Search results

• USPO1,740,737
  ...at the end of the handle 5 a foot 25, which can be rested on the door or a table or other supporting surface, and the location of the device in an inverted ...rning whistle will begin to operate, and after it has operated for several periodic intervals, the hot shell is taken away from the heater, and the heat turned
  36 KB (6,093 words) - 21:12, 19 June 2010
• Mercury (element)
  ...91}}</ref><ref>{{cite web|url=http://antoine.frostburg.edu/chem/senese/101/periodic/faq/why-is-mercury-liquid.shtml|accessdate=2009-07-07|title=Why is mercury {{Compact periodic table}}
  69 KB (10,077 words) - 20:35, 20 September 2010
• Propædia
  ...a field in its entirety. Finally, the ''Propædia'' serves as an expanded Table of Contents for the ''[[Micropædia]]'' and ''[[Macropædia]]''; according ...en and one woman were involved in developing the Outline of Knowledge (see Table 2 below).
  41 KB (5,585 words) - 12:32, 19 September 2010
• Iron(II) hydroxide
  * [[Periodic table]]
  5 KB (720 words) - 09:07, 20 September 2010
• Polymer
  *'''Periodic copolymers''' have monomer residue types arranged in a repeating sequence: ...of the differences between the various naming conventions are given in the table below:
  45 KB (6,501 words) - 09:11, 20 September 2010
• Coordination polymers
  ...cules (metals and ligands) can self-assemble onto the growing crystal in a periodic array. ...rent metal cations. All of the metals come from Group 2 on the [[periodic table]] ([[alkaline earth metals]]) and in this case, dimensionality increases wi
  23 KB (3,302 words) - 09:11, 20 September 2010
• Metal
  {{unreferenced section|date=July 2010|also, position in periodic table isn't definition}} ...tallic elements can only be found on the right-hand-side of the [[Periodic Table of the Elements]]. A diagonal line, drawn from [[boron]] (B) to [[polonium]
  24 KB (3,311 words) - 09:13, 20 September 2010
• Metallic bond
  ...ce it became clear that metals formed the large majority of the [[periodic table]] of the elements and great progress was made in the description of the sal ...ion of the model, box-like [[Brillouin zone]]s are added to k-space by the periodic potential experienced from the (ionic) lattice.
  26 KB (4,024 words) - 09:13, 20 September 2010
• Refractory metals
  ...up vary significantly because they are members different [[Group (periodic table)|groups]].<ref name="Lipi">{{cite journal | doi = 10.1007/BF00775076 | titl ...bers of three distinct [[Group (periodic table)|groups]] in the [[periodic table]]. They are easily oxidized, this reaction is slowed down in the bulk metal
  25 KB (3,519 words) - 09:13, 20 September 2010
• Ruthenium
  ...is a rare [[transition metal]] of the [[platinum group]] of the [[periodic table]]; and like the other metals of the platinum group, ruthenium is inert to m ...e [[platinum group]] and is in [[group 8 element|group 8]] of the periodic table:
  39 KB (5,430 words) - 09:13, 20 September 2010
• Aerogel
  ...of aerogel made of [[chalcogen]]s (the column of elements on the periodic table beginning with oxygen) such as sulfur, selenium, and other elements.<ref>Bi
  26 KB (3,758 words) - 09:14, 20 September 2010
• Steel
  ...ygen]] or [[sulfur]].<ref>{{cite web|last=Winter|first=Mark|title=Periodic Table: Iron|publisher=The University of Sheffield|url=http://www.webelements.com/
  44 KB (6,419 words) - 09:22, 20 September 2010
• Bamboo
  A second theory, the fire cycle hypothesis, argues that periodic flowering followed by death of the adult plants has evolved as a mechanism ...how_cdr.asp?url_file=/docrep/x5390e/x5390e05.htm FAO: 'gregarious' species table]).
  47 KB (7,158 words) - 09:22, 20 September 2010
• Iron
  {{Compact periodic table}}
  67 KB (9,808 words) - 09:24, 20 September 2010
• Ethylene oxide
  ...e carbon-oxygen bonds in the molecule is revealed by the comparison in the table of the energy required to break two C–O bonds in the ethylene oxide or on ...ons with [[pyridine]] derivatives and hydrolysis of ethylene glycol with [[periodic acid]]. The produced [[iodic acid]] is detected with [[silver nitrate]].
  82 KB (11,709 words) - 20:31, 20 September 2010
• Manganese
  {{Compact periodic table}}
  44 KB (6,128 words) - 20:32, 20 September 2010
• Arsenic
  ...f [[phosphorus]], which occupies the same group (column) of the [[periodic table]]. Arsenic is less commonly observed in the pentavalent state, however. T {{compact periodic table}}
  51 KB (7,314 words) - 20:34, 20 September 2010
• Chromium
  *[http://periodic.lanl.gov/elements/24.html Los Alamos National Laboratory - Chromium] {{compact periodic table}}
  51 KB (7,299 words) - 20:34, 20 September 2010
• Cadmium
  {{compact periodic table}}
  34 KB (4,743 words) - 20:34, 20 September 2010
• Beryllium
  {{Compact periodic table}}
  41 KB (5,890 words) - 20:34, 20 September 2010

View (previous 20 | next 20) (20 | 50 | 100 | 250 | 500)