The Chinese species of the subgenus Gyrostoma Kirby, 1828 of the polistine genus Polistes are reviewed. An illustrated key to the seven species of the subgenus known from China is given. New synonymy are proposed for Polistes rothneyi Cameron, 1900 =P. rothneyi grahami van der Vecht, 1968, syn. nov.; =P. r. hainanensis van der Vecht, 1968, syn. nov.; =P. r. iwatai van der Vecht, 1968, syn. nov....

In Italy systematic mandatory tetanus immunization of children started in 1968. In a national sample of 241 young males born after 1968 the prevalence of non-immune subjects was 11.2% (5.5% in the North-Centre, 15.9% in the South-Islands; p < 0.02). Comparing these data with the corresponding figure obtained in a previous study of subjects born before 1968 a significant decrease (11.2% versus 3...

This paper presents application of an improved Harmony Search (HS) technique and Charged System Search algorithm (CSS) to estimate transport energy demand in Iran, based on socio-economic indicators. The models are developed in two forms (exponential and linear) and applied to forecast transport energy demand in Iran. These models are developed to estimate the future energy demands based on pop...

Gamma-irradiation effects in single-crystalline barium titanate " (1968). Retrospective Theses and Dissertations. Paper 3480. 1968 Signature was redacted for privacy.