| 2 | 1/1 | 返回列表 |
| 查看: 500 | 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] 張芳銘-中國農(nóng)業(yè)大學-環(huán)境工程專碩-298 +3 | 手機用戶 2026-03-26 | 3/150 |
|
|---|---|---|---|---|
|
[考研] 070300化學求調劑 +4 | 起個名咋這么難 2026-03-27 | 4/200 |
|
|
[考研] 277跪求調劑 +5 | 1915668 2026-03-27 | 8/400 |
|
|
[考研] 一志愿哈爾濱工業(yè)大學材料與化工方向336分 +4 | 辰沐5211314 2026-03-26 | 4/200 |
|
|
[考研] 274求調劑 +17 | 顧九笙要謙虛 2026-03-24 | 23/1150 |
|
|
[考研] 305求調劑 +5 | 哇盧卡庫 2026-03-26 | 5/250 |
|
|
[考研] 311求調劑 +7 | lin0039 2026-03-26 | 7/350 |
|
|
[考研] 22408 359分調劑 +3 | Qshers 2026-03-27 | 3/150 |
|
|
[考研] 298調劑 +3 | jiyingjie123 2026-03-27 | 3/150 |
|
|
[考研] 求調劑,一志愿 南京航空航天大學大學 ,080500材料科學與工程學碩 +4 | @taotao 2026-03-26 | 5/250 |
|
|
[考研] 071000生物學求調劑,初試成績343 +6 | 小小甜面團 2026-03-25 | 6/300 |
|
|
[考研] 334分 一志愿武理 材料求調劑 +4 | 李李不服輸 2026-03-26 | 4/200 |
|
|
[考研] 263求調劑 +6 | yqdszhdap- 2026-03-22 | 10/500 |
|
|
[考研] 求調劑 +3 | QiMing7 2026-03-25 | 3/150 |
|
|
[考研] 0854電子信息求調劑 +7 | α____ 2026-03-22 | 9/450 |
|
|
[考研] 293求調劑 +7 | 加一一九 2026-03-24 | 7/350 |
|
|
[考研] 一志愿南航材料專317分求調劑 +5 | 炸呀炸呀炸薯條 2026-03-23 | 5/250 |
|
|
[考研] 328求調劑 +4 | LHHL66 2026-03-23 | 4/200 |
|
|
[考研] 293求調劑 +3 | 濤濤Wjt 2026-03-22 | 5/250 |
|
|
[考研] 求調劑一志愿海大,0703化學學碩304分,有大創(chuàng)項目,四級已過 +6 | 幸運哩哩 2026-03-22 | 10/500 |
|