查询词典 vapor density

When caprylic aldehyde content was at the range of 0～4%,the water vapor permeability of the modified wheat protein cross-linked with formaldehyde increased. When the caprylic aldehyde content increased,the water vapor permeability decreased because of the chemical modification.

辛醛含量在0～4％范围增加时，甲醛交联的改性蛋白质塑料的透湿性增强；当辛醛含量继续增加，透湿率有一定程度的下降。

Thermogravimetric analysis was extended to the measurements on vapor pressures of three n-alkanes, hexadecane, heptadecane and octadecane, on the basis of the Langmuir equation for zero-order vaporization process. The vapor pressures were calculated by two different methods, a constant-parameter one and a comparative one, from the TGA data. These results are in good agreement with the reference data calculated from the Antoine equation.

根据自由蒸发过程的Langmuir关系，将热重分析用于正十六烷、正十七烷和正十八烷等3个正构烷烃的蒸气压测定，分别采用常数法和比较法计算蒸气压，其结果与文献数据符合较好。

When the concentration of sulfur dioxide was fixed, the reaction rate increased separately with increasing oxygen content and water vapor content, when oxygen content was 20%, the reaction rate was the highest, while water vapor content was 444μmol/L, there was an optimum value for the photocatalytic degradation rate of heptene.

庚烯的降解速率随着二氧化硫浓度的增加而增加，最终趋于稳定。在二氧化硫浓度一定时，庚烯的反应速率分别随着氧气和水分子含量的增加而不断增大，氧含量为20%时速率最大；水分子含量为444μmol/L时速率最大。

By measuring the vapor-liquid equilibrium of ethanol- hexamethylene -NaI and verifying the data by means of ternary Gibbs-Duhem equation,the data of the vapor-liquid equilibrium of ethanol- hexamethylene -NaI were in agreement with both criterions.

假定NaI的平均活度系数可表示为盐浓度平方根(m1/2)的幂级数，采用全部合格的汽液平衡数据拟合出幂级数中的各项参数，从而获得在双液比固定条件下盐在非水混合体系中的活度系数。

Finally, this kind of spatial distribution information of water vapor is incorporated into the Kriging interpolator to generate much reasonable water vapor map.

然后把这种区域水汽场的空间分布信息结合到Kriging内插法中生成更为合理的水汽图。

It is shown that GPS/PWV data with an time interval of 30 minutes reflected spatial and temporal changes of atmospheric vapor intuitionally and duly, the features of GPS/PWV changes had corresponding relations with the precipitation, the divergence of GPS/PWV showed the distributions of the convergence and divergence of atmospheric vapor.

分析还表明：每30min一次的GPS/Pwv资料能直观地、及时地反映大气中水汽的时间变化和空间变化；GPS/Pwv资料随时间的演变特征与降水有较好的对应关系；GPS/Pwv的散度资料可以反映大气中水汽的辐合、辐散分布情况。

Various techniques have been used to prepare ZnO films, such as pulsed laser deposition, chemical vapor deposition, molecular beam epitaxy, magnetron sputtering, and metalorganic chemical vapor deposition.

有很多种技术已经用於制作氧化锌薄膜，例如：脉冲雷射沉积法、化学气相沉积法、分子束磊晶法、磁控溅镀法、有机金属气相沉积法等等。

Firstly, the reaction thermodynamics was analyzed. Then, the reaction mechanism was studied, and the results are as following:① Ca moves to the surface of Dy〓O〓 by vapor phase;② Dy〓O〓 reduced to Dy by Ca is fast;③ Dy moves to the Fe surface mainly by vapor and various Dy-Fe alloys are produced gradually;④ The forming process of DyFe〓 may be described by Contracting Core Model;⑤ The rate-controlling step of the reaction is the Dy diffusing toward contracted and nonreaction nuclear center Fe.

首先考察反应的热力学可能性；其次探讨反应机理；通过实验确定：①Ca主要以气态形式迁移到Dy〓O〓表面参与反应；②Dy〓O〓被Ca还原为Dy的速度很快；③Dy主要以气态形式迁移到Fe表面逐级生成Dy-Fe合金；④DyFe〓的形成过程可以应用收缩核模型来描述；⑤Dy通过DyFe〓产物层向缩小的未反应核中心Fe的扩散是反应的控速步骤，通过动力学计算确定：还原扩散反应的表观活化能E〓=45kJ/mol。

The results reveal that:a Pentadactyl vapor transportation in East-Asia change with the appearing , strengthening , weakening , and disappearing of the South China Sea monsoon, the Indian monsoon, subtropical high etc..b Southerly vapor transportation of each longitude areas in East-Asia have different characters in appearance time , speed to north , the place of north bound , speed to south , etc..

主要得出以下结论：(1)东亚地区各候各区域水汽输送的变化，伴随着南海季风、印度季风、副高等天气事件或系统的发生、加强、减弱和消失。(2)各个经度带的偏南风水汽输送在出现时间、北抬进程速度、北界位置、南撤速度等方面均体现了不同的特征；西太平洋副高边缘的东南风水汽输送具有迂回西扩和快速东撤的特点，并且在强盛期能够影响到我国西北地区。

A vapor-permeable and waterproof sole for shoes, comprising: a lower flat element made of shaped rubber-like material, which has a hollow upper region delimited by a border with air passage openings which extend laterally with respect to the ground resting plane; an upper element; a membrane made of waterproof and vapor-permeable material, which is interposed between said lower and upper elements at said hollow region; said lower and upper elements and said membrane being joined hermetically in the perimetric regions of mutual contact.

一种用于鞋子的透气防水鞋底，包括：一由成形橡胶类材料制成的平的下构件，它具有一中空上部区域，该上部区域由一边界界定而成，所述边界具有相对于着地抵靠平面横向延伸的通气开口；一上构件；一由防水透气材料制成的隔膜，该隔膜夹设在所述下构件和上构件之间，并在所述中空区域内；其中，下构件和上构件以及所述隔膜在它们相互接触的外周区域内密封地结合。

" I' d like to get some rough idea about music in the baroque ear, please."

请简要介绍一下巴罗克时期的音乐，好吗？

The results showed that the peak latency and pattern of SEPs elicited by electrical needling in LI-l1 and MP were similar. The amplitude of SEPs elicited by electrical needling in LI-l1 was higher than that of MP. There was no obvious SEPs generation when MM was electrical needling.

结果显示，电针刺激曲池穴和其邻近桡侧伸腕长肌运动点诱发性脑电波的波形和波峰时间是类似的，只是穴位的诱发性脑电波波幅较大，而电针刺激非穴位点并没有明显的诱发性脑电位。