24小时热门版块排行榜    

北京石油化工学院2026年研究生招生接收调剂公告
查看: 525  |  回复: 2
本帖产生 1 个 翻译EPI ,点击这里进行查看
当前只显示满足指定条件的回帖,点击这里查看本话题的所有回帖

mas050518

银虫 (正式写手)

[求助] 求助帮忙中文翻译为英语,急!!!在线等

对甲基肉桂醛与三种蛋白质纤维的反应在pH=8时,在前2h的红外特征谱检测到席夫碱(C=N)1610cm-1由强到弱的伸缩振动,2h后基本消失了;反应在pH=7时,反应过程中基本没有检测到席夫碱的特征峰。依此得出对甲基肉桂醛与三种蛋白质纤维反应的最佳条件为:pH=8,T=30℃,t=120min
有我世界不一样
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖

mas050518

银虫 (正式写手)

引用回帖:
2楼: Originally posted by 生化道长 at 2012-04-13 20:01:37:
When the pH value of the reaction of methyl cinnamic aldehyde and three protein fibers was 8, Schiff base (C=N)1610cm-1 stretching-vibrated from strongly to weakly in the first 2h and after that  ...

感谢!!!
有我世界不一样
3楼2012-04-13 20:06:23
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
查看全部 3 个回答

生化道长

至尊木虫 (知名作家)

【答案】应助回帖

★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★
mas050518: 金币+30, 翻译EPI+1, ★★★很有帮助 2012-04-13 20:07:59
Mally89: 金币+1, 感谢应助!~欢迎常来!~好运!~\(^o^)/~ 2012-04-14 12:55:41
When the pH value of the reaction of methyl cinnamic aldehyde and three protein fibers was 8, Schiff base (C=N)1610cm-1 stretching-vibrated from strongly to weakly in the first 2h and after that disappeared, detected by characteristic infrared spectrum. When the pH value was 7, the characteristic peaks of Schiff base were not found during the reaction process. It is concluded that the optimum reaction conditions of methyl cinnamic aldehyde and three protein fibers are as follows: pH=8,T=30℃,t=120min
2楼2012-04-13 20:01:37
已阅   回复此楼   关注TA 给TA发消息 送TA红花 TA的回帖
最具人气热帖推荐 [查看全部] 作者 回/看 最后发表
[考研] 求调剂!生物与医药专硕 +4 逆转陆先生 2026-04-01 4/200 2026-04-02 11:51 by xiaoranmu
[考研] 271求调剂 +15 勒布朗@ 2026-03-31 20/1000 2026-04-02 11:24 by Sammy2
[考研] 【求调剂】新能源材料本科,一志愿211,初试321 +6 求调剂学校, 2026-04-02 6/300 2026-04-02 09:41 by 晴空210210
[考研] 318求调剂,计算材料方向 +7 吸喵有害笙命 2026-04-01 8/400 2026-04-01 23:54 by 义文wang
[考研] 085600,320分求调剂 +5 大馋小子 2026-04-01 6/300 2026-04-01 19:40 by 唐沐儿
[考研] 085600 一志愿9 总分351 求调剂学校 +7 czhcz 2026-03-31 9/450 2026-04-01 19:24 by 无际的草原
[考研] 353求调剂 +4 拉钩不许变 2026-04-01 4/200 2026-04-01 18:10 by 记事本2026
[考研] 一志愿北京科技大学085601材料工程英一数二初试总分335求调剂 +5 双马尾痞老板2 2026-03-31 5/250 2026-04-01 09:04 by oooqiao
[考研] 一志愿西交大080500材料学硕349 +6 jqx1258 2026-03-31 7/350 2026-03-31 21:08 by yuq
[考研] 318求调剂 +10 陈晨79 2026-03-30 10/500 2026-03-31 17:37 by 544594351
[考研] 340求调剂 +4 希望如此i 2026-03-31 4/200 2026-03-31 16:40 by 690616278
[考研] 343求调剂 +8 爱羁绊 2026-03-28 8/400 2026-03-31 16:12 by 不吃魚的貓
[考研] 0703化学 +20 妮妮ninicgb 2026-03-27 20/1000 2026-03-31 13:33 by 无际的草原
[考研] 081200-11408-276学硕求调剂 +4 崔wj 2026-03-31 4/200 2026-03-31 11:56 by jp9609
[考研] 313求调剂 +6 卖个关子吧 2026-03-31 6/300 2026-03-31 10:58 by Jaylen.
[考研] 085600材料与化工调剂 +16 kikiki7 2026-03-30 16/800 2026-03-31 10:03 by 氯化亚硝酰
[考研] 305求调剂 +8 RuiFairyrui 2026-03-28 8/400 2026-03-29 08:22 by fmesaito
[考研] 316求调剂 +7 江辞666 2026-03-26 7/350 2026-03-28 21:28 by sanrepian
[考研] 312,生物学求调剂 +3 小译同学abc 2026-03-28 3/150 2026-03-28 15:32 by 落睿可思
[考研] 352分 化工与材料 +5 海纳百川Ly 2026-03-27 5/250 2026-03-28 03:39 by fmesaito
信息提示
请填处理意见