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ChemOffice.Com - CambridgeSoft

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Data<br />

type<br />

Enumerated<br />

Value<br />

Action to take<br />

with Numerical Units in<br />

Property Lists for more<br />

information.<br />

Choose a value from the dropdown<br />

list.<br />

3. Click elsewhere in the section.<br />

The value is displayed in the cell.<br />

Depending upon your system configuration, certain<br />

properties may have one or several of the following<br />

attributes:<br />

• Read Only – certain properties may be for<br />

display only, and it may not be possible to edit<br />

them.<br />

• Required – it may not be possible to delete a<br />

particular property from a property list. If a<br />

property is required, you will be presented with<br />

an error message when you attempt to delete it.<br />

• Not Blank – it may be necessary to enter a<br />

value for a particular property before you can<br />

perform a transition on the collection. For<br />

example, an experiment collection may be set<br />

up such that it is necessary to enter an<br />

equipment id before you can close the<br />

experiment. If this is the case, you will be<br />

prompted to enter the values when you<br />

attempt to perform the transition. Again, see<br />

Performing a Collection Transition for more<br />

information about transitions<br />

• Validated – Values you enter into property list<br />

may be checked against an external database, to<br />

ensure that they are valid values. In this case, if<br />

you enter an invalid value, you will receive an<br />

error message, and E-Notebook will not accept<br />

the value.<br />

• Enumerated from a database – values<br />

displayed in a drop down list for any particular<br />

property may be pulled from an external<br />

database.<br />

When searching with the Property Query Field,<br />

numeric values for properties are interpreted by<br />

evaluating the longest possible set of characters that<br />

are converted into a number, starting with the first<br />

character. For example, a search for 37.5 will find<br />

37.5g. A search for 2 will find 2 ATM/50. Also,<br />

conversion is performed to find equivalent values.<br />

For example, when searching over a volume<br />

property for which mL are the default units, a<br />

search for 50 mL will return both 0.05 L and 50 mL.<br />

Working with Numerical Units in<br />

Property Lists<br />

Property lists may contain numerical properties,<br />

which may have default units associated with them.<br />

Your system configuration determines the default<br />

units for any given property. The following types of<br />

measurements may be specified or displayed in the<br />

permitted units shown below.<br />

For example, there may be a property of “mass”<br />

and its default units may be grams (g). If you enter<br />

a numerical value into the property without<br />

specifying units, the units will be displayed and<br />

stored as grams. You may also enter any of the<br />

permitted mass units shown below, such as mg or<br />

kg.<br />

Type of<br />

Measurement<br />

density<br />

Permitted Units<br />

g/ml<br />

µg/ml<br />

mg/ml<br />

µg/l<br />

mg/l<br />

g/l<br />

E-Notebook<br />

<strong>ChemOffice</strong> 2005/E-Notebook Reactions, MS Word, MS Excel, and Other Sections • 425<br />

Working with Reaction Sections

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