Precision bearings according to ISO grading standards are divided into: P0, P6, P5, P4, P2. Rank higher in turn, where P0 is the general accuracy, other grades are precision level. Of course, different classification standards, different types of bearings, their classification method somewhat different, but the meaning is to the. The use of performance requirements of precision bearings rotating body with high runout accuracy, high-speed rotation and small changes in friction and friction.
2013年7月26日星期五
Strengthen supervision and monitoring of drinking water health capacity building
(Eleven) to enrich professionals. Ground (city) level and above health oversight agencies to set drinking water health supervision and law enforcement work responsible for specialized departments, county (district) level health oversight agencies with full-time staff to undertake drinking water health supervision. Accordance with the "Ministry of Health, Health Authority on doing service work co-management guidance" (Health Slewing bearing [2011] No. 82) requirements, township hospitals, community health centers to be set up drinking water safety responsibility, responsible for implementing drinking water, health and safety inspections. Disease prevention and control institutions at all levels to enrich the health monitoring of drinking water and drinking water contamination incidents health hazard survey technology. Establish and improve the professional training and examination system, improve the quality of personnel.
(Twelve) to improve monitoring capabilities. Local health administrative departments at all levels in accordance with the jurisdiction to carry out regular monitoring of drinking water to the actual needs, plan health sector capacity building drinking water testing to ensure that "drinking water health standards" full and effective implementation. Disease prevention and control institutions at all levels should strengthen the construction of facilities and equipment, water analysis, water quality monitoring technology to improve the daily capacity, strengthening health monitoring of drinking water quality control. The provincial capital cities and disease prevention and control institutions to achieve "drinking water health standards" All indicators of detection capability, local municipal disease prevention and control targets to be achieved in addition to the radioactive water than all conventional indicators and unconventional indicators of heavy metals, organic pollutants controlled substance and other key indicators of detection capabilities, and encourage qualified municipal disease prevention and control institutions meet "drinking water health standards" All indicators detection capability, county (district) level disease prevention and control targets to be achieved except for radioactive than conventional water quality all index detection capability. Health inspection agencies at all levels should be reasonable with drinking water health supervision on-site testing equipment and equipment, improve the scientific health supervision, reliability and timeliness.
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