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Page "Turbomolecular pump" ¶ 4
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surface and is
the mill-pond is quiet, its surface dark and shadowed, and there does not seem to be much water in it.
It appears that the dominant tendency of Mann's early tales, however pictorial or even picturesque the surface, is already toward the symbolic, the emblematic, the expressionistic.
If many of the characters in contemporary novels appear to be the bloodless relations of characters in a case history it is because the novelist is often forgetful today that those things that we call character manifest themselves in surface behavior, that the ego is still the executive agency of personality, and that all we know of personality must be discerned through the ego.
The brush moves up and down and is small enough to clean every dental surface, including the back of the teeth.
In view of the increasing shortage of usable surface and ground water in many parts of the Nation and the importance of finding new sources of supply to meet its present and future water needs, it is the policy of the Congress to provide for the development of practicable low-cost means for the large-scale production of water of a quality suitable for municipal, industrial, agricultural, and other beneficial consumptive uses from saline water, and for studies and research related thereto.
This shelter could be built in regions where water or rock is close to the surface, making it impractical to build an underground shelter.
These are particularly suitable for regions where water or rock is close to the surface.
A Barrette Swiss pattern file is handy since its triangular shape with only one cutting face will allow you to work a surface without marring an adjoining one.
To measure the volume of one of the combustion chambers in the cylinder head, install the valves and spark plug in the chamber and support the head so that its gasket surface is level.
This is possible with water and other liquids that have a high surface tension.
This is done by measuring the distance from the surface on which the tire is resting to the center of the rear axle shaft.
This result suggests a very high temperature at the solid surface of the planet, although there is the possibility that the observed radiation may be a combination of both thermal and non-thermal components and that the observed spectrum is that of a black body merely by coincidence.
The infrared emission could then be assumed to originate at the surface of the moon, while the radio emission originates at some depth beneath the surface, where the temperature variation due to solar radiation is reduced in amplitude and shifted in phase.
The constant-temperature contours are much smoother than those observed at 4.3 mm by Coates ( 1959 ) and apparently the emission at 8 mm is not nearly so sensitive to differences in surface features.
The mean temperature of the surface was then computed according to the following relation: Af where x is the fraction of the plug area covered by the hot spot.
It is sufficiently small compared with the surface temperature of the anode holder, to make the energy flux radiated from the environment toward the anode holder negligible within the accuracy of the present measurements.
The radiation loss from the anode surface was computed according to Af where Af is the mean of the fourth powers of the temperatures Af and Af calculated analogously to equation ( 1 ).
The relative forces can be calculated from the various radii of curvature if we assume: ( A ) The surface tension is uniform on the surface of the drop.
Just as the pressure exerted by surface tension in a spherical drop is Af and the pressure exerted by surface tension on a cylindrical shape is Af, the pressure exerted by any curved surface is Af, where **yg is the interfacial tension and Af and Af are the two radii of curvature.

surface and rough
the rough surface of the earth itself seemed to resist every attempt on his part to relax.
I have used a variety of heavy-weight hand-made papers, but prefer an English make, rough surface, in 400-pound weight.
The outer surface of an agate, freed from its matrix, is often pitted and rough, apparently in consequence of the removal of the original coating.
As a halite crystal is growing, new atoms can very easily attach to the parts of the surface with rough atomic-scale structure and many dangling bonds.
If the ball has a rough surface, the fluid flowing past it will make it rotate.
The speckle pattern which is observed when laser light falls on an optically rough surface is also a diffraction phenomenon.
It is a result of the superpostion of many waves with different phases, which are produced when a laser beam illuminates a rough surface.
The outer nuclear membrane is continuous with the rough endoplasmic reticulum membrane, and like that structure, features ribosomes attached to the surface.
If the solid surface is rough, and the liquid is in intimate contact with the solid asperities, the droplet is in the Wenzel state.
The criterion focuses on the air-trapping capability under liquid droplets on rough surfaces, which could tell whether Wenzel's model or Cassie-Baxter's model should be used for certain combination of surface roughness and energy.
In an experiment designed to challenge the surface energy perspective of the Wenzel and Cassie – Baxter model and promote a contact line perspective, water drops were placed on a smooth hydrophobic spot in a rough hydrophobic field, a rough hydrophobic spot in a smooth hydrophobic field, and a hydrophilic spot in a hydrophobic field.
The latter describes a break along a rough, jagged surface ; an example of this property is found in native copper.
Although the deposited film surface is still rough due to deposition kinetics, the back side of the film at mica-film interface provides ultraflatness, when the film is removed from the substrate.
Good quality dried pasta is identified by its slight rough surface and compact body that helps maintain its firmness in cooking, since it swells considerably in size when cooked.
With the exception of silk, each of these fibres is short, being only centimetres in length, and each has a rough surface that enables it to bond with similar staples.
While for piecewise smooth surfaces there is a unique natural notion of surface area, if a surface is very irregular, or rough, then it may not be possible to assign any area at all to it.
While not as fast as a Greyhound on a smooth, firm surface, once the going gets rough or heavy they can outrun a Greyhound.
More than 80 % of the land surface is rough, broken, and mountainous, and therefore is of limited agricultural value ( see Agriculture, ch.
A familiar example is the random pattern created when a laser beam is scattered off a rough surface – see picture.
If the surface is rough enough to create path-length differences exceeding one wavelength, giving rise to phase changes greater than 2π, the amplitude, and hence the intensity, of the resultant light varies randomly.
When an image is formed of a rough surface which is illuminated by a coherent light ( e. g. a laser beam ), a speckle pattern is observed in the image plane ; this is called a “ subjective speckle pattern ” – see image above.
When laser light which has been scattered off a rough surface falls on another surface, it forms an “ objective speckle pattern ”.

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