72 Result(s)

Article

Ten Flavonoids of Hypericum przewalskii and Selective Cytotoxicity Against Six Human Tumor Cell Lines

Y. Zhang, X. Q. Zhang, M. J. Yu, C. Y. Ren, X. H. Yu… in Chemistry of Natural Compounds (2024)

Article

Effect of Pressure on the Structural, Mechanical, and Electronic Properties of Monoclinic ZnWO₄

To better understand its physical properties, the effect of pressure on the structural, mechanical, and electronic properties of monoclinic ZnWO₄ were investigated through a first principles calculation approach ...

X. Q. Zhang, B. Zhang in Russian Journal of Physical Chemistry B (2023)

Article

Extension Magnitude and Ratio of Central and South Segments in South Atlantic Margins

The better understanding of the initial rifting would complement the knowledge of continental breakup and the oceanic opening process. Traditionally, mechanisms controlling the initial rifting have been divide...

H. A. Suhail, Q. H. Nie, X. Q. Zhang, A. Akbar, G. Aliyeva in Geotectonics (2023)

Article

A Pair of Chiral Dysprosium Single-Ion Magnets with 2,6-Bis[(4S/4R)4-phenyl-2-oxazolinyl]pyridine and Hexafluoroacetylacetonate Ligands

Employing 2,6-bis[(4S/4R)-4-phenyl-2-oxazolinyl]pyridine (4R/4S-Pybox) as the chiral inducing ligand, a pair of enantiopure mononuclear Dy(III) complexes, [Dy(Hfac)₃(4R/4S-Pybox)] (1R/1S; Hfac^– = 1,1,1,5,5,5-hexa...

F. Y. Kong, H. Z. Han, S. X. Huang, Q. H. Teng… in Russian Journal of Coordination Chemistry (2022)

Chapter and Conference Paper

Improved Firefly Algorithm Based on Community and Migration Strategy and Its Application of PID Controller Design

The PID controller based on the Ziegler-Nichols Tuning Rules to obtain the parameters cannot achieve the best control performance. This paper proposes an optimization method of the PID controller parameters ba...

X. Q. Zhang, C. Y. Wu, L. Shi, J. R. Guo… in Proceedings of the International Conferenc… (2021)

Chapter and Conference Paper

Pole-Placement Control of Hypothetical Loop Decoupling Design Based on Improved Grey Wolf Optimization Algorithm

Based on general Ackermann’s formula, the MIMO system’s pole configuration design has free parameters that can be adjusted to optimize the system performance. We proposed an improved grey wolf algorithm with a...

X. Q. Zhang, C. Y. Wu, L. Y. Jang, L. Shi… in Proceedings of the International Conferenc… (2021)

Article

The Prevalence and Clinical Characteristics of Essential Tremor in Elderly Chineses: A Population-Based Study

To investigate the prevalence and the clinical feature of essential tremor (ET) in a community cohort in Bei**g.

H. Sun, F. Sun, X.-Q. Zhang, X.-H. Fang… in The journal of nutrition, health & aging (2020)

Article

Molecular Cloning and the Expression Pattern of a Phospholipid Hydroperoxide Glutathione Peroxidase in Kalidium foliatum under NaCl Treatment

The halophyte Kalidium foliatum (Pall.) Moq. exhibits strong tolerance to salinity. Salt stress leads to reactive oxygen species (ROS) production, and high contents of ROS are harmful to plants. The phospholipid ...

Z. G. Wang, P. X. Zhang, Y. T. Shao, T. T. Xu… in Russian Journal of Plant Physiology (2020)

Article

Simulation of fatigue cracks growth processes of two parallel cracks in thin plate pulled by the constant amplitude cyclic loading

In the paper, the propagation processes of two parallel cracks in 2-mm-thick plate pulled by the cyclic loading were investigated by numerical simulation and experiment. The codes Abaqus and Franc3D were imple...

X. Q. Zhang, J. Wang, W. Wei, X. T. Ji… in Journal of the Brazilian Society of Mechan… (2019)

Article

Facile synthesis of hollow urchin-like NiCo₂O₄ microspheres for high-performance sodium-ion batteries

Hollow urchin-like NiCo₂O₄ microspheres were facilely synthesized by a simple hydrothermal approach combined with subsequent annealing process. The three-dimensional architectures with hollow structure are formed...

X. Q. Zhang, Y. C. Zhao, C. G. Wang, X. Li, J. D. Liu… in Journal of Materials Science (2016)

Article

Metabolic regulation of ammonia emission in different senescence phenotypes of Nicotiana tabacum

In order to reveal the character of ammonia emission in senescent tobacco (Nicotiana tabacum), the content of NH₄ ⁺, total nitrogen, and soluble protein, and the activities of nitr...

Y. J. Wu, T. Z. Yang, Y. Y. Song, X. Q. Zhang, S. X. Xu, G. Xue… in Biologia Plantarum (2016)

Article

Laser plasma interaction during visible and IR laser ablation of chromite mineral target

In this work, we present optical emission studies of the laser induced Chromite mineral plasma produced by the fundamental (1064 nm) and second (532 nm) harmonics of a Q-switched pulsed Nd:YAG laser. The spect...

M. Salik, M. Hanif, J. Wang, X. Q. Zhang in High Energy Chemistry (2015)

Article

Isolation and characterzation of endophytic Huperzine A-producing fungi from Phlegmariurus phlegmaria

Based on special colony morphology, 340 endophytic fungi were isolated from the stems, leaves, and roots of Phlegmariurus phlegmaria. Among the 340 strains, eight, representative species (MY298, MJ216, MY237, MJ4...

F. F. Zhang, M. Z. Wang, Y. X. Zheng, H. Y. Liu, X. Q. Zhang, S. S. Wu in Microbiology (2015)

Article

Thermal Analysis of High-Current DC Disconnector Used in ITER Poloidal Field Converter

This paper presents the thermal analysis of a high-current dc disconnector which will be used in ITER poloidal field converter. The analysis is based on the finite element method, and thermal-electric module i...

Zhiquan Song, Yong Yang, P. Fu, Chuan Li, X. Q. Zhang, Lin Dong… in Journal of Fusion Energy (2015)

Article

Structure Analysis of High Current DC Disconnector Used in ITER Poloidal Field Converter

This paper presents the structure analysis of the high current dc disconnector (DCDS) used in ITER poloidal field converter. As the DCDS has to withstand 350 kA short current and meet high insulation level req...

Zhiquan Song, Yong Yang, Chuan Li, P. Fu, X. Q. Zhang, Lin Dong… in Journal of Fusion Energy (2015)

Article

Synthesis of Cu₂O mesocrystal and its application in photocatalysis

Yolk-shelled Cu₂O mesocrystals were synthesized by chemical precipitation at a low temperature with PEG-500 as the surfactant. The as-prepared products were investigated by X-ray diffraction, SEM, and TEM. The re...

G. H. Yue, Y. Zhang, X. Q. Zhang, C. G. Wang, Y. C. Zhao, D. L. Peng in Applied Physics A (2015)

Article

Characterization and evaluation of MODIS-derived Drought Severity Index (DSI) for monitoring the 2009/2010 drought over southwestern China

This article investigates whether the Moderate Resolution Imaging Spectroradiometer (MODIS)-derived global terrestrial Drought Severity Index (DSI) had the capability of detecting regional drought over subtrop...

X. Q. Zhang, Y. Yamaguchi in Natural Hazards (2014)

Article

High-level expression of the Streptomyces mobaraense CICC 11018 transglutaminase in Corynebacterium glutamicum ATCC 13032

The transglutaminase (MTG) secreted by Streptomyces mobaraense is a valuable enzyme for the food industry. To optimize the expression system for MTG heterologous expression in Corynebacterium glut...

Y. H. Liu, S. Lin, K. Liu, X. G. Liu, X. Q. Zhang… in Applied Biochemistry and Microbiology (2014)