| 词汇 | example_english_acetic-acid |
| 释义 | Examples of acetic acidThese 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. The reaction was stopped with 10% aceticacid and washed with water. In the present study, however, the red/green fluorescence ratio significantly increased in zona-penetrated spermatozoa compared with zona-binding ones, following treatment with aceticacid. This method uses a mixture of anhydrous aceticacid and sulphuric acid, which is heated to prepare pollen for examination under a light microscope. Trematodes were fixed in glacial aceticacid and pressed between two slides, and preserved in 70% ethyl alcohol. When half of the thiocyanate solution was added, 25 ml of glacial aceticacid was dropped and the solution was stirred for two more hours. The harvested eyes were placed in cold aceticacid/methanol solution overnight followed by paraffin embedding using standard procedures. A very small volume of fixative (methanol 3 : aceticacid 1) was poured into the hypotonic solution. A freshly prepared mixture of 3 volumes methanol: 1 volume aceticacid was slowly run onto the pellet and poured off; this was repeated twice. If cytoplasm remained, it was removed by spreading one drop of another fixative, a mixture of methanol and aceticacid (3:1). The reaction was stopped in 10% aceticacid. Final preparation was carried out with a needle and diluted aceticacid. Heptane-containing solutions with identical concentrations to those of the aceticacid and sodium hydroxide treatments were utilized with the same protocol as above. The repeated immersion technique was used (as in the bleach treatments described previously) with various total duration times of heptane and aceticacid. The stain was then differentiated with aceticacid and 70% ethanol to ensure staining of only the ganglion cell layer. Twenty-four hours after insemination, the oocytes were fixed in methanol/aceticacid (3 : 1, v/v) at room temperature and stained with 1% aceto-orcein. Pieces of tissue were transferred to some drops of 45% aceticacid on pre-cleaned slides, smeared on them and air-dried for at least one day. When aceticacid was poured over the produce ("liver of sulfur," which contains mostly potassium sulfide), sulfur precipitated due to an oxidation of the sulfide. The cooked food was acidic due to the use of apple vinegar (y4.7 g of aceticacid/100 ml of apple vinegar). All comparative samples were macerated in a 2:1 mixture of 30% hydrogen peroxide and glacial aceticacid. Specimens were then washed in a weak solution of aceticacid before being transferred into 70% ethanol for storage. The eluent was 0.1 % aceticacid solution, and its flow rate was 0.5 ml minx1. After a few minutes, remove glacial aceticacid, add distilled water, leave for 10 minutes. iv. The reaction was stopped by the addition of 30 ml aceticacid (30%) after the required period of incubation. Controls were incubated similarly, but aceticacid was added at the beginning of each assay. Then, in a second step, syntrophic organisms produce aceticacid and hydrogen, which are finally converted to methane. Isodithiocyanic acid was obtained when ammonium thiocyanate reacted with either acetic anhydride or aceticacid. After fixation in 10% aceticacid and intense washing in distilled water, gels were stained with 0.1% silver nitrate. After incubation, lysis haloes were photographed after fixation with 10% aceticacid. The concentration of aceticacid was also varied. All staining reactions were quenched by placing the gel in the destaining solution (25 ml aceticacid+150 ml methanol+325 ml distilled water). Trematodes and cestodes were fixed in a mixture of 85% ethanol, 10% glacial aceticacid, and 5% formalin, and nematodes were fixed in 70% ethanol. At the time of retrieval, 25 seeds were fixed in formalin -acetic - alcohol (formaldehyde, glacial aceticacid and denatured ethanol, 10 : 5 : 85 v/v). This procedure was repeated with identical concentrations and durations using sodium hydroxide solutions instead of aceticacid. A drop of 100% methanol and 75% aceticacid (1:1) followed by a drop of 100% methanol and glacial aceticacid (1:1) were placed on the embryos. The mobile phase, at a flow rate of 0.15 ml minx1, contained the mixture of two solvents, acetonitrile and water, both acidified with 0.5% (v/v) aceticacid. Effect of indol aceticacid concentration in the activation and growth of ovine preantral follicles. This was done by a sequential incubation of 2 5 % isopropanol/10% aceticacid (v/v), 10% isopropanol/10% aceticacid (v/v) and 10% aceticacid (v/v). At the time of examination, oocytes or blastocysts were mounted on a glass slide and fixed for 10 min in 25% (v/v) aceticacid in ethanol. Aceticacid and phosphatic fossils - a warning. Certain soft drinks can contain aceticacid and phosphoric acid. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The last two estimates include also the manufacture of aceticacid from imported carbide. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 There are three projects current under this scheme concerned with aceticacid plant, at a gas board plant, and for type-setting in hot metal. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 I propose to limit my remarks to three of these products—aceticacid, acetone and formaldehyde. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 We are turning out aceticacid by the million gallons, and that will be exported. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 By 1980 increased exports of aceticacid are expected to be earning some £20–£30 million in foreign exchange. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The argument is to create the size of industry to produce aceticacid on a world scale in competition with any other country. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 We are thinking of the national output of wealth and the production of aceticacid from one of the biggest production plants in the country. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 We are not aware of any adverse health implications from the normal usage of vinegar (aceticacid). From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Of course there is a minor short-term employment benefit for the construction workers involved, which we discussed when we debated the aceticacid plant. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 That sounds perfectly reasonable until one knows that the chemical was in fact aceticacid—in other words, vinegar, which is a natural substance which occurs particularly in old woodlands. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Aceticacid is an essential factor in the production of textiles and paints and is also used for the manufacture of industrial solvents, herbicides, adhesives and pharmaceuticals. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 It is either spoilt wine or spoilt beer in which the fermentation is allowed to go further so that there is aceticacid content rather than alcohol. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Lactonization of alkenes in the presence of aceticacid and acetate salts is a synthetically useful method for the synthesis of -lactones. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The organic solvents widely used as reaction media for the phthaloylation of cellulose acetate are aceticacid, acetone, or pyridine. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This was done by placing them over pots with a little vinegar (which contains aceticacid). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Most common are aceticacid (vinegar) and butyric acid (human vomit). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The tissue swelling effect of aceticacid is balanced by the tissue shrinking effect of picric acid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is also soluble in acetone, aceticacid and glycerol but practically insoluble in ethanol and ethyl acetate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Other organic compounds such as alcohols, aceticacid or formic acid are used as alternative electron acceptors by methanogens. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This process improved the original method, which started with aceticacid and nitric acid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This early study showed that this can produce aceticacid, carbon dioxide and large amounts of mannitol. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Here, simple molecules created through the acidogenesis phase are further digested by acetogens to produce largely aceticacid, as well as carbon dioxide and hydrogen. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Large amounts of propanoic acid were once produced as a byproduct of aceticacid manufacture. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is insoluble in acetone, aceticacid, or ethanol. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Bromine in aceticacid solvent is often used. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In the second step the pentaacetyl glycononitrile is formed by reaction with acetic anhydride in aceticacid with sodium acetate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Among this species' products are formic acid, aceticacid, lactic acids, ethanol, carbon dioxide, and hydrogen. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The catalyst quickly reacts with hydrogen peroxide, believed to be catalyzed by the aceticacid, and forms and iron-oxo intermediate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A test tube is filled with distilled water and aceticacid is added. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Acetyl iodide is then hydrolyzed to aceticacid. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The solvolysis reaction in aceticacid involved the formation of a carbocation as the chloride ion leaves the cyclic molecule. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. To decrease the initial droplet size, compounds that increase the conductivity (e.g. aceticacid) are customarily added to the solution. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Usually aceticacid is added to the dyebath to help the uptake of the dye onto the fiber. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A taster's sensitivity to aceticacid will vary, but most people can detect excessive amounts at around 600 mg/l. 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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