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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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英文字典中文字典相关资料:

Base (chemistry) - Wikipedia
In chemistry, there are three definitions in common use of the word "base": Arrhenius bases, Brønsted bases, and Lewis bases All definitions agree that bases are substances that react with acids , as originally proposed by G -F Rouelle in the mid-18th century
What Is a Base in Chemistry? Definition and Examples
Learn about the properties of bases and see examples of bases and their uses Base Definition All bases react with acids to form salts, but there are different definitions of what, exactly, a base is Each base definition has a corresponding acid definition Arrhenius: An Arrhenius base releases hydroxide ions (OH –) in aqueous solution
Base | Definition, Examples, Facts | Britannica
Examples of bases are the hydroxides of the alkali and alkaline earth metals (sodium, calcium, etc ) and the water solutions of ammonia or its organic derivatives Such substances produce hydroxide ions (OH-) in water solutions (see Arrhenius theory)
What are Bases? - Definition, Examples, Types, Properties and Uses
Bases are one of the most important chemical compounds that are used in everyday life Bases are used as an antacid to control acidity and in toothpaste to neutralize the bacterial action that produces acid in our mouth and prevents degradation of enamel and cavity They are also used as baking powder, baking soda, and washing powder Lewis Base
6. 1: What is an Acid and a Base? - Chemistry LibreTexts
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
10 Facts About Acids and Bases - ThoughtCo
10 Facts About Acids and Bases - ThoughtCo
Bases - Example, Properties, Types and Uses - Vedantu
Bases are those chemical species which can donate electrons, accept protons or can release hydroxide ions in aqueous solution (Image will be uploaded soon) Chemical Properties of Bases General Properties of Bases are listed below – Bases exchange the shade of litmus from pink to blue They're bitter in taste
Acid vs Base - Difference and Comparison | Diffen
What's the difference between Acid and Base? Bases are the chemical opposite of acids Acids are defined as compounds that donate a hydrogen ion (H+) to another compound (called a base) Traditionally, an acid (from the Latin acidus or acere meaning sour) was any chemical compound that, when dissolv
Pentagon to restore names of 7 more Army bases that honored Confederate . . .
The bases are currently known as Fort Barfoot in Virginia, Fort Cazavos in Texas, Fort Eisenhower in Georgia, Fort Novosel in Alabama, Fort Johnson in Louisiana, Fort Walker in Virginia, and Fort
20 Common Examples of Bases in Everyday Life - YourDictionary
What household products include chemical bases? Read an article that details base types and classification before listing everyday examples of bases

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