[JJG 482-1987] 標(biāo)準(zhǔn)電容傳聲器(自由場(chǎng)互易法)檢定規(guī)程[已作廢]
發(fā)布時(shí)間:2001-10-01
實(shí)施時(shí)間:2001-10-01
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[JJF 1306-1990] 3 cm、5 cm同軸熱噪聲基準(zhǔn)操作技術(shù)規(guī)范[現(xiàn)行]
發(fā)布時(shí)間:2000-12-01
實(shí)施時(shí)間:2000-12-01
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[JJG (石油) 10-2000] 雙頻道回聲測(cè)試儀檢定規(guī)程[現(xiàn)行]
發(fā)布時(shí)間:2000-12-01
實(shí)施時(shí)間:2001-05-01
本規(guī)程適用于雙頻道回聲測(cè)試儀的首次檢定、后續(xù)檢定和使用中的檢驗(yàn)。其它功能類似的儀器可參照本規(guī)程執(zhí)行。
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[GB/T 17247.1-2000] 聲學(xué) 戶外聲傳播衰減 第1部分:大氣聲吸收的計(jì)算[現(xiàn)行]
發(fā)布時(shí)間:2000-03-01
實(shí)施時(shí)間:2000-12-01
本標(biāo)準(zhǔn)規(guī)定了各種氣象條件下,戶外聲源發(fā)出的聲音,經(jīng)過大氣傳播時(shí),大氣吸收引起的聲衰減的計(jì)算方法。
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發(fā)布時(shí)間:2000-03-01
實(shí)施時(shí)間:2000-12-01
本標(biāo)準(zhǔn)對(duì)測(cè)定各類機(jī)器和設(shè)備工作位置和其他指定位置發(fā)射聲壓級(jí)的各個(gè)基礎(chǔ)標(biāo)準(zhǔn)進(jìn)行了簡(jiǎn)要概述,并對(duì)于根據(jù)機(jī)..
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[JJG 188-1990] 聲級(jí)計(jì)檢定規(guī)程[已作廢]
發(fā)布時(shí)間:1999-11-12
實(shí)施時(shí)間:1993-05-01
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[JJG 947-1999] 聲學(xué)驗(yàn)潮儀檢定規(guī)程[現(xiàn)行]
發(fā)布時(shí)間:1999-10-18
實(shí)施時(shí)間:2000-03-15
本規(guī)程適用于新制造、使用中和修理后的聲學(xué)驗(yàn)潮儀的檢定。也可用于聲學(xué)水位計(jì)的檢定。
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[JJG (鐵道) 169-1998] 音頻分機(jī)測(cè)試儀檢定規(guī)程[已廢止]
發(fā)布時(shí)間:1999-07-01
實(shí)施時(shí)間:1999-07-01
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[JJF 1269-1990] 耦合腔互易法聲壓基準(zhǔn)操作技術(shù)規(guī)范[現(xiàn)行]
發(fā)布時(shí)間:1999-06-04
實(shí)施時(shí)間:1999-06-04
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[JJF 1270-1990] 耦合腔互易法聲壓副基準(zhǔn)操作技術(shù)規(guī)范[現(xiàn)行]
發(fā)布時(shí)間:1999-06-04
實(shí)施時(shí)間:1999-06-04
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[JJF 1271-1990] 電聲自由場(chǎng)聲壓基準(zhǔn)操作技術(shù)規(guī)范[現(xiàn)行]
發(fā)布時(shí)間:1999-06-04
實(shí)施時(shí)間:1999-06-04
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[JJF 1272-1990] 空氣聲聲壓基準(zhǔn)(自由聲場(chǎng))操作技術(shù)規(guī)范[現(xiàn)行]
發(fā)布時(shí)間:1999-06-04
實(shí)施時(shí)間:1999-06-04
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[JJF 1273-1990] 高頻(0.1~5 MHz)水聲聲壓基準(zhǔn)操作技術(shù)規(guī)范[現(xiàn)行]
發(fā)布時(shí)間:1999-06-04
實(shí)施時(shí)間:1999-06-04
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[JJF 1274-1990] 中頻(2~100 kHz)水聲聲壓基準(zhǔn)操作技術(shù)規(guī)范[現(xiàn)行]
發(fā)布時(shí)間:1999-06-04
實(shí)施時(shí)間:1999-06-04
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[JJF 1275-1990] 低頻(1~2000 Hz)水聲聲壓基準(zhǔn)操作技術(shù)規(guī)范[現(xiàn)行]
發(fā)布時(shí)間:1999-06-04
實(shí)施時(shí)間:1999-06-04
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[JJF 1276-1990] 瓦級(jí)超聲功率基準(zhǔn)操作技術(shù)規(guī)范[現(xiàn)行]
發(fā)布時(shí)間:1999-06-04
實(shí)施時(shí)間:1999-06-04
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[JJF 1277-1990] 瓦級(jí)超聲功率副基準(zhǔn)操作技術(shù)規(guī)范[現(xiàn)行]
發(fā)布時(shí)間:1999-06-04
實(shí)施時(shí)間:1999-06-04
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[JJF 1278-1990] 毫瓦級(jí)超聲功率基準(zhǔn)操作技術(shù)規(guī)范[現(xiàn)行]
發(fā)布時(shí)間:1999-06-04
實(shí)施時(shí)間:1999-06-04
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[JJF 1279-1990] 毫瓦級(jí)超聲功率副基準(zhǔn)操作技術(shù)規(guī)范[現(xiàn)行]
發(fā)布時(shí)間:1999-06-04
實(shí)施時(shí)間:1999-06-04
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[JJF 1280-1990] 氣導(dǎo)聽力零級(jí)基準(zhǔn)操作技術(shù)規(guī)范[現(xiàn)行]
發(fā)布時(shí)間:1999-06-04
實(shí)施時(shí)間:1999-06-04
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