The statistical observation was performed on 1, 337 cases of premature babies over 5 gestational months delivered at the Maternity Hospital of Okayama University School of Medicine, during the period from April, 1934 to November, 1957. (total number of deliveries 10, 000 during the same period).
The following results were obtained from this observation.
1) The incidence of premature baby is 13.37%. (14.63≥P≥12.50%)
2) Being divided into two groups, prewar and postwar groups, there is noted the significant difference between them, the later showing the distinct decrease of the incidence.
3) The younger age group is generally higher than the elder in frequency.
4) There has been noted remarkable difference between the primiparous and the multiparous groups, the former having the higher frequency than the later,
5) The great majority of premature babies has been delivered in winter.
6) The ratio of male to female is 106 to 100.
7) The majority of babies is weighed over 2000g and beyond 253 days of fetal age.
8) The number of patients having historically the premature interruption of pregnacies is found more in the postwar than the prewar.
9) The types of labors are shown as follows, sponsaneous, 91.8%, breech presentation, 7.3%, and artificial induction of labors, 2.9%. (by bougie)
10) In about half number of babies, there are present the maternal complications to be suggestful as the causes, among which the great majority of number is covered by the premature rupture of membrane, toxemias of pregnancy, twin and contracted pelvis.
11) The external malformation is noted in 1.12%.
12) The death-rate of babies is 13.83% (15.99≥P≥12.38%) during 7 days of postpartum. Prewar: 12.31%, postwar; 17.27%. As has been shown above, the higher incidence has been noted in the postwar than prewar groups. The deathrate classified into the groups under the birth weight and the length of pregnacy has significant tendency.
Dividing the death-rate mentioned above into the prewar and postwar groups, the later being not necessarilly increased in comparison with the former. The remarkablly high deathrate is found at the time immediately after the delivery.
The great majority of babies, being separated into the causes of death, was died of the congenital devility.

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　“つと豆腐”は茨城県東茨城郡茨城町の郷土料理であり，近年，その喫食機会は著しく減少している。“つと豆腐”の潜在的購買層を把握するため，2016年9月に茨城町内のショッピングモール来店者を対象に試食アンケート調査を行った。“つと豆腐”に対する購入意向は，“つと豆腐”の伝承意識が高く，食に対する健康志向が高い回答者，および“つと豆腐”が「食べやすい」および「子供が喜ぶ」と評価した回答者で最も高かった。購入意向を示した回答者の多くは，“つと豆腐”を日々の食事の食材およびおつまみとして購入することを期待し，購入場所としてスーパーマーケットを希望した。価格受容分析の結果，豆腐一丁（約300 g）から作られた“つと豆腐”の最適価格および無差別価格（妥当価格）はそれぞれ177円および195円と推定された。“つと豆腐”は日常食として現代の消費者に受け入れられる可能性が高いと考えられる。

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The vortex method is one of the methods for simulating high Reynolds number flow problems of incompressible viscous flow. In this paper, the equations of the vortex method are formulated from the integral equations of equation of continuity and Navie Stokes equations by using Gaussian distribution for vortex model. The equations are expressed in terms of vortices in internal domain and these on boundary. And then it is shown that the vortex method is one type of boundary element methods.

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In order to prevent injuries in earthquake, person at home is nessesary to take apporopriate actions, but it is difficult to make an accurate snap judgment during an earthquake. As one of the solution strategy, we have been developing an evacuation guidance system using five senses information. In the step of this study, we tried to propose a monitoring system capable of judging some events from indoor sound information at normal and earthquake. A recognition system function built in the system identifies the occurrence and location of events including living activities and indoor damage caused by earthquake through the analysis by deep learning.

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