|Product Name||Electricity 4: Ac/Dc Motors, Controls, And Maintenance|
|Category||Book / Magazine / Publication|
|Amazon.com||Buy on Amazon ~ 0766818993|
|Price New||33.46 US Dollars (curriencies)|
|Price Used||51.45 US Dollars (curriencies)|
|Width||7.33 inches (convert)|
|Height||0.59 inches (convert)|
|Length||9.2 inches (convert)|
|Author||Walter N. Alerich, Jeff Keljik|
|Features||Used Book in Good Condition|
|Long Description||The fourth book in Delmar's Electricity 1-4 series, Electricity 4: AC/DC Motors, Controls and Maintenance, 7E introduces readers to DC and AC motors, as well as many types of manual, magnetic and electronic controls. Throughout this edition, motors are described in detail enabling the reader to develop a working knowledge of the operations, advantages and disadvantages of each type. A wide variety of controls are also explained to aid understanding, while discussion of AC motors and associated controls helps to develop an appreciation of control schemes applied to various applications of the motors. This edition features new and improved photos and diagrams to better enable readers to tie theory and practice together into real-life situations. Any references to the National Electrical Code have been updated, and some chapter material has also been rearranged to improve continuity. Specific objectives precede the introduction of each topic, while summaries and quiz items enable readers to measure their progress at the end of each chapter.|
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Article of interest
The attributes are somewhat like fields. They are the individual data items that describe each product. Each product entry will have several attributes. There is no telling which attributes will be attached to each product but they all have the same basic format.
Here is an example of one attribute. When accessing the data feed API, you can get your data in XML or JSON format. Here it is displayed in XML format to make it a little easier to read through.
<attribute> <field_name>product</field_name> <group_name>Over View</group_name> <title>Product Name</title> <data_type>varchar</data_type> <data_type_description>short text</data_type_description> <has_linked_text>0</has_linked_text> <has_linked_extra>0</has_linked_extra> </attribute>
In the above example you will find these elements:
- field_name - The unique name used to access this attribute.
- group_name - The name of the data group this field belongs to.
- title - The label we place on the screen when displaying this attribute to users.
- data_type - The database data type we are using to store this attribute.
- data_type_description - More infomation about the data type.
- has_linked_text - Some numeric fields have a text representation. We store the numeric value but if there is linked text, we use a lookup table to display that text instead of the number to the user.
- has_linked_extra - Some numeric fields have an extra text value that goes along with the number. We use a lookup table to display that text in addition to the number.
Hopefully, this helps you understand the data attributes you find in the data feed API.