搜索结果: 1-9 共查到“理学 Zirconium”相关记录9条 . 查询时间(0.073 秒)
An extremely peculiar hot subdwarf with a ten-thousand-fold excess of zirconium, yttrium, and strontium
hot subdwarf ten-thousand-fold
2011/1/10
Helium-rich subdwarf B (He-sdB) stars represent a small group of low-mass hot stars with luminosities greater than those of conventional subdwarf B stars, and effective temperatures lower than those o...
An efficient one-pot synthesis of dihydropyrimidinones catalyzed by zirconium hydrogen phosphate under solvent-free conditions
Biginelli reaction solvent-free zirconium hydrogen phosphate
2010/10/18
A simple, efficient, and practical procedure for the Biginelli reaction using zirconium hydrogen phosphate [Zr(H2PO4)2] as a novel solid acid catalyst is described under solvent-free conditions in hig...
A simple method for the precise determination of boron, zirconium, niobium, hafnium and tantalum using ICP-MS and new results for rock reference samples
ICP-MS analytical method rock reference samples boron high field strength elements
2017/8/9
An analytical technique for determining boron, zirconium, niobium, hafnium and tantalum contents in rock samples by inductively coupled plasma mass spectrometry (ICP-MS) is described. The rock samples...
Synthesis and Characterization of a Novel Metal Phosphonate, Zirconium (IV)-Hydroxy Ethylidene Diphosphonate, and Its Application as an Ion Exchanger
Inorganic ion exchanger metal phosphonate tetravalent metal acid salt zirconium-hydroxy ethylidene diphosphonate Zr(IV) phosphonate
2010/4/16
A novel hybrid ion exchange material, Zirconium-hydroxy ethylidene diphosphonate [ZrHEDP], of the class of tetravalent metal acid (TMA) salts has been synthesized by the sol-gel technique. The materia...
专著信息
书名
Salen-type Zirconium Complexes with a Labile Coordination Site and a Robust Skeleton. Crystal Structure of [(t-Bu4-salen)ZrCl2(H2O)]
语种
英文
撰写或编译
作者
Mei Wang,Hongjun Zhu,Deguang Huang,Kun Jin,C...
专著信息
书名
Coordination polyhedrons of eight-coordinate zirconium complexes and a network built up by crisscross Cl(((Cl contacts
语种
英文
撰写或编译
作者
Hongjun Zhu,Mei Wang,Kun Jin,Dong Dai,Licheng Sun,Changnen...
专著信息
书名
Salen-type zirconium complexes with a labile coordination site and a robust skeleton:crystal structure of [(t-Bu4-salen)ZrCl2(H2O)],
语种
英文
撰写或编译
作者
M. Wang,H. Zhu,D. Huang,K. Jin,C. Chen,L. Su...
专著信息
书名
Reactions of zirconium and hafnium atoms with ammonia. Matrix infrared spectra and density functional calculations of the MNH3 and H2MNH (M=Zr and Hf) molecules.
语种
英文
撰写或编译
作者
M. F. Zhou,M. H...
Synthesis, Characterization and Applications of Sol-Gel Derived Zirconium Oxide Adsorbent Powder: Removal from Aqueous Solution of Phenol and p-Chlorophenol
adsorbent adsorption coating sol-gel process zirconium alkoxides
2010/4/21
Adsorbent powders were prepared from the uncatalysed hydrolysis-condensation reactions of different complexes that were synthesized by the reactions of Zr(OPrn)4 with different chelating ligands (such...