hydroxyl group
hydroxylgruppe
hydroxyl radical
hydroxyl frie radikal
hydroxyl value
hydroxylværdi
phenolic hydroxyl
fænoliske hydroxyl
Methane reacts with hydroxyl to produce formaldehyde.
Metan reagerer med hydroxyl for at producere formaldehyd.
The hydroxyl value analysis of acrylate-styrene copolymcr solution by usillg acetylchloride as an acetylating agent is discussed.
Analysen af hydroxylværdien for akrylat-styren-copolymærløsning ved hjælp af acetylchlorid som acetyleringsmiddel er diskuteret.
Glycolipids (glycosyldiacylglycerols) are diacylglycerols with a sugar attached to the unesterified hydroxyl group.
Glykolipider (glycosyldiacylglyceroler) er diacylglyceroler med et sukker bundet til den umættede hydroxylgruppe.
METHODS The hydroxyl groups of magnolol were protected using ketol reaction and the products were purified by recrystallization from hexane.
METODER Hydroxylgrupperne i magnolol blev beskyttet ved hjælp af ketolreaktion, og produkterne blev renset ved rekrystallisering fra hexan.
The results show that, after thermal treatment, the quinonoid structure is formed and the conjugated carboxide and phenolic hydroxyl are increased;
Resultaterne viser, at der efter varmebehandling dannes en quinonoidstruktur, og at den konjugerede carboxyd og den fenoliske hydroxyl stiger;
In this paper, synthesis of salidroside was reported starting from 4 hydroxyl phenylacetic acid through benzylation, esterification, reduction and glycosidation.
I denne artikel rapporteres der om syntesen af salidrosid, der starter fra 4-hydroxyphenyleddikesyre gennem benzylering, esterificering, reduktion og glycosidering.
Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.
Acetyleringen af hydroxylgrupper i methylcholicat er blevet bestemt ved hjælp af methacryloylchlorid, methacryloylanhydrid og methacrylsyre som acetyleringsmidler.
hydroxyl ketene dithioacetals possessing an allylalcohol moiety, as well as terminal bisalkylthio substituted alkene are a class of important intermediates in organic synthesis.
hydroxyl keten dithioacetaler med en allylalcohol-gruppe, samt terminale bisalkylthio-substituerede alkener er en klasse af vigtige mellemprodukter i organisk syntese.
The ring-opening polymerization mechanism of lactide in the presence of hydroxyl compounds was studied by using ferric ethoxide and ferric n-butoxide as catalysts respectively.
Ringåbningspolymeriseringsmekanismen for lactid i nærvær af hydroxylforbindelser blev undersøgt ved hjælp af ferrisk ethoxid og ferrisk n-butoxid som katalysatorer.
The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent.
Hydroksylværdien af epoxyholdig polyester blev bestemt ved at analysere acetificeringsprincippet og bruge acetylchlorid som acetificeringsmiddel og methylenchlorid som opløsningsmiddel.
Analysing the relationship between substitutes, crosslinking structure and excited state,it was found that amidocyanogen and hydroxyl can reduce the bad gap, especially amidocyanogen;
Analyse af forholdet mellem substituenter, tværbindingsstruktur og eksiteret tilstand, det blev fundet, at amidocyanogen og hydroxyl kan reducere det dårlige gap, især amidocyanogen;
Nuclear magnetic resonance techniques are used to determine the national aleutric acid preferential conformation. The results show that the dithionic hydroxyl radicals are in reciprocal cross bearing.
Nuklearmagnetisk resonans teknik bruges til at bestemme den nationale aleutriske syres foretrukne konformation. Resultaterne viser, at de dithioniske hydroxylradikal er i gensidig krydsbæring.
The aurone compounds are generally on one plane ,and they have a bigger conjugate system .The inducement of hydroxyl substituents has little influence on their own geometries .
Aurone forbindelserne er generelt på et enkelt plan, og de har et større konjugatsystem. Induktionen af hydroxyl substituenter har lille indflydelse på deres egen geometri.
Udforsk ofte søgte ordforråd
Vil du lære ordforråd mere effektivt? Download DictoGo-appen og få glæde af flere funktioner til at huske og gennemgå ordforråd!
Download DictoGo nu