نتایج جستجو برای: cd 2

تعداد نتایج: 2557922  

Journal: :Journal of hazardous materials 2015
Ruiping Liu Feng Liu Chengzhi Hu Zan He Huijuan Liu Jiuhui Qu

The coexistence of cadmium ion (Cd(II)) and antimonate (Sb(V)) creates the need for their simultaneous removal. This study aims to investigate the effects of positively-charged Cd(II) on the removal of negative Sb(V) ions by Fe-Mn binary oxide (FMBO) and associated mechanisms. The maximum Sb(V) adsorption density (Qmax,Sb(V)) increased from 1.02 to 1.32 and 2.01 mmol/g in the presence of Cd(II)...

Journal: :Physical review 2021

Praseodymium-based 1-2-20 cage compounds $\mathrm{Pr}{T}_{2}{X}_{20}$ ($T$ is generally Ti, V, Nb, Ru, Rh, Ir; and $X$ either Al, Zn, or Cd) provide yet another platform to study nontrivial electronic states of matter ranging from topological magnetic orders unconventional multipolar superconductivity. In this paper, we report measurements the heat capacity in two Pr-based materials: ${\mathrm{...

Journal: :Biotechnology and bioengineering 2009
Tyler S Radniecki Lewis Semprini Mark E Dolan

The effects of CdSO(4) additions on the gene expressions of a mercury reductase, merA, an oxidative stress protein, trxA, the ammonia-monooxygenase enzyme (AMO), amoA, and the hydroxylamine oxidoreductase enzyme (HAO), hao, were examined in continuously cultured N. europaea cells. The reactor was fed 50 mM NH(4)+ and was operated for 78 days with a 6.9 days hydraulic retention time. Over this p...

Journal: :International journal of epidemiology 2013
Hmwe Hmwe Kyu Harry S Shannon Katholiki Georgiades Michael H Boyle

BACKGROUND Previous research on the association between caesarean delivery (CD) and neonatal mortality has had methodological limitations and given conflicting results. We conducted a study to: (i) estimate the association between CD at the individual level and neonatal mortality rates (NMR) in 46 countries; and (ii) examine whether this association varies among countries according to country-l...

Journal: :Toxicology letters 2011
Balaji Ramachandran Sari Mäkelä Jean-Pierre Cravedi Marika Berglund Helen Håkansson Pauliina Damdimopoulou Adriana Maggi

Cadmium (Cd), an environmental and dietary contaminant, has been described to mimic the effects of 17β-estradiol (E(2)) in selected model systems when studied as an inorganic salt. However, inorganic Cd salts do not represent the main form of Cd exposure in general human populations. The aims of this study were to compare the estrogen-like effects and the bioavailability of dietary Cd to inorga...

2015
Jin-Li Zhu Guo -Qing Jiang Xiao-Qing Guo Yan-Feng Tang Miao Wang

In the title structure, [Cd(C5H2N5)2(C3H7NO)2] n or [Cd(adci)2(DMF)2] n , the Cd(2+) ion is located on a twofold rotation axis and is six-coordinated in a CdN4O2 manner by four imidazole N atoms of four symmetry-related 2-amino-4,5-di-cyano-imidazolate (adci) anions in the equatorial plane and by two O atoms of symmetry-related N,N-di-methyl-formamide (DMF) ligands in axial positions. The adci(...

Journal: :Chemical & pharmaceutical bulletin 2003
Juziro Nishijo Shiho Moriyama Sachiko Shiota

The interaction of cholesterol with several cyclodextrins (CDs) was investigated in water using solubility method. It was found that heptakis (2,6-di-O-methyl)-beta-CD (DOM-beta-CD) forms two types of soluble complex, with molar ratios of 1 : 1 and 1 : 2 (cholesterol : DOM-beta-CD), and neither a soluble nor insoluble complex is formed between cholesterol and alpha-CD, beta-CD, and gamma-CD, al...

Journal: :Chemical communications 2008
Hisahiro Sasabe Takayuki Chiba Shi-Jian Su Yong-Jin Pu Ken-ichi Nakayama Junji Kido

2-Phenylpyrimidine skeleton-based multifunctional electron-transport materials are designed and synthesized. By using these materials and green phosphorescent emitter, fac-tris(2-phenylpyridine)iridium [Ir(ppy)(3)], extremely efficient green organic light-emitting devices are developed. The devices show the efficiencies of 128 lm W(-1) (105 cd A(-1)) at 100 cd m(-2) and 96 lm W(-1) (99 cd A(-1)...

2009
Li-Xia Xie Xian-Fu Zheng Hui Su Qiu Jin

In the title compound, [Cd(C(3)H(3)N(4)O(2))(2)](n), the Cd(II) ion, located on a twofold rotation axis, is six-coordinated by two N atoms [Cd-N = 2.368 (2) Å] and four O atoms [Cd-O = 2.300 (1) and 2.260 (1) Å] from six 2-(1H-tetra-zol-1-yl)acetate (L) ligands in a distorted octa-hedral geometry. The metal centres are connected via the tridentate L ligands into a three-dimensional polymeric st...

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