ester
US
・UK
C1
n.NounCompound of acid and alcohol with water taken out
You'll find that ester is a component of many cosmetics
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Polysaccharide
- Acidic polysaccharides: Acidic polysaccharides are polysaccharides that contain carboxyl groups, phosphate groups and/or sulfuric ester groups.
Acidic polysaccharides: Acidic polysaccharides are polysaccharides that contain carboxyl groups, phosphate groups and/or sulfuric ester groups.
- that contain carboxyl groups, phosphate groups and/or sulfuric ester groups.
that contain carboxyl groups, phosphate groups and/or sulfuric ester groups.
Leaving a message on the phone - English Conversation Tutorials - Telephone English
- Hi there, Lynn! This is Ester. I’ve been calling you for over an hour.
Hi there, Lynn! This is Ester. I’ve been calling you for over an hour.
- Hi there, Lynn! This is Ester.
Hi there, Lynn! This is Ester.
A Conversation with Elon Musk
- Where's Ester?
Where's Ester?
美國卡車休息站 【英字 available】(歷史頻道)
- And now it's turned a nice clear color, which means that most of the glycerin has separated from the methyl ester chains.
And now it's turned a nice clear color, which means that most of the glycerin has separated from the methyl ester chains.
- The three bonds of the glycerol molecule break off due to this interaction, resulting in three long methyl ester chains, or biodiesel.
The three bonds of the glycerol molecule break off due to this interaction, resulting in three long methyl ester chains, or biodiesel.
ドウェイン・ウェイドだけど「バスケについて」質問ある？ | Tech Support | WIRED Japan
- I cannot tell you, Ester, how to get in the zone,
I cannot tell you, Ester, how to get in the zone,
Choose Impact Over Ambition | Novonesis CEO Ester Baiget
- In 2019, Ester Baiget made a decision that would change the course of her career.
In 2019, Ester Baiget made a decision that would change the course of her career.
- These are Ester Baiget's executive decisions.
These are Ester Baiget's executive decisions.
The Dangerous Chemicals In Your Plastic Packages
- The BPA molecules that make up plastic are bound together by what's called an ester bond, which is extremely sensitive to heat.
The BPA molecules that make up plastic are bound together by what's called an ester bond, which is extremely sensitive to heat.
IR Spectroscopy
- Now, this may vary depending on whether it is a carbonyl from an aldehyde, ketone, ester, amide, or what have you.
Now, this may vary depending on whether it is a carbonyl from an aldehyde, ketone, ester, amide, or what have you.
Reactions of Beta-Dicarbonyl Compounds
- So when we learned about clayson condensation, we saw that we could take an ester substrate and produce a beta-dicarbonyl compound.
So when we learned about clayson condensation, we saw that we could take an ester substrate and produce a beta-dicarbonyl compound.
- Say, from a two-carbon ester.
Say, from a two-carbon ester.
Claisen Condensation and Dieckmann Condensation
- And so, uh, here the key thing that we want to see right off the bat is that whereas aldol condensation was operating on aldehyde or ketone substrates, here we are working with an ester substrate, okay?
And so, uh, here the key thing that we want to see right off the bat is that whereas aldol condensation was operating on aldehyde or ketone substrates, here we are working with an ester substrate, okay?
- So once again, an ester, if we recall, that is, uh, an ester group is a carbon conn that is a, uh, a carbonyl connected to OR.
So once again, an ester, if we recall, that is, uh, an ester group is a carbon conn that is a, uh, a carbonyl connected to OR.