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However brittle stars are also common, if cryptic, members of reef communities, where they hide under rocks and even within other living organisms.
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However and brittle
However, it does suffer from nitrogen embrittlement, reacting with nitrogen from air and forming brittle nitrides at the high temperatures necessary to work the metal parts.
However, the problem with HTS technology is that the currently known high temperature superconductors are brittle ceramics which are expensive to manufacture and not easily formed into wires or other useful shapes.
However, carbon reacts with aluminum to generate a brittle and water-soluble compound Al < sub > 4 </ sub > C < sub > 3 </ sub > on the surface of the fiber.
However, cuprate materials are brittle ceramics which are expensive to manufacture and not easily turned into wires or other useful shapes.
However, when the leaves themselves dried they became brittle and would not have survived for long.
However, common usage frequently finds these names also applied to ophiuroids which are correctly referred to as " brittle stars " or " basket stars ".
However, even ductile metals will fracture when the strain becomes large enough-this is as a result of work hardening of the material, which causes it to become brittle.
However, materials exhibiting ductile behavior ( most metals for example ) can tolerate some defects while brittle materials ( such as ceramics ) can fail well below their ultimate material strength.
However, they are more brittle.
However, graham crackers are typically a little dryer and more brittle.
However, this assumption is quite restrictive for certain types of failure in structural steels though such steels can be prone to brittle fracture, which has led to a number of catastrophic failures.
However, the toy features a heavy downside – the gold plastic parts ( the dual guns, the gun shield, the shield / tower, the feet, the Headmaster component ( Zarak / Scorponok ) and Guardminder, BlackZarak's version of Fasttrack ) are very brittle, and can break from even the slightest handling.
However, plastics may also be less resistant to ultraviolet damage and may become brittle over time, resulting in cracking.
However, if the whole screw is uniformly hard, it will become very brittle and it will break easily.
However, the plasticizers used to make the film flexible evaporated too quickly, making the film dry and brittle, causing splices to part and perforations to tear.
However, ceramic blades are brittle and easily broken, and more expensive to replace than metal blades.
However and stars
However, there are some exceptions: many of the stars in the constellation of Ursa Major ( including most of the Big Dipper ) are genuinely close to one another, travel through the galaxy with similar velocities, and are likely to have formed together as part of a cluster that is slowly dispersing.
However, the precession of the equinoxes gradually lowered its stars below the European horizon, and they were eventually forgotten by the inhabitants of northern latitudes.
However, Cadamosto's constellation had too many stars and was tilted incorrectly.
However, most of the brightest stars of Centaurus, including α Cen, θ Cen, ε Cen and η Cen, can be seen in the Chinese sky.
However the overall proportion of stars with planets is uncertain because not all planets can yet be detected.
However, gravitational stripping of the interstellar gas and dust that makes up the spiral arms produces a long train of stars known as tidal tails.
However, Protagoras has never suggested that man must be the measure of stars, or the motion of the stars.
However, the giant stars are much brighter than dwarfs and so, do not follow the same relationship.
( However, it was subsequently discovered that the theorem breaks down somewhat for stars of non-uniform composition.
However, for hotter blue and white stars, the size and brightness difference between so-called dwarf stars that are on the main sequence and the so-called giant stars that are not becomes smaller ; for the hottest stars it is not directly observable.
However, the meaning of the term has changed over time, and from the last half of the 20th century onward it has been used legitimately to refer to extremely dense phases of matter resembling the neutron-degenerate matter theorized to exist in the cores of neutron stars.
However, it would require the invention of the telescope to resolve these nebulae into their constituent stars.
However, in 1918 the Dutch-American astronomer Adriaan van Maanen was able to measure the proper motion of stars in part of the Pleiades cluster by comparing photographic plates taken at different times.
However, the numerical sign problem makes it difficult to use lattice methods to study QCD at high density and low temperature ( e. g. nuclear matter or the interior of neutron stars ).
However, outside the Local Supercluster of galaxies, neither individual stars nor clusters of stars have been observed.
However, if the star is fully convective ( as thought to be the case for stars less than 0. 25 solar masses ) it will not have such surrounding layers.
However, in 1890, nearly all of the Giants ' stars jumped to the upstart Players ' League, whose New York franchise was also named the Giants.
However, greatly improved distance measurements to globular clusters using the Hipparcos satellite and increasingly accurate measurements of the Hubble constant resolved the paradox, giving an age for the universe of about 13 billion years and an age for the oldest stars of a few hundred million years less.
However, unlike the backstaff, the sextant allows direct observations of stars.
However, different objects can have similar properties for different reasons, such as stars and light bulbs.
However and are
However, in recent decades, for what doubtless are multiple reasons, an unannounced but nonetheless readily observable shift has occurred in both facets of national activity.
However, in the context of legal and civic policy, these controversies are less than novel.
However, despite the insight of many of his observations, his own conclusions are open to suspicion because of his failure to employ at all times the correct research methods.
However, there are still several types of calls that necessitate the use of telephone operators.
However, he states unequivocally `` the scandals in business are far less significant than the scandals in labor ''.
However, few are taxed, and the owners and location of most boats are unknown to the assessors on the date of assessment of town valuations.
However, the surface temperature gradient can produce erroneous vapor-pressure measurements for the bulk liquid helium unless precautions are taken to isolate the tube ( which passes through the surface to the vapor pressure bulb ) from the liquid helium surface.
However, if their United States income is not subject to the withholding of tax on wages, their returns are due June 15, 1962, if they use a calendar year, or the 15th day of the 6th month after the close of their fiscal year.
However, the aircraft which we have today are tied to large, `` soft '' airfields.
However, some formulas are used more than others.
However, there is also much to be gained by making use of the abilities of the local people who are available and interested in recreation.
However, there are photographs of suspended drops of cyclohexanol phthalate ( viscosity 155 poises ) suspended in corn syrup of 71 poises in a paper by Mason and Bartok.
However, any oxygen nonequivalence would shorten either the already extremely short Af interlayer distance of 2.55 A or the non-hydrogen-bonded Af interlayer interactions which are already quite short at 2.58 Aj.
However, as so many of the records are not certainly based on newborn snakes, these data must be taken tentatively ; ;
However, if these procedures are applied more often, conditioned emotional responses are temporarily abolished.
However, it cannot be presumed, informal though the structure of the population seems, that there are not well-defined roles within the system.
However, the differences in procedure are fundamental.
However, the regionally differentiated results, which appear below in tables, are interesting evidence of the problems of developing self-government under even the most favorable circumstances.
However, if Federal funds are used, it would be entirely appropriate to train workers for jobs which could be obtained elsewhere as well as for jobs in the area of chronic unemployment.
However, it is not known to either the union or the public precisely how much of a cost increase is caused by a given change in the basic wage rate, although the companies are presumed to have reliable estimates of this magnitude.
However, there are relatively few such political constituencies, and, as has been pointed out, there is seldom a clear-cut distinction between the educational interests of one social class and those of another.
However, modesty and triviality are different qualities.
`` However, evidence that the Axis powers are making significant preparations indicative of such an intention is being reported with increasing frequency from a variety of sources.
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