... collection of "compulsory" standard literature using the Machinery Directive and relevant standard Authors: Jürgen Behrens Martin Bender Manfred Eickhoff Frank Friederiszick Wolfgang Nitschky Ulrich Trapp... and principles • Control circuits, supply cables and command processing redundant and self-monitored • Open-circuit and connection faults are detected immediately or with the next start ...
... 0986. 120 .635 Thầy Hà Hữu Hải - facebook.com/thaygiaohaihn - 0986. 120 .635 Giải: PT mặt cầu (S) có dạng: x2 + y2 + z2 – 2ax – 2by – 2cz + d = (S) qua A: 6a + 2b + 2c – d – 11 = (S) qua B: 2b +... 2) M trung điểm CC′ nên M(–4; 2; 1) PT mặt cầu (S) qua A, B’, C’ M có dạng: (S ) : x + y + z2 + x + 2by + 2cz + d = A(0; 0; 0) ∈ (S ) B '(1 ;2; 2) ∈ (S ) 3 − ;c = − ;d = (thoả a2 + b2 + c2... ...