Merge pull request #126 from microbiomedata/storage_process_class

Add `StorageProcess` class

src/data/valid/StorageProcess-minimal.yaml

@@ -0,0 +1,20 @@
+
+id: nmdc:matprc-99-zUCd5N
+substances_used:
+  - known_as: nmdc:chem-99-000003 # see src/data/valid/Database-chemical_entity_set-1.yaml
+    type: nmdc:PortionOfSubstance
+    final_concentration:
+      type: nmdc:QuantityValue
+      has_unit: '%'
+      has_numeric_value: 1
+contained_in: falcon_tube
+start_date: "2021-01-14"
+temperature:
+  type: nmdc:QuantityValue
+  has_unit: degrees Celsius
+  has_numeric_value: 80
+has_input: 
+  - nmdc:procsm-99-dtTMNb
+has_output: 
+  - nmdc:procsm-78-BZAPKH
+type: nmdc:StorageProcess

src/schema/nmdc.yaml

@@ -425,6 +425,22 @@ classes:
       volume:
         description: The volume of sample filtered.
 
+  StorageProcess:
+    class_uri: 'nmdc:StorageProcess'
+    description: >-
+      A planned process with the objective to preserve and protect material entities by placing them in an identified 
+      location which may have a controlled environment.
+    is_a: PlannedProcess
+    related_mappings: 
+      - OBI:0302893
+    slots:
+      - substances_used
+      - contained_in
+      - temperature
+    slot_usage:
+      substances_used:
+        description: The substance(s) that a processed sample is stored in. 
+
   ChromatographicSeparationProcess:
     class_uri: 'nmdc:ChromatographicSeparationProcess'
     description: