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Major changes across backend, frontend, infrastructure: - Provider system with model selection (Google, DeepL, OpenAI, Ollama, Google Cloud) - Admin panel: user management, pricing, settings - Glossary system with CSV import/export - Subscription and tier quota management - Security hardening (rate limiting, API key auth, path traversal fixes) - Docker compose for dev, prod, and IONOS deployment - Alembic migrations for new tables - Frontend: dashboard, pricing page, landing page, i18n (en/fr) - Test suite and verification scripts Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
6 lines
814 B
Plaintext
6 lines
814 B
Plaintext
During a transformation thestate variablesof the systemvary, to reach another state of equilibrium. The transition from the equilibrium state (1) to the equilibrium state (2) generally takes placeout of balance.
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We then distinguish between (see Fig. 2.4):
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transformationsreversible(or ideal): these are infinitely slow transformations formed from a succession of equilibrium states
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transformationsirreversible: these are rapid and brutal transformations out of equilibrium
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Reversibilityof a transformation requires that the system passes through an infinity of different intermediate states few equilibrium states (quasi-static states). The transformationsnaturalspontaneous are irreversible: they can only evolve in one direction (e.g. the expansion of a gas from HP to LP, the flow of heat from HT to LV, etc.).
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