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The file format has been reverse-engineered and documentation of it is freely available. [7] [8] The file starts with bytes "ITSF" (in ASCII), for "Info-Tech Storage Format", which is the internal name given by Microsoft to the generic storage file format used for CHM files. [9] CHM files support the following features: Data compression (using LZX)
Universal communication format is a communication protocol developed by the IEEE for multimedia communication. Y. Hiranaka, H. Sakakibara and T. Taketa of Yamagata University proposed UCF in 2005. From the abstract: [1] Various intelligent equipments and software are gradually designed to communicate with other equipment or software.
The OPC is specified in Part 2 of the Office Open XML standards ISO/IEC 29500:2008 and ECMA-376. [1] [2]The ISO/IEC 29500-2:2008 specification and the second edition of ECMA-376 makes a normative reference to PKWARE, Inc.'s .ZIP File Format Specification version 6.2.0 (2004), and supplements it with a normative set of clarifications.
Some tools, such as Jmol and KiNG, [2] could read PDB files in gzipped format. The wwPDB maintained the specifications of the PDB file format and its XML alternative, PDBML. There was a fairly major change in PDB format specification (to version 3.0) in August 2007, and a remediation of many file problems in the existing database. [3]
There are actually two Excellon formats, the older Excellon 1 and Excellon 2. Excellon 2 is a superset of IPC-NC-349. Commands from both are sometimes confusingly mixed in the same file. Excellon Automation stopped publishing the specification of its format, without statement on the IP and usage rights of the format. An archived copy exists. [8]
Thread seal tape lubricates, allowing for a deeper seating of the threads, and it helps prevent the threads from seizing when being unscrewed. [1] The tape also works as a deformable filler and thread lubricant, helping to seal the joint without hardening or making it more difficult to tighten, [2] and instead making it easier to tighten. [1]
A simple labyrinth seal A labyrinth seal on a steam turbine shaft. A labyrinth seal is a type of mechanical seal that provides a tortuous path to help prevent leakage. An example of such a seal is sometimes found within an axle's bearing to help prevent the leakage of the oil lubricating the bearing.
Standard Parasitic Exchange Format (SPEF) is an IEEE standard for representing parasitic data of wires in a chip in ASCII format. Non-ideal wires have parasitic resistance and capacitance that are captured by SPEF.