Results 11 to 20 of about 2,825,475 (318)

Migration and Distribution Characteristics of Proppant at the Corner of Horizontal Fracture Network in Coal Seam

open access: yesFrontiers in Earth Science, 2021
A complex fracture network is composed of many similar structures. The migration law of proppant at each structure is the core and basic content of the migration law of proppant in complex fracture network, and there is little research.
Qingying Cheng   +6 more
doaj   +1 more source

Distribution characteristics of star ratings in online consumer reviews [PDF]

open access: yes, 2021
Purpose – The star rating summarises the review content and conveys the message faster than other review components. Star ratings influence helpfulness of the reviews, and extreme reviews are considered as less helpful in the decision process.
R. Venkatesakumar   +4 more
core   +1 more source

Investigation of groundwater characteristics and its influence on Landslides in Heifangtai Plateau using comprehensive geophysical methods

open access: yesJournal of Groundwater Science and Engineering, 2023
The occurrence of landslides in Heifangtai plateau is primarily caused by the rise in water levels due to irrigation. To accurately understand the distribution of groundwater and its impact on the landslide hazard, a combination of Electrical Resistivity
Feng-dan Yu   +3 more
doaj   +1 more source

Pathogens of patients with fever with rash syndrome in Gansu province, 2009 – 2019: a multiple correspondence analysis

open access: yesZhongguo gonggong weisheng, 2022
ObjectiveTo examine characteristics of pathogens identified among patients with fever and rash syndrome (RFIs) in Gansu province from 2009 to 2019, and to provide a reference for implementing targeted prevention measures and conducting pathogen ...
Jian-hui ZHOU, Lei MENG, Li-juan WANG
doaj   +1 more source

On the distribution of characteristic parameters of words II [PDF]

open access: yesRAIRO - Theoretical Informatics and Applications, 2002
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
CARPI, Arturo, de Luca A.
openaire   +7 more sources

Experimental Study on the Distribution Characteristics of CO2 in Methane Hydrate-Bearing Sediment during CH4/CO2 Replacement

open access: yesEnergies, 2022
CH4/CO2 replacement is of great significance for the exploitation of natural gas hydrate resources and CO2 storage. The feasibility of this method relies on our understanding of the CH4/CO2 replacement efficiency and mechanism.
Jianye Sun   +9 more
doaj   +1 more source

The Source and Distribution of Tetracycline Antibiotics in China: A Review

open access: yesToxics, 2023
In recent years, antibiotics have been listed as a new class of environmental pollutants. Tetracycline antibiotics (TCs) used in human medical treatment, animal husbandry and agricultural production are the most widely used antibiotics. Due to their wide
Donghao Chang   +4 more
doaj   +1 more source

Blockchain Mechanism and Distributional Characteristics of Cryptos [PDF]

open access: yesSSRN Electronic Journal, 2020
We investigate the relationship between underlying blockchain mechanism of cryptocurrencies and its distributional characteristics. In addition to price, we emphasise on using actual block size and block time as the operational features of cryptos.
Lin, Min-Bin   +3 more
openaire   +4 more sources

Environmental Risk Source Analysis and Classification of Zones: Subway Construction

open access: yesApplied Sciences, 2023
Examining the environmental risk sources of regional subway construction is crucial for ensuring construction safety and providing guidance for future subway line planning.
Yangchun Yuan   +5 more
doaj   +1 more source

Distribution characteristics and enrichment mechanism of TDS geothermal water in Xining Basin

open access: yes地质科技通报, 2022
The high concentration of TDS in most of the geothermal water in Xining Basin greatly restricted the availability of geothermal water.In order to provide reference value for the later development and utilization of geothermal resources, the enrichment ...
Hongli Sun, Guiling Wang, Wenjing Lin
doaj   +1 more source

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