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bases 音标拼音: [b'esəz] [b'esɪz] [b'esiz]

n. 基础,根据,主要成分

基础,根据,主要成分

The Collaborative International Dictionary of English v.0.48 (gcide)

Basis \Ba"sis\ (b[=a]"s[i^]s), n.; pl. {Bases} (b[=a]"s[=e]z).
[L. basis, Gr. ba`sis. See {Base}, n.]
1. The foundation of anything; that on which a thing rests.
--Dryden.
[1913 Webster]

2. The pedestal of a column, pillar, or statue. [Obs.]
[1913 Webster]

If no basis bear my rising name. --Pope.
[1913 Webster]

3. The groundwork; the first or fundamental principle; that
which supports.
[1913 Webster]

The basis of public credit is good faith. --A.
Hamilton.
[1913 Webster]

4. The principal component part of a thing.
[1913 Webster]

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Bases	查看　Bases　在百度字典中的解释	百度英翻中〔查看〕
Bases	查看　Bases　在Google字典中的解释	Google英翻中〔查看〕
Bases	查看　Bases　在Yahoo字典中的解释	Yahoo英翻中〔查看〕

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英文字典中文字典相关资料:

Base (chemistry) - Wikipedia
Bases are generally compounds that can neutralize an amount of acid Both sodium carbonate and ammonia are bases, although neither of these substances contains OH−
Base | Definition, Examples, Facts | Britannica
Bases are chemical compounds that, in solution, are soapy to the touch and turn red vegetable dyes blue When mixed, acids and bases neutralize one another and produce salts
Here’s what’s going on at US bases in Middle East amid Iran attacks
Bases hosting U S troops throughout the Middle East have been participating in U S operations against Iran, and are subject to retaliatory strikes
What Is a Base in Chemistry? Definition and Examples
In chemistry, a base is a substance that reacts with acids to form a salt and which releases hydroxide ions, accepts protons, or donates electrons in aqueous solution Learn about the properties of bases and see examples of bases and their uses
6. 1: What is an Acid and a Base? - Chemistry LibreTexts
Arrhenius's Definition of Acids and Bases The earliest definition of acids and bases is Arrhenius's definition which states that: An acid is a substance that forms hydrogen ions H + when dissolved in water, and A base is a substance that forms hydroxide ions OH - when dissolved in water
BASE Definition Meaning - Merriam-Webster
base, low, vile mean deserving of contempt because of the absence of higher values base stresses the ignoble and may suggest cruelty, treachery, greed, or grossness low may connote crafty cunning, vulgarity, or immorality and regularly implies an outraging of one's sense of decency or propriety
Base Definition in Chemistry - ThoughtCo
In chemistry, a base is a chemical species that donates electrons, accepts protons, or releases hydroxide (OH-) ions in aqueous solution Bases display certain characteristic properties that can be used to help identify them
Bases – Definition, Types, Examples, Properties, Uses
Bases are substances that can accept hydrogen ions (protons) or donate a pair of valence electrons to form a bond This definition has evolved over time, stemming from the observation of their reactions with acids
Bases in Chemistry: Definition, Properties, and Examples - Vedantu
Discover what bases are in chemistry, their key properties, real-life examples, and how they differ from acids Master concepts for exams with clear explanations and practical uses
14. 3: Bases: Properties and Examples - Chemistry LibreTexts
Bases are less common as foods, but they are nonetheless present in many household products Many cleaners contain ammonia, a base Sodium hydroxide is found in drain cleaner Antacids, which combat excess stomach acid, are comprised of bases such as magnesium hydroxide or sodium hydrogen carbonate

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