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Roughness progression for a road in Texas, US. Blue dots show the times of maintenance. The international roughness index (IRI) is the roughness index most commonly obtained from measured longitudinal road profiles. It is calculated using a quarter-car vehicle math model, whose response is accumulated to yield a roughness index with units of ...
The present serviceability index (PSI) is a pavement performance measure.Introduced by the American Association of State Highway and Transportation Officials (AASHTO), the PSI is one of the most widely used pavement performance indicators after pavement condition index (PCI) and international roughness index (IRI).
The pavement condition index (PCI) is a numerical index between 0 and 100, which is used to indicate the general condition of a pavement section.The PCI is widely used in transportation civil engineering [1] and asset management, and many municipalities use it to measure the performance of their road infrastructure and their levels of service. [2]
The Indonesian Food and Drug Authority (Indonesian: Badan Pengawas Obat dan Makanan, lit. 'Food and Drug Supervisory Agency'), Badan POM/BPOM, or Indonesian FDA is a government agency of Indonesia responsible for protecting public health through the control and supervision of prescription and over-the-counter pharmaceutical drugs (medication), vaccines, biopharmaceuticals, dietary supplements ...
Roughness length, roughness as applied in meteorology; International Roughness Index, the roughness of a road; Hydraulic roughness, the roughness of land and waterway features; Roughness (psychophysics) in psychoacoustics refers to the level of dissonance; The 'roughness' of a line or surface, measured numerically by the Hausdorff dimension
Removing the copy/past violation flag. Looking at the comparison at , the identified sections are either technical phrases or names of organizations, such as "National Cooperative Highway Research Program," or cover definitions and other material that has been present in the article since as early as 2010 (five years prior to the publication of the thesis).
The therapeutic index (TI; also referred to as therapeutic ratio) is a quantitative measurement of the relative safety of a drug with regard to risk of overdose. It is a comparison of the amount of a therapeutic agent that causes toxicity to the amount that causes the therapeutic effect . [ 1 ]
This is a list of Indonesian provinces by Human Development Index as of 2024. The data are regularly published every year by Statistics Indonesia . [ 1 ] Below also contains list of cities and regencies that has classification of very high HDI as of 2024, as well as historical data of HDI of Indonesian provinces.