另外，从冻土带和非冻土带及其蓄水砂石层中的地下水样品的分析情况来看，微量元素的含量也超出了其它地区的含量。
Additionally, samples from glacial and non-glacial sand and gravel aquifers consistently had more occurrences of trace elements in groundwater than samples from other aquifers.
简述了砂石路面扫浆养护法并分析影响扫浆保护层使用周期的诸项因素及注意事项。
Analysis is made on the influencing factors to the duration for usage of slurry protection tier on sandstone and given the countermeasures.
业内人士分析预测，加拿大油砂石油的产量在不久将会有更显著的提高，并可以补偿上其常规原油递减的产量。
Analysts predict that oil sands production and Coal bed methane development will increase significantly in coming years and offset the decline in Canada's conventional crude oil and gas production.
本文通过对广东和海南海岸沙丘砂石英颗粒的扫描电镜分析，认为其表面结构特征，既具有典型的风成环境特征。
Quartz grain surface textures in coastal dune sand which is mainly derived from beach sand have features characteristic of both typical aeolian environment and inheritable and reformable beach sand.
本文介绍了北京砂石坑回填现状，分析了回填物的污染组分特征。
The present situation of the sandpit backfill in Beijing has been introduced, and the pollution characteristics of the backfill material have been analyzed in this paper.
砂石料场方案选择中存在着许多难以精确度量的模糊性因素，常规的平衡法、系统分析法很难对此进行有效的处理。
A lot of fuzzy factors exist and are usually difficult to measure in an accuracy way when we select an ideal quarry scheme by using a usual method such as balance method and system analysis method.
砂石料场方案选择中存在着许多难以精确度量的模糊性因素，常规的平衡法、系统分析法很难对此进行有效的处理。
A lot of fuzzy factors exist and are usually difficult to measure in an accuracy way when we select an ideal quarry scheme by using a usual method such as balance method and system analysis method.
应用推荐