说明:双击或选中下面任意单词,将显示该词的音标、读音、翻译等;选中中文或多个词,将显示翻译。
您的位置:首页 -> 词典 -> 铺展面积
1)  spreading area
铺展面积
1.
In this paper,three types of wettability evaluation methods,namely wetted spreading area test,wetting force test and contact angle test,have been used to measure the wettability of Sn-37Pb using different fluxes which include different concentration of the rosin.
分别用3种润湿性测量方法(铺展面积测量法、润湿力测量法和润湿角测量法)做了不同松香浓度和不同助焊剂下的钎料Sn-37Pb的润湿性,以及在不同助焊剂下润湿性。
2.
The formula that expresses the relationship between the wetting angle () and spreading area (S) has set up by mathematical model.
通过建立简化的数学模型,得出了润湿角与钎料熔滴铺展面积间的数学关系式。
3.
Digital photography and AutoCAD were used at the same time to calculate the spreading area of tin solder without the need of using other instrument.
采用数码摄影技术与AutoCAD软件结合,探讨一种无需专用仪器测量锡焊料铺展性试验试件铺展面积的方法。
2)  Wettability and spreading area
浸润性及铺展面积
3)  surface spreading
表面铺展
1.
An improved technique of surface spreading and silver staining for synaptonemal complex preparation was described.
本文较详细地介绍了本室改进的表面铺展 -硝酸银染色制备联会复合体 (SC)电镜样品技术。
2.
A surface spreading and silver staining technique was used to prepare samples of synaptonemal complex quickly and easily.
用表面铺展 -硝酸银染色技术快速、简便地制备联会复合体 ( SC)电镜样品。
4)  plane spread
平面铺展
5)  plant leaf spreader
植物叶面铺展剂
6)  developed area
展开面积
1.
Discussion on approximate calculation method for developed area of different diameter pipe(Ⅰ);
异径管展开面积近似计算方法的探讨(上)
补充资料:铺展润湿
分子式:
CAS号:

性质:液体和固体表面接触后在表面上展开,原来的固气界面被固液和液气界面取代的过程。若以vSL,vSV,vLV分别表示单位面积固液、固气、液气界面的界面自由能,则液体在固体表面上展开单位面积体系自由能的变化为:△G=vSL+vLV-vSV。常以铺展系数S(也称铺展功work of spreading)表征铺展过程进行的可能性:S=-△G= vSV-vSL -vLV。显然,△G≤0,即S≥0液体可在固体表面自动展开。

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