what do nrr ratings mean?
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Noise Reduction Rating (NRR) is a unit of measurement used to determine the effectiveness of hearing protection devices to decrease sound exposure within a given working environment. ... The higher the NRR number associated with a hearing protector, the greater the potential for noise reduction.
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NRC. The National Register of Citizens (NRC) is a register containing names of all genuine Indian citizens. At present, only Assam has such a register. The exercise may be extended to other states as well.
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NIRE (Número de Identificação do Registro de Empresas) is the State Commercial Identification Number used by the State Commercial Board (Junta Comercial do Estado). Every business must have a NIRE.
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Net rating is the offensive rating minus the defensive rating, but simply put it can be defined as how much better or worse the team is when a specific player is on the court. These ratings are usually on a per X possessions basis.
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Return on Net Worth (RONW) is a measure of the profitability of a company expressed in percentage. We calculate it by dividing the net income of the firm in question by shareholders' equity. The net income used is for the past 12 months.
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Banks are glad about a lower CRR because the Cash Reserve Ratio is money that banks park with the RBI for free, without receiving any interest on it. The CRR, now at 4 per cent, is calculated as a percentage of each bank's net demand and time liabilities (NDTL).
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An NGR is a series inductance (a coil) that is installed between the "Wye" point of a generator and ground. Its main purpose is to limit the amount of ground fault current that a generator contributes to the system.
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In general, the higher the NRR, the more noise is being prevented from entering the ear. So a device with an NRR of 30 will provide more protection against damaging noise than a device with an NRR of 26.
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The three-digit number is the tire's section width in millimeters followed by the aspect ratio: sidewall height divided by section width. The following letter(s) describe the construction: R is for radial; ZR stands for a Z-rated radial (see service description); and ZRF means Z-rated run-flat (rare).
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A company's rating is an indication of its ability to repay its debt. A negative watch indicates that its ability to repay may be deteriorating. A company's outlook may be stable, under review, negative watch, or negative.
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In awk, FNR refers to the record number (typically the line number) in the current file and NR refers to the total record number. ... This means that the condition NR==FNR is only true for the first file, as FNR resets back to 1 for the first line of each file but NR keeps on increasing.
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The natural rate of unemployment (NRU) is the unemployment rate that exists when the economy produces full-employment real output. NRU is equal to the sum of frictional and structural unemployment. ... Because of that, the natural rate of unemployment is never equal to zero.
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['CPARS Evaluation Rating Definitions under FAR 42.1503(h)(4)', "(a) Exceptional. Performance meets contractual requirements and exceeds many to the Government's benefit. ... ", "(b) Very Good. Performance meets contractual requirements and exceeds some to the Government's benefit. ... ", '(c) Satisfactory. ... ', '(d) Marginal. ... ', '(e) Unsatisfactory.']
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A positive RD value means increased risk and a negative one means decreased risk by the exposure. ... An OR value of 1 means no difference in odds between groups, and larger value than 1 means increased odds in exposed group, interpreted as a positive association between having disease and having exposure.
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The National Institutional Ranking Framework (NIRF) is a methodology adopted by the Ministry of Human Resource Development (MHRD), Government of India, to rank institutions of higher education in India. ... The Framework uses several parameters for ranking purposes like resources, research, and stakeholder perception.
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TVR. The TVR (television rating) is the measure of the popularity of a programme, daypart, commercial break or advertisement by comparing its audience to the population as a whole. One TVR is numerically equivalent to one per cent of a target audience.
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Tire Ratings - UTQGS Treadwear grades are an indication of a tire's relative wear rate. The higher the treadwear number is, the longer it should take for the tread to wear down. ... For example, a tire grade of 200 should wear twice as long as the control tire. Of current tires: 15% are rated below 200.