(nD25)1.4301。能与水、许多有机溶剂、树脂和蜡等混溶。10%水溶液的pH为4.2。

生产方法: 由不饱和羧酸通过闭环反应来合成,例如乙酰乙酸与硫酸共热,或乙酰丙酸在镍、铜等催化剂存在下加氢。

用途: γ-戊内酯有较强的反应能力,可用作树脂溶剂及各种有关化合物的中间体。也用作润滑剂、增塑剂、非离子型表面活性剂的胶凝剂、加铅汽油的内酯类添加剂,用于纤维素酯和合成纤维的染色。γ-戊内酯具有香兰素和椰子香味。我国GB2760-86规定为允许使用的食用香料。主要用以配制桃、椰子、香草等型香精。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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