References in periodicals archive ?
7 Equipment & Product Filter Demand in China 156
Then you can just swap out filters when they need cleaning and you have a spare set for replacing damaged filters.
The third type of filter is the electrostatic filter, which is efficient when clean but less efficient as it becomes dirty.
Smart caching -- Diamond recognizes that interactive searches often require a lot of refinement; the user poses a query, observes some partial results, and adds a new filter or tweaks an existing filter in response.
The procedure requires them to filter so they are just looking at the water,'' said Paul Costa, Boeing director of environmental protection.
The second part of the investigations included several criteria to focus on the iron's chill tendency, microstructure (graphite morphology and metallic structure), cleanliness and the integrity of the filter.
These phases then lead to higher fuel consumption as well as an increase in particle emissions, therefore creating the need for the additional use of a PM-Filter-Catalyst or a conventional particle filter.
We prefer a better disposable furnace filter (such as the "Ultra Allergen" from 3M), which costs about $20 each at the hardware store, somewhat less on the Web.
Members of AOL Time Warner's America Online can make use of AOL's internal Web filter.
Dust, Some units include a built-in prefilter, which can help strain large dust particles before they fill the spaces between HEPA filter fibers.
The mill also decided against using dissolved air flotation (DAF) clarifiers or backwashing pressure filters equipped with metallic filter elements.