permissible adj. ~ (for sb)(to do sth) 容许的;许可的 noise n. 1.[C,U]噪音,杂讯,响声,喧闹 2.[pl]应酬话 v. 1.[T]谣传 2.[I]喧闹 MAX 【计】 最大 max abbr. 1. 最高的;最多的;最大极限的 2. 至多 v.[I,T] 1. max (sth) out 达到最高极限 最新...
Martin, ColeBurge, PaulINTER-NOISE and NOISE-CON Congress and Conference Proceedings
The American National Standards Institute (ANSI) specifies maximum permissible ambient noise levels (MPANLs) allowed in an audiometric test room to ensure that hearing thresholds obtained down to 0-dB HL will not be elevated due to masking by ambient noise. MPANLs were originally specified in 196...
a现在学生被要求完成的作业太多了 Now the student is requested the work which completes too to be many[translate] a60 dB(A) above 0.9 kHz is the maximum permissible background noise level within the test chamber. 60 dB (A)在0.9千赫之上是最高可允许背景噪声水平在测试房间之内。[translate]...
Define Maximum Permissible Exposure. Maximum Permissible Exposure synonyms, Maximum Permissible Exposure pronunciation, Maximum Permissible Exposure translation, English dictionary definition of Maximum Permissible Exposure. abbr. Master of Public Educat
It will specify a new type approval test method for noise emission and will give revised limit values for the permissible ... FD Roo - 《Institute of Noise Control Engineering》 被引量: 1发表: 2013年 New EU and UN/ECE Vehicle noise emission limits and associated measurement methods In 2013...
Worldwide accepted range of the total aflatoxin in foodstuffs is 1–20 ppb and in the feed the permissible limit range is 0–50 ppb. The limits for the aflatoxin M1 in the milk for human consumption are 0.05–0.5 ppb (FAO, 2003). Maximum limits of 2 μg/kg for AFB1 and 4 μg/kg...
maximum permissible concentration Maximum Permissible Concentration MPC maximum permissible dose maximum producible oil index ▼ Full browser ? ▲ Maximum Demand Indicator Maximum Densities maximum depression Maximum Design Pressure Maximum Design Working Pressure Maximum Detectable Limit Maximum Detectable Rigidity...
At rated engine speed and maximum permissible turbine-discharge temperature, the altitude limit as determined by combustion blow-out occurred as a band of ... HW Dowman,J Reller - 《Technical Report Archive & Image Library》 被引量: 0发表: 1948年 Warning device on an aircraft The control de...
Bottom line: a 4-inch exhaust duct diameter is perfectly permissible and will work fine as long as the CFM rate of the fan OR the length of duct run (including effects of elbows or bends) does not exceed what the manufacturer recommends. In those cases a larger duct may be the solution...