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1)  soap solubility ratio
SR值
2)  Rb/Sr ratio
Rb/Sr值
1.
According to different geochemical behavior between rubidium and strontium during chemical weathering, variations of Rb/Sr ratios in the lake sediment sequence can be used as a good indicator of chemical weathering in watershed.
利用湖泊沉积物中Rb/Sr值来反映受古气候制约的流域陆地化学风化率的变化,并恢复了岱海近400a以来以小冰期为特征的、具有100a准周期(经谱分析)的气候波动历史。
3)  Rb/Sr ratio
Rb/Sr比值
1.
Rb and Sr contents and Rb/Sr ratios of bulk samples and three subpopulation of different size (< 2 μm, 2 to 45 μm and >5 μm, respectively) are analyzed for both loess and paleosol layers of the Laohushan profile, Nanjing, China.
对南京老虎山黄土-古土壤剖面全样和三个粒级组分(<2μm、2~45μm和>45μm)的Rb/Sr比值进行了系统研究。
4)  Sr/Ca ratio
Sr/Ca比值
1.
The paleo-water salinity in the past 800 years was reconstructed quantitatively by Sr/Ca ratios of ostracodes ( Limnocythere cf.
inopinata)壳体与湖水Sr/Ca比值的测定确定了Sr/Ca的分配系数 ;然后测试现代岱海湖水盐度与湖水Sr/Ca比值 ,建立湖水盐度与湖水Sr/Ca比值的函数关系 ;最后利用湖泊沉积剖面中介形类壳体的Sr/Ca比值定量恢复了岱海湖水近 80 0a来的盐度。
5)  Ba/Sr and Rb/Sr ratio
Ba/Sr和Rb/Sr比值
1.
Experimental results show that Ca, Ba, Rb, and Sr element concentrations and Ba/Sr and Rb/Sr ratios have obvious differentiation in palaeosol and loess layers, and an obvious differentiation of geochemical properties of the XJN, XMC,.
通过对地层中Ca,Ba,Rb和Sr元素分布的研究,发现Ba/Sr和Rb/Sr比值在不同地层中含量差异十分明显,并与成土作用强度显著正相关,可作为良好的气候替代指标;表生环境中Rb和Ba较稳定,Sr和Ca元素十分活跃,易于迁移,其中Ca的迁移能力高于Sr元素;从XJN→XMC→JYC剖面,Rb和Ba元素含量增加,而Sr和Ca元素含量降低,这与区域环境差异有关;全新世中期暖湿的亚热带气候主要出现关中盆地地区,六盘山以西则是暖温带气候。
6)  Strontium [英]['strɔntiəm]  [美]['strɑnʃɪəm]
Sr
1.
Effect of Strontium on Microstructure and Properties of AZ91 Magnesium Alloy Containing Iron
Sr对含铁镁合金组织与性能的影响
2.
Using SrCO_3,BaCO_3,Al_2O_3and TiO_2 as row materials,the single phase solid solution of hollan-dite of solid-soluted strontium was synthesized by the designed formulas and high temperature solid phase reaction.
以SrCO3、BaCO3、Al2O3和TiO2为原料,通过配方设计,采用高温固相反应,合成了单相固溶Sr的碱硬锰矿固溶体。
3.
The present study examines 4 geochemical trace elements(Boron,Gallium,Strontium,Barium) in a 360m long Quaternary Borehole(Pd) recovered from the Changjiang River mouth.
文章通过对上海浦东机场孔(Pd)第四纪地层中地球化学微量元素B,Ga,Sr和Ba的观测,结合该钻孔粒度、古地磁和微体古生物等分析资料,综合剖析了这些微量元素及其比值在不同沉积相中的分布特征及其古环境演变的意义。
补充资料:SR值
分子式:
CAS号:

性质:又称溶度比,S. R.值。由油脂的I.N.S.值计算得出。溶解度比表示肥皂的溶解性和起泡性。对于洗涤皂混合油脂的S.R.值以1.3~1.5最适合。

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