Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Qin, Qian"'
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms. 541:322-332
Publikováno v:
International Journal of Mining Science and Technology, Vol 31, Iss 4, Pp 591-601 (2021)
Automatically formed roadway (AFR) by roof cutting with bolt grouting (RCBG) is a new deep coal mining technology. By using this technology, the broken roadway roof is strengthened, and roof cutting is applied to cut off stress transfer between the r
Autor:
Yuanlin Song, Tao Li, Douglas B. Lowrie, Shuihua Lu, Xuhui Liu, Heng Wang, Shanqun Li, Bin Song, Lu Xia, Xiao-Yong Fan, Jian-hao Wei, Xiuhong Xi, Xue-qin Qian
Publikováno v:
Journal of Infection. 82:84-89
To evaluate the diagnostic efficacy of stool-based Xpert MTB/RIF Ultra assay versus other assays for the detection of paediatric pulmonary tuberculosis (PTB).A prospective head-to-head comparative study was conducted from Dec 2017 to May 2019 in Shan
Autor:
Yin, Zhang, Yingjie, Zhang, Hui, Li, Ting, Bai, Qin, Qian, Haichuan, Peng, Yunlong, Mu, Linguo, Wang, Baohua, Liu, Jie, Chen, Zhongli, Pan, Dayu, Liu, Liming, Zhao
Publikováno v:
Food Chemistry. 401:134146
To study new methods to delay the umami taste attenuation of the conditioned pork, the ice temperature of pork, the content of nucleotides, lactic acid, pyruvate, glycogen, and activity of key endogenous enzymes were determined for the conditioned po
Publikováno v:
Energy. 176:991-1006
High-powered, medium-speed diesel engines are widely used in merchant ships. Improving energy efficiency by using energy rationally is critical to reducing both environmental pollution and transport charges. In this paper, the energy efficiency of ma
Publikováno v:
Advances in Water Resources. 123:120-133
Solute exchange between the pore water of a streambed and overlying flowing surface water can have important effects on the chemical mass balance and biological productivity in the aquatic environment. The base mechanism for driving this hyporheic ex
Publikováno v:
Tunnelling and Underground Space Technology. 83:187-194
There are many challenges in the construction of tunnels with large section, such as weak surrounding rock control, low efficiency of the artificial construction and poor safety. To solve these problems, a new mechanized construction technology of th
Autor:
Qi Wang, Bei Jiang, Yin-Cheng Luan, Yu Hengchang, Pan Rui, Manchao He, Sun Huibin, Qin Qian, Shucai Li
Publikováno v:
International Journal of Rock Mechanics and Mining Sciences. 102:89-100
Surrounding rock control is a big challenge in roadway with high stress in deep underground engineering. To address this issue, Zhaolou coal mine – a typical kilometer deep well is taken as engineering background to monitor and analyze the original
Autor:
Qingjie Wang, Yu Hengchang, Bei Jiang, Manchao He, Pan Rui, S.C. Li, Qin Qian, Sun Huibin, Luan Yingcheng, Lei Wang
Publikováno v:
Engineering Failure Analysis. 81:155-177
Surrounding rock control is a tough issue in roadway with soft rock in deep underground. To solve this problem, the original supporting scheme is monitored and analyzed on site with Liangjia coal mine of China as engineering background. Located in Lo
Publikováno v:
Engineering Failure Analysis. 80:218-233
This paper aims to provide some useful guidance for the design of parameters in bolt-grouting support and stabilize the surrounding rock in deep coal seam. A grouting reinforcement effect evaluation test instrument for fractured rock mass was develop