that a valve plug within a valve is stuck, that the device is not communicating properly, that the device needs scheduled maintenance because, for example, a certain amount of time has passed or because a valve member of the device has undergone a certain amount of travel since the last mai...
Knowing those locations within a memory device which are inoperable at the time the memory is made or subsequently tested, but prior to introducing it into the downhole environment, is advantageous so that, once the device is downhole, information will not be written into, and thus not be lost...
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In the past however, process controllers were not necessarily aware of these other devices or the process controllers simply assumed that these devices were operating properly when performing process control. Still further, many process plants have other computers associated therewith which execute ...
Thus, adequate functioning of marine systems depends in turn on biodiversity and that fact dictates the need for a broader strategy in the management of biodiversity than conservation alone can accomplish. Any biodiversity project must begin with characterization of the biodiversity as fully as possible...