| 词汇 | example_english_barium-sulfate |
| 释义 | Examples of barium sulfateThese 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 open circles show the chromaticity of light reflected from a plaque of bariumsulfate. Liquid suspensions of bariumsulfate are non-toxic, apart from a small risk of producing a disturbance in bowel function for 48 hours after ingestion. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Bariumsulfate is used in some applications too. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. An exception is the administration of magnesium sulfate in barium chloride poisoning, where sulfate binds to barium to form insoluble bariumsulfate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The brightening occurs because bariumsulfate is in the form of a fine precipitate that scatters light back through the silver image layer. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Shortly after, the process was improved; barium was removed chemically, by double precipitation from a solution as bariumsulfate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The paste contains carbon black, "blanc fixe" (bariumsulfate) and lignosulfonate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In colorimetry bariumsulfate is used as a near-perfect diffuser when measuring light sources. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The enema may contain bariumsulfate powder, or a water-soluble contrast agent. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Different consistencies of liquid and food mixed with bariumsulfate are fed to the patient by spoon, cup or syringe, and x-rayed using videofluoroscopy. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Bariumsulfate is one of the most insoluble salts of sulfate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In the laboratory bariumsulfate is generated by combining solutions of barium ions and sulfate salts. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A supported palladium catalyst on bariumsulfate, and doped (poisoned) with quinoline hydrogenates alkynes into "cis" -alkenes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. As the bariumsulfate doesn't dissolve, this type of contrast agent is an opaque white mixture. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Fouling of membranes in reverse osmosis systems can occur due to differential solubility of bariumsulfate in solutions of different ionic strength. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is composed of a mixture of bariumsulfate and zinc sulfide. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Many preparations of bariumsulfate have added flavors to make them easier to tolerate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. With the notable exception of bariumsulfate, most sulfates are slightly to highly soluble in water. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Bariumsulfate has a usefully flat reflectance over the visible spectrum. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The overall motif is similar to that for bariumsulfate, with which it forms solid solutions. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In oil paint, bariumsulfate is almost transparent, and is used as a filler or to modify consistency. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Mixing the two compounds forms a bariumsulfate precipitate, which causes turbidity in the solution. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In x-ray facilities, walls surrounding the room with the x-ray generator may contain lead sheets, or the plaster may contain bariumsulfate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Sachtleben produces particles using titanium dioxide, zinc sulfide and bariumsulfate as the chemical basis, and markets these products around the globe. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The appearance of a white precipitate, which is bariumsulfate, indicates that sulfate anions are present. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Bariumsulfate is used widely in medicine as a radiocontrast agent. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Bariumsulfate makes the nets stiffer if it is added at high concentration. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In this case, a regimen of oral or intravenous corticosteroids may be given as prophylaxis, or an alternative such as bariumsulfate may be preferable. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Reactions with soluble metal sulfates or sulfuric acid yield bariumsulfate. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. For example, when the catalyst palladium is placed on bariumsulfate and then treated with quinoline, the resulting catalyst reduces alkynes only as far as alkenes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The patient is instructed to take nothing by mouth, which means to abstain from eating and drinking (fasting), with the exception of drinking the bariumsulfate suspension. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Although barium is a heavy metal, and its water-soluble compounds are often highly toxic, the low solubility of bariumsulfate protects the patient from absorbing harmful amounts of the metal. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Because bariumsulfate is the least toxic salt of barium due to its insolubility, wastes containing barium salts are sometimes treated with sodium sulfate to immobilize (detoxify) the barium. 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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