Sentences with phrase «density differences»

This circulation, which extends from pole to pole and throughout every ocean, is powered by density differences in ocean waters in different areas of the world.

Because of density differences, the cancer cells tend to settle to the bottom of the wells (and this only happens in a narrow window), where they encounter the antibodies.

«Gravity waves,» technically, are disturbances in fluids related to density differences where different fluids (or layers within a fluid) meet.

Such changes in PE relative to KE result in density differences which cause different parcels of air to change their weights and rise or fall at different rates.

Deep - ocean flow (and, to a lesser extent, surface flow) is driven by density differences produced by heating and cooling and by precipitation and evaporation (cool saline water is denser than warm fresh - water).

The model showed that if there were varying amounts of salt in the surface ice shell, it could provide the necessary density differences for a slab to subduct.

Kirchner, J.F., C.R. Bentley, and J.D. Robertson, Lateral density differences at a site on the Ross Ice Shelf, Antarctica, from seismic measurements, Journal of Glaciology, Vol.

Temperature fluctuations stem from density differences in place soon after the Big Bang, the seeds of galaxies and the vast structure we see today.

I used to think that women were at greater risk for running injuries compared men, probably related to joint kinematics, muscle loading, and bone density differences.

MDX can solve this problem as it uses two energy spectrums and a dual - layer detector to filter materials by their chemical composition, leaving a clear high - definition image that shows density difference based on chemical composition.

The researchers think the skull is better for assessing sex because it's not a load - bearing bone, meaning it is subject to fewer outside forces — allowing forensic practitioners to detect bone mineral density differences that result from an individual's biological sex.

Tiny variations in temperature of the microwaves were caused both by matter density differences and by gravity waves; the gravity wave effects are weaker and much more difficult to detect.)

Again, you won't notice the pixel density difference — unless you hold the original Moto 360 right next to the 42 mm Moto 360 (2015), but the difference is insignificant with real - world use.

Such air, would also be 90 + % saturated with water vapor, and due to the 2 + % density difference between it and the surrounding air at 12 C, should be positively buoyant.

Fairly definite interfaces can occur in fluids, whether air or water or whatever, because of density differences, pressure differences, chemical concentration differences, and other factors unrelated to immediate heat input.

Convection currents in the ocean are the movement of water that results from density differences.

density differences in water masses caused by temperature and salinity variations....

TOMRA's vegetable sorting machines can sort by defects, biological characteristics, shape, size, structure, color and density differences and foreign material.

Because of the huge mass / density difference of the two materials, this pairing provides maximum contrast in the electron microscope and delineation was easily distinguishable between the particle core and shell.

This density difference powers the water up the pipe and the deeper the mouth of the pipe, the greater suction such a pipe can exert.

If contamination had occurred, an estimated 10 percent of the material in the meteorite would have to be contaminants in order to explain the anomalous oxygen, and this is something that would have been obvious in computer tomography scans (CT scans) due to the density differences between materials.

I don't know the density difference which is the driving force of THC but I think it is very weak and the amount of necessary fresh water or rewarming is, maybe, not so great that it is said in # 26.

The difference in the average slope is probably related to the density differences.

The behaviour of the atmosphere strongly affects these density differences.

So the density difference changes things.

The density difference between cold, salty bottom water and the warm surface prevent effective mixing.

It can be demonstrated by observation that convecting gas does rise, due to the density difference between the rising gas and that of the surroundings.

From friction, chemical interaction, ignition, expansion / contraction, solar contribution, density differences, electricity, gravity, centrifugal force, circular motion, etc..

You are forgetting about salinity — river water inevitably floats on the surface because of the density difference between fresh and salt water.

For the global stratified oceans, the density difference between the surface and a depth of 200 m provides a useful measure of stratification.

[Response: I think even water vapor is a small component of the density differences in the atmosphere, and methane is much lower concentration.

The scheme depends on two parameters: the areal fraction of the vertically - mixed region within the horizontal grid cell, and the density difference between the mean and the unstratified profiles at the surface.