查询词典 air-proof

Powered air purifying respirators are a type of respiratory protection in which a battery-powered blower pulls air through filters that trap particles (including those containing viruses and bacteria) that may be present, and then moves the filtered air to the wearer's facepiece or hood.

电动送风过滤式呼吸器是过滤式呼吸器的一种，利用电池驱动风机迫使空气通过过滤元件过滤，空气中存在的颗粒物（包括那些含有病毒、细菌的颗粒物）被过滤元件捕获，过滤后的空气被送入面罩或头罩内供使用者呼吸。

Castles in the air; aerial castle; a fantasied edifice; air-castle; a mirage; a Spanish castle; be a castle in the air ; cloud-castle; day-dreams; illusions; fata morgana Sicily;"ivory tower"; plan empty visionary schemes; realm of fancy

成语建造在半空中的楼阁。个别时候比喻崇高的人格；旷达的胸襟。一般比喻虚构的事物。现多用来比喻脱离实际的理论、计划及空想。例句制定发展规划要切合实际；万不可如～；毫无价值。

Experiments have been made to investigate the performance of pump operating under conditions of air-water, solid-water and air-water-solid, also considered influence of adding frother when entrained air.

通过大量的试验，进行了气液、固液、气液固等各工况下泵性能的研究，并考虑了通气时加入起泡剂的影响。

The process includes making samples using Superpave Gyratory Compactor, selecting gradation by the criterion of stone-on-stone contact and certain air voids in the mix and determining the optimal asphalt content limited by draindown test and expected air voids as the main controllability condition. It is suitable to increase the asphalt content of the mix in the range of expected air voids, which can ensure the compatibility of function and durability of porous asphalt.

该方法采用旋转压实仪成型试件，通过计算法确定初试沥青用量，以石-石接触和一定条件下的空隙率作为设计级配选取的根本依据，在最佳沥青用量的确定中，以沥青析漏损失和空隙率作为主要的控制指标，在设计空隙率的基础上，通过使用纤维增大沥青用量，以保证沥青混合料兼备功能性和耐久性。

The results shown that, for the typical kind of photonic crystal fibers with hexagonally arrayed circular air holes, the band gap of acoustic wave of XY mode appears only when the air holes' filling rate is greater than certain threshold value, and the upper and lower boundary values of the band gap decrease with the increasing of the air holes' filling rate.

结果表明，对于较为常见的空气孔排列为六角密排结构、空气孔形状为圆形的实芯光子晶体光纤，只有当空气孔的填充率大于一定阈值时才出现较明显的XY模态声波的带隙，并且最低与次低带隙的上下边界均随空气孔的填充率的增大而下降。

According to the characteristic of composing air missile group to antagonize enemies air attack formation,this paper studies an evaluation model of shooting efficiency about homotype and different-type ground air missile groups using queuing theory and probability theory,and proves the feasibility and validity of this model.

针对现代防空作战中组建地空导弹群抗击敌空袭编队的特点，运用排队论原理和概率论理论对同型和异型的地空导弹群射击效能评估模型进行了研究，并通过实例验证了该模型的可行性和有效性。

For air shipments all packages must be incompliance with International Air Transport Association/International Civil Air Organization Dangerous Goods Regulations, as well as DOT regulations.

对于空运，所有包装还要遵守国际空运协会/国际民航协会危险货物的规定，以及DOT的规定。

For air shipments all packages must be incompliance with International Air Transport Association/International Civil Air Organization Dangerous Goods Regulations, as well as the DOT regulations.

对于空运，所有包装必须遵守国际航运组织/国际民航组织的危险货物规定，以及DOT的规范。

For air shipments, all packages must be incompliance with International Air Transport Association/International Civil Air Organization Dangerous Goods Regulations

对于空运，所有包装还要遵守国际空运协会/国际民航协会危险货物的规定。

IELTS Co., Ltd. air conditioning YASI CONDITION TRADE CO., LTD Company Profile IELTS Co., Ltd. is a home air-conditioning, central air-conditioning wholesale business, sales, installation, repair and floor heating for one the professionalization of the company, the modern rationale for Daikin, Carrier, United States, Long Tian (China-Australia joint venture), Beretta, Paloma, Spain loka, Ben United States and Thailand, Hangzhou Qing Pu, etc. are well-known brands.

雅思空调贸易有限公司YASICONDITION TRADE CO。，LTD公司概况雅思空调贸易有限公司是以家用、商用中央空调的批发、销售、安装、维修以及地板采暖为一体的专业化公司，现代理大金、开利、美的、朗田、贝雷塔、百乐满，西班牙洛卡，美国奔泰，杭州普青等国内外知名品牌。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。