美国人平均每年接触的细微颗粒物减少了约27%，欧洲的减少幅度较小。
The United States has experienced a reduction of about 27 percent in the average annual exposure to fine particulate matter, with smaller declines in Europe.
在这三个地方，周日的细微颗粒物污染也更少，就好像在夏季臭氧浓度也会减少一样。
In all three places, fine-particle pollution also fell on Sundays, as did ozone in the summer months.
这一选择考虑了高热物理性能，并通过减少大气和温室气体中的细微颗粒物提供效益贡献。
This choice allows high thermophysical performances as well as providing an effective contribution by reducing fine particles in the atmosphere and greenhouse gases.
拟晶体任一种由蛋白质构成的类似晶体的细微颗粒，发现于某些植物的细胞，尤其是在油料种籽中。
Any of various minute crystallike particles consisting of protein and found in certain plant cells, especially oily seeds.
这种救生罩带有一个HEPA过滤器，它能过滤超过99.97%的细微颗粒，如炭疽，天花和放射性粒子。
The hood contains a HEPA filter that removes more than 99.97 percent of submicron particles such as anthrax, smallpox, and radioactive particles.
粉末通过具有扁平横截面的管道（5）分配，以使聚结的粉末散开并用于产生具有细微颗粒尺寸的喷羽流（3）。
The powder is dispensed through a duct (5) with a flat cross section to deagglomerate the powder and to generate a spray (3) with fine particle size.
摘要：软土路基主要由粘土和粉土等细微颗粒含量多的松软土、空隙大的有机质土、泥炭土以及松散砂等土层构成。
Abstract: : the soft soil roadbed is mainly composed of clay and silty soil fine particle content of soft soil, the gap of the organic soil, peat soil and loose sand soil layer.
海藻全身磨砂：在纯水溶性按摩啫喱内加入了杏核外的细微颗粒，温和的去除坏死角质，同时超级补水，使用后肌肤如丝般光滑。
Algae Exfoliation for Body: The combination of micro grains outside almond kernel and Algae Skin Peel Set helps to remove dead cells, hydrate the skin and restore a silky skin.
静电除尘器（ESP）对总烟尘去除效率超过99%，但对细微颗粒物（PM2.5）的去除效率较低，约90.9%-96.8%；
The removal efficiency of electrostatic precipitator (ESP) could exceed 99% for total PM but ranged only 90.9%-96.8% for fine PM (PM2.5).
这些由火山灰构成的细微玻璃状小颗粒会刮伤飞机窗户，阻塞引擎甚至导致引擎熄火。
The fine, glassy particles that make up volcanic ash scour airplane Windows and can clog and stall jet engines.
为了完成这项发明，Grzybowsk博士和他的团队将细微的金银颗粒植入主要成分为异丁烯酸甲脂的凝胶中(即制造塑胶玻璃的主要原料)，并将其夹在两片薄薄的塑料片中。
To create it, he and his team embedded particles of gold and silver into a gel made mainly of methyl methacrylate (the raw material of Perspex). This was sandwiched between two thin, plastic sheets.
柴油污染十分严重，其有害二氧化氮及细微污染颗粒的排放量比汽油更大，并可能导致癌症、心脏病。
Diesel is highly polluting, emitting far greater amounts of dangerous nitrogen dioxide and tiny pollution particles than petrol, and can cause cancer to heart attacks.
Pope教授谈道：“哪些类型的粒子对人体最为有害，关于这个问题人们仍在争论不休，我们暂时还不明了，最具危害性的，到底是硫酸盐，硝酸盐，还是细微粉尘颗粒。”
"There are still big debates about which type of particle is the most toxic," said Pope. "We're not sure whether it's the sulfates, or the nitrates, or even fine dust that's the most problematic."
细微不溶性颗粒高水平持续时间越长，引起心血管疾病的总危险性就越高，包括中风和心脏病发作。
Higher long-term average levels of fine particulate matter also led to a higher overall risk of cardiovascular disease events, including stroke and heart attack.
两个城堡的两个建造者。他们有很多共同之处。他们变细微的颗粒为辉煌的建筑。
Two builders of two castles. They have much in common. They shape granules into grandeurs. They see.
首先，结合辅料颗粒形态特性的细微分析，对颗粒粒径分布(PSD)进行分析。
First, a particle size distribution (PSD) analysis together with a detailed analysis of morphological properties of the excipient particles were performed.
细微粉末状的过滤材料的表面积比粗糙颗粒的表面积大得多。
Filtering materials in the form of very fine powders exhibit greater surface area than coarser granules.
通过一把静电枪吸附涂料颗粒，将液化的涂料粉末施力涂抹到框架的每一条细微缝隙中。
Fluidized powder coating is applied to frames through an electrostatic gun, attracting the paint particles into every crevice.
通过一把静电枪吸附涂料颗粒，将液化的涂料粉末施力涂抹到框架的每一条细微缝隙中。
Fluidized powder coating is applied to frames through an electrostatic gun, attracting the paint particles into every crevice.
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