混凝土水化温升抑制剂检测

GB/T 51063-2014大中型沼气工程技术规范

本规范适用于采用厌氧消化工艺处理农业有机废弃物、工业高浓度有机废水、工业有机废渣、污泥,以供气为主且沼气产量不小于500m<上标3>/d,新建、扩建和改建的沼气工程的设计、施工安装、验收及运行维护。

JC/T 2608-2021混凝土水化温升抑制剂

本文件规定了混凝土水化温升抑制剂的术语和定义、标记、要求、试验方法、检验规则以及包装、标志、出厂、运输和贮存。本文件适用于混凝土水化温升抑制剂。

ANSI/API 541-2003250马力及以上的鼠笼式模绕感应电动机

Covers the minimum requirements for form-wound squirrel-cage induction motors 500 horsepower and larger for use in petroleum industry services. Standard is typically utilized for machines that have one or more of the following: (1)is in critical service, (2) is larger than 3000 hp for speeds 1800 rpm and below, (3) is rated 800 hp or greater for two-pole 3000 or 3600 rpm, (4) drives a high-inertia load, (5) uses an adjustable speed drive as a source of power, (6) is an induction generator, (7) is a vertical machine rated 500 hp or greater and (8) operates in abnormally hostile environments