Oncomelania nosophora in Kofu basin,Yamanashi Prefecture, Japan

of Engineering , Univ . of Yamanashi , Kofu , Yamanashi , Japan

We describe a further development of the stochastic state selection method, a new Monte Carlo method we have proposed recently to make numerical calculations in large quantum spin systems. Making recursive use of the stochastic state selection technique in the Lanczos approach, we estimate the ground state energy of the spin1/2 quantum Heisenberg antiferromagnet on a 48-site triangular lattice....

Suicide in Mie Prefecture, Japan, since 1990.

The number of suicides in Japan has increased to over 30,000 per year since 1998. Similarly, the number of suicides has been increasing in Mie Prefecture. In the present study, we examined the incidence and the circumstances of all suicidal cases that were reported to the Mie Prefectural Police Headquarters during the thirteen-year period 1990-2002. In Mie Prefecture, the number of suicides per...

An Outbreak of Carbon Monoxide Poisoning in Yamagata Prefecture Following the Great East Japan Earthquake

Background: In the aftermath of the Great East Japan Earthquake, most of the areas in Yamagata prefecture experienced a serious power failure lasting for approximately 24 hours. A number of households were subsequently poisoned with carbon monoxide (CO) due to various causes. In this study, we conducted a survey of CO poisoning during the disaster. Methods: A questionnaire regarding CO poisonin...

Imported malaria cases in Okinawa Prefecture, Japan.

With the increase in global transportation, imported malaria has become a significant public health concern in Japan. In the present study, we retrospectively analyzed all imported malaria cases in Okinawa Prefecture from 1988 to 2012. In that period, 23 patients with imported malaria were admitted to the University of the Ryukyus Hospital. Malaria types observed included Plasmodium falciparum ...

An Overview of Hydrogen Sulfide Suicides Based on Police Data in Yamagata Prefecture, Japan