New DMA Instrument Has Wider Testing Range.The newest model in the RSA (1) (Rural Service Area) See MSA. (2) (Rivest-Shamir-Adleman) A highly secure cryptography method by RSA Security, Inc., Bedford, MA (www.rsa.com), a division of EMC Corporation since 2006. It uses a two-part key. series of dynamic mechanical analyzers (DMA (1) (Digital Media Adapter) See digital media hub. (2) (Document Management Alliance) A specification that provides a common interface for accessing and searching document databases. ) from Rheometric Scientific, Inc., Piscataway, N.J., offers greater testing versatility than previous models. The RSA III Solids Analyzer boasts higher deformation forces (up to 35 N) and higher strain resolution ([10.sup.-6]mm), which allow testing in five different modes of deformation-bending (cantilever and three-point), tensile, compression, and shear. The unit operates with Rheometric's Windows-based Orchestrator software, which is said to allow seamless integration An addition of a new application, routine or device that works smoothly with the existing system. It implies that the new feature or program can be installed and used without problems. Contrast with "transparent," which implies that there is no discernible change after installation. into existing computer networks and easy transfer of data to other Windows programs for databases and presentations. Like other DMA units, it tests solid and semi-solid materials to determine modulus, temperature- and frequency-dependent properties (e.g., vibration and damping), and curing behavior of thermosets thermosets, materials that can not be softened on heating. In thermosetting polymers, the polymer chains are joined (or cross-linked) by intermolecular bonding. Thermosets are usually supplied as partially polymerized or as monomer-polymer mixtures. and elastomers. |
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