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- overall thickness of coal bed 煤层总厚度
- The infection of deep part mining to draining of superficid part water bearing ground,thickness of coal bed and obliquity to mining are analyzed. 分析了覆盖破坏的覆岩岩性及结构对地表移动和覆岩破坏的影响,深部开采对浅部含水层疏干、煤层厚度及倾角对开采条件的影响;
- Besides such objective conditions as the thickness of coal bed, faint awareness of treasuring resources,lack of supervision,and deficiency in management r... 分析原因,除客观条件(如煤层厚度)等因素外,生产单位珍惜资源的意识淡漠,监管缺位和管理制度缺陷都在很大程度上影响了回采率的提高。
- overall thickness of coal seam 煤层总厚度
- It is a new way of the utilization of coal bed gas. 为井下抽放煤层气的利用提出了一条新的途径。
- The case will be aluminum, which is more expensive than plastic but is sturdier and lets us shave a little more off the overall thickness of the device. 外壳将采用铝制材料，所以比塑料的昂贵但更为结实，让我们能够压缩更多一些的厚度。
- Preliminary research on structural law of coal bed beneath nappe in No. 对新集二矿推覆体下煤层构造规律进行了初步研究。
- The Early to Middle Jurassic Shuixigou Group in Turpan-Hami basin is a series of coal measure strata with a thickness of 2000m. 摘要吐哈盆地中下侏罗统水西沟群是一套厚达2000m的河沼-湖沼相煤系地层，其中的煤岩及暗色泥岩是已发现油气藏的主要源岩。
- The beam has a thickness of 3 inches. 这根梁厚3英寸。
- For measuring exactly on gas content of coal bed,required high core recov ery and short time to hoisting and loa ding. 为了准确测定煤层含气量,要求取心作业必须有高的收获率和尽可能短的提钻及出筒装罐时间。
- Through testing, reagent ratios of coagulant and flocculate have been selected for accelerating the settlement of coal dressing wastewater and lowering thickness of overflow. 通过试验,确定了凝聚剂和絮凝剂的最佳药剂配比,以加速煤泥水中微细粒在浓缩机中的沉降,降低溢流浓度。
- The mining of shallow coal bed in Shenfu Mine is seriously threatened by suffosion hazard of coal shaft. 神府矿区浅部煤层开采受到矿井溃砂的严重威胁。
- A single thickness of a split hide. 皮厚一层被剥下的皮的厚度
- Reserves of coal, coal bed methane gas, bauxite, refractory clay, potassic rock and so on rank first in China. 煤、煤层气、铝土矿、耐火粘土、铁矾土、含钾岩石等储量居全国首位；
- We are in the thick of examinations. 我们正处在考试最紧张的时刻。
- The development of Coal bed Methane (CBM) has made greater progresss in recent years. 摘要近年来，煤层气开发取得了较大进展。
- We need to replenish our stocks of coal. 我们需要再次补充煤的储备。
- By the actual simulation of the concrete region, summarizes the investigative method of simulation in the geological evolution history of coal bed gas. 通过对具体地区的实际模拟,总结出了煤层气地质演化史数值模拟研究的方法。
- The hardness and thickness of coal seam play a great role in the vertical distribution of stress in coal and the occurrence of rock bunt under the condition of hard roof and hard floor. 在“两硬”条件下，煤层厚度与硬度的变化对煤体中的应力分布有着很大的影响，从而对煤岩体系统中冲击矿压的发生有着很大的影响。
- Prohibition was laid on the export of coal. 禁止煤炭输出。
- 今日热词
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
