1) Excess partial molar volume
超额偏摩尔体积
2) Limiting excess partial molar volume
极限超额偏摩尔体积
3) excess molar volume
超额摩尔体积
1.
Density values were used in determination of excess molar volumes.
15K条件下,采用U形振动管密度计测定了对甲氧基苯甲醛-N,N-二甲基甲酰胺二元物系的密度,采用乌氏黏度计测定其黏度;并由密度和黏度数据分别计算了该二元物系超额摩尔体积VE和混合黏度的变化Δη。
2.
The excess molar volumes were related to compositions by(polynomial) regression and the excess viscosities were related to compositions by Redlick-Kister equation.
分别计算了超额摩尔体积和超额粘度,在实验温度范围内,超额摩尔体积和超额粘度均为负值,说明甲醇与乙二醇混合产生负偏差,不同温度下的超额摩尔体积与组成的关系可以用多项式进行回归,超额粘度与组成的关系可以用Redlich-Kister方程进行关联回归。
3.
Density and viscosity data were used in calculation of excess molar volume(V~E)and deviation of viscosity(Δη)of the system.
15K条件下,采用U形振动管密度计测定了对二甲苯-醋酸-水三组分物系(水质量分数为5%和10%)的密度,用乌氏黏度计测定了对二甲苯-醋酸-水三组分物系的黏度,用密度数据计算了超额摩尔体积,用黏度数据计算了混合黏度的变化。
4) partial molar volume
偏摩尔体积
1.
Calculation of partial molar volume of components in supercritical ammonia synthesis system;
超临界氨合成体系的组分偏摩尔体积的计算
2.
15 K were determined and transfer partial molar volumes from water to aqueous urea were derived.
计算了三种氨基酸从水到尿素-水混合溶剂的迁移偏摩尔体积,结合前期的氨基酸从水到尿素-水混合溶剂的迁移焓,探讨尿素-水混合溶剂的结构特点及其对氨基酸与尿素相互作用的影响。
3.
The partial molar volumes of the solutes were calculated based on the relationship between the concentrations of the solutes and the densities of the mixtures.
在 313 5～ 32 3 5K、 7～ 14MPa范围内测定了CO2 及CO2 甲醇、CO2 乙醇、CO2 正丁醛、CO2 异丁醛二元混合流体的表观密度 ,讨论了压力、第 2组分的种类和加入量对CO2 表观密度的影响 ,在此基础上计算了溶质的偏摩尔体积 ,讨论了温度、压力和第 2组分的性质对溶质偏摩尔体积的影响规律 。
5) standard partial molar volume
标准偏摩尔体积
1.
An improved hard-sphere model predicted rightly the changing trend of the standard partial molar volume of alkyl chain of amino acids with concentration of electrolyte,and confirmed the assumption that the sum of standard partial molar volumes of CH and CH3 groups is twice as many as the standard partial molar volume of CH2 group.
根据改进的硬球混合物模型,正确预测了氨基酸分子的烃链在电解质水溶液中的标准偏摩尔体积随电解质浓度的变化关系,并证实了“氨基酸分子中CH和CH3基团的标准偏摩尔体积之和是CH2基团标准偏摩尔体积的2倍”这一假定。
2.
The apparent molar volumes, stan- dard partial molar volumes ( V2 s,φ ), standard partial molar volumes of transfer for the dipeptide from water to aqueous sodium acetate solutions (△tV ), the hydration number and volumetric interaction coefficients have been calculated.
0mol·kg-1乙酸钠水溶液中的密度,计算了这些肽在乙酸钠水溶液中的表观摩尔体积,标准偏摩尔体积,标准偏摩尔转移体积,理论水化数和体积相互作用参数。
6) limiting partial molar volume
极限偏摩尔体积
1.
Apparent molar volumes, limiting partial molar volumes and transfer partial molar volumes have been calculated.
利用Anton Paar DMA 55精密数字密度计测定了L-丙氨酸在LiNO3,NaNO3,KNO3和NaClO4水溶液中的密度,计算了L-丙氨酸的表观摩尔体积、极限偏摩尔体积、迁移偏摩尔体积、理论水化数和体积作用系数。
2.
Apparent molar volumes, limiting partial molar volumes, transfer partial molar volumes and hydration numbers for these three amino acids have been calculated.
15K时甘氨酸、L-丙氨酸或L-缬氨酸与不同组成的木糖醇-水混合溶剂构成的三元系溶液的密度,计算了氨基酸的表观摩尔体积、极限偏摩尔体积、迁移偏摩尔体积和水化数。
3.
Apparent molar volumes, limiting partial molar volumes and transfer volumes have been calculated.
用Anton Paar DMA55精密数字密度计测定了甘氨酸和L-丝氨酸在LiNO3,NaNO3和KNO3水溶液中的密度,计算了氨基酸的表观摩尔体积、极限偏摩尔体积、迁移偏摩尔体积、理论水化数和体积作用系数。
补充资料：超额
1.超过定额。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条