From 414d787d8e7c0ae8dfd9faa87fb9ce4e4316a608 Mon Sep 17 00:00:00 2001
From: Markus Fleschutz <markus.fleschutz@atcsim.de>
Date: Wed, 26 Jul 2023 17:05:26 +0200
Subject: [PATCH] Add some abbreviations

---
 Data/Abbr/chemistry.csv |  9 ++++-----
 Data/Abbr/general.csv   | 12 +++++++-----
 2 files changed, 11 insertions(+), 10 deletions(-)

diff --git a/Data/Abbr/chemistry.csv b/Data/Abbr/chemistry.csv
index c9085a9e..24457096 100644
--- a/Data/Abbr/chemistry.csv
+++ b/Data/Abbr/chemistry.csv
@@ -360,11 +360,10 @@ GT,Greater Than
 GTL,Gas To Liquid
 GTN,Glyceryl TriNitrate
 Gy,"Gray (radiation unit)"
-h,convection heat transfer coefficient
-H,Enthalpy
-h,hecto prefix (102)
-H,Hydrogen
-h,Planck’s constant
+H,"Enthalpy, Hydrogen"
+h,"hecto prefix (102), Planck’s constant, convection heat transfer coefficient"
+H2,Chemical formula for hydrogen gas (dihydrogen)
+H2O,Chemical symbol for water - each molecule of water contains two atoms of hydrogen (H) joined to a single atom of oxygen (O)
 Ha,"Hahnium (initial name for dubnium)"
 HA,Hemagglutinin
 HAA,HaloAcetic Acid
diff --git a/Data/Abbr/general.csv b/Data/Abbr/general.csv
index 36a221d7..bf19ea13 100644
--- a/Data/Abbr/general.csv
+++ b/Data/Abbr/general.csv
@@ -1918,7 +1918,9 @@ GY,Guyana (FIPS 10-4 country code; ISO 3166 digram)
 GZ,Gaza Strip (FIPS 10-4 territory code),Ground Zero
 GZK,Greisen-Zatsepin-Kuzmin cut-off (cosmic ray energies)
 h,Hecto
-H,Henry,Hydrogen
+H,Henry
+H1,First half of the year
+H2,Second half of the year
 HA,Haiti (FIPS 10-4 country code),High Availability
 HAARP,High Frequency Active Auroral Research Program
 HAART,Highly Active Anti-Retroviral Therapy
@@ -3991,10 +3993,10 @@ PY,Paraguay (ISO 3166 digram),Person-Year,Portsmouth yardstick
 PYF,French Polynesia (ISO 3166 trigram)
 PYMWYMI,Put Your Money Where Your Mouth Is
 PZ,Panama Canal Zone (ISO 3166 digram; obsolete 1980),Pickup Zone
-Q1,First Quarter
-Q2,Second Quarter
-Q3,Third Quarter
-Q4,Fourth Quarter
+Q1,First quarter of the year
+Q2,Second quarter of the year
+Q3,Third quarter of the year
+Q4,Fourth quarter of the year
 QA,Qatar (FIPS 10-4 country code; ISO 3166 digram)
 Qantas,Queensland And Northern Territory Aerial Services
 QAP,Quadripartite Advisory Publication ("kwapp")