type i block
1Mobitz type I block type II block — Mo·bitz type I block, type II block (moґbits) [Woldemar Mobitz, Russian born cardiologist in Germany, 1889–1951] see under block …
2Mobitz type II block — a type of second degree atrioventricular block in which dropped beats occur periodically without previous lengthening of the P–R interval (cf. Wenckebach b.); it is due to a block within or below the bundle of His …
3Block matrix — In the mathematical discipline of matrix theory, a block matrix or a partitioned matrix is a matrix broken into sections called blocks. Looking at it another way, the matrix is written in terms of smaller matrices.[1] We group the rows and… …
4Block (telecommunications) — In telecommunications a block is one of: * A group of bits or digits that is transmitted as a unit and that may be encoded for error control purposes. * A string of records, words, or characters, that for technical or logical purposes are treated …
5Block Automatique À Permissivité Restreinte — Le Block Automatique à Permissivité Restreinte, ou BAPR, est un système de sécurité ferroviaire utilisé sur les lignes à trafic moyen. Pour mémoire, les systèmes de type block ont pour objectif d empêcher le rattrapage de deux convois. Histoire… …
6Block automatique a permissivite restreinte — Block automatique à permissivité restreinte Le Block Automatique à Permissivité Restreinte, ou BAPR, est un système de sécurité ferroviaire utilisé sur les lignes à trafic moyen. Pour mémoire, les systèmes de type block ont pour objectif d… …
7Block — (bl[o^]k), n. [OE. blok; cf. F. bloc (fr. OHG.), D. & Dan. blok, Sw. & G. block, OHG. bloch. There is also an OHG. bloch, biloh; bi by + the same root as that of E. lock. Cf. {Block}, v. t., {Blockade}, and see {Lock}.] [1913 Webster] 1. A piece… …
8Block printing — Block Block (bl[o^]k), n. [OE. blok; cf. F. bloc (fr. OHG.), D. & Dan. blok, Sw. & G. block, OHG. bloch. There is also an OHG. bloch, biloh; bi by + the same root as that of E. lock. Cf. {Block}, v. t., {Blockade}, and see {Lock}.] [1913 Webster] …
9Block system — Block Block (bl[o^]k), n. [OE. blok; cf. F. bloc (fr. OHG.), D. & Dan. blok, Sw. & G. block, OHG. bloch. There is also an OHG. bloch, biloh; bi by + the same root as that of E. lock. Cf. {Block}, v. t., {Blockade}, and see {Lock}.] [1913 Webster] …
10Block Manuel — Pour les articles homonymes, voir BM. Signal lumineux en block manuel sur la ligne Grenoble Montmélian …
