Shanghai Institute of Geological Survey

0.618, 0.382 and −1.618: Number-Theoretic Origins, Topological Significance and Vital Pulsation of the Golden-Section Ternary Anchors — Core Foundations of the Cosmic-Vital Ontology in Yuanxian Theory

The three core constants of the equation $x^{2}+x-1=0$ — the positive root $\delta=(\sqrt{5}-1)/2\approx 0.618$, $\delta^{2}\approx 0.382$, and the negative root $-\varphi=-(1+\sqrt{5})/2\approx -1.618$ — constitute, within Yuanxian Theory, a golden-section system that unifies ma...

Electrical conductivity models for bubble-bearing marine fine-grained sediments

Abstract Large sediment-displacing bubbles are widespread in seafloors and typically found in shallow and fine-grained sediments. These bubbles have significant environmental and engineering impacts. Acoustic methods are the most widely used geophysical investigation method for b...