boiling range
英 [ˈbɔɪlɪŋ reɪndʒ]
美 [ˈbɔɪlɪŋ reɪndʒ]
沸腾范围；（油料）沸程
双语例句
- An oil formed through distillation of petroleum of intermediate boiling range and viscosity.
由沸点范围和粘度范围居中的石油蒸馏形成的油。 - Determination of boiling range distribution-gas chromatography method
沸点范围测定-气相色谱法 - Niobium is useful below atmospheric boiling point across of the concentration range.
铌适用于常压沸点以下的大部分浓度范围； - The experimental results indicate that both PAM and ODA enhance the flow boiling heat transfer of water, and have an optimum range of concentration PAM can reduce the drag of flow boiling to enhance boiling heat transfer by increasing flow velocity.
研究结果表明，W/O型聚丙烯酰胺和十八烷胺都具有强化流动沸腾传热的性能，而且有最佳浓度范围。PAM还具有减阻性能，因而可提高流速来强化流动沸腾传热。 - The relationship among the boiling range, cetane number, smoke point, and other properties such as aromatics content, aniline point, and the sulfur and nitrogen content was also studied.
分析了轻瓦斯油窄馏分的馏程、十六烷值、烟点以及其他性质如芳烃含量、苯胺点、硫氮含量之间的关系。 - The possibility is studied for producing bean extractive solvent oil boiling range of 60~ 90 ℃ with the aromatic raffinate of splitting light-end products.
研究了轻烃裂解的芳烃油余油生产大豆抽提溶剂油（60～90℃馏分）的可能性。 - The parameters used in these empirical correlations are density and boiling range or density and kinematic viscosity which are easy to obtain and these correlations are simple in form.
关联式所用参数为直馏馏份油的密度和平均沸点或密度和运动粘度，这些参数易于得到，形式也较简单，可供炼油和石油化工工艺计算使用。 - Narrow cuts of reactant and product with boiling point range intervals of 30 ℃ were determined by gas chromatography simulated distillation. A first order reaction kinetic model was developed.
反应产物通过气相色谱模拟实沸点蒸馏分析，以30℃的馏程范围划分成窄馏分，提出了一级反应动力学模型； - Operating conditions were adjusted and optimized, such as maintaining equilibrium catalyst with lower activity, increasing catalyst to oil ratio, lowering the riser outlet temperature for reducing the cracking severity, increasing recycle ratio and widening the LCO boiling range.
通过半年多的操作条件优化和调整，使用低活性平衡催化剂，提高剂油比，降低提升管出口温度，增大回炼比，降低了反应深度； - At the same time, the critical heat flux of such spraying porous layer is also higher than that of smooth plane, and it can enhance the boiling heat transfer within wide heat flux range.
喷涂多孔表面沸腾临界热流也比光表面高，可以在比较宽的热流范围内强化沸腾换热。 - Comparison of the experimental and calculating results indicates that the empirical correlation could be used to predict the heat flux of the onset of nucleate boiling within the range of the experiments.
该关联式可以用来预测实验范围内的过冷沸腾起始点的热负荷。 - According to the difference of boiling points of components, it can obtain low temperature with a large working temperature range.
它使用单级压缩，利用高、低沸点组分的沸点差别，通过系统内部复叠的方法，可以获得较大的工作温区，制取较低的温度。 - Application of Capillary Chromatography in Benzene Boiling Range Analysis
毛细管色谱法在苯产品馏程分析中的应用研究 - This paper discusses the effects of the boiling range of the reforming feedstock on aromatics extraction.
本文论述了重整原料油馏分范围对芳烃抽提效果的影响。 - In the extracting study, it has showed hydrochloric acid-heat treatment is a simple, convenient and effective extracting methods is which was used to destroy the cell wall, and the extracting organic solvent is petroleum ether whose boiling range is 60~ 90 ℃.
研究中还找到一个简便有效的对β-胡萝卜素的提取方法，选用盐酸-热处理法进行细胞破壁，并选用沸程为60～90℃的石油醚进行萃取。 - Determination of boiling range distribution of light crude oil by simulated
常温进样测定轻质原油馏程的模拟蒸馏方法 - Simultaneous Determination of Crystallization Point. Density. Boiling Range and Purity of Petroleum Benzene by Gas Chromatography
用气相色谱法同时测定石油苯的结晶点、密度、沸程及纯度 - Extending the boiling range of fuels tis an effective approach to increase diesel fuel production.
生产宽馏分柴油是大幅度增产柴油的有效途径。 - Extractive distillation is mainly used to separate azeotrope and components of narrow boiling range.
萃取精馏主要用于分离共沸物和近沸程物系。 - Separation of benzene and cyclohexane is difficult by a conventional distillation process because these components form close boiling point mixtures at the entire range of their compositions.
采用普通精馏无法分离苯和环己烷，因为苯和环己烷在全组成范围内相对挥发度接近，沸点也接近。