Results 31 to 40 of about 643,576 (312)

Erosion-induced CO2 flux of small watersheds [PDF]

open access: yes, 2012
Soil erosion not only results in severe ecological damage, but also interferes with soil organic carbon formation and decomposition, influencing the global green-house effect. However, there is controversy as to whether a typical small watershed presumed
Borthwick, Alistair G. L.   +5 more
core   +1 more source

Numerical Simulation on Erosion Wear of Flat Oval Elbow

open access: yesShiyou jixie, 2022
In order to study the erosion wear characteristics of sand-containing gas on elbow during natural gas transportation and improve the wear resistance of the elbow, on the basis of fully analyzing the fluid erosion characteristics of circular pipe, a flat ...
Mo Li, Guo Zhengxing
doaj  

Erosion–corrosion behavior of X65 carbon steel in oilfield formation water

open access: yesInternational Journal of Electrochemical Science, 2019
Erosion–corrosion behavior of an X65 steel reducer in oilfield formation water containing quartz sand particles was investigated using circulating loop system and scanning electron microscopy (SEM).
Jingbo Liu, Jihui Wang, Wenbin Hu
doaj   +1 more source

Erosion Risk Analysis and Optimization of Sand Control Screen in A Deep-water Gas Field in the South China Sea

open access: yesShiyou jixie, 2022
The erosion and selection of deep-water sand control screen are related to the subsequent safe and efficient development of gas field.In order to study the erosion and selection of screen with small size sand particles passing through gravel layers ...
Qiu Hao   +6 more
doaj  

Increased erosion rates due to uplift and glacial erosion [PDF]

open access: yesEos, Transactions American Geophysical Union, 2014
Around the world, geologists have found overwhelming evidence that starting about 5 million years ago, erosion rates began to increase. Geoscientists, puzzled about the cause of this increase, are specifically debating whether it is due to climate change or an increase in rock uplift as the Earth's topography evolved.
openaire   +1 more source

Synthetic versus biological mesh-related erosion after laparoscopic ventral mesh rectopexy. A systematic review [PDF]

open access: yes, 2017
Purpose: This review reports the incidence of mesh-related erosion after ventral mesh rectopexy to determine whether any difference exists in the erosion rate between synthetic and biological mesh. Methods: A systematic search of the MEDLINE and the Ovid
Balla, Andrea   +5 more
core   +1 more source

Rapid Estimation of Soil Erosion Rate from Exhumed Roots (Xiaolong Mts, China)

open access: yesLand
Soil erosion is a challenge worldwide, including in China. The dendrogeomorphic method was applied, for the first time, at Xiaolong Mts in Gansu Province to obtain a quantitative estimate of the soil erosion rate.
Miklós Kázmér   +3 more
doaj   +1 more source

Morphological and pharmacokinetic properties of oral solid dietary supplements containing plant extracts

open access: yesHerba Polonica, 2016
Introduction: Dietary supplements are a good way to supplement the deficiency of certain micronutrients and organic components (therapeutic agents) in human body. They are most often available in concentrated form as tablets, capsules, powder or liquid.
Głogowski Adrian   +5 more
doaj   +1 more source

Estimation of Erosion Potentials through Utilization of Remote Sensing Data and The Universal Soil Loss Equation Model

open access: yesJurnal Teknik Pertanian Lampung, 2023
Remote sensing data and USLE models have been used widely for erosion analysis. In Indonesia, the USLE model is a reference in erosion analysis to assess land suitability for agricultural crop development.
Arif Faisol, Mashudi Mashudi
doaj   +1 more source

Sensors measure surface ablation rate of reentry vehicle heat shield [PDF]

open access: yes, 1966
Sensors measure surface erosion rate of ablating material in reentry vehicle heat shield. Each sensor, which is placed at precise depths in the heat shield is activated when the ablator surface erodes to the location of a sensing point.
Russel, J. M., III
core   +1 more source

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