| 词汇 | acetate |
| 释义 | acetate noun[ U ] uk /ˈæs.ə.teɪt/ us /ˈæs.ə.teɪt/ a chemical substance made from acetic acid, or a smooth artificial cloth made from this醋酸盐;醋酸纤维（制品），醋酸人造丝 Chemicals, chemical compounds & gases acetic acid acrolein acrylamide activated charcoal adenine agglomerate cyanide ethyl alcohol glyphosate H2O HCFC HFC hyaluronic acid hydrochloric acid laughing gas limescale meths oxyacetylene prussic acid tartaric acid You can also find related words, phrases, and synonyms in the topics: Textiles made from man-made fibres acetate | Business Englishacetate noun uk /ˈæsɪteɪt/us [ C ] MEETINGS a thin piece of clear plastic with writing or drawing on it that you can show on a wall or screen using an overhead projector: He was busy preparing acetates for his presentation. Examples of acetateacetate In order to obtain information about the shape and dimensions of the laser-produced craters, their replicas were made of cellulose acetate. Further, the percent carbon-13 in acetate decreased with time in spite of the increase in the percent carbon-13 in glucose. Included in this group are chloroform and related substances such as chlorinated acetates, many of which are listed as suspected human carcinogens. One of the progestagens-megestrol acetate-has been tried under this type of circumstance; it has proven reasonably successful. In the third model the formates are replaced by acetates. The fibrils were negatively stained with uranyl acetate. Sections were stained with lead citrate and uranyl acetate. The sections were stained with 2% uranyl acetate in 50% ethanol and 0.4% lead citrate solutions for 10 min each. Slices were stained with lead citrate and uranyl acetate. Subsequently, the sections were stained with uranyl acetate and lead citrate. After filtration, 10% formalin and ethyl acetate were added, the sample centrifuged for 10 min at 3000 rpm, and suspended into 1 ml. Other freshly-fixed specimens and some of the cryo-specimens were dehydrated in acetone and soaked in amyl acetate. Extended use of glatiramer acetate (copaxone) is well tolerated and maintains its clinical effect on multiple sclerosis relapse rate and degree of disability. The use of uranyl acetate as a tertiary fixative and en bloc stain has revealed the heptalaminate nature of the outer membrane. The post-1996 wheat crop samples were also analysed for exchangeable bases (ammonium acetate extraction) and cation exchange capacity (potassium chloride). 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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