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Page "Electrochemistry" ¶ 178
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These and metals
These metals found little practical use until the introduction of crucible steel around 300 BC.
These metals were also used to strengthen each other, for more practical purposes.
These electronegative elements are strongly associated with metal-bearing minerals, where they have formed water-insoluble compounds with the metals in the ores.
These metals can form useful silicides when deposited onto silicon.
These compounds can be reduced using either calcium or lithium metals in the following reactions:
These metals form an extremely thin layer of oxidized metal on the surface.
These other metals and their alloys can be cold-worked, or melted in simple pottery kilns and cast in molds ; but smelted iron requires hot-working and can be melted only in specially designed furnaces.
These are all modern, and there was no noticeable exploitation of metals or minerals prior to the modern era.
These range from biomaterials, to ceramics, to metals, to textile reinforced materials.
These metals are therefore relatively volatile, and are avoided in ultra-high vacuum systems.
These new military applications coincided with a population explosion throughout Europe in the 11th-14th centuries which increased the demand for precious metals in order to fill a currency shortage.
These heavy elements are termed metals by astronomers and the portion of heavy elements is the metallicity.
These tombs, which date to the Early Dynastic IIIa period ( approximately in the 25th or 24th century BC ), contained immense amounts of luxury items made out of precious metals, and semi-precious stones all of which would have had to been imported from long distances ( Iran, Afghanistan, India, Asia Minor, the Persian Gulf ).
These processes use a welding power supply to create and maintain an electric arc between an electrode and the base material to melt metals at the welding point.
These include fluctuating configurations of defects in metals, fluctuating occupancies of traps in semiconductors, and fluctuating domain structures in magnetic materials.
These orbitals are known as Landau levels, and at weak magnetic fields, their existence gives rise to many interesting " quantum oscillations " such as the Shubnikov – de Haas oscillations and the de Haas – van Alphen effect ( which is often used to map the Fermi surface of metals ).
These include iron, nickel, cobalt, some alloys of rare earth metals, and some naturally occurring minerals such as lodestone.
These include iron ore ( magnetite or lodestone ), cobalt and nickel, as well as the rare earth metals gadolinium and dysprosium ( when at a very low temperature ).
These organic acids are much less reactive with metals than are strong mineral acids like hydrochloric acid ( HCl ) or mixtures of HCl and hydrofluoric acid ( HF ).
These stars converted the pristine hydrogen, helium, and lithium formed by the Big Bang into heavier elements, such as carbon, oxygen, and metals.
These elements have also been referred to as earth metals and as triels.
These metals are all quite malleable, and humans ' initial development of hammering techniques was undoubtedly applied to these metals.
These include such metals as zinc, magnesium, and cadmium.

These and are
These are just another couple of characters to roll.
These men are not callous.
These things are important to almost all Persians and perhaps most important to the most ordinary.
These are traversed by another line of vaults, and thus rooms, arched on all four sides, are formed.
These songs ( practically all Persian music, for that matter ) are limited to a range of two octaves.
These are not, however, differences in federal structure.
These my grandmother left in their places ( they are still there, more persistent and longer-lived than the generations of man ) and planted others like them, that flourished without careful tending.
These are like the initial ways in which the world forces itself upon the self and thrusts the self into decision and choice.
These are suggestive of Selma Lagerlof.
These assumptions lead to an organization with one man at the top, six directly under him, six under each of these, and so on until there are six levels of personnel.
These ways are absolutely irreconcilable because they offer two different recipes for man's redemption from chaos.
These responses are explicable in terms of characteristics inherent in the crisis.
These discoveries are of present interest chiefly to the scientific community ; ;
These are personality factors ; ;
These are, if the research is done with subtlety and skill, researchable topics, but the research is missing.
These moments are historical events in the lives of individual authors with which the student of comparative literature must be frequently concerned.
These lives are in themselves outside of the moral order and are unburdened with moral responsibility.
These conceptions and the manner in which they were transposed into poetry or engendered by poetic form are intrinsic to western life from the time of Aeschylus to that of Shakespeare.
These biographical analogies are obvious, and far too much time has been spent speculating on their possible implications.
These women whose organization grew out of the old suffrage movement are dedicated to Thomas Jefferson's dictum that one must cherish the people's spirit but `` Keep alive their attention ''.
These are, of course, the same people whose support he has only now rejected to seek the independent vote.
These are New York, Pennsylvania, Michigan, Maryland, Missouri, New Jersey, Illinois and Minnesota.
These men are spenders.

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