老挝万象平原含钾地层的岩相古地理滇池700 年来气候变化与人类活动的 ....pdf

2008 1 1 2 2 1 653100 2 650216 E1tg1 1 6 53 E1tg1 1 700 1 2 1 2 1 1 650093 2 650091 18O 13C CaCO 3 210Pb 700 200 DG03 1 2 3 2 4 2 2 2 5 6 1 810008 2 810008 3 100049 4 650093 5 810001 6 810001 DG03 Ti V Cr Mn Ni Zn C N m C m N m Sr m Ba DG03 11 52ka BP 11 52ka BP 4 70ka BP 5 1 2 1 833400 2 831100 Na SO42 Cl H2O Na K Mg2 NO3 Cl SO42 H2O 25 K Mg2 NO3 Cl H2O Pitzer 1 2 1 810008 2 830008 Pitzer Na K Cl NO3 H2O K Mg2 NO3 SO42 H2O Pitzer 830008 732 99 LiCoO2 1 2 1 1 2 1 2 1 1 810008 2 100049 EDTA LiCoO2 Li1 05Co0 8Ni0 2O1 95F0 05 XRD SEM 3 9V Ni F Ca0 3Sr0 7TiO3 1 2 1 1 2 1 1 2 1 2 1 810008 2 100049 Ca0 3Sr0 7TiO3 pH XRD 1420 50kHz 10MHz 140 150 1MHz 0 0243 Ca0 3Sr0 7TiO3 Synthesis of Spherical Magnesium Lithium Silicate Using Natural Brine YAO Ying1 WANG Xiao hua2 SUN Jin he1 MA Jun1 JIA Yong zhong1 1 Qinghai Institute of Salt Lakes Chinese Academy of Sciences Xining 810008 China 2 Qinghai Center for Safety Science and Technology Xining 810008 China Abstract Spherical nanoparticles of Magnesium Lithium Silicate were synthesized hydrothermally using natural brine of Qaidam Salt Lake as starting materials The concentrated brine was utilized directly without separating lithium or magnesium from brine at first It is a good idea to make use of the salt lake resources in this region The samples were determined by X ray and TEM The surface area and particle size were calculated Key words Hectorite Nanoparticle Brine Clay Magnesium Lithium Silicate 1 2 1 1 810008 2 100049 SrFe12O19 1 2 1 1 810008 2 100049 FeCl3 6H2O SrCl2 6H2O NH4 2C2O4 H2O SrFe