查询词典 vapour pressure

For molecular solutes, the lowering of vapour pressure is the same for the same concentration

对于分子溶质，具有相同浓度的任何溶质蒸气压的降低都相同。

Vapour pressure is an important product specification.

蒸气压是一个重要的产品规格。

The accuracy measurement of vapour pressure do be a topic of higher experimental technique and momentous theory significance.

认为准确测定元素的蒸气压本身就是一个实验技术很高，理论意义重大的课题。

DETERMINATION OF THE REID VAPOUR PRESSURE OF PETROLEUM AND ITS DERIVATIVES BY THE MICRO METHOD.

石油和石油馏出物雷德蒸气压的测定方法-微量法

The activities of Sb in nine Sn-Sb alloys at 923,1023 and 1123 K were determined by measurement of vapour pressure.

本文在自行研制的测定蒸气压装置上，测定了9个不同成分的Sn－Sb合金在923，1023，1123K时Sb的活度。

The most accurate observations are made when we observe the light emitted when the vapour pressure is low.

当蒸气压很低时，可以对原子所发射的光谱作出最精确的观测。

A w is the ratio of water vapour pressure of food to that of pure water at the same temperature.

a w指相同温度下，食品的水蒸汽压P和纯水的蒸汽压P0之比。

Water activity is the ratio of water vapour pressure of food to that of pure water.

水分活度等于食品的水蒸汽压P和纯水的蒸汽压P0之比。

Based on the analysis and comparison of published equations for vapour pressure of liquid yellow phosphorus ,a new equation has been proposed in this paper.

在分析比较文献报导的液态黄磷蒸气压方程的基础上，提出了一新的蒸气压方程；与文献数据比较，其在44～350℃下的MARE为1.58％，比现有方程的最优者低1.26％，为推算液态黄磷蒸气压提供了一种更精确的方法。

As a first criterion for their application, an equation of state must accurately predict the vapour pressure of the pure components.

状态方程的首要应用标准是必须能够精确地预测纯组分的蒸汽压。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。