| 1. | Study on the ground water hazards in wangcun coal mine and its prevention 王村井田水害及防治研究 |
| 2. | Study and prevention for middlings group water hazard in haizhi coal mine 海孜煤矿中煤组水害的研究与防治 |
| 3. | Hydrogeological condition and prevention - cure of mine water hazards in enkou coal area 恩口煤矿区水文地质条件和矿井水害防治 |
| 4. | Lateral water hazard 侧面水障碍 |
| 5. | Lateral water hazard 侧面水障碍 |
| 6. | Recommended practice for the protection of electric equipment in nuclear power generating stations from water hazards 核电站电气设备防水害设施推荐规范 |
| 7. | Analysis and control of water hazard impacting no . 3 coal seam mining in tenth mining field of baodian coal mine 鲍店煤矿十采区3煤开采的水害分析预测及防治 |
| 8. | The grouting reconstruction technique of lower confining bed can be used to control the water hazard from coal floor 摘要煤层底板含水层注浆改造技术可以彻底根治底板水害。 |
| 9. | A long par4 . the players should aim to the middle of the 2 bunkers on the fairway , of which there are water hazards twinkling and sparking on the both side 较长的4杆洞,开球时要对着两个沙坑中间打,只要方向稍有偏失,很容易就会落水,上果岭的一杆只要向着旗杆打就行。 |
| 10. | For this reason , our objective is the research of the mechanism of runoff generation and characteristics of moisture changing process of slope farming purple soil , accordding to the theory of hydrology and the intergrated - means of compined the hydrology with the peodology , because it is the basis of the studies : soil erosion and protection , farming - land water balance , non - point pollute , etc . , and the direction gist of runoff arrange implement , solving water hazard and management of irrigation and fertilizer 综观国内外有关研究,我们认识到对紫色土土壤产流和水分变化特征的认识,是认识该区土壤侵蚀与保护、农田水量平衡、非点源污染等的机理和规律的基础,也是解决该区水患问题、实施径流调节而提高旱地的雨水利用程度,以及水肥管理等的基本科学依据。因此,以水文学原理为基础,采取水文学与土壤学、地理学、水土保持学等相结合的途径,研究紫色土坡耕地的降雨产流机制与产流后土壤水分的变化特征,是具有新的科学价值和现实意义的。 |