论文部分内容阅读
由国家技术监督局提出,交通部标准计量研究所负责编制的 GB/T 12303-90《海船声号器具的声压级测量》标准,已由国家技术监督局发布,并于1991年1月1日实施。现将标准有关情况作一简介。一、编制标准的目的意义海船声号器具包括号笛、号钟、号锣,它是船舶在海上航行时向对方船舶发出的一种信号。1972年国际海上避碰规则中已对船舶声响器具的测量检验提出了明确的要求。该避碰规则1981年修正案已于1983年6月1日正式生效,它要求现有航行于国际和沿海上的船舶从1986年7月15日起实行。我国船舶检验局于1986年2月向有关单
It is proposed by the State Bureau of Technical Supervision that the standard of GB / T 12303-90 “Sound Pressure Level Measurement of Sea-Owl Sound Equipment” compiled by the Institute of Standards and Metrology of the Ministry of Communications has been promulgated by the State Bureau of Technical Supervision and released in January 1991 Implemented on the 1st. Now the standard of the situation for a brief introduction. First, the purpose of the preparation of the standard seabirds sound equipment including the horn, bell, gongs, it is the ship during the sea to the other ship sent a signal. The 1972 International Rules for Collision Avoidance has set forth specific requirements for the survey and measurement of ship sound equipment. The Avoidance Rule 1981 Amendment came into effect on June 1, 1983, and it requires that existing ships operating on international and coastal lines be implemented from July 15, 1986. China Ship Inspection Bureau in February 1986 to the relevant single