Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Dimensionless mass of methane hydrate (mi/m0) vs. time with self-preservation (1–9 for the artificial gas hydrate; 10–11 for the coal particles): simulation 1–5; 1 – ∆T = 5 °C; 2a–10 °C (1 self-preservation section); 2b–10 °C (2 self-preservation section); 3–15 °C; 4–25 °C; 5–40 °C; experiment 6–9: 6 – ∆T = 10 °C; 7–15 °C; 8–25 °C; 9–40 °C; 10 – simulation for coal (∆T = 15 °C); 11–experiment for coal (∆T = 15 °C).
