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wetting angle
The calculations are made in the range of variation of the parameters, the wetting angle and the Bond number, adjoining the boundary of the stability region.
      
For fixed volume of the fluid and different values of the angular velocity and the wetting angle the decay rate and frequency of the characteristic oscillations are calculated.
      
A nonuniform temperature distribution, the presence of surface-active substances and impurities, and also other factors lead to a change in the wetting angle along a plane.
      
The Effect of Wave Formation and Wetting Angle on the Thermocapillary Breakdown of a Falling Liquid Film
      
Different working liquids and coatings of the working surface are used in the experiments to investigate the effect of the wetting angle on the film breakdown.
      
The equilibrium wetting angle is measured by the "bubble" method.
      
No effect of the equilibrium wetting angle on the nonisothermal breakdown of the film was revealed.
      
It is demonstrated that, rather than spreading, the liquid in the case of streamer flow on the heating surface contracts downstream even for a close-to-zero equilibrium wetting angle.
      
In the case of nonzero wetting angle, this singularity is integrable, with the total volume density of electric energy remaining finite.
      
It is demonstrated that, if the surface is wetted by dielectric liquid, a critical wetting angle exists defined by the permittivity ratio of contacting dielectrics.
      
When the wetting angle becomes less than critical, the electric field singularity disappears.
      
The glycocalyx of the colonies grown from spores was characterized by a wetting angle θe of 120°-160°, whereas that of the colonies grown from vegetative cells had an angle θeas low as 5°-30°.
      
Peculiarities of the argentite (α-Ag2S) electrode potential settling in acetic acid-acetate solutions are revealed by electroless chronopotentiometry, voltammetry at low polarization, and measuring the rim (wetting) angle.
      
The limiting wetting angle, detergent and solubilization power, and foaming kinetics of these surfactants were studied in relation to the concentration of formation of monomolecular layer and type of the resulting micellar structures.
      
By measuring the wetting angle and using IR spectroscopy, the mechanism of sorption of the modifiers by the membranes is established.
      
Equations describing the motion of a drop in an axially symmetric capillary with a varying cross section are derived by taking into account the hysteresis of the wetting angle.
      
The wetting angle between islands and the substrate is calculated from the derived relationships as a function of the condensation temperature.
      
The modified surface is characterized by a wetting angle of 20-25° remaining unchanged for a long time.
      
These are the problem of allowance for the difference of the dynamic wetting angle from the right angle and that of allowance for thermocapillary flows.
      
The results show that the wettability of Fe-Cr alloy on TiO are small, with a wetting angle about 90°.
      
 

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