| 1. | Comprehensive geochemical surveys are analysed . 广义的地球化学普查需要分析。 |
| 2. | The potential of such a primary geochemical survey is demonstrated . 这类区域性的地球化学测量显示出它的有效性。 |
| 3. | Multi - purpose regional geochemical survey and ecogeochemistry : new direction of 第四纪研究与应用的新方向 |
| 4. | A new geochemical survey may expose the extent of china ' s soil contamination problem 新一轮的全国性的土壤污染状况调查暴露出污染的程度。 |
| 5. | Characteristics of newly - added analytical elements in multitarget geochemical survey of chengdu city 成都市多目标地球化学调查新增分析元素的特征 |
| 6. | The application of 3 % nitric acid and 3 % aqua regia yielded good results in nanoscale material geochemical survey in known concealed ore districts 在已知隐伏矿区,选用3 %硝酸、 3 %王水为捕集剂的纳米物质测量试验获得良好效果。 |
| 7. | Based on a study of the quality problem that exists in sample analysis for 27 projects of regional geochemical survey , the author holds that the unsatisfactory analytical quality is mainly attributed to loose understanding and implementation of the quality control and quality monitoring stipulated in dz / t0167 - 95 standard 摘要通过对27个区域地球化学调查项目中出现的样品测试质量问题的研究,认为质量不高的主要原因是对dz / t0167 - 95规范中规定的有关质量管理、质量监控的错误理解和执行不严所致。 |
| 8. | Based on regional geochemical surveying results of shalanzhan sheet , the authors deal with in this paper the application of regional geochemical data to basic geological survey in the light of element associations , surface enrichment coefficients of elements , element content ranges and petrogeochemical data 根据沙兰站幅区域化探扫面成果,从元素组、元素的表生富集系数、元素的含量区间、岩石地球化学资料等方面,对区域化探资料在基础地质调查中的应用进行了探讨。 |
| 9. | Abstract : based on surface geochemical survey and integrated researches on coal bed gas in dacheng area , the authors have outlined the coal bed gas field , established the model for geochemical anomaly of coal bed gas and revealed the affecting factors . in addition , a new field for the application of surface geochemical exploration is also pointed out 文摘:通过大城地区煤层气地面化探工程和综合研究,确定煤层气田的分布范围,建立煤层气化探异常模式,了解其影响因素,为地表化探的应用指出新领域。 |
| 10. | Abstract : in surface oil and gas geochemical exploration , the physiographic environments of the geochemical surveying points , especially the variation of the soil media , will exert obviously different interferences on different technical indices . a comparison of anti - interference capacities between such techniques as adsorbed filaments , acid - dissociated hydrocarbon and phase state hydrocarbon reveals that the adsorbed filament index has evident anti - interference capacity 文摘:地表油气化探中,测点所处的自然地理环境,特别是样品介质条件的变化,对不同方法指标所产生的干扰作用有明显的差异,通过对吸附丝、酸解烃和相态烃方法的抗干扰性比较,发现吸附丝指标具有明显的抗干扰能力。 |