以蒸汽分子扩散模型为基础，建立了预测霜层生长过程的数学模型，并建立了以液氮为冷媒的管内强制流动结霜实验台。
Based on molecular diffusion model of water vapor a theoretical model of frost growth is established and an experimental set with a liquid nitrogen cooled tube is built up.
你可以得到这个量，同时还有一台足够灵敏的探测器,这台探测器能够探测出RDX分子,室温下在蒸汽里面的。
You've gotta have, and the machine which basically is sensitive enough to detect molecules of RDX that are in vapor at room temperature.
冰和蒸汽的分子除它们以不同的速度运动之外是完全相同的。
The molecules of ice and steam are exactly the same except that they are moving at different speeds.
目前被动式氚取样器在国外取得了广泛的应用，它是基于气体分子扩散或渗透原理采集空气中氚化水蒸汽（ HTO）样品的一种方法。
Presently, passive HTO samplers are being widely used abroad. It samples HTO in air based on the principle of gas molecular diffusion and permeation.
在火中，氧分子将更大的分子氧化成二氧化碳和水蒸汽，火中的所有光和热都来自于含碳的大分子同氧气的结合。
Inside a fire, oxygen molecules break bigger molecules apart into carbon dioxide and water vapor. All the heat and light of a fire comes from big, carbon-based molecules combining with oxygen.
通过化学工艺计算，得到了各馏分的平均分子量和饱和蒸汽压，进而求出其挥发度。
Via chemic technique calculate, we get the average molecular weight and saturation vapor tension, thereby, we calculate the volatility.
蒸汽压及沸点取决于分子量及分子间作用力的类型。
Vapor pressure and boiling point depends on molecular mass and the type of intermolecular forces.
发现气体吸附量与气体温度、蒸汽压、气体分子偶极矩、样品纯度、矿物结晶度有关；
The sorptive capacity was found related to temperature and pressure of vapors, dipole moments of vapor molecules, purity of the samples, the crystallinity of the minerals;
研究了硬木纤维素在蒸汽闪爆改性过程中的各种状态及蒸汽闪爆对硬木纤维素超分子结构的影响。
Steam explosion treatment was carried out on hard wood pulp to study the state during the treatment and effect on the super-molecular structure of cellulose.
用空气作载气，研究了几种国产颗粒状a型分子筛从气流中吸着水蒸汽的动力学。
A kinetic study was made on the sorption of water vapor carried in a stream of air by pelleted molecular sieves of the A-type made in this country.
详述了分子筛初次启动和正常运行时的注意事项，并对电加热和蒸汽加热再生的安全操作做了简单说明。
The notices are described in details when Molecular sieve first startup & operating naturally, in addition, the secure operation of electric heater & steam heater are explained in brief.
与蒸汽压渗长期透法（VPO）相比，测定分子量数据的相对误差小于10％。
The relative errors of the molecular weights determined by cryoscopy are less than 10% as compared with those determined by VPO method.
利用蒸汽压渗透法对不同系列的DFI进行了分子量测试。
Different series of DFI were tested by molecular weight apparatus.
计算结果表明：硫醚水热裂解反应所需的水蒸汽量随硫醚相对分子质量的增大而增多。
The results indicate that water needed by full aquathermolysis reaction increases with molecular weight of thioether.
在通常条件下，在空气中除了水蒸汽外，没有其他极性分子的影响需要考虑，特别是在人们工作的区域。
In normal conditions there are no notable amounts of other polar molecules in the air except water vapour, especially in areas where people work.
本工作考察了分子筛裂化催化剂水蒸汽减活与表面酸度、表面积，和相对结晶度的关系。
The relation between steam deactivation and surface properties of zeolite - containing cracking catalyst was investigated.
本工作考察了分子筛裂化催化剂水蒸汽减活与表面酸度、表面积，和相对结晶度的关系。
The relation between steam deactivation and surface properties of zeolite - containing cracking catalyst was investigated.
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