calcine
calcine — 動詞
- calcinepresent simple I / you / we / they
- calcines3rd person singular
- calcining-ing form
- calcinedpast simple
1. to treat a substance by heating it to a very high temperature — just below its m
煅燒
將物質加熱至近熔點以淨化或改變性質
to treat a substance by heating it to a very high temperature — just below its melting point — so that unwanted elements are driven off as gas or a chemical change such as oxidation takes place.
The factory calcines limestone to produce quicklime for construction use.
這家工廠煅燒石灰石來生產建築用的生石灰。
calcine + object (limestone, a specific mineral)
Hao's research team calcined the ore samples at twelve hundred degrees to extract pure zinc oxide.
Hao 的研究團隊在一千二百度下煅燒礦石樣本，以提取純氧化鋅。
Before the metal can be refined, the raw mineral must be calcined in a rotary kiln.
在提煉金屬之前，必須先在迴轉窯中煅燒原礦。
passive: be calcined + location (in a rotary kiln)
Cyrus explained that they calcine the clay powder to drive off moisture and organic matter.
Cyrus 解釋說，他們煅燒陶土粉末以去除水分和有機物。
calcine + to-infinitive for purpose
- calcine limestone
- calcine ore
- calcine clay
- calcine at [temperature]
文法句型
calcine + object (substance/material)
用法筆記
Usually refers to industrial or laboratory heating of inorganic materials such as ores, limestone, or clay. The object is the substance being treated.
常見錯誤
2. of a substance, to be changed by very strong heating that approaches but does no
受煅燒
物質本身經高溫處理並產生變化
of a substance, to be changed by very strong heating that approaches but does not reach its melting point, usually resulting in the removal of volatile components or a chemical transformation.
The bauxite calcines at around one thousand degrees and turns into alumina.
鋁土礦在大約一千度時受煅燒，轉變為氧化鋁。
calcines + at [temperature], showing the material as subject
Nadia watched the gypsum calcine inside the furnace until it became a fine white powder.
Nadia 看著石膏在爐內受煅燒，直到變成細緻的白色粉末。
If the mineral calcines too quickly, the resulting oxide may contain impurities.
如果礦物受煅燒的速度過快，所得的氧化物可能含有雜質。
if-clause condition with calcine as intransitive verb
The laboratory report showed that the sample calcined unevenly because the temperature fluctuated.
實驗報告顯示，樣本因溫度波動而受煅燒不均。
- calcine at [high temperature]
- calcine in a kiln
- calcine to [product]
- decompose by heat
more general, not limited to sub-melting temperatures
文法句型
calcine + at [temperature]
calcine + in [equipment]
用法筆記
The subject is always the material being heated, not the person or machine doing the heating. Distinguish from sense 1: here the substance is the grammatical subject and undergoes the change itself.
常見錯誤
calcine — 名詞
1. the solid material left after a substance has been heated very strongly without
煅燒物
經煅燒後所得的固體產物
the solid material left after a substance has been heated very strongly without melting; typically a metal oxide or similar compound.
The calcine that remained in the crucible was a bright orange powder.
留在坩堝中的煅燒物是亮橙色的粉末。
Allison weighed the calcine on a precision scale before sending it for analysis.
Allison 在精密天平上秤量煅燒物，然後送去分析。
collect / weigh + calcine (noun, laboratory context)
This white calcine is pure calcium oxide, which can be used to treat acidic soil.
這種白色煅燒物是純氧化鈣，可用來處理酸性土壤。
Workers collected the calcine from the bottom of the furnace and packed it into drums.
工人從爐底收集煅燒物，並將其裝入桶中。
collect + calcine from [location], industrial context
- white calcine
- dry calcine
- collect the calcine
- calcine residue
- calcine sample
用法筆記
An uncountable or singular noun in technical writing; rarely used in plural. The specific identity of the calcine depends on what material was heated.
常見錯誤
同根字
- calcination名詞C1
- calciner名詞C2
- calcined形容詞C1
- recalcine動詞C2