Results 31 to 40 of about 75,431 (87)

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

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

Method and verification of strength determination for dense filling coal mining filling body in comprehensive mechanized unit

Meitan kexue jishu
The comprehensive mechanized unit dense filling coal mining technology combines the functions of rock movement control and solid waste disposal, and has advantages such as parallel mining and filling, flexible process, and low investment.
Pengliang LIU, Xiaoqing WANG
doaj   +1 more source

Study on diffusion law of inclined fracture grouting based on slurry diffusion radiation angle

Meitan kexue jishu
Grouting reinforcement is the main means to seal cracks and repair rock mass. It is very important for the design and practice of grouting parameters to clarify the grouting diffusion law of inclined cracks in horizontal grouting holes of surrounding ...
Lianghuan YAN, Jucai CHANG, Longquan QIAO, Chao QI, Hongda WANG, Junru ZHAO   +5 more
doaj   +1 more source

Prediction method of surface deformation around soft base dump based on viscoelastic theory

Meitan kexue jishu
Addressing the challenge of surrounding surface deformation induced by soil discharge field pile loads in weak substrates, this study delves into the mechanisms and impacts of such deformations extensively, drawing from the theory of laminar elastic ...
Dong WANG, Li YIN, Lanzhu CAO, Yiming FU, Liguo ZHANG, Chunhui ZHANG, Chunjian DING   +6 more
doaj   +1 more source