查询词典 airtightness

The shape of the cutter could be changed according to the practical situation because of the mobility of the contact points of the metal balls. And when cutting underwater, good effects were achieved because of the Mohaupt effect and airtightness of the hollow metal balls.

利用多个空心金属球之间接触的可移动性，能随时根据实际情况改变其外形；利用空心金属球的聚能效应和密封性，可以达到很好的水下爆破切割效果。

In order to save energy, modern buildings have increased the airtightness of their structures, and decreased their ventilation volume, thus leading to the worsening of indoor air quality. In view of this, the study used solar-energy electrolytic condensed water to improve the IAQ. Besides hydrogen that can serve as a replaceable energy for environmental protection, oxygen can even offer valuable usages.

为了因应节约能源，现代建筑物在建筑结构上增加其气密性，并且减少建筑物的通风换气量，致使室内空气品质恶化，故本研究利用太阳能电解冷凝水改善室内空气品质，除了氢气可供作为环保替代能源之外，氧气更能够做有价值的利用。

Airtightness, the use of mechanical

密封、使用机械通风可以减少通风损失。

The results show that heating at1500oC for 10 minutes in vacuum is the best brazing process. In the ceramic side none defects was observed at the interface of ceramic and solder, which leads to uniform brazing seam and excellent airtightness.

本文对单晶Al2O3/Pd/Nb焊接工艺、界面组织结构等进行了研究分析，结果表明在真空状态下，温度为1500℃，保温10分钟得到的焊缝均匀一致，没有任何的孔洞缺陷，气密性检测说明焊接情况良好。

As a thermal compensation device, bellows expansion joints can compensate for the pipeline's thermal growth and the equipment's movement, and absorb the pipeline's vibration, which have characteristics such as simple assembly, good airtightness, a small area coverage, durability, reliable quality, large compensation quantity, and so on.

波形膨胀节作为热补偿元件，能够补偿管道的热变形、机械位移和吸收管线振动，具有装配简单、气密性好、占地面积小、工作可靠、补偿量大等优点，在航空航天、核电、石油化工、水利、城建、电力、冶金等领域得到了广泛应用。

Compared with riveted and welded structures, the over-all aluminum wallboard profiles (wallboard or profile in short term), have the advantages of high strength/density ratio, fine airtightness and reliable properties, being widely used in ship, traffic and special containers etc.

大型铝型材整体壁板具有比强度高、造型美观、耐腐蚀性和气密性好等优点，随着交通运输的高速化、节能降耗、减轻环境污染等要求的日益高涨，研制挤压壁板作为车厢地板、壁板、顶板等结构件就愈加重要。

The aluminum frame is formed one time with minimum connectors left, meanwhile, double sealants of butul silicon and polysulfide rubber or structural silicon are used to keep the airtightness and the using time.

密封性：铝间隔框采用自动弯管技术一次成型，最大限度地减少接驳处；采用丁基胶和聚硫胶或结构胶双道密封，确保中空玻璃的密封性并延长其使用寿命。

With the two cavity parameters ε〓 and K〓, instead of the only one ε〓, as rules to measure the cavity airtightness by ε〓 and the isothermalness by K〓 seperately, Eq.

重力式热管大面积蜂窝黑体辐射源本文还利用铜/水型重力式热管技术研制了大面积蜂窝黑体辐射源。

AIRTIGHTNESS TEST.

空气密封试验。

Products have excellent characteristics of beauty, heat insulating, sound-proofing, airtightness, antiweatherability, anti-chemical and antiimpacting, including large cross-section, big wall-thickness, many cavities, integral whole window, soft-hard extrusion and Europe style.

产品除具有防腐耐侯、隔音隔热、密封保温、抗冲美观等优良性能外，还具有大断面、大壁厚、多腔室、一体窗、软硬共挤、通配性强和欧式风格等特点。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。