discussion on cross-cut distance of production section in shizuishan coal mine

1、

author introduces hydraulic reaming and its application test in the prevention and control of mine gas. it is believed that the technique has widespread application prospects for draining out methane from gaseous coal seam and coal seam exposing in cross cut headings.

介绍了水力扩孔技术及其在瓦斯防治方面的应用试验情况，认为该技术对煤层抽排瓦斯和石门揭煤都有着广泛的应用前景。

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2、

in this paper, the static stress field and dynamic stress field in gas bearing coalseam under the condition of disclosing coal seam in a cross cut are derived with mathematic analysis.

本文用数学解析方法解出了石门揭煤条件下工作面前方含瓦斯煤体内的稳态应力场和动态应力场。

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3、

kaladze-7: made an important header late in the match to cut out zenoni's cross and otherwise had very little to deal with.

卡拉泽-7分：在比赛临近结束时又一次非常重要的头球解围。

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4、

the tower wall on the hollow cavity is provided with a material inlet;

该空腔处的塔壁上设有物料进口；

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5、

modification on the material inlet and outlet valves of compressed air ash transmission system and its optimization

气力输灰系统进出料阀的改进与优化

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6、

a material outlet of the riser reactor is connected with a material inlet on the top of the descending reactor;

提升管反应器物料出口与该下行式反应器的顶部物料入口相连接；

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7、

at least one raw material inlet is arranged on the cavity wall of the lower end of the cylindrical cavity;

所述圆柱腔的下端的腔壁上至少设有一个原料入口；

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8、

it can avoid a second wet of granulated plastics after drying when directly linking the material inlet of the molding machine .

可直接联主机进料口，避免烘干后的塑料粒子两次吸潮。

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9、

after sealing the filter material outlet, the new filter material shall be added from the filter material inlet of the upper end.

封闭好滤料出口后，从上端的滤料入口加入新滤料。

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10、

official journal of the european union

欧盟官方期刊

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11、

official journal of the european communities

欧共体的官方日报

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12、

(a) china shall publish on a regular basis the following in the official journal referred to in paragraph 2(c)2 of this protocol :

（a）中国应定期在本议定书第2条（C）节第2款所指的官方刊物中公布下列内容：

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13、

the data also will be published in the april edition of surgical endoscopy, the official journal of sages.

数据同时发表在4月版的SAGES官方杂志外科内镜学上。

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14、

aids-official journal of the international aids society.

国际艾滋病协会官方期刊的网站，资源丰富。

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15、

china shall publish in the official journal the list of goods and services subject to state pricing and changes thereto.

中国应在官方刊物上公布实行国家定价的货物和服务的清单及其变更情况。

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16、

this directive shall enter into force on the 20th day following that of its publication in the official journal of the european communities.

该规定应在其在欧洲委员会的正式刊物上出版之后的第20天开始生效。

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17、

A Novel Active Ester DAMA

新型活性酯DAMA

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18、

Isolation and Culture of Fibroblast from Ear Skin Tissue of Adult Dama

成年（黄占）鹿耳皮肤成纤维细胞的分离与培养

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19、

China's public dancers-often referred to as tiaowu dama, or 'dancing grannies,' because they tend to skew older and female-have found themselves at the center of a passionate public debate in recent months.

中国的广场舞舞者（常被称作“跳舞大妈”，因通常是年龄较大的女性）近月来成为了公众热议的焦点。

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20、

The trigger system distinguished and chosen for DAMA experiment is introduced. It is inclusive of the constitution, the function, the solved problems and the character with data acquisition, and so on.

概述了DAMA实验的触发判选系统之构成、功能、所解决的问题，以及与整个数据获取系统联合使用时所达到的指标。

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