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.
The Biocidal Products Directive (BPD) also known as the Biocides Directive is European Union Directive, (98/8/EC), which concerns biocides.It is officially known as Directive 98/8/EC of the European Parliament and of the Council of 16 February 1998 concerning the placing of biocidal products on the market.iocidal products and active substances fall into four categories and twenty-three product-types that are all regulated by the EU under the Biocidal Products Directive.