Reported in this paper are the results of geologlcal and tluld inclusion studles of gem-gradetourmaline in pegmatite ve......

Based on a quantitative analysis of foraminifera in 39 surface samples of the Bering andChukchi Seas, the nearly absence......

The studies on the mechanisms and performances of the mechanical seals in reactor coolant pumps are very important for t......

This paper examines the need for a return to a systemic,holistic,and normative approach to designing human settlements t......

Following a study on the Quaternary foraminifera in 1979, the authors report here a calcareous nannofossil assemblage f......

Spatial distribution, abundance and assemblage of termites depend mainly on the local conditions and habitats in which t......

Surveys were conducted in five voyages in Haizhou Bay and its adjacent coastal area from March to December 2011 during f......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......

山西阳泉矿区晚石炭世晚期至早二叠世早期太原组相当发育，其中早二叠世早期腕足动物化石非常丰富，共计４８属１２５种，分属于３１科。通过对腕足动物......

以MgCl2.6H2O、AlCl3.6H2O、Na2CO3为原料,采用乙二醇-水热法组装了超分子结构镁铝水滑石,考察了乙二醇-水热法对水滑石晶形、结构......