Results 51 to 60 of about 228,329 (132)

Seismicity of tectonic structures of the South Polar Region

Записки Горного института
The paper studies seismicity of the South Polar Region from the South Pole to the 50th parallel of south latitude. During the observation period, earthquakes of various genesis with a magnitude of M > 8 occurred in seismically hazardous zones of the ...
Alexey A. Baranov, Nadezhda V. Andreeva
doaj  

Optimization of grouting reinforcement performance of superfine sulfoaluminate cement composite system

Meitan kexue jishu
Aiming at the technical demands for the control of the stability of the surrounding rock of the underground roadway in coal mines and the improvement of the effect of grouting reinforcement, and with the target orientation of the resource utilization of ...
Pengfei WANG, Pengyun YAN, Mingxuan ZHANG   +2 more
doaj   +1 more source

From bites to barcodes: uncovering the hidden diversity of black flies (Diptera: Simuliidae) in Vietnam. [PDF]

Parasit Vectors, 2023
Putt QY, Ya'cob Z, Adler PH, Chen CD, Hew YX, Izwan-Anas N, Lau KW, Sofian-Azirun M, Pham XD, Takaoka H, Low VL.   +10 more
europepmc   +1 more source

Area under ROC curve.977 (CI.957–997).

, 2014
Area under ROC curve.977 (CI.957–997).
Hans Forssberg (526893), Nelli Kalnak (526892), Myriam Peyrard-Janvid (217775), Birgitta Sahlén (526894)   +3 more
core   +1 more source

Hydration mechanism and carbon footprint of formic acid modified coal gasification slag-based backfill material

Meitan kexue jishu
The application of coal gasification slag (CGS) as backfill materials is hindered owing to its low hydration reactivity which results in insufficient strength performance of cementitious materials.
Qiang GUO, Jixiong ZHANG, Binbin HUO, Meng LI, Nan ZHOU, Sixu LIU   +5 more
doaj   +1 more source

Acoustic emission and crack evolution characteristics of cemented tailings backfill under different loading rates

Meitan kexue jishu
To investigate the dynamic regulation mechanism of loading rate on crack evolution in cemented tailings backfill (CTB), uniaxial compression tests with acoustic emission (AE) monitoring were conducted at loading rates v of 0.002, 0.004, 0.008, and 0.010 ...
Shenghua YIN, Yun ZHOU, Xiaobing YANG, Wei CHEN, Junwei CHEN   +4 more
doaj   +1 more source

Effect of aggregate surface strengthening on compressive damage of pre-placed coal gangue cemented backfill

Meitan kexue jishu
Coal gangue is the main solid waste derived from coal mining. Its disadvantages, such as significant quality fluctuation, high crushing value, large water absorption, and poor stability, limit the large-scale application of backfilling in goaf, which has
Jiaxu JIN, Xiaowei GU, Mingxu LI, Zhifa QIN, Tao LIU, Pengfei WU, Shenghao ZUO   +6 more
doaj   +1 more source

Induced eddy currents characteristics of coal gangue-based functional concrete in compression process

Meitan kexue jishu
Coal gangue-based cemented structures （CGCS） have been widely used in underground engineering. Due to the complex environment and limited space, there is still no effective method to monitor structural health in under-ground engineering.
Meng XIAO, Feng JU, Zequan HE, Pai NING, Tengfei WANG, Dong WANG   +5 more
doaj   +1 more source

Identification of miRNAs Contributing to the Broad-Spectrum and Durable Blast Resistance in the Yunnan Local Rice Germplasm. [PDF]

Front Plant Sci, 2021
Li J, Zhang H, Yang R, Zeng Q, Han G, Du Y, Yang J, Yang G, Luo Q.   +8 more
europepmc   +1 more source

Performance of coal based solid waste foam filling material and control of surrounding rock of abandoned roadways

Meitan kexue jishu
A working face passing through an abandoned roadway is a common engineering problem in the underground production process of coal mines. When the geological conditions of abandoned roadways are complex and dense, they can easily lead to instability of ...
Qiang SUN, Rui ZHAO, Nan ZHOU, Jialiang GAO, Hui YUAN   +4 more
doaj   +1 more source