Kalzium - komments to some strings

[Albert Astals Cid]

El Dimarts, 12 de juny de 2012, a les 17:25:14, Claus Christensen va escriure:
> Hi

Is anyone taking care of this?

Anyone that knwos some chemistry can chime in and confirm/deny Claus' 
comments?

Cheers,
  Albert

> 
> I translating the latest strings for Kalzium, I came across a some that
> seem a bit unclear:
> 
> The definition of Element:
> 
> #. i18n: file: data/knowledge.xml:28
> #: rc.cpp:2216
> msgid ""
> "Matter that cannot be broken down into simpler matter. Chemical
> elements are "
> "cornerstones of Materials. Elements consist of atoms that consist of a "
> "nucleus of positive protons, neutral neutrons, and a shell of electrons."
> 
> While not exactly wrong, arguably all matter "consist of atoms that...".
> I would suggest replacing the last sentence with something like:
> 
> "Elements consist of atoms with nuclei having the same number of
> protons. Hence all neutral atoms of an element also have the same number
> of electrons."
> 
> The definition of Phase:
> 
> #. i18n: file: data/knowledge.xml:79
> #: rc.cpp:2266
> msgid ""
> "Through chemical composition and physical attributes, homogeneous
> portion of "
> "matter that separated from its environment in its expansion through a "
> "surface."
> 
> I found that difficult to understand. Maybe it could be reformulated as:
> 
> "A portion of matter that is homogeneous in chemical composition and
> physical attributes and separated from its environment by a surface."
> 
> This is what wikipedia writes:
> 
> "In the physical sciences, a phase is a region of space (a thermodynamic
> system), throughout which all physical properties of a material are
> essentially uniform." ... "A simple description is that a phase is a
> region of material that is chemically uniform, physically distinct, and
> (often) mechanically separable."
> 
> The definition of SI Unit:
> 
> #. i18n: file: data/knowledge.xml:91
> #: rc.cpp:2278
> msgid "Measurement unit using International Symbols."
> 
> I think "Measurement unit belonging to the International System" would
> be better.
> 
> On atomic masses:
> 
> #. i18n: file: data/knowledge.xml:132
> #: rc.cpp:2320
> msgid ""
> "Mass of an atom, taken on a scale where the mass of a carbon atom is
> 12u. In "
> "elements that consist of different isotopes the mid-range mass of the "
> "isotope mix is given."
> 
> According to wikipedia the mid-range is the arithmetic mean of the
> minimal and the maximal value. However, the atomic mass is the weighted
> average mass of all isotopes of an element.
> 
> Heating coil is probably not what is meant here:
> 
> #. i18n: file: data/tools.xml:37
> #: rc.cpp:2501
> msgid "Heating Coil"
> 
> and here
> 
> #. i18n: file: data/tools.xml:38
> #: rc.cpp:2503
> msgid ""
> "Heating coils are used to heat flasks and other containers. Multiple
> heating "
> "coils can be connected with a thermometer so that the heat will not
> exceed a "
> "specified temperature. It is possible to use a magnetic field inside the "
> "heating coil to stir fluids with a magnetic stirrer. This will homogenize "
> "the fluid in terms of temperature and composition."
> 
> I think either "Hot plate" or "Magnetic stirrer" would be better (see
> Wikipedia)
> 
> Finally, "Mix(es)" should probably be "mixture(s)" in the following
> messages:
> 
> #. i18n: file: data/knowledge.xml:24
> #: rc.cpp:2212
> msgid ""
> "Separation of a liquid solution (homogeneous mix) into its components "
> "through evaporation and condensation. In a fractionary distillation the "
> "process is repeated several times in a column."
> 
> #. i18n: file: data/knowledge.xml:32
> #: rc.cpp:2220
> msgid "Heterogeneous mix of two liquids."
> 
> #. i18n: file: data/knowledge.xml:36
> #: rc.cpp:2224
> msgid "Processing a homogeneous or heterogeneous mix to get pure matter."
> 
> #. i18n: file: data/knowledge.xml:38
> #. i18n: file: data/knowledge.xml:46
> #: rc.cpp:2226 rc.cpp:2232
> msgid "Mix"
> 
> #. i18n: file: data/knowledge.xml:47
> #: rc.cpp:2234
> msgid ""
> "Matter consisting of differentiated matter, combined in non-set ratios.
> [i]"
> "Homogeneous mixes[/i] have a coherent look, [i]heterogeneous mixes[/i] "
> "consist of multiple phases."
> 
> #. i18n: file: data/knowledge.xml:67
> #: rc.cpp:2254
> msgid "Homogeneous mix of multiple pure materials"
> 
> #. i18n: file: data/knowledge.xml:103
> #: rc.cpp:2290
> msgid "Heterogeneous mix consisting of a liquid and solid matter."
> 
> #. i18n: file: data/knowledge.xml:132
> #: rc.cpp:2320
> msgid ""
> "Mass of an atom, taken on a scale where the mass of a carbon atom is
> 12u. In "
> "elements that consist of different isotopes the mid-range mass of the "
> "isotope mix is given."
> 
> Greatings, Claus
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