查询词典 air gas

However, if we use 99% nitrogen gas (N2) as the atmosphere, substituting for air, the viscoelastic parameters reveal an undiscernible change, different from that in an air atmosphere.

采用动态时间扫描的方法对200℃空气气氛中HDPE模量变化进行实时检测，发现HDPE的氧化交联存在与一般的自由基聚合相类似的诱导、自加速和增长三个阶段。

A turbocharger is a dynamic compressor, in which air or gas is compressed by the mechanical action of impellers, vaned rotors which are spun using the kinetic movement of air, imparting velocity and pressure to the flowing medium.

蒸气增压器是一台动态压缩机，在哪空气或气体由叶轮的机械行动压缩，使用空气的运动运动转动的vaned电动子，给予速度和压力到流动的媒介。

In the presence of a high voltage discharge in an air gap, free electrons, which are always present in the air, accelerate and ionise the gas.

在场的高电压放电的空气间隙，自由电子，这是始终存在于空气，加速和ionise的天然气。

Presents some equations describing tracer gas concentration decay as a base for the experiment, analyses various factors influencing air changes in the room, effectiveness of the technique and its proper implementation, and concludes that the room layout and open-and-shut state of windows and doors in the space measured have a major effect on air changes.

提要 用示踪气体浓度衰减法对某会议室的自然通风作了实测研究，分析了影响换气次数的各种因素、示踪气体浓度衰减法的有效性及其正确应用。揭示出不同的房间布置及不同的门窗开启情况对换气次数有很大影响，而示踪气体浓度衰减法是对此进行实验研究的有效手段。

This is the socalled thin layer penetrating air drying process. The critical thickness of wet silkworm chrysalises is about 27~35 mm. In the thin layer penetrating gas drying process of silkworm chrysalises, the temperature of drying medium is subject to that at which the protein can withstand and the flow rate is subject to the allowable leakage of air from the media layer; c. For the surface convective drying process of stripe porous media e.

对于粒状多孔介质的穿流气流干燥过程，当物料厚度小于某一临界厚度时，厚度的变化对干燥过程无明显影响，即所谓薄层穿透气流干燥过程，就蚕蛹而言，临界厚度约为27~35mm；在蚕蛹薄层穿流气流干燥过程中，介质温度应以蛋白质所能承受的温度为限，流速应以穿流料层时不发生漏风现象为限；c。

Elaboration has been made on the design concept, construction and characteristic of a thermal type gas massflowmeter, which has the advantage of being capable of testing air mass flow and automatically counterpoising the effect oftemperature and pressure variations on air flow, and features high testing accuracy .

介绍能够测定空气质量流量，且可自动补偿温度及压力变化对空气流量影响，测量精度高的热膜式气体质量流量计的原理、构造和性能。

According to the actual parameters of coal mining face, the models of jet blower and air compressor are made out. Then locate the jet blower on mining face and air screen is produced by the jet blower to prevent the gob areas gas effusing to the top even angle.

然后在工作面具体安放射流风机，通过射流风机产生空气幕进行均压、阻断采空区瓦斯向上隅角涌出。

Company's core products include: central air-conditioning system disinfection purification devices, industrial waste gas purification plant oil mist, air purifiers series, hedgehopping catering hood, industrial desulfurization equipment out of stock and plasma nitriding equipment.

公司核心产品有：中央空调系统净化消毒装置、工业废气油雾净化装置、空气净化器系列、超低空餐饮油烟机、工业脱硫脱销设备和等离子渗氮设备等。

The multi-layer wire mesh structure on the premixed gas of acetylene/air and propane/air explosion has been studied.

研究了多层丝网结构对乙炔/空气混合气体和丙烷/空气混合气体燃烧爆炸的抑制作用。

Cable reel, hose reel, gas hose reel, air hoist, air balancer, gasket for plate type heat exchanger use.

空气软管，油软管，电缆，瓦斯软管等卷盘，气动吊车，气动平衡吊车，板式热交换器用垫片之进口销售。。。。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。