Changing filters often will also help keep the air clean.
乙酸是活泼的金属,其表面暴露于空气中迅速氧化,创建一个微结构的稳定的氧化物表面。
Titanium is a reactive metal, the surface of which quickly oxidizes on exposure to air, creating a microstructured stable oxide surface.
当将反应混合物暴露于空气时,SION-X的蓝色粉末自我愈合并由铜(0)纳米颗粒重整。
When the reaction mixture was then exposed to air, the blue powder of SION-X was self-healed and reformed from copper(0) nanoparticles.
在成年人中,经常在经常暴露于空气中的小麦粉尘的人中报告过敏。
In adults, allergy is most often reported among those regularly exposed to airborne wheat dust.
测量暴露于空气和噪音污染是困难的,作者指出这是该研究的局限性。
Measuring exposure to air and noise pollution is difficult, which the authors noted was a limitation of the study.
事先暴露于空气中的这种污染可能影响到测试条读数的准确性。
Prior exposure to this type of airborne contamination may affect the accuracy of the strips reading.
在伦敦,每年有超过3000人死于空气污染,其中柴油道路交通贡献了40%的氮氧化物排放。
In London, where more than 3,000 deaths a year are attributable to air pollution, diesel road traffic is responsible for 40% of NOx emissions.
N95口罩的设计目的是减少但不能消除佩戴者暴露于空气中的生物污染物。
Surgical N95 respirators are designed to reduce but cannot eliminate the wearer's exposure to airborne biological contaminants.
这一过程旨在冷却焦炭,避免焦炭暴露于空气时会完全燃烧。
This process is performed to cool down the coke and to prevent complete combustion of the coke upon exposure to air.
从1995年到2005年,研究人员使用核磁共振成像技术来研究长期暴露于污染空气中对大脑有何影响。
From 1995 to 2005, the researchers used magnetic resonance imaging to determine the effect of long-term exposure to air pollution on the brain.
通过体能训练可以增加40%的肺活量,但这种效果可能因暴露于空气污染而改变。
Lung capacity can be increased by physical training as much as 40% but the effect may be modified by exposure to air pollution.
它也是一个封闭的处理系统,能确保脐带血在无菌的状态下,无任何暴露于空气污染物。
It is also a functionally closed processing system which ensures the sterility of the umbilical cord blood by eliminating exposure to air contaminants.
自然空气中含氧气约20.9%,因此新切面肉表面暴露于空气中则显浅红色。
Oxygen content in natural air is about 20.9%, so the surface of fresh cut meat is light red when exposed to air.
一种焊剂,通常是氯化锌铵施加到钢上以防止暴露于空气时清洁表面的氧化。
A flux, often zinc ammonium chloride is applied to the steel to inhibit oxidation of the cleaned surface upon exposure to air.
相比之下,必须设计厌氧系统以防止生物质污泥暴露于空气中。
By contrast, anaerobic systems must be designed to prevent the exposure of the biomass sludge to air.
接下来,将它们放在盘子或浅碗中,在台面上或者他们将被暴露于空气的地方。
Next leave them out in a dish or shallow bowl, on the countertop or somewhere where they will be exposed to air.
常规茶叶通常被称为“半发酵”,因为基本暴露于空气开始某些氧化过程。
Regular tea leaves are often referred to as“semi-fermented” because basic exposure to air begins certain oxidative processes.
接下来,将它们放在盘子或浅碗中,在台面上或者他们将被暴露于空气的地方。
Strain them and leave them out in a dish or shallow bowl, on the counter top, or somewhere where they will be exposed to air.
保持感染区域干净,干燥并且尽量暴露于空气(不用衣物覆盖)。
Maintain the infected area clean, dry and exposed to air as much as possible(without clothing coverage).
化学研究生萨拉GUILLOT进行新的电池材料以防止暴露于空气的手套箱研究。
Chemistry graduate student Sarah Guillot conducts research on new battery materials in a glove box that prevents exposure to air.
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