26 Result(s)

Article

The influence of Nd³⁺ ions do** on structural, dielectric and magnetic properties of Ni–Zn ferrites

The impact of neodymium substitution on structural, dielectric and magnetic properties of polycrystalline Ni_0.5Zn_0.5Nd_xFe_2−xO₄ (0.002 ≤ x ≤ 0.010) ferrites have been investigated. XRD results demonstrate that all...

G. S. Luo, W. P. Zhou, J. D. Li, Z. Y. Zhou… in Journal of Materials Science: Materials in… (2017)

Article

Efficacy of adjunctive laser in non-surgical periodontal treatment: a systematic review and meta-analysis

To evaluate the efficacy of the adjunctive laser therapy in conventional non-surgical treatment of chronic periodontitis, an electronic search was performed through the Cochrane Central Register of Controlled ...

Y. Cheng, J. W. Chen, M. K. Ge, Z. Y. Zhou, X. Yin, S. J. Zou in Lasers in Medical Science (2016)

Article

Topic: Mesh and Prosthesis

D. Zabel, E. Kalish, M. Conway, J. Belgrade, B. Pérez Köhler, F. García Moreno… in Hernia (2015)

Article

Angle of repose and stress distribution of sandpiles formed with ellipsoidal particles

The properties of a sandpile such as angle of repose and stress distribution are affected by many variables, among which particle shape is one of the most important. In this work, ellipsoids which can represen...

Z. Y. Zhou, R. P. Zou, D. Pinson, A. B. Yu in Granular Matter (2014)

Article

Recurrent granular cell tumor of the anal–perianal region: how much anal sphincter can be resected?

X. Y. Wan, B. Hu, Z. Y. Zhou, Y. Huang, D. L. Ren in Techniques in Coloproctology (2014)

Article

Stress fields of solid flow in a model blast furnace

The computational fluid dynamics–discrete element method approach, supported by an averaging technique, has been employed to quantitatively investigate the stress distributions of solid flow in a model blast f...

H. P. Zhu, Z. Y. Zhou, A. B. Yu, P. Zulli in Granular Matter (2009)

Article

Theoretical studies on excited state proton transfer tautomerism reaction and spectroscopic properties of 8-hydroxyquinoline monomers and dimers

By means of ab initio HF methods, the ground state structures of 8-hydroxyquinoline (8-HQ) monomers and dimers were optimized using the 6-311+g* and 6-31G basis sets, respectively. The lowest singlet excited stat...

Z. -Y. Zhou, G. -G. Shan, Y. -L. Zhu, X. -J. Yu… in Journal of Structural Chemistry (2009)

Article

Effect of Contact Resistance on Bulk Resistivity of Dry Coke Beds

Measurements show that bulk resistivity of dry coke beds decreases with increasing particle size. A further development of a coke bed model is proposed to explain this correlation. By image analysis, it has be...

P. A. Eidem, M. Runde, M. Tangstad… in Metallurgical and Materials Transactions B (2009)

Article

Land use and drought interactively affect interspecific competition and species diversity at the local scale in a semiarid steppe ecosystem

Few studies have considered interactive effects of grazing and drought on species composition and the relative contribution of species to total biomass, although it is important to understand the short-term dy...

Y. Z. Gao, M. Giese, X. G. Han, D. L. Wang, Z. Y. Zhou, H. Brueck… in Ecological Research (2009)

Article

Disruption of xCT inhibits cancer cell metastasis via the caveolin-1/β-catenin pathway

xCT, the functional subunit of the cystine/glutamate transporter xc- system, plays a critical role in the maintenance of intracellular glutathione and redox balance. Disruption of xCT significantly inhibits th...

R-S Chen, Y-M Song, Z-Y Zhou, T Tong, Y Li, M Fu, X-L Guo, L-J Dong, X He… in Oncogene (2009)

Article

Two new species ofPseudopetigurus (Trilobita) from the Arenig — Llanvirn of South China

Two new species ofPseudopetigurus are described from northern Hunan Province, China.P. deprati n. sp. is abundant in the upper Zitai Formation (upper Arenig) of Shuanghong, Baiyun, Shimen County, andP. expansus n...

Samuel T. Turvey, Z. Y. Zhou, W. W. Yuan in Paläontologische Zeitschrift (2006)

Article

Numerical simulation of the interaction forces between turbine meter and particles in a standpipe

A numerical study of the dynamic behaviour of a turbine meter measuring solid flowrate was carried out by use of the discrete element method. The simulation was conducted with a cylindrical standpipe of 30d in di...

H. P. Zhu, G. X. **ao, Z. Y. Zhou, A. B. Yu, D. L. Xu in Granular Matter (2004)

Article

Formation of CNx thin films by reactive pulsed laser deposition assisted by electron cyclotron resonance microwave discharge

Amorphous carbon nitride thin films were synthesized by pulsed laser deposition combined with electron cyclotron resonance (ECR) microwave discharge in nitrogen gas. The ECR discharge supplies active nitrogen ...

W. Shi, J.D. Wu, J. Sun, H. Ling, Z.F. Ying, X.M. Ding, Z.Y. Zhou… in Applied Physics A (2001)

Article

Low-temperature synthesis of AlN films through electron cyclotron resonance plasma-aided reactive pulsed laser deposition

Combination of pulsed laser ablation with electron cyclotron resonance microwave discharge was demonstrated for a novel method for low-temperature thin film growth. Aluminum nitride thin films were synthesized...

J. Sun, J.D. Wu, Z.F. Ying, W. Shi, Z.Y. Zhou, K.L. Wang, X.M. Ding… in Applied Physics A (2001)

Chapter

An Uncoupling Effect of Reactive Oxygen Species on the Retinal Horizontal Cells

Glutathione is a potent endogenous scavenger of oxygen free radicals in living cells. Decreased levels of glutathione are involved in aging and some neurodegenerative diseases. To investigate an effect of glut...

T. Matsukawa, Z. -Y. Zhou, K. Sugawara… in Retinal Degenerative Diseases and Experime… (1999)

Article

Optimization of plasma parameters for a recombination Li-like Si soft-X-ray laser

Z.Y. Zhou, S.F. Pan in Applied Physics B (1998)

Chapter

Ischemic Neuronal Death in the Fish Retina

It has been postulated that ischemia leads to a loss of cellular homeostasis and a shortage of available adenosine triphosphate (ATP) (1–3). This causes a release of glutamate and other mediators, which result...

S. Kato, Z.-Y. Zhou, K. Sugawara, Y. Yasui, N. Takizawa… in Degenerative Retinal Diseases (1997)

Article

Luminarin 9: A new fluorescent reagent for the precolumn derivatizatioin of main volatile and non-volatile N-nitrosamines in RP-HPLC

A sensitive precolumn fluorescence derivatization method for low level detection of the, volatile (N-nitrosodimethylamine and N-nitrosopyrrolidine) and non-volatile N-nitrosamines (N-nitrosoproline and N-nitro...

Z. Y. Zhou, C. Dauphin, P. Prognon, M. Hamon in Chromatographia (1994)