沸点,Boiling point
1)Boiling point沸点
1.Study on the correlativity between boiling point and molecular volume and methyl number of aliphatic aldehydes and alkanones;脂肪族醛酮的沸点与其分子体积及甲基数的相关性研究
2.Theoretical calculation of boiling point change of sodium nitrate brine;硝酸钠卤水沸点变化理论计算
3.Topologic group space method for estimating normal boiling point enthalpy of vaporization and boiling point;蒸发焓及沸点估算的基团拓扑空间方法
英文短句/例句
1.100℃ is the boiling point of water.摄氏100度是水的沸点。
2.Lasater"s bubble-point pressure correctio莱氏泡沸点压力校正
3.The boiling point of water is 100 degrees centigrade.水的沸点是摄氏100 度。
4.The low-boiling inflammable part and the high-boiling residue both had to be discarded as useless.低沸点易燃部分和高沸点之残渣油均须弃置用。
5.This is based on the equilibrium relationship between boiling point and pressure, where reduced pressure (vacuum) causes boiling of water at lower temperatures than normally encountered at sea level.这是根据沸点和压力之间的平衡关系,减少压力(真空度)引起水的沸点比在海平面上的沸点低。
6.cook(eggs)in water just below boiling-point（在刚刚低于沸点的水中）煮（鸡蛋）.
7.Chemical reagent--General method for the determination of boiling pointGB/T616-1988化学试剂沸点测定通用方法
8.ebullioscope (laboratory glassware)沸点计（实验室用玻璃器皿）
9.More often than not, however, the geological temperature is only slightly above the boiling point, or even as low as80.然而通常，地热只稍高于沸点，甚至80度。
10.testing methods for high boiling point solvents高沸点溶剂试验方法(工业用)
11.A critical temperature of water is 1009=C, its boiling point at standard atmospheric pressure.在标准大气压力下，水的沸点为1009=C
12.determination of boiling range distribution-gas chromatography method沸点范围测定-气相色谱法
13.bring to, or maintain at, the boiling point, as of water and other liquids.使水或其它液体加温或保持在沸点。
14.A critical temperature of water is100=C, its boiling point at standard atmospheric pressure.在标准大气压力下，水的沸点为100＝C
e to the boiling point and change from a liquid to vapor.达到沸点能使液体变成汽体。
16.The materials of construction problem is eased by the lower boiling point.由于沸点较低，材料问题易于解决。
17.If the pressure is low, the boiling-point is low.如果大气压力低，沸点就低。
18.continuously adjustable selective hypsometer连续调整选择沸点测定器
相关短句/例句
boiling points沸点
1.Research on quantitative relationship between structures andboiling points of alkyl halides by means of molecular connectivity exponent;分子连接性指数法研究卤代烃的结构与沸点的定量关系
2.Novel topological indices: Molecular Polarizability Effect Index(MPEI),Vertex Degree-Distance Index(VDI),Odd-Even Index(OEI),Steric Effect Index(SVij) and Eigenvalues of Bond-connecting matrix(X1CH) were used to predict theboiling points and chromatographic retention indices(RI) on different polar stationary phases for a mixed set of aldehydes and ketones.通过对醛酮化合物分子结构特征及其气相色谱保留指数(RI)和沸点与分子结构间关系的研究,提出了分子极化效应指数(MPEI)、奇偶指数(OEI)、立体效应指数(SVij)、顶点度-距离指数(VDI)及键连接矩阵特征根(∑X1CH)等拓扑-量子结构参数,用多元线性回归(MLR)方法获得了醛酮类化合物的沸点及其在不同极性色谱柱上的气相色谱保留指数与这些拓扑-量子指数间良好的定量结构-性质相关(QSPR)模型,相关系数均大于0。
3.A new method, the group bond contribution method, was developed to calculate theboiling points of cycloalkanes from molecular structure.根据分子中基团的特性和连接性 ,发展了一种直接根据分子结构信息计算环烷烃沸点的新方法基团键贡献法 ,该方法既考虑分子中基团的特性 ,又考虑基团之间的连接性 (化学键 ) ,具有基团贡献法和化学键贡献法的特点 。
3)initial boiling point始沸点,初始沸点
4)ebulliometer[i,b?li"?mit?]沸点仪
1.3kPa with a new type of magnetically pump-ebulliometer.利用新型泵式沸点仪,在101。
2.3kPa with a new type of magnetical pump-ebulliometer.利用新型泵式沸点仪,在 101。
5)the normal boiling point正常沸点
parison and evaluation of group-contribution techniques for estimatingthe normal boiling point of organic compounds;估算有机物正常沸点的基团贡献法比较与评价
2.In the point of view of molecule force theory, the physical regularity reflected in physical phenomenon ofthe normal boiling point for open chain, aromatic, alicyclic hydrocarbons and carboxylic acids, a new theoretical equation ofthe normal boiling point for them is proposed.应用分子力学理论揭示出烃类和羧酸等的正常沸点Tb这一物理现象中的物理规律性,从而提出其正常沸点的理论方程,物理意义明确,经用链烃,环烃和羧酸等的298个纯质的实测值验算,平均误差为0。
6)boiling point(b.p.)沸点(b.p.)
延伸阅读
沸点沸点boilingpoint见汽化。
