English
全部
图片
视频
地图
资讯
购物
更多
航班
旅游
酒店
搜索
笔记本
报告不当内容
请选择下列任一选项。
无关
低俗内容
成人
儿童性侵犯
时长
全部
短(小于 5 分钟)
中(5-20 分钟)
长(大于 20 分钟)
日期
全部
过去 24 小时
过去一周
过去一个月
去年
清晰度
全部
低于 360p
360p 或更高
480p 或更高
720p 或更高
1080p 或更高
源
全部
Dailymotion
Vimeo
Metacafe
Hulu
VEVO
Myspace
MTV
CBS
Fox
CNN
MSN
价格
全部
免费
付费
重置
安全搜索:
中等
严格
中等(默认)
关闭
筛选器
最匹配的结果
4 4 Dimethoxy 2 Butanone
4 个月之前
indiamart.com
0:51
OUAIS PRESSION DE LOVE SUR NOUS EN... - Best flow Ivoire
已浏览 31.4万 次
3 个月之前
Facebook
Best flow Ivoire
0:16
Project Noah Coordination Meeting | Brgy. Townsite, 30 September 2024 #1Bataan #YesMarivles #MarivelesMunaMarivelesUna #TatakKuyaAJ | Kuya AJ Concepcion
已浏览 2302 次
4 个月之前
Facebook
Kuya AJ Concepcion
HBF4 with benzene diazonium chloride ion... | Filo
1 个月前
askfilo.com
Ethylbenzene is generally prepared by acetylation of benzene followed by reduction and not by direct alkylation. Think of a possible reason. - Chemistry | Shaalaa.com
4 个月之前
shaalaa.com
1:31
The #GaneshImmersion went on smoothly across the state, with all necessary arrangements in place for a safe event. Under the guidance of the Hon'ble Chief Minister @revanth_anumula, an aerial survey was conducted to oversee the arrangements. Coordination between departments ensured a seamless process. The #TelanganaPolice, along with @hydcitypolice, @cyberabadpolice, and @RachakondaCop, followed pre-planned routes to ensure safety. We all participated with devotion while maintaining peace and ha
已浏览 95 次
4 个月之前
Facebook
Being Hindustani
SOLVED: Preparation of 1,4-di-t-Butyl-2,5-Dimethoxy BenzeneIn this experiment, we were going to substitute an aromatic compound through an acid-catalyzed Friedel-Crafts alkylation reaction. Answer the questions below based on the video and your class notes.Describe the safety hazards associated with the chemicals in this experiment. Describe how the sulfuric acid catalyzes the reaction. Don't just say it makes it go faster. Describe in chemical terms what happens. Would the rate of the reaction
2021年9月29日
numerade.com
there are 2 mols of t butanol t butanol 10ml 6g of 14 dimethoxy benzene the mole ratio of 14 dimethoxybenzene to t butanol is 12 the experimental yield of the product is 53526g which is 14 d 44296
2022年12月25日
numerade.com
37:05
The Itsy Bitsy Spider | Fun Kids Song | Nursery Rhymes & Kids Songs
已浏览 112 次
2 周前
YouTube
Zee Boo
How can the following conversions be brought about :(i) Benzene to benzene diazonium chloride.
2020年8月29日
toppr.com
Devise a synthesis of dimethoxy- and dihydroxy-1,2-cyclobutened... | Filo
3 个月之前
askfilo.com
3:52
Benzene Derivatives | Substituted Benzene Compounds | Nomenclature |
已浏览 2.5万 次
2018年9月28日
byjus.com
[Hot Item] Photoinitiator Bdk 2, 2-Dimethoxy-2-Phenylacetophenone CAS 24650-42-8
4 个月之前
made-in-china.com
Resonance Structure of Benzene
已浏览 3.1万 次
2012年10月3日
dnatube.com
3:17
Incendie de Mare-Chicose : État des lieux et prévisions
已浏览 1.3万 次
2 个月之前
TikTok
ion.news
Photoinitiator BDK 22-dimethoxy-12-diacetophenone CAS 24650-42-8
已浏览 1 次
2 周前
alibaba.com
[Hot Item] Lt-602 N- (2-aminoethyl) -3-Aminopropylmethyl- ジメトキシシラン
4 个月之前
made-in-china.com
What is benzene iodination? - TimesMojo
2022年7月19日
timesmojo.com
[Hot Item] Light Curing Agent 2, 2-Dimethoxy-2-Phenylacetophenone with 99% Purity Photoinitiator Bdk CAS 24650-42-8
2 个月之前
made-in-china.com
0:08
Matching Mom and Baby Bracelets by David Yurman
已浏览 32.3万 次
3 个月之前
TikTok
maudecpion
0:06
Understanding Catfishing on Pinterest: A Personal Story
已浏览 900万 次
1 周前
TikTok
theofficialkillion
SOLVED:Devise a synthesis of each compound from benzene.
2019年11月6日
numerade.com
0:15
@Willy Snappy🥇 @Jxnior Montana ❤️
已浏览 220 次
1 个月前
TikTok
pressioncanadien1
2:49
Ardennes Actus - 🔵ARDENNES🔵 LE COUP DE PRESSION DES...
已浏览 3.3万 次
2 个月之前
Facebook
Ardennes Actus
JoVE | Peer Reviewed Scientific Video Journal - Methods and Protocols
1 个月前
jove.com
[Hot Item] Good Supply Universal Reagent 2, 5-Dimethoxy-Beta-Nitrostyrene for Intermediates CAS 40276-11-7
4 个月之前
made-in-china.com
[Hot Item] Dimethoxy (methyl) Octylsilane; Octylmethyldimethoxysilane 85712-15-8
6 个月之前
made-in-china.com
SOLVED:Indicate whether each statement is true or false: ( a) NaCl dissolves in water but not in benzene (C6 H6) because benzene is denser than water. (b) NaCl dissolves in water but not in benzene because water has a large dipole moment and benzene has zero dipole moment. (c) NaCl dissolves in water but not in benzene because the water-ion interactions are stronger than benzene-ion interactions.
2021年4月15日
numerade.com
SOLVED:Write the products of diazo coupling of benzenediazonium chloride with each of the following molecules. (a) Methoxybenzene; (b) 1 -chloro-3-methoxybenzene; (c) 1 -(dimethylamino)-4(1,1-dimethylethyl)benzene. (Hint: Diazo couplings are quite sensitive to steric effects.)
2021年6月29日
numerade.com
[Hot Item] Photoinitiator Bdk CAS 24650-42-8 2, 2-Dimethoxy-2-Phenylacetophenone
4 个月之前
made-in-china.com
观看更多视频
反馈