| 词汇 | example_english_weak-base |
| 释义 | Examples of weak baseThese 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. However, this is just one exemplary case and as such a weakbase for generalization. Our age-pyramid already seems to have a very weakbase, which means that it is bound to collapse. From Europarl Parallel Corpus - English But trade without the investment which follows it will create a weakbase because development through investment is vital. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 The more that expenditure is piled on to that very weakbase, the more likely it is to be crumbling, anomalous and unfair. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Much reference has been made during this debate to the economic condition of this country and the weakbase, comparatively, from which it starts negotiating. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 All the evidence shows that the children who achieve most in terms of the added value of the educational experience are those whose parents start from a weakbase. From the Hansard archive Example from the Hansard archive. Contains Parliamentary information licensed under the Open Parliament Licence v3.0 Like other organic amines, diethanolamine acts as a weakbase. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Although it is classified as a weakbase, concentrated fluoride solutions are corrosive and can attack the skin. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A complicating factor is that water itself is a weak acid and a weakbase. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is a weakbase with a slight odor and is reactive to active metals such as sodium, potassium, magnesium and zinc. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It has an acidic proton that can easily be abstracted by a weakbase. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Titrations between a weak acid and a weakbase have titration curves which are highly irregular. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is miscible with virtually all solvents and is a weakbase, as is typical for amines. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. An example is the weakly acidic ammonium chloride, which is produced from the strong acid hydrogen chloride and the weakbase ammonia. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Like other amines, monoethanolamine acts as a weakbase. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The amino-group makes this compound a weakbase, capable of reacting with acids to form salts. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In other versions of the process, the alkalinity is provided by ammonia, which is a weakbase. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Like other amines, triethanolamine is a weakbase. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Like other amines, methanolamine acts as a weakbase. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Being a carbonate, it is a weakbase and therefore is reactive with acids. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is a weakbase and its aqueous solution is alkaline. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. It is very weakbase, shows similar reaction with methyl iodide and dimethyl sulfate or diazomethane, does not form a derivative but go through isomerization to isodictamnine. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. When a weak acid reacts with a weakbase, the equivalence point solution will be basic if the base is stronger and acidic if the acid is stronger. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The tellurite anion is a weakbase. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, these oocytes can be triggered to reinitiate meiosis following treatment by serotonin or several pharmacological agents (calcium ionophores, thapsigargin, weak bases) which promote an intracellular calcium surge. They are yellowish-red solids, which behave as weak bases, their salts undergoing hydrolytic dissociation in aqueous solution. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Typical weak electrolytes are weak acids and weak bases. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Metal oxides, hydroxides, and especially alkoxides are basic, and counteranions of weak acids are weak bases. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Weak bases, such as baking soda or egg white, should be used to neutralize any acid spills. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. As sulfonic acids tend to be strong acids, the corresponding sulfonates are weak bases. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Most alkaloids are weak bases, but some, such as theobromine and theophylline, are amphoteric. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. To help describe the strengths of weak bases, it is helpful to know the percentage protonated-the percentage of base molecules that have been protonated. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Many pharmaceutical compounds are weak acids or weak bases. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Weak bases and weak acids are generally weak electrolytes. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The addition of weak bases helps to neutralize these acidic materials, greatly reducing their danger. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In the proximal and distal convoluted tubules non-ionised acids and weak bases are reabsorbed both actively and passively. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Local anesthetics are weak bases and are usually formulated as the hydrochloride salt to render them water-soluble. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A significant part of the clinically approved drugs are lipophilic weak bases with lysosomotropic properties. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Hydrolyzable tannins are hydrolyzed by weak acids or weak bases to produce carbohydrate and phenolic acids. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Strong bases are leveling solvents for acids, weak bases are differentiating solvents for acids. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In the stomach, drugs that are weak acids (such as aspirin) will be present mainly in their non-ionic form, and weak bases will be in their ionic form. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, the reverse is true in the basic environment of the intestines-- weak bases (such as caffeine) will diffuse more readily since they will be non-ionic. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The opposite occurs with weak bases. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. These reactions are generally run in the presence of a weakbase, such as sodium carbonate or tertiary amines. 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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