| 查看: 884 | 回复: 5 | ||
[求助]
求助realkylation的意思
|
| 哪位大仙知道realkylation是什么意思 |
回复此楼» 猜你喜欢
梦想
已经有7人回复
-
学科评审组评审是指会评吗？
已经有4人回复
-
面上合作单位盖章
已经有8人回复
-
面上函评意见出来了，像什么等级？
已经有15人回复
-
为什么资助数各大高校都创新高，自己申请怎么就这么难
已经有14人回复
-
小白求助 投论文要求的highlights应该如何写
已经有4人回复
-
麻烦专家们看看评委们的意见（F口面上）
已经有12人回复
-
怎么看青基中了没有啊
已经有6人回复
-
国社科又开始会评了，不知道这次命运如何
已经有11人回复
-
有多少人是今天查系统知道结果的？
已经有19人回复
myIDname
木虫 (著名写手)
人民大会堂首席清洁工
- SFL-EPI: 17
- 应助: 143 (高中生)
- 贵宾: 0.295
- 金币: 1700.4
- 散金: 1020
- 红花: 30
- 沙发: 2
- 帖子: 2540
- 在线: 414.7小时
- 虫号: 1586017
- 注册: 2012-01-24
- 专业: 微/纳机械系统
【答案】应助回帖
★ ★
感谢参与，应助指数 +1
zhtear99: 金币+2, 热心好顾问呐，小红包一枚哈~ 2012-11-30 11:48:41
感谢参与，应助指数 +1
zhtear99: 金币+2, 热心好顾问呐，小红包一枚哈~ 2012-11-30 11:48:41
Realkylation=Re+alkylation? (Alkylation is the transfer of an alkyl group from one molecule to another. from wiki"alkylation" Here is a paper about "Dealkylation and Realkylation". It might be helpful.  a.pdf(520.46KB) http://kuai.xunlei.com/d/GAYQBVFCAXAS?p=130497 |
2楼2012-11-30 11:28:09
 |
3楼2012-11-30 12:07:27
茅塞顿开
至尊木虫 (文坛精英)
- 应助: 8 (幼儿园)
- 金币: 15737.9
- 散金: 170
- 红花: 28
- 帖子: 10352
- 在线: 587.2小时
- 虫号: 1243095
- 注册: 2011-03-23
- 专业: 合成药物化学
4楼2012-12-01 21:52:17
5楼2012-12-05 10:49:12
zjdaniel
金虫 (小有名气)
- 应助: 0 (幼儿园)
- 金币: 1258.4
- 红花: 2
- 帖子: 268
- 在线: 64小时
- 虫号: 680318
- 注册: 2008-12-23
- 性别: GG
- 专业: 环境工程
【答案】应助回帖
|
alkylation, in petroleum refining, chemical process in which light, gaseous hydrocarbons are combined to produce high-octane components of gasoline. The light hydrocarbons consist of olefins such as propylene and butylene and isoparaffins such as isobutane. These compounds are fed into a reactor, where, under the influence of a sulfuric-acid or hydrofluoric-acid catalyst, they combine to form a mixture of heavier hydrocarbons. The liquid fraction of this mixture, known as alkylate, consists mainly of isooctane, a compound that lends excellent antiknock characteristics to gasolines. Alkylation units were installed in petroleum refineries in the 1930s, but the process became especially important during World War II, when there was a great demand for aviation gasoline. It is now used in combination with fractional distillation, catalytic cracking, and isomerization to increase a refinery’s yield of automotive gasoline. |
6楼2012-12-06 16:24:21
20