| 1. | The slide structure of yangzhuang coal mine and its influence to production
杨庄煤矿滑动构造及对生产影响 |
| 2. | Test and analyze of tensile strength of coal in huaibei yangzhuang coal mine
淮北杨庄煤矿煤的抗拉强度试验研究与分析 |
| 3. | The resistance reducing reform and the result analysis for the ventilation system in yangzhuang coal mine
杨庄煤矿通风系统降阻改造及效果分析 |
| 4. | The geochemical characters of the gaoyuzhuang and yangzhuang formations of mesoproterozoic in pingquan county , hebei province
河北平泉中元古代高于庄组和杨庄组地球化学特征 |
| 5. | The thickness of yangzhuang formation is small compared with the whole proterozoic section , but it has multiple types of rocks with special origins
杨庄组在整个中、新元古界剖面中厚度不大，但其岩石类型多样且成因特殊。 |
| 6. | The mentioned volcanic activity in yangzhuang formation is expected to propel the study of the proterozoic chronology and tectono - sedimentary evolution of north china
杨庄期火山活动可能提供华北地区中元古代年代地层学和构造沈积演化研究的新证据。 |
| 7. | The meso - and neoproterozoic section of jixian in tianjin , china is highly worthy of integrated re - search , in which the yangzhuang formation takes the role of linking the old and new strata
摘要天津蓟县中、新元古界剖面具有极高的综合研究价值，而杨庄组在该剖面中居于承上启下的位置。 |
| 8. | The petrology revelas that the sedimentary environment of the study area is carbonate tide - flat and shallow sea which is also strongly affected by the volcanic materials and wind - brought clastics during the period of yangzhuang
上述岩石特徵表明，研究区在中元古代蓟县纪早期的杨庄期为浅海潮坪碳酸盐沈积环境，沈积作用受中远源火山物质和风携碎屑的强烈影响。 |
| 9. | Based on the analysis of hydrogeological conditions in the study area , calculation and chose of the hydrogeological parameters was performed by ga , and three methods were used to evaluate groundwater resources of yangzhuang karst water system in this paper . calculation and analysis of water resources carrying capacity of yangzhuang basin were set up . as well as suggestions of protection about yangzhuang karst water system was provided clearly
在分析研究羊庄盆地水文地质条件的基础上，应用遗传算法( ga )进行水文地质参数优选，并利用三种方法计算评价了羊庄岩溶水系统的可采资源量，计算分析了羊庄盆地的水资源承载能力，并提出了增源增采及分级保护的措施。 |
