查询词典 gases

Ash and toxic gases can cause lung damage and other problems, particularly for infants and the elderly.

灰和有毒的气体损伤肺和引起别的问题，特别是对婴儿和老人。

Combustion and/or evolution of considerable heat;evolution of flammable , toxic or asphyxiant gases

燃烧和；或放出大量的热；放出易燃、毒性或窒息性气体

We must trace the source of these noxious gases before they asphyxiate us.

在我们被这些有毒气体窒息之前，必须查出其来源。

Two principal hazard s exist in dealing with inert gases: asphyxiation and pressure.

涉及惰性气体时存在两个主要的危险：窒息和压力。

"Aspirator: a device for removing liquids or gases by suction, especially an instrument that uses suction to remove substances, such as mucus or serum, from a body cavity."

抽吸装置：用抽吸装置排出液体或气体，尤指用抽吸法排出东西的工具，如从体内排出粘液或浆液。

Eco-friendly fridge uses hfc-134a gases instead of cfc's as they are less damaging on the environment and in some applications have been proven to operate more efficiently top piece manufactured from one sheet of borosiliacte glass, at the end of the product lifecycle the sheet can be melted down and recast as anothe glass product or crushed down and used in applications such as tarmac and astroturf.

因为他们是较不残损的在环境和在一些， eco友好的冰箱使用hfc-134a气体而不是cfc的应用被证明从borosiliacte玻璃一板料更加高效率地操作被制造的顶面片断，在产品的生命周期的结尾板料可以被熔化和重铸作为另一个玻璃产品或被击碎下来和用于应用例如柏油碎石地面和astroturf。

Because of the equipment and combustion methods, more and more baneful gases are released into the air, which are harmful to people's health and life.

尤其受到密切关注的大气污染给人类生活和工农业生产带来日益严重的危害。

In this paper, a quaternary ammonium salt of chitosan was synthesized and the factors affect on the solubility or degree of substitution of product, such as the concentration of alkali, the time of basification, the content of water in system, the time of dispersing and the method of adding epoxyproryltrimethylammonium chloride, were discussed in detail. The product was characterized by IR, DSC, TG and X-RAY diffraction. The effects of time, humidity and temperature on the gases permeability of the quaternary ammonium salt of chitosan film were researched.

本论文研究了壳聚糖季铵盐的合成反应，对碱化浓度、碱化时间、水的含量、分散时间和醚化剂的加入方式等因素对制备反应的影响进行了考察；应用红外光谱、DSC、TG以及X-射线衍射对产物进行了表征；探讨了时间、湿度和温度对壳聚糖季铵盐膜透气性的影响。

It could be defined as the process by which gases and liquids move about, due to changes in temperature and pressure.

它可以被定义为的过程，气体和液体的移动，由于温度的变化和压力。

Fluid may be subdivided into liquids and gases.

流体又可再细分为液体和气体。

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。