| 2 | 1/1 | 返回列表 |
| 查看: 498 | 回復: 1 | ||
| 本帖產(chǎn)生 1 個 翻譯EPI ,點擊這里進行查看 | ||
NY_sky捐助貴賓 (著名寫手)
|
[求助]
一小段翻譯,求高手指點。
|
|
| 取5gA于400mL錐形瓶中,加入40mL的4mol/L NaOH溶液,于30℃恒溫水浴中堿化1h后,緩慢滴入20mLB溶液,反應3h,然后靜置lh。離心洗滌使其呈中性,最后用200mLC洗滌過濾,濾渣冷凍干燥后得D。 |

| Fetch 5g of A into 400ml conical flask, add 40mL of 4mol/L sodium hydroxide solution, after alkalized in 30℃ thermostat water bath for 1 hour, dropping 20mL of B slowly, reacted for 3 hours, then standing for 1 hour. Centrifuging and washing to makes it showed neutral, fianally filtering and washing with 200mL of C, after freezing and drying the filter residue, D was obtained. |
| 2 | 1/1 | 返回列表 |
| 最具人氣熱帖推薦 [查看全部] | 作者 | 回/看 | 最后發(fā)表 | |
|---|---|---|---|---|
|
[考研] 總分322求生物學/生化與分子/生物信息學相關(guān)調(diào)劑 +3 | 星沉uu 2026-03-26 | 4/200 |
|
|---|---|---|---|---|
|
[考研] 289求調(diào)劑 +17 | 碩星赴 2026-03-23 | 17/850 |
|
|
[考研] 0856調(diào)劑 +4 | 求求讓我有書讀?/a> 2026-03-26 | 5/250 |
|
|
[考研]
|
孅華 2026-03-22 | 10/500 |
|
|
[考研] 271求調(diào)劑 +5 | 生如夏花… 2026-03-22 | 5/250 |
|
|
[考研] 材料277求調(diào)劑 +5 | min3 2026-03-24 | 5/250 |
|
|
[考研] 0856求調(diào)劑 +8 | zhn03 2026-03-25 | 9/450 |
|
|
[考研] 打過很多競賽,085406控制工程300分,求調(diào)劑 +3 | askeladz 2026-03-26 | 3/150 |
|
|
[考研] 359求調(diào)劑 +3 | 王了個楠 2026-03-25 | 3/150 |
|
|
[考研] 07化學280分求調(diào)劑 +7 | 722865 2026-03-23 | 7/350 |
|
|
[考研] 化學調(diào)劑 +6 | yzysaa 2026-03-21 | 6/300 |
|
|
[考研] 材料專碩331求調(diào)劑 +4 | 鮮當牛 2026-03-24 | 4/200 |
|
|
[考研] 一志愿北京化工大學 070300 學碩 336分 求調(diào)劑 +7 | vv迷 2026-03-22 | 7/350 |
|
|
[考研]
|
2117205181 2026-03-21 | 8/400 |
|
|
[考研] 一志愿中南化學(0703)總分337求調(diào)劑 +9 | niko- 2026-03-19 | 10/500 |
|
|
[考研] 319求調(diào)劑 +4 | 小力氣珂珂 2026-03-20 | 4/200 |
|
|
[考研] 求調(diào)劑 +3 | 13341 2026-03-20 | 3/150 |
|
|
[考研] 求調(diào)劑 +3 | .m.. 2026-03-21 | 4/200 |
|
|
[考研] 330求調(diào)劑0854 +3 | assdll 2026-03-21 | 3/150 |
|
|
[考研] 一志愿西南交通 專碩 材料355 本科雙非 求調(diào)劑 +5 | 西南交通專材355 2026-03-19 | 5/250 |
|