1) dropping volume method
珠滴体积法
1.
his paper,on the basis of the analysis of liquid surface measurement,puts forward a principle on which liquid surface tension by road-asphalt emulsion can be measured with the help of dropping weight method and dropping volume method,and works out the computation methods for measuring the testing instruments,steps and results and its application.
本文在分析液体表面张力测定方法的基础上，提出了采用珠滴重量法和珠滴体积法测定道路沥青乳化剂水溶液表面张力的基本原理、测定装置、测定步骤和测定结果的计算方法及其应用。
2) drop volume method
滴体积法
1.
The apparatus of drop volume method was made in this paper,accuracy of which was verified according to the literature value.
采用自制的滴体积法实验装置,以蒸馏水的表面张力作为标准,检验了其精确性。
2.
The dynamic surface tensions(DST) of aqueous cetylpyridinium bromide(CPB)solutions at various concentrations was measured, by using the drop volume method.
滴体积法测定了十六烷基溴化吡啶(CPB)水溶液的动态表面张力。
3.
The dynamic surface tensions(DST)of aqueous cetylpyridinium bromide (CPB)solutions at various concentrations and temperatures were measured by the drop volume method,the effect of concentration and temperature on the dynamic surface tension was discussed.
滴体积法测定了十六烷基溴化吡啶溶液的动态表面张力。
3) drop weight/drop volume method
滴重法/滴体积法
1.
The methods were capillary rise method,maximum bubble pressure method,Wilhelmy plate /Du Nouy ring method,drop weight/drop volume method,oscillating jet method,spinning drop method and pendent drop method.
介绍了常见的几种测定表面张力的方法,包括毛细管上升法、最大气泡压力法、吊环法/吊片法、滴重法/滴体积法、振荡射流法、旋滴法和悬滴法,着重介绍了悬滴法用轴称滴形分析测定表面张力的进展。
4) drop volume method
点滴体积法
5) dropping weight method
珠滴重量法
1.
his paper,on the basis of the analysis of liquid surface measurement,puts forward a principle on which liquid surface tension by road-asphalt emulsion can be measured with the help of dropping weight method and dropping volume method,and works out the computation methods for measuring the testing instruments,steps and results and its application.
本文在分析液体表面张力测定方法的基础上，提出了采用珠滴重量法和珠滴体积法测定道路沥青乳化剂水溶液表面张力的基本原理、测定装置、测定步骤和测定结果的计算方法及其应用。
6) droplet volume
熔滴体积
1.
From the viewpoint of transfer of one droplet per pulse and a constant droplet volume,the paper puts forward a control mode in which the peak current and background current are fixed,while peak timeand background time are presetted by the wire feed rate and adjusted by the peak arc voltage.
基于一个脉冲过渡一个熔滴且熔滴体积不变的思想,提出了在峰值电流和基值电流不变的条件下采用送丝速度预置和峰值弧压调节峰值时间与基值时间的控制方式。
补充资料：滴体积法
分子式：
CAS号：
性质：一种测定液体表(或界)面张力的方法。将液体自能润湿的垂直厚壁毛细管下端缓慢流出，形成一悬挂的液滴，当此液滴自管口滴落时，液体的表(或界)面张力γ与液滴体积V(或重量mg)、管口半径r服从下述关系：式中，g为重力加速度常数；m为1滴液体质量；F为与V及r有关的校正因子；ρ2为液体密度；ρ1为液体外介质密度，当外介质为气体时ρ1可以忽略。液滴的体积可由测定滴头上已校正好的体积刻度读出，质量m可称重。此法所得数据准确，方法简便，一般实验室均可采用。
CAS号：
性质：一种测定液体表(或界)面张力的方法。将液体自能润湿的垂直厚壁毛细管下端缓慢流出，形成一悬挂的液滴，当此液滴自管口滴落时，液体的表(或界)面张力γ与液滴体积V(或重量mg)、管口半径r服从下述关系：式中，g为重力加速度常数；m为1滴液体质量；F为与V及r有关的校正因子；ρ2为液体密度；ρ1为液体外介质密度，当外介质为气体时ρ1可以忽略。液滴的体积可由测定滴头上已校正好的体积刻度读出，质量m可称重。此法所得数据准确，方法简便，一般实验室均可采用。
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