hydrogen peroxide
US
・UK
A1 初級
n. (u.)不可數名詞過氧化氫
Hydrogen peroxide is used as a disinfectant.
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11:45
- Cadmium, lead, arsenic and cyanide, hydrogen peroxide or nitrogen oxides cause damage wherever they end up.
鎘、鉛、砷和氰化物、過氧化氫或氮氧化物無論到達何處都會造成損害。
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11:54
- then you grab hydrogen peroxide and you dab it.
然後你拿起雙氧水，然後塗抹它。
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04:26
- - Hydrogen peroxide.
- 過氧化氫；
- First you need 240 milliliters of hydrogen peroxide.
首先你需要240毫升的過氧化氫。
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14:19
- 3% hydrogen peroxide in warm water with a little bit of detergent and baking soda.
3% 過氧化氫 (俗稱雙氧水) 加入溫水中，再放入一些清潔劑跟小蘇打粉
- because it would contain a little bit of hydrogen peroxide.
因為它可能會殘留一些過氧化氫
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03:37
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03:45
- The cells in our hair bulb produce a little bit of hydrogen peroxide, which is a metabolic byproduct, and typically, there's an enzyme called catalase that breaks this down to water and oxygen.
毛囊的細胞會產生一點過氧化氫，一種代謝副產物，且通常會有一種過氧化氫酶將過氧化氫分解為水與氧。
- But as we age, there's declining levels of catalase, and this allows the build-up of hydrogen peroxide in the hair bulb, which damages and destroys the melanocytes, or the pigment-producing cells, of our hair.
當年紀增長，過氧化氫酶將會減少，導致過氧化氫強度增強，然後傷害或璀毀我們頭髮中的黑色素細胞與製造色素的細胞。