BORON CONCENTRATION IN HUMIC AND FULVIC ACID EXTRACTS OF SOIL EPIPEDON IN SAN VITALE PINEWOOD (RAVENNA, ITALY)

BORON CONCENTRATION IN HUMIC AND FULVIC ACID EXTRACTS OF SOIL EPIPEDON IN SAN VITALE PINEWOOD (RAVENNA, ITALY)

Humified Soil Organic Matter (SOM) plays a crucial role in the assessment of soil quality since it makes up a significant part of the total organic carbon and nitrogen in soils.High concentrations of humic and fulvic acids may be presents in soils and subordinately in sediments.These substances can potentially act as a significant reservoir of adso

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Impact Analysis of Connecting Passage Shield Method Construction on Interval Shield Tunnel in High-confined Aquifer Soft Soil Area

Objective During the construction of shield method connecting passage, the jacking and cutting actions cause significant changes in the stress at tunnel intersection, exacerbating the impact of breakthroughs and reducing safety performance.To efficiently achieve construction control, it is necessary to conduct an in-depth study of the stress charac

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