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Ground Control Method of Using Roof Cutting Pressure Release and Energy-Absorbing Reinforcement for Roadway with Extra-Thick Hard Roof
Coal mining in the western region of China is often faced with extra-thick coal seams and extra-thick hard roof, where the roof is difficult to...
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Application and Effect of Water Lock Release Technology in Sulige Gas Field
The water lock effect is a common problem in the development process of gas fields, mainly manifested as a decrease in gas phase permeability after...
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Energy Evolution and Brittleness Analysis of Sandstone Under Confining Pressure Unloading
Excavation and unloading operations in underground rock engineering can cause strong disturbances to the original in situ stress, potentially leading...
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Pore-Scale and Upscaled Investigations of Release and Transport of Lithium in Organic-Rich Shales
To meet the extensive demand for lithium (Li) for rechargeable batteries, it is crucial to enhance Li production by diversifying its resources....
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Discovering High-Pressure and High-Temperature Minerals
Defining high-pressure (P) and high-temperature (T) minerals beyond vague conventions requires robust criteria. The conjunction of mineralogy and...
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Effects of Volatiles at High Pressure
Melting temperatures are lowered dramatically when H2O is added under pressure to a system of anhydrous silicate crystals. This is because a silicate...
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Model test research and application on control method of cooperative pressure relief by directional roof cutting for roadways with strong dynamic pressure
To solve control problem of roadways with huge thick roof under the environment of strong dynamic pressure in coal mines, the causes of strong mine...
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Early release of H2O during subduction of carbonated ultramafic lithologies
To investigate the effect of carbon-bearing phases on the release of fluids in subducted serpentinites, we performed high-pressure multi-anvil...
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Energy Evolution Characteristics of Sandstones During Confining Pressure Cyclic Unloading Conditions
Periodical cyclic loads are often sustained in actual engineering. In this paper, the mechanical properties, energy density parameters...
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Modeling of Coalbed Gas Pressure/Content Identification Using Image Analysis
Coalbed gas pressure and content are fundamental parameters for mine gas recovery and disaster prevention. In response to the lengthy measurement...
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Study on the Pressure Performance of Soluble Bridge Plug Metal Sealing Ring
Aiming at the problem that a new type of all metal soluble bridge plug metal sealing ring is not tightly sealed, resulting in the overall pressure...
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Structure evolution of hydroxyapophyllite-(K) under high pressure
The high-pressure structural evolution of a natural hydroxyapophyllite-(K) K 0.96 Ca 4.01 [Al 0.01 Si 7.99 O 20 ]((OH) 0.95 F 0.05 )·(H 2 O) 8.14 , Z = 2, a = 8.9699(1...
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Nutrient release from biodegradable polymer-coated multi-nutrient fertilizer granules in calcareous soils
The use of conventional fertilizers is associated with higher nutrient losses and lesser fertilizer use efficiency; hence, to increase the use...
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Newly detected shock-induced high-pressure phases formed in amphibolite clasts of the suevite breccia (Ries impact crater, Germany): Liebermannite, kokchetavite, and other ultrahigh-pressure phases
Amphibolite clasts in the suevite of the Ries impact crater contain shock-induced melt veins (SMVs) with high-pressure phases such as majoritic...
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Synthesis and modification of slow-release fertilizers for sustainable agriculture and environment: a review
The ever-increasing population has pressurized the world to increase food production, which consequently resulted in intensive production and...
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Application of downhole throttling technology to mitigate sustained casing pressure
Sustained casing pressure (SCP) and/or annular pressure build-up (APB) can pose severe threats to the safe operation of high-pressure,...
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Experimental and Modeling Study of NO and NO2 Storage and Release Characteristics of a Diesel-Cold Start Catalyst
A 2013 6.7L Cummins ISB (209 kW) diesel engine was used to quantify the NO, NO 2 , and NOx storage and release performance of the diesel cold start...
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Experiment and analysis of the formation, expansion and dissipation of gasbag in fine sediments based on pore water pressure survey
Deep-seated gas in seabed sediments migrates upwards from effect of external factors, which easily accumulates to form gasbags at interface of...
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Numerical Study on Evolution Mechanism of Cut Blasting and Cavity Formation Under Confining Pressure
Cut blasting is a key step in the drill and blast method. In underground engineering, confining pressure has a significant influence on the cut...
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Numerical Simulation Study on Pressure-Relief Effect of Protective Layer Mining in Coal Seams Prone to Rockburst Hazard
Protective layer mining is an important regional measure to reduce pressure and prevent rockburst. Based on the engineering background of frequent...
