微量化学元素 meaning in Chinese
typochemical element
Examples
- Talking about trace chemical element and physiological function in body
试论人体中的微量化学元素及其生理功能 - In this study , effects of salinity , ph and spm on the solid - liquid phase partitioning for some trace elements ( cu , zn , cd , co , ni ) were examined with the samples from changjing estuary
本论文即针对取自长江口的样品，系统性地研究了盐度、 ph和悬浮泥沙浓度等重要环境因素对一些微量化学元素(包括cu 、 zn 、 cd 、 co 、 ni )固-液相态变化的影响。 - It can be observed that the sediments of the holocene loess is continuous and thus it reflects the environmental change and human activities since the holocene . meanwhile , laoguantai profile is a perfect one because it lies in the periphery of the laoguantai cultural relics . on the basis of outdoor observation and indoor experimental analysis , the author selects proxy substitute indexes , such as grain - size , magnetic susceptibility , microelements , cacos and ph value , etc . moreover , the thesis also calculates and investigates the remains of human activities kept in the profile
为了尽可能准确地获取该地区全新世以来的环境演变和人地关系演进的真实环境背景，本次研究在野外详细观测和大量室内实验分析的基础上，审慎地选取了多项用于再现古气候环境的代用指标进行了分析，这些指标包括粒度、磁化率、微量化学元素(包括fe 、 rb 、 co 、 li 、 cr ； sr 、 ba 、 cd 、 sb ； bi 、 mn ； cu 、 zn 、 pb 、 ni ) 、碳酸钙和土壤ph值等。