forked from bai/curriculum-project-hub
sjfhsjfh
c73a2c903f
Real-content fixture for the end-to-end pipeline. TH-141 (39 parts: 22 segment, 15 lemma, 2 example) migrated from the prototype's typst `#let parts` manifest to ADR-0008: declarative manifest.toml (project+info+ordered parts+targets) + per-element element.toml (kind + scalars; examples carry `source`). Content .typ files copied byte-identical (no math corruption); per-element main.typ + meta.toml dropped (wiring is now generated). Part order matches source exactly; 5 lemmas have no proof.typ (optional); no cross-file imports / paralearn refs / figs. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
2 lines
427 B
Typst
2 lines
427 B
Typst
假设液体表面张力的存在可以全部归结为表面层内与液体内部每个粒子邻近粒子数目的不同，且表面层内粒子间距与液体内部相同。设表面层每个粒子邻近粒子数是液体内部的 $zeta$ 倍（$0 < zeta < 1$）。已知液体摩尔质量 $mu$、摩尔汽化热 $L_m$、质量密度 $rho$、阿伏伽德罗常量 $N_A$，导出液气界面张力系数 $sigma$ 的表达式。
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