safety block

The expected Safety Integrity Level is SIL 3. V. Validate the designed safety system by Reliability Block Graph.

期望安全完整性等级为SIL3。五、通过可靠性框图对设计的安全系统进行安全完整性等级验证。

Objective To sum up the feasibility and safety of extradural block in situ after puncture of spinal dura mater.

目的总结硬脊膜穿破后原位实施硬膜外阻滞的可行性和安全性。

Under full current conditions, the key of electrolyzer to stop or opened is short-circuit block to safety closure and opening.

不停电停开电解槽的关键是要在巨大的系列电流的条件下，实现短路块安全的闭合或打开。

Objective To demonstrate the safety and effectiveness of Splanchnic block under guidance of CT.

目的运用CT影像技术验证其在施行腹腔神经丛阻滞术中的安全性和有效性.

Technology analysis of safety mining under grounder water in thrust block

外来系地层水体下13-1煤层安全开采技术分析

Objective : To appraise the safety of epidural block for patients receiving anticoagulation treatment.

目的: 评价抗凝病人硬膜外麻醉的安全性.

By statistic, among the recent collapses, block rock slope fallings take up 67%, which greatly threaten safety of engineering and its working.

根据统计，近年来发生的崩塌中，块裂岩质边坡崩塌占据的比重达到67%，给工程建设和运营安全造成严重的威胁。

Objective : To study operation, efficacy and safety of Ropivacaine in light specific gravity spinal block.

目的: 研究罗哌卡因在轻比重蛛网膜下腔阻滞的可行性 、 有效性和安全性.

Simulation Technology for Safety Testing of Railway Automatic Block System

区间自动闭塞系统安全性测试系统仿真建模

The current 3 methods all have hypothesis, the first two method separately assume sliding block 2 and sliding block 1 reach critical balance state first, while Equal-k Method assume the safety coefficients of the two sliding block is equal.

关于求R的条件，现行三法均采用的是假定：被动抗力法和剩余推力法分别是假定滑块2和滑块1首先达到临界平衡，等K值法是假定两滑块安全系数相等。