Diesel engines emit ultra-fine particles that reach the lungs most easily.
此外，专家还警告，柴油发动机释放的超细粒子污染物相对别的污染物而言更能接触我们的肺。
At present, our company main products, both series of ultra-fine fibers.
目前我公司主要产品，既超细纤维系列。
Building Materials Industry: ceramic body, glaze, ultra-fine powder, etc.
建材工业：陶瓷坯料、釉料、超细粉料等。
Ultra-fine jet mill fineness head in the middle of 80-1250 can be adjusted.
超细微气流粉碎机细度在80-1250目中间可任意调整。
Study is made of the vibrating ball miling for ultra-fine WC powder preparation.
对振动球磨法制取超细碳化钨粉末进行了研究。
The properties, uses and manufacturing processes of ultra-fine titanium oxide are described.
叙述了超细二氧化钛的性能、用途和制备方法。
Very si-milar results can be obtained when industrial high-pure, ultra-fine powders are used.
用工业生产的高纯超细粉体可重复获得相近的性能。
Waste strip pickling liquor was used as raw material to produce ultra-fine magnetic particles.
以带钢酸洗废液为原料，利用超声波技术生产超细磁性颗粒进行了研究。
It was found that a great deal of ultra-fine grains appear in AZ91 just after one pass of ECAP.
研究发现，AZ91镁合金经过一个道次的等通道角挤压后，材料中就有大量的超细晶粒出现。
The temperature and the deformation rate are the key factors to prepare ultra-fine grain materials.
变形温度和变形速率是获得超细晶材料的关键。
The microstructure and mechanical properties of welded joint of ultra-fine grained rebar were studied.
研究了超细晶粒钢筋焊接接头的组织和力学性能。
The characters of new steels are high cleanliness, high homogeneity, ultra-fine grained and micro alloyed.
主要技术路线是高洁净度、高均匀性、微合盒化、超细晶粒及组织。
The main reason for strength increase of V microalloyed steel is ultra-fine microstructure in TSCR process.
组织超细化是导致薄板坯连铸连轧流程V微合金钢强度提高的主要原因。
These yellow composite polishers use an extremely flexible special silicon bond and ultra-fine diamond grit.
这些黄色的复合体抛光器具有超柔软的特殊硅胶带和超精细金刚砂。
The uniform ultra-fine grained copper was prepared by asymmetrical accumulative rolling bonding(AARB)and anneal.
对铜材进行异步累积叠轧并退火处理，制备出了均匀稳定的超细晶铜材。
Shot Peening(SP)is a typical severe plastic deformation method to produce ultra-fine grains of metallic materials.
高能气动喷丸是通过剧烈塑性变形产生细晶材料的方法之一。
SP52 ultra-fine grain hot rolling sheets which have Q235 composition were produced in Pansteel 1450 industrial mill.
在攀钢1450热连轧机上，用Q 235普碳钢成分生产出了具有超细晶粒的SP52热轧钢板。
The simulations of austenite grain growth in HAZ of ultra-fine grain steel make foundation for future research work.
本文的研究结果将有助于新一代钢铁材料焊接HAZ组织模拟的进一步研究。
This thesis carries on the study of preparing claviform ultra-fine iron powder by liquid precipitation-thermal reduction.
本文研究了以液相沉淀法合成前驱体，然后对前驱体进行热分解还原得到棒状超细铁粉的方法。
The key equipment of a pilot plant to produce ultra-fine tourmaline powder with jet mill and stirred ball mill is described.
本文主要利用以气流磨和搅拌磨为主体的超细粉碎中试线，对电气石超细粉体的制备工艺进行了探讨。
This module of distributed parameters used in the lower microwave band is skillfully combined with an ultra-fine thin-film technology.
本文介绍一种将微波低频段分布参数电路与超微细薄膜工艺结合的微型化、低噪声、高选择性的放大模组。
The equal-channel angular pressing (ECAP) had achieved the potential for obtaining ultra-fine grain and improving mechanical properties.
等径弯曲通道变形（简称ECAP）具有获得超细晶组织和改善力学性能的潜力。
Ultra-fine jet mill machine from the host, control cabinet, riser, closing with powder, dust removal devices, stents and other components.
超细微气流粉碎机整机是由主机、电控柜、立管、收粉器、除尘装置、支架等组成。
The study status of dry classification theory of ultra-fine powder was reviewed, and the trend of ultrafine powder classification was prospected.
综述了超细粉体干法分级的理论研究现状，并对超细粉体分级的发展趋势进行了展望。
Material: imported ultra-fine particle tungsten steel, applies to medium carbon steel with rigidity HR200-HB300R, aggregate, stone and image RBI.
材质：超微粒钨钢，用于硬度在HR200-HB300R的中碳钢，铸铁的细线加工用于加工骨料，石料，以及影象打点。
The paper adopted a jet mill to prepare ultra-fine bentonite, and mainly seek into the effect of equipment operating parameters on bentonite pulverized.
本文采用气流粉碎机进行膨润土超细粉体制备研究，主要考察设备操作参数对该粉体制备效果的影响。
The distinct ways of forming PET/PA composite and sea-island ultra-fine fiber are discussed, as well as distinct techniques in peeling process are introduced.
通过论述涤锦复合超细纤维和海岛型超细纤维成纤方法的不同，介绍了两种超细纤维的不同开纤剥离工艺。
The zinc powders are classified as ordinary, fine and ultra-fine according to the grain diameter and spherical, lamellar and irregular according to the grain shape.
锌粉按粒径大小可分为普通锌粉、细锌粉和超细锌粉，按形状可分为球状锌粉、片状锌粉和不规则形状锌粉。
Through a large number of investigation and production practice, it was found to have the functions of ultra-fine comminution as well as purification of the minerals.
通过大量的试验研究和生产实践，发现它不仅可以进行超矿物细粉碎，而且还兼有提纯矿物的作用。
Results indicate that proper quantities of ultra-fine limestone flour can help engineers to decrease the time-loss of concrete slump constant and to increase concrete strength.
适当的掺量可减少混凝土坍落度的经时损失，提高混凝土强度。
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