The asthenosphere is a part of the upper mantle just below the lithosphere that is involved in plate tectonic movement and isostatic adjustments.n the old oceanic mantle the transition from the lithosphere to the asthenosphere, the so-called lithosphere-asthenosphere boundary (LAB) is shallow (about 60 km in some regions) with a sharp and large velocity drop (5-10%).
direct delivery. Consignment in which the delivery documents (such as a bill of lading) are sent directly to the consignee, without using an intermediary such as a bank.
Direct Secure Messaging. What is Direct? Direct is a national encryption standard for securely exchanging clinical healthcare data via the Internet. It is also known as the Direct Project, Direct Exchange and Direct Secure Messaging. It specifies the secure, scalable and standards-based method for the exchange of Protected Health Information (PHI). It was developed in 2010 under a part of a federal project for standards-based healthcare communications.