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- Steel (28384 bytes)
8: ...take place in a fairly oxygen-free environment. Unlike copper and tin, liquid iron dissolves carbon q...
11: ... fairly soft metallic material that can dissolve only a small concentration of carbon (no more than 0....
21: ...osphorus]] make steel more brittle, so these commonly found elements must be removed from the ore duri...
28: ... the year [[1000]], the [[Thule]] people of [[Greenland]] began making [[harpoon]]s and other edged to...
32: ...i Peninsula]], dated to about 3000 BC. Some iron oxides are effective fluxes for copper smelting; it is ... - Hydrangea (4213 bytes)
44: Other varieties only flower on 'old wood'. Thus new wood resulting fr...
46: ...ften control the flower color by adding [[calcium oxide|lime]] or [[potash]] to alter the alkalinity leve... - Actinium (7046 bytes)
47: | [[Oxidation state]]s ([[Oxide]]) || 3 (neutral)
133: ...n the dark with an eerie blue light. It is found only in traces in uranium ores as 227-Ac, an [[alpha ...
146: ...nd in trace amounts in uranium ore, but more commonly is made in milligram amounts by the neutron irra...
161: *[http://periodic.lanl.gov/elements/89.html Los Alamos National Laborato... - Artery (6875 bytes)
3: ...lled the ''intima''. This layer is made up of mainly [[endothelial cell]]s. Just deep to this layer ...
11: ...inergic, other locally produced peptides, nitrous oxide, etc. (See epinephrine, norepinephrine, alpha and...
15: ...od [[oxygen]] saturation increases and [[carbon dioxide]] levels decrease. [[Hemoglobin]] molecules with...
17: ...[[hemoglobin]] molecules have typically given up only 1 of the 4 oxygen molecules, a venous saturation...
21: ...]-poor red blood cells and surrounding [[carbon dioxide]]-elevated blood back through the lower-pressure ... - Heart (10132 bytes)
15: ...ge takes places and the blood releases [[carbon dioxide]] into the lung cavity and picks up [[oxygen]]. T...
17: ...sure. As the right ventricle needs to pump blood only to the lungs, it requires less muscle.
28: ...[[Heart sound|beating sounds of the heart]], commonly referred to as the "lub-dub" sound.
48: ...erin]] and other compounds that give off [[nitric oxide]] are used to treat heart disease as they cause t... - Ceramics (15941 bytes)
57: ...used as a susceptor in microwave furnaces, a commonly used abrasive, and as a refractory material.
59: *[[Zinc oxide]] ([[zinc|Zn]][[oxygen|O]]), which is a semicondu...
64: *Uranium oxide ([[uranium|U]]O<sub>2</sub>), used as fuel in nuc...
65: *[[Yttrium barium copper oxide]] ([[yttrium|Y]][[barium|Ba]]<sub>2</sub>[[copper...
80: ...xides that are II-VI semiconductors, such as zinc oxide. - Glass (26176 bytes)
13: ...''Common glass''' is mostly amorphous [[silicon dioxide]] ([[Silicon|Si]][[Oxygen|O]]<sub>2</sub>), which...
22: ...sub>/{{Germanium}}O<sub>2</sub> glass, which has only slightly different optical properties (the germa...
30: ...hich is obviously undesirable, so lime ([[calcium oxide]], [[Calcium|Ca]][[Oxygen|O]]) is the third compo...
32: ... also increases the refractive index. [[Thorium]] oxide gives glass a very high refractive index, and is ...
37: ...e an imitation [[porcelain]]. 2 to 3% of [[copper oxide]] produces a [[turquoise]] color. Pure metallic [... - Illuminated manuscript (5973 bytes)
1: ... strictest definition of illuminated manuscript, only manuscripts decorated with gold or silver, like ...
3: ...d, for many areas and time periods, they are the only surviving examples of painting.
32: ...lors such as [[cochineal]] and [[kermes]]; [[iron oxide]]-rich earth compounds - Blast furnace (4721 bytes)
1: ...at the [[chemical reaction]] does not take place only at the surface. Typically this is used for the ...
9: ...are poured in the top, which would normally burn only on the surface. Pre-heated air was blown into th...
15: ...ng chemically to produce pure iron and [[carbon dioxide]], which leaks out of the furnace at the top.
17: ...]) into [[calcium oxide]] and additional carbon dioxide:
21: The calcium oxide reacts with various acidic impurities in the iron... - Grover Cleveland (20963 bytes)
16: [[William McKinley]] ([[1897]])</td></tr>
29: ...t to serve two non-consecutive terms. He was the only [[United States Democratic Party|Democrat]] elec...
39: ...ng|left|thumb|Grover Cleveland was the first and only President married in the White House.]]
40: ...obably assumed responsibility because he was the only bachelor among them). After Cleveland's election...
44: ... while in office (after [[John Tyler]]), and the only President to be married in the [[White House]] i... - Mars (27704 bytes)
8: ... a quarter the surface area of the [[Earth]] and only one-tenth the [[mass]] (though its surface area ...
11: .... The atmosphere on Mars is 95 percent [[carbon dioxide]], 3 percent [[nitrogen]], 1.6 percent [[argon]],...
13: ...ile volcanic methane is accompanied by [[sulfur dioxide]].
22: ... mineral [[goethite]], which (unlike hematite) ''only'' forms in the presence of water, along with oth...
27: ...s covered with dust and sand rich in reddish iron oxides were once thought of as Martian 'continents' and... - Saturn (planet) (23300 bytes)
137: ...lanet)|Jupiter]]. Saturn has large rings made mainly out of ice and space debris. It was named after...
140: ...ith an average specific density of 0.69. This is only an average value, however; Saturn's upper atmosp...
144: ...t Saturn has a warm polar [[vortex]], and is the only planet in the solar system known to do so.
165: ...ator, and are composed of [[silica]] rock, [[iron oxide]], and ice particles ranging in size from specks ...
167: ...me gaps are cleared out by the passage of tiny moonlets such as [[Pan (moon)|Pan]], many more of which... - List of minerals (11610 bytes)
192: #[[Ferricrete]] Iron oxide cemented soil or sediment
281: #[[Limonite]] (a mixture of iron oxides and hydroxides - rust!) - Capacitor (29664 bytes)
47: ...o two broad categories: bulk insulators and metal-oxide films (so-called ''electrolytic capacitors'').
72: ...e correct polarity of [[direct current]] else the oxide layer will break down and be ruptured, causing th...
78: ...s dc. The dielectric is a thin layer of aluminum oxide. They contain corrosive liquid and can burst if t...
80: ...development of this type replaces the manganese dioxide with a conductive plastic [[polymer]] ([[polypyrr...
94: *In a capacitor [[microphone]] (commonly known as a condenser microphone), the diaphragm ... - Earth's atmosphere (10093 bytes)
31: <tr><td>[[Carbon dioxide]]<td>365 ppmv
40: Carbon dioxide and methane updated (to 1998) by [[IPCC]] TAR tab...
42: ... (0.02 ppmv), [[iodine]] (0.01 ppmv), [[carbon monoxide]] (0.0 to trace), and [[ammonia]] (0.0 to trace).
78: ...house effect]], caused by high levels of carbon dioxide, kept the Earth from [[freezing]].
80: ...hotosynthesis, they were able to convert carbon dioxide into oxygen playing a major role in oxygenating t... - Ionosphere (19365 bytes)
19: ...million collisions per second. The D layer is mainly responsible for absorption of HF radio waves, pa...
22: ...cular [[oxygen]] (O<sub>2</sub>). This layer can only reflect radio waves having frequencies less than...
28: ...into one layer at night, and in the presence of sunlight (during daytime), it divides into two layers,...
47: ...that will hit the Earth with hard X-rays on the sunlit side of the Earth. They will penetrate to the ... - Chemical element (8169 bytes)
7: There are [[as of 2004]], 116 known elements, only 91 of which occur naturally. The remaining 25 ar...
17: ...lized, even if it is derived from a proper noun (unless it would be capitalized by some other rule, fo...
41: ...m pure compounds (such as [[water]], [[salt]]s, [[oxide]]s and [[organic compound]]s). In many cases thes... - Travertine (990 bytes)
2: ...lly [[hot spring]]s) or streams holding [[calcium oxide|lime]] in solution. Extensive deposits exist at [... - Limestone (3809 bytes)
7: ..., such as [[clay]], sand, organic remains, [[iron oxide]] and other materials, many limestones exhibit di...
19: ...is used as a facade on some [[skyscraper]]s, but only in thin plates for covering rather than solid bl... - Climate change (15859 bytes)
23: ... Period"]). See also the discussion at [[carbon dioxide]].
26: ...mission by Type.png|thumb|right|Global [[carbon dioxide]] emissions.]]
36: ...tabilize increases in temperature due to carbon dioxide [http://earthobservatory.nasa.gov/Study/Iris/iris...
51: ...C]]). "The majority of the anthropogenic carbon dioxide is produced by the [[combustion]] of [[fossil fue...
54: ...and [[Russia]] contribute to absorbing [[carbon dioxide]] (they act as [[CO2 sink|CO<sub>2</sub> sinks]])...
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