Whether a given star is circumpolar at the observer's latitude (Î¸) may be calculated in terms of the star's declination (Î´). The star is circumpolar if Î¸+Î´ is greater than +90Â° (observer in northern hemisphere), or Î¸+Î´ is less than â90Â° (observer in southern hemisphere).
Countervailing duties. Countervailing duties (CVDs), also known as anti-subsidy duties, are trade import duties imposed under World Trade Organization (WTO) rules to neutralize the negative effects of subsidies. They are imposed after an investigation finds that a foreign country subsidizes its exports, injuring domestic producers in the importing country.
BRD, an acronym of Business Requirements Document is widely accepted structured document for project requirements which defines what should be delivered in order to gain value in the project.