| 单词 | stearic acid |
| 释义 | stearic acid noun[U] chemistryspecializeduk/stiˌærɪk ˈæsɪd/us/ˌstɪr.ɪk ˈæsɪd/asubstancelikewaxthat is used for makingcandlesand for somemedicines 硬脂酸Chemistry: types of chemical
Examplesofstearic acidstearic acid Our results agreed with their findings except in the case ofstearicacid, which increased with late planting. From theCambridge English Corpus While somestearicacidwas extracted from most of the batches, yields are less than those obtained by liquid-liquid extraction for all sample batches. From theCambridge English Corpus In addition, important levels ofstearicacid(18:0), 18:1 and 18:2 were observed. From theCambridge English Corpus Thestearicacidwas incorporated into the sulphate mineral in the laboratory by precipitating magnesium sulphate from a solution that containedstearicacid. From theCambridge English Corpus Various starting concentrations ofstearicacidin solution in methanol were precipitated. From theCambridge English Corpus The primary approach for generating plant oils enriched instearicacidhas been to enhance metabolic flow from palmitic to stearic acid in developing seeds. From theCambridge English Corpus This suggests that intracrystallinestearicacidand magnesium stearate are present. From theCambridge English Corpus However, it should be noted that some of the intracrystalline organic matter would probably still be present asstearicacidand on pyrolysis could produce n-alkanes that would readily volatilize. From theCambridge English Corpus Stearicacidwas chosen because of its relatively ubiquity as a biomolecule, and because of its carboxylic acid functionality and the ability to form organic salts (magnesium stearate). From theCambridge English Corpus Stearyl alcohol is prepared fromstearicacidor some fats by the process of catalytic hydrogenation. From Wikipedia  This example is from Wikipedia and may be reused under a CC BY-SA license.A second problem is that thestearicacidmakes the paper brittle. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.The salts and esters ofstearicacidare called stearates. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.Most of the surviving 1888 recordings would be formulated from a combination of ceresin wax, carnauba wax,stearicacid, and beeswax. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.In the fatstearicacidis present up to 40-45% and palmitic acid up to 10-13%. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.He was able to transform liquid oleic acid into solidstearicacidby the use of catalytic hydrogenation with dispersed nickel. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license.These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors. |
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