経時的な冠動脈CTを用いて検出した冠動脈プラーク進展の特徴に関する検討

藤田保健衛生大

Aging of the Zero-Field-Cooled Magnetization in Ising Spin Glasses: Experiment and Numerical Simulation

A new protocol of the zero-field-cooled (ZFC) magnetization process is studied experimentally on an Ising spin-glass (SG) Fe$_{0.50}$Mn$_{0.50}$TiO$_3$ and numerically on the Edwards-Anderson Ising SG model. Although the time scales differ very much between the experiment and the simulation, the behavior of the ZFC magnetization observed in the two systems can be interpreted by means of a common scaling expression based on the droplet picture. The results strongly suggest that the SG coherence length, or the mean size of droplet excitations, involved even in the experimental ZFC process, is about a hundred lattice distances or less.Comment: 4 pages, 5 fugure

Relationship Between Expression of Gratitude and the Success of Email Counseling for Suicide Prevention

Background: Studies focused on gratitude as a suicide prevention strategy that strengthens protective factors are increasing. However, previous studies did not examine the relationship between the actual occurrence of gratitude behavior and its suicide prevention effect.Aim: We examined whether the occurrence of gratitude behavior is related to suicide prevention. Methods: An advertisement inviting viewers to use free email-based psychological consultation services was placed on web pages that displayed the results of searches using suicide-related keywords. All emails received replies as part of gatekeeping activities, and the data obtained (responses to an online questionnaire and the content of the emails received) were analyzed.Results: In total, 197 consultation service users were analyzed; 33.3% were male and the median age range was 20–29 years. Logistic regression analysis showed an association between service users\u27 expression of gratitude to the gatekeeper in their second consultation email and successful online gatekeeping (odds ratio = 4.62, 95% confidence interval = 2.52–8.48). There were no statistically significant associations with other independent variables. Conclusion: This study supports the hypothesis that gratitude functions as a protective factor for suicide

ポーランド ホッキョク カンソク キチ ホーンスン ノ ショウカイ

ポーランドは,スバールバル諸島スピッツベルゲン島のホーンスン・フィヨルドに北極観測基地を設け,通年観測を行っている.この観測基地は,非北極国が独自に運営する通年北極観測基地としては,世界中で唯一のものである.このたび,同基地について調査する機会を得たので,報告する.Poland operates a year-round Arctic station at Hornsund, Spitsbergen, Svalbard. It is the only permanent Arctic station which a non-Arctic state operates independently. The author was given an opportunity to visit the station, and a brief report is prepared

Change of glaciers in Spitsbergen Island since 1933 observed with surface photographs

Change of several glaciers in Spitsbergen Island was investigated using surface photographs taken in 1933 and afterward. All glaciers investigated decreased their thickness and area at their terminal parts in the period from 1933 to 2004

Mechanical path to a photogenerated structure: ball milling-induced phase transition of a gold(I) complex

Ball milling of blue-emitting crystal 1B of gold(I) isocyanide complex 1 induces a phase transition to yellow-emitting powder 1Y(G), which has the same solid structure as the previously reported 1Y obtained upon photoirradiation of 1B. This is the first example of mechanical stimulation inducing a phase change to a photo-accessible crystalline phase