Quan Guo Fang Zhong Dian (3 results)

paperback. Condition: New. Paperback Language: Chinese. Production safety risk management system and implementation of the guidance document assembly a compilation of the China Southern Power Grid Company of production safety risk management system and implementation guidance . the China Southern Power Grid Company of hazard identification and risk assessment techniques composition and structure of standards . the mission observed the operation of the Guide. on behalf of the operational guidelines of the security zone .

paperback. Condition: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Paperback. Pub Date :2013-07-01 Pages: 316 Language: Chinese Publisher: Capital Normal University Press facing China Education Tomorrow: National local key Provost Teachers Colleges Joint Committee anthology The main contents include: exploration and practice. Specialty Construction as a breakthrough to actively promote the construction of undergraduate teaching quality . adhere to a center. two features three reform efforts to improve education quality . strengthen local institutions shock a.Four Satisfaction guaranteed,or money back.

paperback. Condition: New. Ship out in 2 business day, And Fast shipping, Free Tracking number will be provided after the shipment.Paperback. Pub Date: 2012 Pages: 778 Language: Chinese in Publisher: China Quality Press. Standards Press of China national standards of explosion-proof electrical assembly (1) provides that the explosive environment with the structure of the electrical equipment and Ex components General requirements for testing and marking. In line with the compilation of national standards of explosion-proof electrical (1) electrical equipment provisions applicable to the following standard atmospheric conditions exist dangerous places in the explosive environment. explosion-proof electrical national standard assembly (1) a supplement modify except when: Temperature: -20 to +60 ; pressure: 80kPa ~ 110kPa; standard oxygen content of the air (by volume): 21%. Atmospheric conditions beyond the scope of the use of electrical equipment required for special consideration. and may require additional evaluation and testing. Contents: the GB 3836.1-2010 explosive environment - Part 1: equipment General requirements the GB 3836.2-2010 explosive atmospheres - Part 2: flameproof enclosure d equipment the GB 3836.3-2010 explosive environment protection - Part 3: increased safety e equipment the GB 3836.4-2010 explosive environment protection - Part 4: i intrinsically safe equipment to protect GB 3836.16-2006 explosive gas atmospheres Part 16 of the electrical equipment: inspection and maintenance of electrical installations (other than mines) GB explosive gas environments GB 3836.18-2010 explosive atmospheres - Part 18: Intrinsically safe systems GB 3836.19-2010 Explosive atmospheres - Part 19: Fieldbus intrinsically safe electrical equipment - Part 17: positive pressure room or building structure and concept (FISCo) GB 3836.20-2010 explosive atmospheres Part 20: equipment protection level (EPL) Ga-class equipment GBT 12173-2008 Mine GB 19518.1-2004 general electrical equipment for explosive gas atmospheres - Electrical resistance trace heating Part 1: General and testing requirements GBT 19518 2-2004 explosive gas atmospheres - Electrical resistance trace heating - Part 2: Design. installation and maintenance guide GB 19854-2005 explosive atmospheres industrial vehicle explosion-proof technology General Clauses GB 20800.1- engines GB 2006 explosive environment flammable gas and vapor atmospheres engines to GB 20800.2-2006 explosive environment with a reciprocating internal combustion engine explosion-proof technology General Clauses Part 1: Principles of explosion protection technology with reciprocating internal combustion engines - Part 2: combustible dust 20800.3-2008 explosive atmospheres reciprocating internal combustion engine explosion-proof technology - Part 3: the presence of methane and (or) combustible dust underground mine roadway employment class internal combustion engine GB 20936.1-2007 combustible gas detection using electrical equipment - Part 1: General requirements and Test method GB 20936.2-2009 combustible gas detection volume content of methane in air Kui 5% of the working class detector performance requirements GBT 20936.3-2009 flammable gas detection using electrical equipment - Part 3: Show electrical equipment - Part 2: air methane volume fraction up to 100% of the working class detector performance requirements GB 20936.4-2008 combustible gas detection display class II detector gas volume fraction up to 100% performance requirements of electrical equipment - Part 4: GB 22380.1-2008 Fuel gas station explosion-proof safety technology - Part 1: Fuel tanker explosion-proof safety technology requirements GB 22380.2-2010 fuel gas station explosion-proof safety technology - Part 2: tanker safety pull off the valve structure and performance security requirements GB 22380. 3-2010 Part 3 of the fuel gas station explosion safety technology: the safety of the structure and performance of shear valves requires of GB 25285.1-2010 explosi.