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
Phthalic acid - Alchetron, The Free Social Encyclopedia
2015年1月26日
alchetron.com
SOLVED: A 0.100 gram sample of phthalic acid was dissolved in 100 mL of water. When 25 of diethyl ether was used to extract the phthalic acid, 0.042 grams of phthalic acid re recovered. What is the distribution coefficient for this extraction Kp?
2023年5月1日
numerade.com
Phthalic Anhydride Manufacturers & Suppliers in India
2016年12月25日
indiamart.com
2:55
Synthesis of Anthranilic Acid from Phthalic Anhydride - Labmonk
2018年7月31日
labmonk.com
4:00
20. SOCl2⟶⟶NH3NH2 final product is: Phthalic acid... | Filo
已浏览 5972 次
2022年11月25日
askfilo.com
Phthalic Acid Ester-Binding DNA Aptamer Selection, Characterization, and Application to an Electrochemical Aptasensor
已浏览 9697 次
2018年3月21日
jove.com
[Hot Item] Potassium Hydrogen Phthalate CAS 877-24-7 Phthalic Acid Monopotassium Salt
10 个月之前
made-in-china.com
[Hot Item] Top Grade Phthalic Acid CAS 88-99-3 for Chemicals Cosmetics Pharaceuticals
6 个月之前
made-in-china.com
9:33
$
Phthalic Acid Ester-Binding DNA Aptamer Selection, Characterization, and Application to an Electrochemical Aptasensor
已浏览 8332 次
2020年7月27日
jove.com
[Hot Item] High Quality Phthalic Acid with CAS No 88-99-3 for Pharmaceuticals Electronics
6 个月之前
made-in-china.com
[Hot Item] Phthal Aldehyde /Opa / 1, 2-Phthalic Acid Di Carboxaldehyde / O-Phthal Aldehyde CAS 643-79-8
9 个月之前
made-in-china.com
O=C(O)c1ccccc1C(=O)OBenzene-1, 2-dicarboxylic acid(Phthalic a... | Filo
1 个月前
askfilo.com
A compound X is obtained by the reaction of alkaline KMnO3 with another compound Y followed by acidification. Compound X also reacts with compound Y in presence of few drops of H2SO4 to form a sweet smelling compound Z. The compound X, Y and Z are respectively.
2020年9月10日
toppr.com
[Hot Item] Main Electrical Insulating Material-Phthalic Acid Dianhydride
4 个月之前
made-in-china.com
[Hot Item] Hot Sale CAS No: 100-21-0 202-830-0 C8h6o4 Pta Terephthalic Acid/P-Phthalic Acid/Phthalic Acid/Purified Terephthalic with Best Price
9 个月之前
made-in-china.com
[Hot Item] Anatase Type/White Powder/Paint/Dioxide Phthalic Acid/White Pigment/Titanium Dioxide
2021年11月3日
made-in-china.com
[Hot Item] Industrial Grade Plasticizer Purified Terephthalic Acid P-Phthalic Acid
5 个月之前
made-in-china.com
(a) Nomex®, a strong fire-resistant fabric , is a polyamide made from meta-phthalic acid and meta-diaminobenzene. Draw the structure of Nomex®. (b) Kevlar®, made from terephthalic acid (para-phthalic acid) andpara-diaminobenzene, is used in making tire cord and bulletproof vests. Draw the structure of Kevlar®. | Numerade
7 个月之前
numerade.com
[Hot Item] China Brand PTA Pure Terephthalic Acid (CAS No: 100-21-0) P-Phthalic Acid/Terephthalic Acid
3 个月之前
made-in-china.com
[Hot Item] Wholesale High Quality CAS No: 100-21-0 Pta Terephthalic Acid P-Phthalic Acid
4 个月之前
made-in-china.com
1:30
Preparation of Phthalic Acids - Phthalic, Isophthalic, Terephthalic Acids Preparing
2018年5月31日
chemistryscl.com
3:08
Synthesis of fluorescein from resorcinol and phthalic anhydride - Labmonk
2018年7月31日
labmonk.com
Polyacrylic acid - Alchetron, The Free Social Encyclopedia
2014年9月26日
alchetron.com
[Hot Item] P-Phthalic Acid C8h6o4 202-830-0 CAS 100-21-0 Terephthalic Acid
4 个月之前
made-in-china.com
Picric acid - Alchetron, The Free Social Encyclopedia
2015年11月11日
alchetron.com
Phosphoric acid - Alchetron, The Free Social Encyclopedia
2014年1月7日
alchetron.com
By aerial oxidation, which one of the following gives phthalic acid?(a) benzene (b) naphthalene (c) toluene (d) mesitylene | Numerade
2021年6月8日
numerade.com
Polylactic Acid or Polylactide (PLA)
2016年4月18日
bioplasticsnews.com
pthalic acid on reaction with sodamide gives... | Filo
2023年12月28日
askfilo.com
SOLVED:Phenolphthalein has a pKa of 9.7 . It is colorless in its acid form and pink in its basic form. For each of the pH's, calculate [In^-] /[HIn] and predict the color of a phenolphthalein solution. a. pH=2.0 b. pH=5.0 c. pH=8.0 d. pH=11.0
2020年3月29日
numerade.com
观看更多视频
反馈