32 Result(s)

Article

LHAASO-KM2A detector simulation using Geant4

KM2A is one of the main sub-arrays of LHAASO, working on gamma ray astronomy and cosmic ray physics at energies above 10 TeV. Detector simulation is the important foundation for estimating detector performance...

Zhen Cao, F. Aharonian, Q. An, Axikegu… in Radiation Detection Technology and Methods (2024)

Chapter and Conference Paper

Intelligent Decision Framework of Shield Attitude Correction Based on Deep Reinforcement Learning

Shield attitude is an important control element in the construction of shield projects. Due to the complex shield construction environment and the difficulties of shield machine operation, shield attitude cont...

J. Xu, J. F. Bu, L. G. Zhang, J. Zhang… in Proceedings of The 17th East Asian-Pacific… (2023)

Article

Reconstruction of Cherenkov image by multiple telescopes of LHAASO-WFCTA

One of main scientific goals of the Large High Altitude Air Shower Observatory (LHAASO) is to accurately measure the energy spectra of different cosmic ray compositions around the ‘knee’ region. The Wide Field...

F. Aharonian, Q. An, Axikegu, L. X. Bai… in Radiation Detection Technology and Methods (2022)

Article

Effects of Y and Addition of Refiners on Hot Tearing Susceptibility of MgZn-Based Alloy

On the basis of studying the effect of rare earth elements on hot tearing susceptibility (HTS) of Mg–Zn alloys, further exploring effective ways to reduce HTS of Mg–Zn–Y alloys are very important for the deve...

Z. Q. Wei, Z. J. Zhou, S. M. Liu, Z. Liu, Y. Wang in International Journal of Metalcasting (2022)

Article

A dynamic range extension system for LHAASO WCDA-1

The main scientific goal of LHAASO-WCDA is to survey gamma-ray sources with energy from 100 GeV to 30 TeV. To observe high-energy shower events, especially to measure the energy spectrum of cosmic rays from 10...

F. Aharonian, Q. An, Axikegu, L. X. Bai… in Radiation Detection Technology and Methods (2021)

Article

Line-of-shower trigger method to lower energy threshold for GRB detection using LHAASO-WCDA

Observation of high energy and very high emission from Gamma Ray Bursts (GRBs) is crucial to study the gigantic explosion and the underline processes. With a large field-of-view and almost full duty cycle, the...

F. Aharonian, Q. An, Axikegu, L. X. Bai… in Radiation Detection Technology and Methods (2021)

Article

Durability of rubber waterstop in extreme environment: effect and mechanisms of ultraviolet aging

In harsh environments such as high altitude areas, the durability of rubber waterstops is a big concern. A long period of sunshine and the accompanying strong ultraviolet (UV) radiation accelerate the photooxi...

S. M. Liu, L. Yu, J. X. Gao, X. D. Zhang in Polymer Bulletin (2021)

Article

Ultrahigh-energy photons up to 1.4 petaelectronvolts from 12 γ-ray Galactic sources

The extension of the cosmic-ray spectrum beyond 1 petaelectronvolt (PeV; 10¹⁵ electronvolts) indicates the existence of the so-called PeVatrons—cosmic-ray factories that accelerate particles to PeV energies. We n...

Zhen Cao, F. A. Aharonian, Q. An, Axikegu, L. X. Bai, Y. X. Bai, Y. W. Bao… in Nature (2021)

Article

Effect of self-generation for initial selection on breeding better cotton

In a hypothetic population of cotton, Gossypium hirsutum L., segregating for 26 independent alleles, individuals with all desired alleles are more abundant in early generations (F₂ or F₃), but a high proportion o...

S. M. Liu, G. A. Constable in Euphytica (2017)

Article

Properties of transparent conductive boron-doped ZnO thin films deposited by pulsed DC magnetron sputtering from Zn_1−x B _x O targets

Transparent conducting B-doped ZnO thin films were deposited on normal soda-lime glass substrate by pulsed DC magnetron sputtering from homemade Zn_1−x B _{x ...}

B. Wen, C. Q. Liu, N. Wang, H. L. Wang, S. M. Liu, Y. H. Ren… in Applied Physics A (2017)

Article

Properties of boron-doped ZnO thin films deposited by pulsed DC magnetron sputtering at different substrate temperatures

By pulsed DC magnetron sputtering, boron-doped ZnO (BZO) thin films were deposited on normal glass substrates at different substrate temperatures. The effect of substrate temperature on the properties of the ...

B. Wen, C. Q. Liu, N. Wang, H. L. Wang, S. M. Liu, W. W. Jiang… in Applied Physics A (2015)

Article

Benefit of spatial analysis for furrow irrigated cotton breeding trials

Appropriate analysis of plant breeding trials is critical for the accurate assessment of test lines and selection decisions. The objectives of this study were two-fold: firstly, to examine the performance of t...

S. M. Liu, G. A. Constable, B. R. Cullis, W. N. Stiller, P. E. Reid in Euphytica (2015)

Article

Room-temperature ferromagnetism in Mn-N Co-doped p-ZnO epilayers by metal-organic chemical vapor deposition

Mn-N co-doped Zn epilayers were grown by metal-organic chemical vapor deposition. The Mn-N co-doped epilayers exhibit single phase hexagonal wurtzite structure, indicative of the small lattice damage from co-d...

S.M. Liu, S.L. Gu, J.D. Ye, S.M. Zhu, W. Liu, K. Tang, Z.P. Shan… in Applied Physics A (2008)

Article

Speciation and Seasonal Variations of Dissolved Inorganic Arsenic in Jiaozhou Bay, North China

The distributions and biogeochemical cycles of arsenic in the aquatic environment have captured the interest of geochemists due to arsenic’s multiple chemical forms, the toxicity of certain arsenic species and...

J. L. Ren, J. Zhang, D. D. Li, Y. Cheng, S. M. Liu in Water, Air, & Soil Pollution: Focus (2007)

Article

Groundwater and Nutrient Discharge into Jiaozhou Bay, North China

The health of near shore marine ecosystems has long been a concern because of its importance to coastal areas. Jiaozhou Bay (JZB) is one such marine ecosystem experiencing rapid water quality degradation in th...

G. Q. Liu, S. Y. Wang, X. J. Zhu, S. M. Liu… in Water, Air, & Soil Pollution: Focus (2007)

Article

An improved grey model for corrosion prediction of tank bottom

Leakage of a storage tank caused by the corrosion of its bottom contaminates soils and underground waters. The tank operators must monitor and control the underground corrosion of the tank bottom. Though it is...

S. M. Liu, G. Y. Zhang in Protection of Metals (2007)

Article

Experimental aided performance evaluation methods for wafer probe test

D. S. Liu, M. K. Shih, S. M. Liu, T. Huang, Y. C. Chao, C. C. Yu in Experimental Techniques (2006)

Article

Determination of Volatile Carbonyl Compounds in Cigarette Smoke by LC-DAD

An effective and rapid method, use of a 2,4-dinitrophenylhydrazine (DNPH)-treated Cambridge filter and high-performance liquid chromatography (HPLC) with diode-array detection (DAD), has been used for determin...

T. L. Wang, H. W. Tong, X. Y. Yan, L. Q. Sheng, J. Yang, S. M. Liu in Chromatographia (2005)