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  2. Tax deduction at source - Wikipedia

    en.wikipedia.org/wiki/Tax_deduction_at_source

    Tax deduction at source. Tax deduction at source (TDS) is an Indian withholding tax that is a means of collecting tax on income, dividends, or asset sales by requiring the payer (or legal intermediary) to deduct tax due before paying the balance to the payee (and the tax to the revenue authority). Under the Indian Income Tax Act of 1961, income ...

  3. Total dissolved solids - Wikipedia

    en.wikipedia.org/wiki/Total_dissolved_solids

    Total dissolved solids (TDS) is a measure of the dissolved combined content of all inorganic and organic substances present in a liquid in molecular, ionized, or micro-granular (colloidal sol) suspended form. TDS are often measured in parts per million (ppm). TDS in water can be measured using a digital meter.

  4. Income tax in the United States - Wikipedia

    en.wikipedia.org/wiki/Income_tax_in_the_United...

    In 1913, the top tax rate was 7% on incomes above $500,000 (equivalent to $15.4 million [97] in 2023 dollars) and a total of $28.3 million was collected. [98] During World War I, the top rate rose to 77% and the income threshold to be in this top bracket increased to $1,000,000 (equivalent to $23.8 million [97] in 2023 dollars).

  5. Wastewater quality indicators - Wikipedia

    en.wikipedia.org/wiki/Wastewater_quality_indicators

    Wastewater quality indicators are laboratory test methodologies to assess suitability of wastewater for disposal, treatment or reuse. The main parameters in sewage that are measured to assess the sewage strength or quality as well as treatment options include: solids, indicators of organic matter, nitrogen, phosphorus, indicators of fecal ...

  6. Conductivity (electrolytic) - Wikipedia

    en.wikipedia.org/wiki/Conductivity_(electrolytic)

    Conductivity or specific conductance of an electrolyte solution is a measure of its ability to conduct electricity. The SI unit of conductivity is siemens per meter (S/m). Conductivity measurements are used routinely in many industrial and environmental applications as a fast, inexpensive and reliable way of measuring the ionic content in a ...

  7. Training, validation, and test data sets - Wikipedia

    en.wikipedia.org/wiki/Training,_validation,_and...

    A training data set is a data set of examples used during the learning process and is used to fit the parameters (e.g., weights) of, for example, a classifier. [9] [10]For classification tasks, a supervised learning algorithm looks at the training data set to determine, or learn, the optimal combinations of variables that will generate a good predictive model. [11]

  8. Corporate tax - Wikipedia

    en.wikipedia.org/wiki/Corporate_tax

    v. t. e. A corporate tax, also called corporation tax or company tax, is a type of direct tax levied on the income or capital of corporations and other similar legal entities. The tax is usually imposed at the national level, but it may also be imposed at state or local levels in some countries. Corporate taxes may be referred to as income tax ...

  9. Dividend distribution tax - Wikipedia

    en.wikipedia.org/wiki/Dividend_distribution_tax

    The Finance Act, 2020 also imposes a TDS on dividend distribution by companies and mutual funds on or after 1 April 2020. The normal rate of TDS is 10% on dividend income paid in excess of Rs 5,000 from a company or mutual fund. However, as a COVID-19 relief measure, the government reduced the TDS rate to 7.5% for distribution from 14 May 2020 ...