Since the absorption of radio waves in rocklike material varies with wave length, it should be possible to sample the temperature variation at different depths beneath the surface and possibly detect changes in the structure or composition of the lunar surface material.

The ideal storage temperature for long periods is about fifty-five degrees, with an allowable range of five degrees above or below this, provided there are no sudden or frequent changes.

As for the night being warm, he would have been comfortable naked on Mount Everest but his water brothers had little tolerance for changes in temperature and pressure ; ;

Any information may be conveyed by an analog signal ; often such a signal is a measured response to changes in physical phenomena, such as sound, light, temperature, position, or pressure.

Adiabatic changes in temperature occur due to changes in pressure of a gas while not adding or subtracting any heat.

Such temperature changes can be quantified using the ideal gas law, or the hydrostatic equation for atmospheric processes.

# If adiabats and isotherms are graphed severally at regular changes of entropy and temperature, respectively ( like altitude on a contour map ), then as the eye moves towards the axes ( towards the south-west ), it sees the density of isotherms stay constant, but it sees the density of adiabats grow.

Much of the biology in the area occurs along the major fronts of the current, the Subtropical, SubAntarctic, and the Antarctic Polar fronts, these are areas associated with well defined temperature changes.

The effort has focused on changes observed during the period of instrumental temperature record, when records are most reliable ; particularly on the last 50 years, when human activity has grown fastest and observations of the troposphere have become available.

* Historical estimates of past climate changes suggest that the recent changes in global surface temperature are unusual.

This crystal structure changes with pressure and temperature.

Dual polarisation interferometry can be used to measure the conformational changes or self assembly of these materials when stimulated by pH, temperature, ionic strength or other binding partners.

Boiling water. The boiling point of a substance is the temperature at which the vapor pressure of the liquid equals the pressure surrounding the liquid and the liquid changes into a vapor.

Most plants must adapt to a variety of environmental factors, including changes in temperature, light and moisture.

* Recent ( 2011 ) research by Santer on separating signal and noise in atmospheric temperature changes

The Thornthwaite system, in use since 1948, incorporates evapotranspiration along with temperature and precipitation information and is used in studying animal species diversity and potential effects of climate changes.

In recent usage, especially in the context of environmental policy, the term " climate change " often refers only to changes in modern climate, including the rise in average surface temperature known as global warming.

The classical rule, recognized by Clausius and by Kelvin, is that the pressure exerted by the calorimetric material is fully and rapidly determined solely by its temperature and volume ; this rule is for changes that do not involve phase change, such as melting of ice.

The variations in temperature are often correlated with changes in the X-ray emission.

Gut strings are also more vulnerable to changes of humidity and temperature, and they break much more easily than steel strings.

Other reasons include: a ) changes in plant canopy caused by shifts in plant biomass production associated with moisture regime ; b ) changes in litter cover on the ground caused by changes in both plant residue decomposition rates driven by temperature and moisture dependent soil microbial activity as well as plant biomass production rates ; c ) changes in soil moisture due to shifting precipitation regimes and evapo-transpiration rates, which changes infiltration and runoff ratios ; d ) soil erodibility changes due to decrease in soil organic matter concentrations in soils that lead to a soil structure that is more susceptible to erosion and increased runoff due to increased soil surface sealing and crusting ; e ) a shift of winter precipitation from non-erosive snow to erosive rainfall due to increasing winter temperatures ; f ) melting of permafrost, which induces an erodible soil state from a previously non-erodible one ; and g ) shifts in land use made necessary to accommodate new climatic regimes.

A small pressure unbalance displaces the diaphragm and changes the capacitance between the diaphragm and an electrically insulated plate spaced 0.001 in. apart ( for Af ).

The Mach. 3 value is rather arbitrary, but it is used because gas flows with a Mach number below that value demonstrate changes in density with respect to the change in pressure of less than 5 %.

Fluids react to differences in pressure ; pressure changes are how a fluid is " told " to respond to its environment.

If one component changes another component's vapor pressure, or if the volatility of a component is dependent on its percentage in the mixture, the law will fail.

Substantial weather changes frequently occur at three to four day intervals as a result of mid-latitude storm tracks, which is where low and high pressure extratropical disturbances occur.

The partial pressure of A changes by dP < sub > A </ sub > over the distance dx.

Similarly, the partial pressure of B changes dP < sub > B </ sub >.

A heat engine may also serve as a prime mover, a component that transforms the flow or changes in pressure of a fluid into mechanical energy.

Design changes incorporated all known methods of raising engine capacity, including increasing the pressure in the cylinders to improve efficiency, increasing the size of the engine, and increasing the speed at which power is generated.

All fluids are compressible to some extent, that is, changes in pressure or temperature will result in changes in density.

However, in many situations the changes in pressure and temperature are sufficiently small that the changes in density are negligible.

Acoustic problems always require allowing compressibility, since sound waves are compression waves involving changes in pressure and density of the medium through which they propagate.

The council was also motivated by Acheampong's failure to dampen rising political pressure for changes.

Mineralogists have been able to use the pressure and temperature data from the seismic and modelling studies alongside knowledge of the elemental composition of the Earth at depth to reproduce these conditions in experimental settings and measure changes in crystal structure.

hence changes in attitudes and values can be analyzed for identical individuals at two points in time.

The president has little influence in day-by-day curricular changes, but if he looks ahead two, three, or five years to anticipate issues and throw out challenging ideas, he can open the way for innovation, and he can also have a great deal to say as to what path it will take.

It is good to be able to compute displacement so that changes in it resulting from boring and stroking can be computed.

He concludes that some changes can be made in the current orthography which will appreciably improve its usefulness, but hesitates to suggest precise graphic devices to effect these changes.

Thus, for non-negative changes in the basic wage rate, the industry becomes the active wage-setter, since any increase in the basic wage rate can occur only by reason of industry acquiescence.

Enzymatic action in stored food produces changes which can adversely affect the appearance of food or its palatability.

It can be seen that the force is characteristic of the removal process and changes abruptly from cutting to cracking to peeling removal.

It should be recalled that these three mechanisms can occur on the same coating deposited upon the same substrate merely as a function of changes in coatings thickness.

This has been a working session of an organization that, by its very nature, can only proceed along its route step by step and without dramatic changes.

On the contrary, even in the heart of `` the Bible belt '' itself, as can be attested by any one who is called to work there, the industrial and technological revolutions have long been under way, together with the corresponding changes in man's picture of himself and his world.

These can range from simple spelling changes and word forms to switching the entire writing system itself, as when Turkey switched from the Arabic alphabet to a Turkish alphabet of Latin origin.

This can result in a transmutation that changes the number of protons or neutrons in a nucleus.

Protons have a positive charge and a mass 1, 836 times that of the electron, at, although this can be reduced by changes to the energy binding the proton into an atom.

Anxiety can also be experienced in ways which include changes in sleeping patterns, nervous habits, and increased motor tension like foot tapping.

It has recently been discovered that the location and extent of a neuron's AIS can be altered by the neuron's level of activity and that these changes are thought to influence the excitability of the neuron.

Some distinctive accents can be found on the East Coast ( for example, in eastern New England and New York City ) partly because these areas were in close contact with England and imitated prestigious varieties of British English at a time when these were undergoing changes.

By using the palette to mask the top area of the display and taking care about when it changes mode it can shift the continuous graphics at the bottom of the display down in two pixel increments because the internal display counter is not incremented on blank scanlines during non-continuous graphics modes.

For a rigid body rotating around an axis of symmetry ( e. g. the blades of a ceiling fan ), the angular momentum can be expressed as the product of the body's moment of inertia, I, ( i. e. a measure of an object's resistance to changes in its rotation rate ) and its angular velocity ω:

Also, small changes in lifestyle, such as doing laundry, dishes and bathing on sunny days, can greatly increase their efficiency.

In many different ways, plants can act a little like the ' miners ' canary ', an early warning system alerting us to important changes in our environment.

The definition works without any changes if instead of vector spaces over a field F, we use modules over a commutative ring R. It also can be easily generalized to n-ary functions, where the proper term is multilinear.