| Breakdown of Energy Possessed by Substance (Law of Increasing Entropy) | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=358 | Course '物質が持つエネルギーの内訳（エントロピー増大の法則）' |
| Breakdown of Energy Possessed by Substance (Entropy and Thermodynamic Functions) | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=359 | Course '物質が持つエネルギーの内訳（エントロピーと熱力学関数）' |
| Breakdown of Energy Possessed by Substance (Entropy and Internal Energy) | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=360 | Course '物質が持つエネルギーの内訳（エントロピーと内部エネルギー）' |
| Breakdown of Energy Possessed by Substances (Changes before and after chemical reactions) | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=361 | Course '物質が持つエネルギーの内訳（化学反応前後の変化）' |
| Derive a conditional equation for chemical equilibrium | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=362 | Course '化学平衡の条件式を導く' |
| Significant figures (introduction) | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=368 | Course '有効数字（はじめに）' |
| Calculation of Addition, Subtraction, Multiplication, and Division with Significant Figures (Simplified Rules) | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=369 | Course '有効数字を含む加減・乗除の計算（簡易ルール）' |
| Significant figures (simple rule application problems) | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=370 | Course '有効数字（簡易ルールの応用問題）' |
| Chromatography (ion exchange resin) | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=371 | Course 'クロマトグラフィー（イオン交換樹脂）' |
| Ion chromatography | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=372 | Course 'イオンクロマトグラフィー' |
| Gas chromatography | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=373 | Course 'ガスクロマトグラフィー' |
| Significant figures (error propagation - official version - basic edition) | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=374 | Course '有効数字（誤差の伝搬―正式版―基礎編）' |
| Significant figures (error propagation - official version - applied problems) | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=375 | Course '有効数字（誤差の伝搬ー正式版―応用問題）' |
| Coprecipitation and iron coprecipitation | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=377 | Course '共同沈殿と鉄共沈' |
| Sensitivity improvement method (concentration of gas components) | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=378 | Course '感度アップの方法（ガス成分の濃縮）' |
| Training of Marine Ecology 4: Behavioral Observations of Marine Mammals | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=380 | Course '海洋生態学実習 4: 海生哺乳類の行動観察' |
| How to use pipettes (must be followed) | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=381 | Course 'ピペットの使い方（必ず守ること）' |
| How to use a pipette (tips for correct use) | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=382 | Course 'ピペットの使い方（正しく使うコツ）' |
| Adjust the standard sample using a precision electronic balance | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=383 | Course '精密電子天秤を使って標準試料を調整' |
| Dissolved oxygen measurement (water sampling procedure and titration procedure) | Japanese | https://repun-app.fish.hokudai.ac.jp/course/view.php?id=384 | Course '溶存酸素測定（採水手順と滴定手順）' |
