| 单词 | chelate |
| 例句 | They contain surfactants, which keep loosened soil suspended in water, and chelating agents, which keep mineral deposits from forming. The dishwasher leaves my drinking glasses cloudy. What can I do? 2020-11-13T05:00:00Z A chelating ligand is also known as a chelating agent. Chemistry 2019-02-14T00:00:00Z Williams eventually got "disability which covered the costs of her WD drugs…but only after her liver, kidneys & nervous system suffered without the copper chelating medicine," Lynda wrote. 'General Hospital' star Bergen Williams dead at 62 after battling rare Wilson's disease 2021-11-18T05:00:00Z Zilberstein had brought two sets: one for removing proteins and a new prototype, which contained chelating agents, a type of compound that can extract heavy metals. Do Proteins Hold the Key to the Past? 2018-11-19T05:00:00Z McCluskey went through intense chelating treatments to reduce the amount of radiation in his body. Tennessee duo replicates 1976 ‘Atomic Man’ incident 2017-08-20T04:00:00Z At her doctor’s recommendation she also takes iron supplements that “chelate,” or remove, the lead from the bloodstream. In Corinth, an artist restores stained glass windows 2017-02-13T05:00:00Z A chelating ligand holds the metal ion rather like a crab’s claw would hold a marble. Chemistry 2019-02-14T00:00:00Z With paintings, a variety of organic solvents are used, but the most common solvent is water, often with chelating agents, surfactants or salts to control pH. Modern Chemistry Techniques Save Ancient Art 2014-06-28T04:00:00Z The chelating films had picked up traces of gold, silver, lead, and arsenic everywhere they had been placed, at between three and nine times the levels found on the control. Do Proteins Hold the Key to the Past? 2018-11-19T05:00:00Z In 2006, the Centers for Disease Control and Prevention reported on three cases in which a chelating agent killed patients. Doctors Dismiss Study That Says Chelation Helps Heart Patients 2012-11-05T21:06:02Z The cells separate from one another in a medium lacking calcium and magnesium ions, which are removed from the embryo more quickly by adding to the medium a chelating substance such as Versene. Transplanted Nuclei and Cell Differentiation, by Sir John B. Gurdon 2012-10-09T23:45:00.177Z "The acid also has a 'chelating effect' — it can combine with calcium in the bones, taking it away quicker," Ren told Life's Little Mysteries. Can Mountain Dew Really Dissolve a Mouse Carcass? 2012-01-05T23:15:00.277Z Such chelate rami or limb-branches are independently developed in Crustacea and in Arachnida, and are carried by somites of the body which do not correspond in position in the two groups. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 6 "Armour Plates" to "Arundel, Earls of" Although the prae-oral pair of appendages in the higher Arachnida is usually chelate, it is not always so; in spiders it is not so; nor in many Acari. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" He added a chelating agent which, if there were any nickel present, would sequester the nickel ions and bring them out of solution as a brick-red precipitate. Cum Grano Salis The large chelate pedipalps are also prominently figured but the smaller walking legs are commonly omitted. Animal Figures in the Maya Codices They have long, slender, many-jointed legs; usually a rounded, segmented abdomen; and chelate jaws. The Gutenberg Webster's Unabridged Dictionary Section P and Q Appendages of 2nd pair, with their basal segments uniting in the middle line below the mouth, weakly chelate at apex. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" Appendages of 2nd pair very large and completely chelate, their basal segments meeting in the middle line, as in the Uropygi, and provided in front with membranous lip-like processes underlying the proboscis. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" The chelating molecules cluster around the ion and take it out of circulation, so to speak; they neutralize it, in a way. Cum Grano Salis Appendages of 2nd pair folding in a horizontal plane, completely chelate, the claw immovably united to the sixth segment. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" But if the patient is treated with the proper chelating agent, the ions are surrounded and don’t do any more damage. Cum Grano Salis But the chelating agent in the fruit turns red when it’s connected up with iron—in fact, it’s even redder than blood hemoglobin. Cum Grano Salis Appendages of 2nd pair folding in a vertical plane, not chelate, the claw long and movable. Encyclopaedia Britannica, 11th Edition, Volume 2, Slice 3 "Apollodorus" to "Aral" |
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