1.
Gas Protection of Main Transformer Malfunction Analysis and Preventive Measures
主变压器瓦斯保护误动分析及防范措施
2.
Study on Technology of Surface Drillings Draining Pressure Relief Gas of Coal Seam by Protected;
地面钻孔抽采被保护层卸压瓦斯技术研究
3.
A research on mine gas inflow regularity during gas extraction in contiguous protective coal seams and gas control
近距离保护层开采瓦斯涌出规律及治理研究
4.
Gas Drainage Technology with Borehole Through Protected Seam for Up Protective Seam Mining
开采上保护层被保护煤层穿层钻孔抽采瓦斯技术
5.
Research on Overlying Rock-Coal Failure and Deformation Caused by Mining Protecting Strata, and Relieved Methane Drainage;
下保护层开采上覆煤岩变形与卸压瓦斯抽采研究
6.
Research on Rock Structure Evolution Caused by Mining of Protecting Strata and Relieved Methane Drainage;
下保护层开采覆岩结构演化及卸压瓦斯抽放技术研究
7.
A Simple Discuss on the Relationship Between the Development of Folk-custom Tourism and the Protection on Regional Culture--A Case study of Tuwa;
喀纳斯湖景区图瓦民俗旅游开发与地方文化保护问题的探讨
8.
Practice of Mining Protective Seam in Thick Coal Seam Group and Methane Pre-extracted to Prevent Methane and Coal Outburst
特厚煤层群保护层开采与瓦斯预抽采防突技术的实践
9.
An analysis of source of mine gas in faces in extracontiguous protective seams and a study on optimization of Y-Γ ventilation system
超近距离保护层工作面瓦斯来源分析及Y+Γ型通风系统优化研究
10.
Tunneling short distance protector prevention coal and gas prominent engineering research
近距离保护层采场巷道掘进的防治煤与瓦斯突出技术研究
11.
Sociedad de Amigos en Devensa de la Gran Sabana
保护大萨瓦那之友会
12.
Chiricahua National Monument
奇里卡瓦国家保护区
13.
Peninsula Valdes in Patagonia is a site of global significance for the conservation of marine mammals.
位于巴塔哥尼亚地区的瓦尔德斯半岛是全球海洋哺乳动物资源的重点保护区。
14.
Pressure Relief Functional Principle of Stope Underlying Coal-Rock Mass and Application in Gas Extraction of Protected Coal Seam;
采场下伏煤岩体卸压作用原理及在被保护层卸压瓦斯抽采中的应用
15.
Deformation and Permeability Distribution Rule of Overlying Outburst Seam in Exploiting Extra-Thin Protective Seam by Drilling Method and Its Application in Pressure Relief Gas Drainage
极薄保护层钻采上覆突出煤层变形与透气性分布规律及在卸压瓦斯抽采中的应用
16.
Office of Legal Protection of the Archdiocese of San Salvador
圣萨尔瓦多大主教管区法律保护处（法律保护处）
17.
Application of Differential Protection in Generating Units Protection of Laxiwa Hydropower Plant
差动保护在拉西瓦电站发电组保护中的应用
18.
Observation and Nursing on One Case of Patient Which Applied Avastin Chemotherapy;
1例应用阿瓦斯丁化疗的观察与护理