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wetting angles
The boundaries of the stability region are calculated in the case when the wetting angles on the lower and upper plates are the same.
      
Wetting angles and limits of thermal stability of esters derived from pentaerythritol and perfluoro-, ω-chloropolyfluoro-, and perfluoropolyethercarboxylic acids were studied.
      
The estimated acid-base characteristics of the surface of α-Al2O were on the whole in agreement with the results obtained by measuring the dependence of wetting angles on solution pH.
      
The results indicated that the wettabilities of Fe and Fe-Cr on TiO were poor, and their wetting angles were about 90° at melting point.
      
The wetting angles reduced with the increase of wetting temperature, but the influence of temperature was small.
      
The wetting angles could go down to about 40° when 3% Ni-Ti was added to Fe-Cr alloy.
      
Wetting angles are calculated by using isotherms of the disjoining pressure of wetting liquid films on solid substrates.
      
It has been shown that ion-beam treatment of carbon fibers leads to a considerable decrease in the wetting angles (the difference between the wetting angles for nonmodified and modified fibers is up to 32.2-38.7°).
      
The wetting angles with water varied from 60° for Sitka spruce to 74° for Douglas-fir.
      
Near-equilibrium textures in these experiments are characterized by very low quartz-quartz-melt wetting angles, and by a substantial number of thin melt films along grain boundaries.
      
Wetting angles in the H2O-saturated experiments are as follows: 18° at 800° C-1000 MPa, and 12° at 900° C-1000 MPa in the granitic system; 18° at 850° C-650 MPa, 15° at 900° C-650 MPa, and 15° at 900° C-1000 MPa in the quartzanorthite system.
      
These low wetting angles - and the observation that many grain boundaries are wetted by melt films-indicate that the ratio of quartz-quartz to quartz-melt interfacial energies (γss/γs1) is high: ~2.
      
In the past, geometry of partial melt in polycrystalline olivine (and other materials) has been characterised by dihedral (wetting) angles which depend upon surface free energy.
      
Morphology of intergranular pores and wetting angles in pelitic schists studied by transmission electron microscopy
      
Wetting angles for pores located at grain edges of quartz and albite decrease in the order albite/albite, quartz/quartz, and quartz/albite.
      
The effect of crystal anisotropy on wetting angles of equilibrium silicate melts on crystal faces of spinel, diopside, enstatite and olivine has been determined experimentally by the sessile melt drop technique.
      
The wetting angles of pure N andHP-β-CD and of the products, and the n-octanol/water partition coefficients were determined.The interaction, leading to complex formation between the components of the products was examined by thermoanalytical methods.
      
Contact wetting angles have been determined on complex twisting viscose, polyamide, and polypropylene yarns by the method of measuring a drop resting on the yarn.
      
The density and surface tension of melts and the wetting angles of the PbSe semiconductor by melts are measured.
      
An automated TV system with a computer for measuring the capillary constant, surface tension, density, and wetting angles of melts by the sessile-drop method is described.
      
 

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