| 1. | Modes of occurrence on hazardous trace elements in coal
煤中有害微量元素的赋存状态 |
| 2. | The modes of occurrence of arsenic in coal
煤中砷的赋存状态 |
| 3. | Groundwater mode of occurrence and exploitation in south areas of anhui province
安徽淮河以南地下水资源及其开发利用 |
| 4. | The ore body totally shows the characteristics of fan - shaped , which mode of occurrence is 18 - 25 32 - 70
矿体多呈脉状、囊状、似板状、不规则状，总体呈扇形分布，产状18 ? 45 32 ? 70 。 |
| 5. | The green - rock has following features : ? he stratiform green - rock ' s mode of occurrence is conformable with that of the strata , and there are typical syngenetic sedimentary structure in the rock ; ( 2 ) the stratiform green - rock is constituted mainly by bistagite without zonal distribution around magmatic rocks
作者首次提出赋矿的绿色岩建造概念。其中层状绿色岩是佛子冲矿田层状、似层状矿体的直接赋矿围岩，这种层状绿色岩一直被视为矽卡岩。 |
| 6. | According to the law of mass action , the law of mass conservation and the principles of chemical thermodynamics , mathematics model about components " modes of occurrence ( that is simple ions , complex anions and complex compounds ) and their concentration in dam foundation solution has been set up with balance constant method
本文根据质量作用定律、质量守恒定律和化学热力学的基本原理，应用平衡常数法建立了地下水水质组份存在形式（即单一离子、络阴离子和络合物）及其浓度分布的数学模型。 |
| 7. | According to the electron probe analyses and other data , some conclusions have been reached as follows : the modes of occurrence of associated silver include minerals of stephanite , bromargyrite , ag - sb - tetrahedrite , electrum etc . , which occur as small grains among or between fe - mn minerals
利用电子探针等测试方法对锰矿石中伴生银的赋存状态进行研究，初步查明银主要是以脆银矿、溴角银矿、银锑黝铜矿、银金矿等矿物形式存在，呈微小颗粒状被包裹于铁锰矿物内或矿物间隙里。 |
| 8. | Based on regional geochemical characteristics of nanchang - zhangshu area and the state soil environment quality standard ( gb / t18407 . 1 - 2001 ) , the authors made an evaluation of the soil mercury environment quality of this area , revealed mercury pollution situation of surface soil , analyzed the causes of the pollution , and investigated the mode of occurrence and distribution characteristics of soil mercury in important pollution places
摘要在阐述南昌樟树地区汞区域地球化学特征的基础上，引用国家土壤环境质量标准( gb / t18407 . 1 - 2001 ) ，对区内土壤汞环境质量进行了评价，揭示了表层土壤汞污染现状，分析了污染形成的原因，探讨了重污染区域土壤汞的存在形态与分布特征。 |
