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Showing 25 to 36 of 1108 entries
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[Research advance in slurry sample introduction for plasma emission spectrometry/mass spectrometry].

Guang pu xue yu guang pu fen xi = Guang pu

Wang Z, Qiu DR, Tao GY, Yang PY.
PMID: 16830776
Guang Pu Xue Yu Guang Pu Fen Xi. 2006 Mar;26(3):542-7.

The present review is focused on the advances and applications of slurry introduction for plasma spectrometry/mass spectrometry. Preparation and characterization of the suspensions are described, including the methods for decreasing the particle size such as the bottle and bead...

Concentration of yttrium subgroup impurities in high-purity yttrium oxide by TBP-NH(4)SCN extraction chromatography.

Talanta

Tao Z.
PMID: 18963483
Talanta. 1983 Nov;30(11):864-6. doi: 10.1016/0039-9140(83)80199-4.

Separation factors for all the yttrium subgroup elements and yttrium, extracted with TBP from 0.45M NH(4)SCN solution at 24-42 degrees have been determined and found to be 1.9. Eight yttrium subgroup impurities in high-purity yttrium oxide have been concentrated...

[Determination of copper, chromium and arsenic in wood and its products by high pressure digest-ICP-AES].

Guang pu xue yu guang pu fen xi = Guang pu

Jin XZ, Chen JG, Zhu LH, Cao GZ, Huang BL.
PMID: 18051541
Guang Pu Xue Yu Guang Pu Fen Xi. 2007 Sep;27(9):1837-40.

Sample preparation was studied, samples were sawn to be sawdust, screened by a 35 mesh sieve, dryed 4-5 h at 105 degrees C, and its homogeneity was tested by variance analysis. Sample pretreatment methods were investigated with wet decomposition,...

Stable sensors with tunable sensitivities based on class II xerogels.

Analytical chemistry

Tao Z, Tehan EC, Tang Y, Bright FV.
PMID: 16536431
Anal Chem. 2006 Mar 15;78(6):1939-45. doi: 10.1021/ac051657b.

We report on the analytical figures of merit for O2-responsive sensor arrays and films formed by sequestering tris(4,7-diphenyl-1,10-phenanthroline)ruthenium(II) within class II organically modified silicates that are composed of tetramethoxysilane or tetraethoxysilane and monoalkylsiloxanes of the form (CnH(2n+1))-Si-(OR)3 (n =...

Selective synthesis of manganese oxide nanostructures for electrocatalytic oxygen reduction.

ACS applied materials & interfaces

Cheng F, Shen J, Ji W, Tao Z, Chen J.
PMID: 20353237
ACS Appl Mater Interfaces. 2009 Feb;1(2):460-6. doi: 10.1021/am800131v.

This work presents two points with respect to manganese oxide (MnO(x)) nanomaterials: their controllable synthesis with desired phases and shapes together with their applications as catalysts for oxygen reduction and Al/air batteries. Solid MnO(x) with crystalline phases of MnOOH,...

Direct determination of impurities in high purity silicon carbide by inductively coupled plasma optical emission spectrometry using slurry nebulization technique.

Analytica chimica acta

Wang Z, Qiu D, Ni Z, Tao G, Yang P.
PMID: 17723686
Anal Chim Acta. 2006 Sep 08;577(2):288-94. doi: 10.1016/j.aca.2006.06.043. Epub 2006 Jun 27.

A novel method for the determination of Al, Ca, Cr, Cu, Fe, Mg, Mn, Ni and Ti in high purity silicon carbide (SiC) using slurry introduction axial viewed inductively coupled plasma optical emission spectrometry (ICP-OES) was described. The various...

[Cucurbit[8]urils-induced room temperature phosphorescence of phenanthrene and fluorene].

Guang pu xue yu guang pu fen xi = Guang pu

Gao ZW, Mu L, Xue SF, Tao Z, Zeng X.
PMID: 20545154
Guang Pu Xue Yu Guang Pu Fen Xi. 2010 Apr;30(4):1026-9.

In this paper, a new room temperature phosphorescence for phenanthrene and fluorene were first reported with cucurbit[8]uril as the revulsant, KI as the heavy atomperturber, and Na2SO3 as deoxygenation. The RTP maximum wavelengths were lambda(ex)/lambda(em) = 282/509 nm and...

Epidemiologic application of verbal autopsy to investigate the high occurrence of cancer along Huai River Basin, China.

Population health metrics

Wan X, Zhou M, Tao Z, Ding D, Yang G.
PMID: 21816097
Popul Health Metr. 2011 Aug 04;9:37. doi: 10.1186/1478-7954-9-37.

BACKGROUND: In 2004, the media repeatedly reported water pollution and "cancer villages" along the Huai River in China. Due to the lack of death records for more than 30 years, a retrospective survey of causes of death using verbal...

Resonant emission of solitons from impurity-induced localized waves in nonlinear lattices.

Physical review. E, Statistical, nonlinear, and soft matter physics

Yu G, Wang X, Tao Z.
PMID: 21405922
Phys Rev E Stat Nonlin Soft Matter Phys. 2011 Feb;83(2):026605. doi: 10.1103/PhysRevE.83.026605. Epub 2011 Feb 28.

We propose a mechanism for soliton creation from resonantly excited localized waves via supratransmission in band gaps of nonlinear lattices. A nonlinear localized wave, which is formed by and vibrates around an impurity with an intrinsic frequency, is found...

The value of chest CT scan and tumor markers detection in sputum for early diagnosis of peripheral lung cancer.

Zhongguo fei ai za zhi = Chinese journal of lung cancer

Wang X, Cao A, Peng M, Hu C, Liu D, Gu T, Liu H.
PMID: 21211195
Zhongguo Fei Ai Za Zhi. 2004 Feb 20;7(1):58-63. doi: 10.3779/j.issn.1009-3419.2004.01.15.

BACKGROUND: To investigate the diagnostic value of chest CT scan combined with telomerase activity and p16 gene methylation from exfoliated cells of sputum in 55 cases of solitary pulmonary nodules (SPN; ≤30 mm)suspected early peripheral lung cancer.METHODS: The sputum...

2,2'-(Heptane-1,7-di-yl)dibenz-imidazo-lium chloride nitrate monohydrate.

Acta crystallographica. Section E, Structure reports online

Zeng JP, Zhang YQ, Xue SF, Zhu QJ, Tao Z.
PMID: 21582272
Acta Crystallogr Sect E Struct Rep Online. 2009 Feb 28;65:o620. doi: 10.1107/S1600536809006370.

In the title compound, C(21)H(26)N(4) (2+)·Cl(-)·NO(3) (-)·H(2)O, the organic cations, anions and water mol-ecules are linked through N-H⋯Cl, N-H⋯O, N-H⋯N and O-H⋯Cl hydrogen bonds, forming a three-dimensional framework, assisted by C-H⋯π inter-actions.

Study on luminescent property of Tb(3+)-doped silicate nano-scintillating glass.

Journal of nanoscience and nanotechnology

Jingwen L, Xu Y, Shengchun X, Tao Z.
PMID: 20355612
J Nanosci Nanotechnol. 2010 Mar;10(3):1977-81. doi: 10.1166/jnn.2010.2090.

By optimizing a Tb(3+)-doped silicate nano-scintillating glass matrix, sensitizer and brightening agent components, the processing conditions such as the melting temperature, holding time, atmosphere, and heat treatment were improved, and the temperature of the heat treatment was changed to...

Showing 25 to 36 of 1108 entries