| 词汇 | fixative |
| 释义 | fixative noun[ C or U ] uk /ˈfɪk.sə.tɪv/ us /ˈfɪk.sə.t̬ɪv/ a substance that holds something in position: 固定剂 a fixative for dentures假牙固定剂 a chemical used to treat photographic material in order to preserve its colour定影剂;定色剂 Glues, gluing & stickiness adhere adherent adhesion adhesive adhesively binder glue glue gun glue stick gluey glutinous gummy plaster putty Scotch tape self-adhesive slimily sliminess tacky viscid You can also find related words, phrases, and synonyms in the topics: Photography Examples of fixativefixative Effect of fixatives on fracture plane in red blood cells. In addition, many fixatives chemically alter the fixed material to make it less palatable (either indigestible or toxic) to opportunistic microorganisms. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Fixatives containing mercuric chloride or potassium dichromate are toxic, making disposal as hazardous waste costly. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Most chemical fixatives (chemicals causing fixation) generate chemical bonds between proteins and other substances within the sample, increasing their rigidity. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The balsam and its oil are used as fixatives in soap perfumes and fragrances. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Enucleated eyes were immediately placed into ice-chilled fixative as appropriate to each method below!. The most common precipitating fixatives are ethanol and methanol. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Fixatives are toxic to most common microorganisms (bacteria in particular) that might exist in a tissue sample or which might otherwise colonise the fixed tissue. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. All viscera were systematically checked under stereoscopic microscope and all helminths found were removed and preserved with fixative agents. All helminths were removed and placed in vials containing fixative (10% formalin for taeniid larvae and hot 70% alcohol for roundworms). Other research has found that fixatives in polycarbonate plastics can cause chromosomal error in cell division called aneuploidy. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Also, note that there was only paraformaldehyde in the primary fixative. The fixative and sucrose are able to diffuse through the foam, cryoprotecting and postfixing the specimen. The mature egg was fixed in methanol fixative. Each oocyte was placed individually on a glass slide, and several droplets of fixative were placed on the oocyte. See all examples of fixative 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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