WATER-DROP METHOD OF DETERMINING STABILITY OF SOIL STRUCTURE

Soil Science ◽  
1944 ◽  
Vol 58 (2) ◽  
pp. 117-122 ◽  
Author(s):  
T. M. MCCALLA
Keyword(s):  
Soil Structure ◽  
Water Drop ◽  
Drop Method

A Water-Drop Method of Hardening of the Welded Joints of Drill Pipes

2015 ◽  
Vol 57 (5-6) ◽  
pp. 295-299
Author(s):  
M. V. Maisuradze ◽  
Yu. V. Yudin ◽  
Yu. G. Eismondt
Keyword(s):  
Welded Joints ◽  
Water Drop ◽  
Drop Method ◽  
Drill Pipes

scholarly journals Исследование межфазного натяжения на границе воды и раствора асфальтенов в толуоле

2022 ◽  
Vol 48 (5) ◽  
pp. 33
Author(s):  
Р.Р. Зиннатуллин ◽  
А.И. Искандаров ◽  
Л.А. Ковалева
Keyword(s):  
Electric Field ◽  
Interfacial Tension ◽  
Applied Stress ◽  
Relative Elongation ◽  
Water Drop ◽  
Adsorption Film ◽  
Drop Method ◽  
Model Solutions ◽  
Over Time

The dynamics of the interfacial tension coefficient at the interface between water and model solutions of asphaltenes of different concentrations in toluene has been studied. It has been shown that, over time, the interfacial tension decreases due to the adsorption of asphaltene molecules at the interface. With an increase in the concentration of asphaltenes in the solution, the decrease in interfacial tension occurs more intensively. The results of a study of the elongation of a water drop in a solution under the influence of an electric field are presented. It is shown that after the formation of an adsorption film, a higher stress must be applied to stretch the droplet, and the relative elongation depends nonlinearly on the applied stress. The studies were carried out using the suspended drop method.

Revised Water Drop Method for Assessing Soil Water Repellency in Sandy Soils

Soil Science ◽  
2011 ◽  
Vol 176 (3) ◽  
pp. 124-128 ◽  
Author(s):  
Mario L. Flores-Mangual ◽  
Birl Lowery ◽  
James G. Bockheim ◽  
Paulo H. Pagliari
Keyword(s):  
Soil Water ◽  
Water Drop ◽  
Sandy Soils ◽  
Water Repellency ◽  
Soil Water Repellency ◽  
Drop Method

SOIL STRUCTURE AND WATER-STABLE AGGREGATES

2013 ◽  
Vol 12 (4) ◽  
pp. 741-746 ◽  
Author(s):  
Florian Statescu ◽  
Dorin Cotiusca Zauca ◽  
Lucian Vasile Pavel
Keyword(s):  
Soil Structure ◽  
Water Stable Aggregates
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