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.
CCD is an implementation guide for sharing Continuity of Care Record (CCR) patient summary data using the HL7 Version 3 Clinical Document Architecture (CDA), Release 2. CCD establishes a rich set of templates representing the typical sections of a summary record, and expresses these templates as constraints on CDA.