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Tatsuya Ishizu,Suguru Torii,Motoko Taguchi 한국운동영양학회 2022 Physical Activity and Nutrition (Phys Act Nutr) Vol.26 No.3
[Purpose] The current study aimed to determine the association between serum uncarboxylated osteocalcin (ucOC) levels and dietary vitamin K intake in female Japanese athletes. [Methods] The nutritional profile and food group intake of 52 Japanese female athletes were investigated using a digital photographic method with data obtained from 3-day dietary records. The food groups were categorized into 18 groups in line with the standard tables of food composition in Japan. Fasting blood samples were collected for serum ucOC levels, and dual-energy X-ray absorptiometry (DXA) evaluated body composition and bone parameters. [Results] The results showed that dietary vitamin K intake level was 235 ± 148 μg/day, and approximately 70% (n = 36) of participants consumed more than the adequate intake (AI) level, based on the Dietary Reference Intakes for Japanese females aged 18–29. Serum ucOC levels were negatively associated with daily vitamin K intake (r = −0.388, P = 0.004) and calcium (r = −0.596, P = 0.004) after adjusting for energy intake. [Conclusion] Our study revealed that serum ucOC levels were negatively associated with dietary vitamin K intake in female Japanese athletes. Serum ucOC levels reflected dietary vitamin K intake in female athletes. In summary, female athletes consume more vitamin K than the general population to maintain bone health. Furthermore, our results indicated that serum ucOC levels might be linked to dietary calcium intake.
The Japanese Way in Warfare: Japan`s Grand Strategy for the Twenty-First Century
( Tomoyuki Ishizu ) 한국국방연구원 2000 The Korean Journal of Defense Analysis Vol.12 No.1
Japan`s foreign and defense policy is now at a crossroads. The end of the Cold War opens the door for a possible policy renaissance in Japan. By "renaissance," it is meant that instead of merely responding passively to the changes in the international environment, Japan might positively shape the international environment. This marks a departure from the Japanese stance since the Second World War and should be appreciated as such. At the same time, however, it is also fair to say that Japan is still muddling through, failing to define clear national objectives and a grand strategy needed to achieve them. This article is designed to provide a useful framework upon which Japan`s future foreign and defense policy could be based. To this end, the experience of Britain will be examined. Though historical, the British model in fact provides many relevant lessons for Japan, and the author will draw on his discussion of these lessons in order to envision a grand strategy suitable for Japan`s survival and prosperity in the security environment of East Asia in the twenty-first century. In so doing, problems on the Korean peninsula and the China-Taiwan issue will be examined as case studies and developed as fully as possible. It should be noted that this article aims to provide a framework through which Japan`s foreign and defense policy could be developed in the future. As such, its focus will be conceptual rather than factual, and historical rather than current events-driven.
석진돈 한국목재공학회 1992 목재공학 Vol.20 No.3
It is well known that polymer chemistry started by the study on cellulose. However, the study on cellulose has not made a significant progress after the and World War. because the interest of researchers has directed to the newly developed synthetic polymer science. Recently the situation has been changing as suggested by the creation of a word $quot;Cellulose Renaissance$quot;. This change is due to the recognition that cellulose is a renewable resource and a biodegradable, environmentally friendly material. In this lecture I'd like to introduce you same recent topics in cellulose chemistry which were reported by japanese researchers.
Current Status of 3-Dimensional Speckle Tracking Echocardiography: A Review from Our Experiences
Yoshihiro Seo,Tomko Ishizu,Kazutaka Aonuma 한국심초음파학회 2014 Journal of Cardiovascular Imaging (J Cardiovasc Im Vol.22 No.2
Cardiac function analysis is the main focus of echocardiography. Left ventricular ejection fraction (LVEF) has been the clinicalstandard, however, LVEF is not enough to investigate myocardial function. For the last decade, speckle tracking echocardiography(STE) has been the novel clinical tool for regional and global myocardial function analysis. However, 2-dimensional imagingmethods have limitations in assessing 3-dimensional (3D) cardiac motion. In contrast, 3D echocardiography also has beenwidely used, in particular, to measure LV volume measurements and assess valvular diseases. Joining the technology bandwagon,3D-STE was introduced in 2008. Experimental studies and clinical investigations revealed the reliability and feasibility of3D-STE-derived data. In addition, 3D-STE provides a novel deformation parameter, area change ratio, which have the potentialfor more accurate assessment of overall and regional myocardial function. In this review, we introduced the features of the methodology,validation, and clinical application of 3D-STE based on our experiences for 7 years.