rename some keys

data/INFO.json

@@ -15,25 +15,25 @@
     "p": "pressure",
     "rho": "Density at pressure p and temperature T",
     "T": "Temperature",
-    "Tm": "Normal melting point at pressure p",
-    "Tb": "Normal boiling point at vapor pressure p"
+    "T_m": "Normal melting point at pressure p",
+    "T_b": "Normal boiling point at vapor pressure p"
   },
   "rho(T)": {
     "rho_m": "Estimated density at higher temperatures (up to Tmax or about 20°C): \\[\\rho(T)=\\rho\\ti{m}-k(T-T_m)\\]",
     "k": "",
-    "Tmax": "The maximum temperature for the estimated density"
+    "T_max": "The maximum temperature for the estimated density"
   },
   "p_b(T)": "Vapor pressure \\(p\\) in pascals: \\[\\log(p/Pa) = 5.006 + A + BT^{-1} + C\\log{T} + DT^3\\] where temperature T in K; p. 6-72",
   "Electromagnetic Data": {
     "chi_m": "Magnetic susceptibility; Molar susceptibility \\[\\chi\\ti{m} = \\kappa V\\ti{m} = \\kappa M / \\rho \\] where \\(\\kappa\\) is the volume susceptibility, \\(V\\ti{m}\\) is the molar volume of the substance, \\(M\\) the molar mass, and \\(\\rho\\) the mass density. \\(\\kappa = \\bold{M}/\\bold{H}\\) where \\(\\bold{H}\\) is the magnetic filed and \\(\\bold{M}\\) is magnetic moment per unit volume.",
-    "Electrical conductivity": ""
+    "sigma": "Electrical conductivity"
   },
   "Mechanical Properties": {
-    "Temperature": "Reference temperature",
-    "Density": "Density",
-    "Young modulus": "Module of elasticity",
-    "Yield strength": "R_{p0.2}",
-    "Ultimate tensile strength": "R_m",
+    "T": "Reference temperature",
+    "rho": "Density",
+    "E": "Young modulus, module of elasticity",
+    "R_p02": "Yield strength R_e, R_{p0.2}",
+    "R_m": "Ultimate tensile strength R_m",
     "Elongation": "A_5",
     "Hardness": {
       "HBW": ""
@@ -41,7 +41,8 @@
   },
   "Thermodynamic Properties": {
     "Crystal, Liquid, Gas": {
-      "Coefficient of thermal expansion": "",
+      "alpha": "Coefficient of thermal expansion",
+      "k": "Thermal conductivity",
       "Delta_f H°": "Standard molar enthalpy (heat) of formation at 298.15 K in kJ/mol. 0.0 indicates the reference state.",
       "Delta_f G°": "Standard molar Gibbs energy of formation at 298.15 K in kJ/mol",
       "S°": "Standard molar entropy at 298.15 K in J/mol/K",
@@ -62,7 +63,7 @@
     "T": "Temperature",
     "C11, C12, C44": ""
   },
-    "Dynamik viscosity mu(T)": "List of temperature and viscosity values.",
+  "Dynamik viscosity mu(T)": "List of temperature and viscosity values.",
   "Human": {
     "Constituents of Human Blood": {
       "Total volume of blood": "7.5 L for a male and 6.7 L for a female in 100 kg adult.",
@@ -96,14 +97,14 @@
   },
   "Electromagnetic Data": {
     "chi_m": [16.5e-6, "cm³/mol"],
-    "Electrical conductivity": ["16-18", "m/Ω/mm²"]
+    "sigma": ["16-18", "m/Ω/mm²"]
   },
   "Mechanical Properties": {
-    "Temperature": ["20-25", "°C"],
-    "Density": [2.66, "g/cm³"],
-    "Young modulus": [70, "GPa"],
-    "Yield strength": ["110-130", "MPa"],
-    "Ultimate tensile strength": ["230-290", "MPa"],
+    "T": ["20-25", "°C"],
+    "rho": [2.66, "g/cm³"],
+    "E": [70, "GPa"],
+    "R_p02": ["110-130", "MPa"],
+    "R_m": ["230-290", "MPa"],
     "Elongation": ["10-15", "%"],
     "Hardness": {
       "HBW": ["68-75", "2.5/62.5"]
@@ -111,7 +112,9 @@
   },
   "Thermodynamic Properties": {
     "Crystal": {
-      "Coefficient of thermal expansion": [23.3, "m/µm/K"]
+      "alpha": [23.3, "m/µm/K"],
+      "k": ["110-130", "W/m/K"],
+      "cp": [900, "J/kg/K"]
     }
   },
   "Source": [