1. Its frequency is half yearly and 40 volumes have already been published. 2. After the completion of six months a Half Yearly Examination is conducted. 3. Membership also includes a meager registration fee collected either half yearly or annually. 4. However, periodic may also refer to half yearly , quarterly, monthly, bi-monthly or daily. 5. At the September 1847 half yearly shareholders'meeting the Deputy Chairman, Eagle Henderson, was chairing the meeting. 6. An Annual General Meeting and a Half Yearly Meeting are held by the members each year. 7. According to the results in 2006 s half yearly report the income was 80 million roubles. 8. Half yearly exams of Class X were on and it was the second paper English.9. As part of the half yearly promotions, he was promoted to squadron leader on 1 July 1996. 10. As part of the half yearly promotions, he was promoted to wing commander on 1 January 2003.