[permalink] [id link]
This is necessary as the gas density in the tube is usually low, and most high energy gamma photons pass through undetected.
from
Wikipedia
Some Related Sentences
is and necessary
Since attack serves to stimulate interest in broadcasts, I added to my opening statement a sentence in which I claimed that German youth seemed to lack the enthusiasm which is a necessary ingredient of anger, and might be classified as uninterested and bored rather than angry.
Lacking the pioneer spirit necessary to write of a new economy, these writers seem to be contenting themselves with an old one that is now as defunct as Confederate money.
We consider a rural community as an assemblage of inhabited dwellings whose configuration is determined by the location and size of the arable land sites necessary for family subsistence.
This monitoring is necessary because, on a parade ground, everyone can hear too much, and without monitoring a confused social event would develop.
To experience them, it is not necessary for a people to be actively aware of what is happening to it.
Certainly it is not necessary to repeat that the United States has no intention of interfering in the internal affairs of any nation ; ;
The continuing modernization of these forces is a costly but necessary process.
This is necessary for a sounder collective defense system.
Fourth, in the meantime, it is necessary to remember that we have only begun to probe the environment immediately surrounding the earth.
For what we propose, however, a psychoanalyst is not necessary, even though one aim is to enable the reader to get beneath his own defenses -- his defenses of himself to himself.
For this purpose a degree of intellectual and emotional involvement is necessary ; ;
He is uncompromising in assigning guilt to the man who finds it necessary to inflict or permit injury to one individual or group for the sake of a larger good.
The whole purpose of Man's Hope is to portray the tragic dialectic between means and ends inherent in all organized political violence -- and even when such violence is a necessary and legitimate self-defense of liberty, justice and human dignity.
But now he knows `` that an intellectual is not only a man to whom books are necessary, he is any man whose reasoning, however elementary it may be, affects and directs his life ''.
Why, then, with these voluntary barricades and some state laws barring liquor ads, is it necessary to seek congressional action??
As I see it, if war starts and we survive the initial attack enough to be able to fight back, the nuclear weapons we now have -- at least the bombs -- can inflict all the demage that is necessary.
Besides the lack of an adequate ethical dimension to the Governor's case, one can ask seriously whether our lead over the Russians in quality and quantity of nuclear weapons is so slight as to make the tests absolutely necessary.
It is perfectly conceivable that a resumption of atmospheric tests may, at some point in the future, be necessary and even justifiable.
First of all, it is now known that Pope John sees the renewal and purification of the Church as an absolutely necessary step toward Christian unity.
it is necessary to perceive the extent of foreign aid demanded by the Christian imperative.
I concur that it is necessary for Americans to have a confrontation of the situation existing in foreign lands.
is and gas
The well itself is designed to take two Merc 800's or 500's if you wish and there's room for a 25-gallon long-cruise gas tank below it.
There must be a restriction in the deed to provide that the customer may not be charged more than the current market price for the oil, an obvious precaution, since the account is permanently wedded, just like with gas or electricity.
Ritter, the builder, is convinced that the total cost of all the heating systems plus the oil distribution system is no greater than would be gas heating systems in the houses plus their lines and meters.
He believes that this is a sound approach to gas competition in builder developments where gas is available.
The heat transfer to the anode in free burning arcs is enhanced by a hot gas jet flowing from the cathode towards the anode with velocities up Af.
It is appropriate to call attention to certain thermodynamic properties of an ideal gas that are analogous to rubber-like deformation.
The internal energy of an ideal gas depends on temperature only and is independent of pressure or volume.
In other words, if an ideal gas is compressed and kept at constant temperature, the work done in compressing it is completely converted into heat and transferred to the surrounding heat sink.
There is a well-known relationship between probability and entropy which states that Af, where **zq is the probability that state ( i.e., volume for an ideal gas ) could be reached by chance alone.
The simplest division, and the one most frequently used ( with subdivisions ) in gas and electric rate cases, is a threefold division of the total operating and capital costs into `` customer costs '', `` energy '' or `` volumetric costs '', and `` demand '' or `` capacity '' costs.
Thermal conductivity is directly traceable to the material's porous, air-cell construction which effectively traps air or a gas in the maze of minute bubbles which form its composition.
In air, where oxygen is more concentrated, some small species can rely solely on cutaneous gas exchange, most famously the plethodontid salamanders, which have neither lungs nor gills.
Argon is the third most common gas in the Earth's atmosphere, at 0. 93 % ( 9, 300 ppm ), making it approximately 23. 8 times as abundant as next most common atmospheric gas, carbon dioxide ( 390 ppm ), and more than 500 times as abundant as the next most common noble gas, neon ( 18 ppm ).
Argon is mostly used as an inert shielding gas in welding and other high-temperature industrial processes where ordinarily non-reactive substances become reactive ; for example, an argon atmosphere is used in graphite electric furnaces to prevent the graphite from burning.
Argon is colorless, odorless, and nontoxic as a solid, liquid, and gas.
Although argon is a noble gas, it has been found to have the capability of forming some compounds.
is and density
What we are attempting to do is achieve and maintain a balance between medium density and low density residential areas and industrial and commercial development.
The pressure gradient producing the jet is due to the nature of the magnetic field in the arc ( rapid decrease of current density from cathode to the anode ).
If Af is the change per unit volume in Gibbs function caused by the shear field at constant P and T, and **yr is the density of the fluid, then the total potential energy of the system above the reference height is Af.
To what extent such low density applies to micrometeorites is unknown.
The radius is calculated from the mass by assuming spheres of density Af except for the smallest particles, which must have a higher mass density to remain in the solar system in the presence of solar-radiation pressure.
There remains a residue of total costs, or total `` revenue requirements '' which, since it is found to behave as if it were constant over substantial variations in traffic density, is strictly unallocable on a cost-finding basis.
Graph in Fig. 1, p. 392, indicates how the ratio of compressive strength to density varies as the latter is increased or decreased.
Note that flexural strength is not always improved by simply increasing the density, nor is the change always proportional from one formulation to another.
In general, P is a function of V and the current density, but it shall here be assumed as a constant.
Because it is so large a state, with marked contrasts in population density, the organization of the New York co-operative offers a cross-section of how the plan works.
This article is about the demographic features of the population of Angola, including population density, ethnicity, education level, health of the populace, economic status, religious affiliations and other aspects of the population.
The minimalist soundtrack features a memorable deep-toned electronic " heartbeat ", which quickens as the asteroid density is reduced by the player's fire.
The density of voltage-gated sodium channels is much higher here than is found in the adjacent cell body, excepting the axon hillock.
These nodes are areas where the action potential is amplified using a high density of sodium ( Na < big >+</ big >) ions and is subsequently passed along the axon.
This article is about the demographic features of the population of Antigua and Barbuda, including population density, ethnicity, education level, health of the populace, economic status, religious affiliations and other aspects of the population.
The Demographics of Armenia is about the demographic features of the population of Armenia, including population growth, population density, ethnicity, education level, health, economic status, religious affiliations, and other aspects of the population.
This article is about the demographic features of the population of American Samoa, including population density, ethnicity, education level, health of the populace, economic status, religious affiliations and other aspects of the population.
0.108 seconds.