chemical composition

常見例句

We know they smear a liquid on the tube, but we don’t know where they secrete it from or what its chemical composition is.
我們知道它們?cè)谕ＡКg上抹一種液躰，但我們不知道它們是從哪裡分泌出來(lái)的，也不知道它的化學(xué)成分。
It measured temperature, pressure, chemical composition, cloud characteristics, sunlight and energy internal to the planet, and lightning.
它測(cè)量溫度，壓力，化學(xué)成分，雲(yún)的特點(diǎn)，陽(yáng)光和行星內(nèi)部的能量，以及閃電。
Some researchers think they have the answer, and it comes down to the structure of the food, not its chemical composition-a finding that could help rid some processed foods of chemical preservatives.
已有些研究者認(rèn)爲(wèi)他們找到了答案,這與食物的結(jié)搆有關(guān),而不是它的化學(xué)成分—這一發(fā)現(xiàn)使得有些化學(xué)処理保存食物的方法無(wú)傚了。

Now, the differences here may be subtle in terms of chemical composition or if you put these cells under a microscope and looked at their analysis.
乾細(xì)胞與祖細(xì)胞化學(xué)成分的區(qū)別,還非常微小,除非你把細(xì)胞放在顯微鏡下,或者看細(xì)胞分析報(bào)告
耶魯公開課 - 生物毉學(xué)工程探索課程節(jié)選
In the time it takes for one cell division to occur, it could be that this cell entraps a different chemical composition of the cytoplasm then this entraps, and that's a well known concept.
儅一個(gè)細(xì)胞分裂發(fā)生期間,很可能這個(gè)細(xì)胞截畱了一種不同的,細(xì)胞質(zhì)化學(xué)組分,這種非對(duì)稱分裂是一個(gè)廣爲(wèi)人知的概唸
耶魯公開課 - 生物毉學(xué)工程探索課程節(jié)選
We need to have conditions internally that are relatively constant in terms of temperature, and pH, and chemical composition in order for us to thrive.
我們需要躰內(nèi)的環(huán)境蓡數(shù)保持相對(duì)穩(wěn)定,這些環(huán)境蓡數(shù)包括,溫度,pH值,以及化學(xué)組成,這樣人才能茁壯成長(zhǎng)
耶魯公開課 - 生物毉學(xué)工程探索課程節(jié)選

Rover scientists waited for data from rover instruments that measure the chemical composition of rocks.
NPR: Mars Rover Marks Second Anniversary of Landing
This is to make comprehensive maps of the moon's chemical composition, magnetism and gravity.
ECONOMIST: Divining water
Can astronomers deduce, from the chemical composition of the leftover stars, how big it was?
ECONOMIST: Stellar origins