检索结果-南通市图书馆

辅助谐振变换极软开关逆变器分段定时间控制方法

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

中国电机工程学报 2010年第18期30卷 1-8页

作者：马柯徐德鸿张涛 Seiki igarashi 浙江大学电气工程学院浙江省杭州市310027 富士电机电子技术株式会社

辅助谐振变换极(auxiliary resonant commutatedpole,ARCP)是一种重要的软开关逆变器拓扑,其辅助开关的控制方法会影响到逆变器的效率及可靠性。传统定时间控制方法虽然简单易实现,但该控制方法下,逆变器的轻载效率表现不够理想。通过... 详细信息

辅助谐振变换极(auxiliary resonant commutatedpole,ARCP)是一种重要的软开关逆变器拓扑,其辅助开关的控制方法会影响到逆变器的效率及可靠性。传统定时间控制方法虽然简单易实现,但该控制方法下,逆变器的轻载效率表现不够理想。通过对定时间控制下ARCP逆变器的电流应力及损耗分布进行详细地分析,找出提高逆变器效率的关键途径,并提出一种新的分段定时间控制方法。该控制方法在不增加控制和电路复杂度的前提下,改善了ARCP逆变器的效率。最后在一台2kW/20kHz实验样机上验证了分析结果。

关键词：软开关逆变器辅助谐振变换极(ARCP) 控制方法分段定时间

Status of Understanding of the Disease and Self-Management Behavior among Patients with Hypertension

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Health 2019年第7期11卷 905-923页

作者： Ryoko igarashi Department of Medical Education Tokyo Medical University Tokyo Japan

Background: Hypertension is a lifestyle-related disease that has no subjective symptoms but could lead to severe complications. The goals of treatment for hypertension are to maintain blood pressure with medications and prevent complications. Measuring blood pressure at home regularly is critical for patients with hypertension. Purpose: This study aimed to 1) clarify the status of patients’ understanding of hypertension and self-management, 2) identify nursing practices that could support patients with hypertension in making them aware of the need for understanding hypertension, monitoring blood pressure at home, and engaging in self-management. Method: A questionnaire survey on understanding of the disease and self-management behavior was conducted among patients with hypertension who regularly visited outpatient clinics. As for data analysis, descriptive statistics were computed for patients’ attributes, clinical findings, understanding of the disease, and self-management behavior. Cross-tabulation and the chi-square test were used for each item on understanding of the disease and self-management behaviors. Results: Data were obtained from 150 participants (93 males and 57 females) with a mean age of 70 years. Patients with a higher understanding of the disease and those who were aware of the target blood pressure were more likely to engage in self-management behavior, including monitoring blood pressure at home, ensuring regular outpatient visits, and consulting with nurses or physicians. In addition, the percentage of patients who recognized the need to achieve their target blood pressure was higher among those who had a spouse and lived with their family. Discussion: Regular monitoring and recording of blood pressure at home are the most important self-management behaviors. Understanding of the disease and self-management behavior and support from the family are critical for maintaining appropriate self-management. Therefore, in cooperation with physicians, nur

关键词： Self-Management Behavior Hypertension Patient Patient Education

Near-Infrared Imaging Using a High-Speed Monitoring Near Infrared Hyperspectral Camera(Compovision)

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

光谱学与光谱分析 2015年第4期35卷 865-869页

作者： Daitaro Ishikawa Asako Motomura Yoko igarashi Yukihiro Ozaki Graduate School of Agricultural Science Tohoku University 1-1 Amamiya Tsutsumidori Aobaku Sendai 981-8555 Japan Sumitomo Electric Industries Ltd. 1 Taya Sakae Yokohama Kanagawa 244-8588 Japan School of Science and Technology Kwansei Gakuin University 2-1 Gakuen Sanda Hyogo 669-1337 Japan

This review paper reports near-infrared(NIR)imaging studies using a newly-developed NIR camera,*** can measure a significantly wide area of 150mm×250mm at high speed of between 2and *** enables a wide spectral region measurement in the 1 000~2 350nm range at 6nm *** investigated the potential of Compovision in the applications to industrial problems such as the evaluation of pharmaceutical tablets and *** studies have demonstrated that NIR imaging based on Compovision can solve several issues such as long acquisition times and relatively low sensitivity of *** imaging with Compovision is strongly expected to be applied not only to pharmaceutical tablet monitoring and polymer characterization but also to various applications such as those to food products,biomedical substances and organic and inorganic materials.

关键词： Near infrared spectroscopy Imaging Hyperspectral camera

Self-Management Behaviors of Patients with Hypertension in Daily Life

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Open Journal of Nursing 2019年第6期9卷 561-585页

作者： Ryoko igarashi Department of Medical Education Tokyo Medical University Tokyo Japan

Background: In a rapidly aging Japanese society, the number of patients with hypertension has seen a steady increase. The basic treatments for hypertension are maintaining blood pressure through medication and preventing complications. It is important for patients with hypertension to perform self-management. This improves their lifestyle while controlling their blood pressure to prevent complications and maintain good health. Purpose: This study aimed to examine the actual self-management behavior ability of patients with hypertension and to clarify the factors involved in their self-management behavior. Methods: A total of 150 patients with hypertension were included in this study. The following data were obtained from the patients as background information: sex, age, years with disease, whether they are receiving antihypertensive agents, type of antihypertensive agent, blood test data, heart thoracic ratio, left ventricular ejection fraction, pulse wave, pulse wave velocity, and height. The levels of self-management skills of the patients were also assessed using the “Instrument to Measure the Self-care of patients with Hypertension” developed by Tsuboi et al. Results: The associations among self-management behaviors in daily life, such as diet, exercise, stress, medication, alcohol intake, and smoking, were analyzed in patients with hypertension. The subjects were classified into the following three groups: aged 65 years or below (Group A), early stage elderly individuals (Group B), and late-stage elderly individuals aged 75 years or over (Group C). The results showed that the subjects in Group C had higher self-management scores for diet, exercise, stress, medication, and drinking than the subjects in the other two groups. The scores of smoking and self-management of the subjects in Group A were high but their other self-management scores were low. All the subjects were taking between 1 to 3 types of oral antihypertensive drugs. The rate of achievement of the t

关键词： Self-Management Patients with Hypertension Management Behaviors

Differences between British and Japanese perspectives on forensic mental health systems:A preliminary study

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

World Journal of Psychiatry 2017年第1期7卷 8-11页

作者： Akihiro Shiina Aika Tomoto Soichiro Omiya Aiko Sato Masaomi Iyo Yoshito igarashi Division of Medical Treatment and Rehabilitation Chiba University Center for Forensic Mental Health Division of Law and Psychiatry Chiba University Center for Forensic Mental Health Social Psychiatry and Mental Health Faculty of MedicineUniversity of Tsukuba Chiba University Graduate School of Medicine

AIM To clarify the differences in views on forensic mental health(FMH) systems between the United Kingdom and *** We conducted a series of semi-structured interviews with six leading forensic psychiatrists. Based on a discussion by the research team, we created an interview form. After we finished conducting all the interviews, we qualitatively analyzed their content. RESULTS In the United Kingdom the core domain of FMH was risk assessment and management; however, in Japan, the core domain of FMH was psychiatric testimony. In the United Kingdom, forensic psychiatrists were responsible for ensuring public safety, and psychopathy was identified as a disease but deemed as not suitable for medical treatment. On the other hand, in Japan, psychopathy was not considered a mental illness. CONCLUSION In conclusion, there are considerable differences between the United Kingdom and Japan with regard to the concepts of FMH. Some ideas taken from both cultures for better FMH practice were suggested.

关键词： Forensic mental health Medical treatment and supervision act Psychopathy International comparison Qualitative research

Y chromosome microdeletion screening using a new molecular diagnostic method in 1030 Japanese males with infertility

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Asian Journal of Andrology 2020年第4期22卷 368-371页

作者： Masashi Iijima Kazuyoshi Shigehara Hideki igarashi Koichi Kyono Yasuo Suzuki Yuji Tsuji Yoshitomo Kobori Hideyuki Kobayashi Atsushi Mizokami Department of Integrative Cancer Therapy and Urology Kanazawa University Graduate School of Medical ScienceKanazawa 920-8641Japan Kyono ART Clinic Sendai 980-0014Japan Kyono ART Clinic TakanawaTokyo 108-0074Japan Suzuki Lady's Hospital Kanazawa 921-8033Japan Ebisu Tsuji Clinic Tokyo 150-0021Japan Tenjin Tsuji Clinic Fukuoka 810-0001Japan Dokkyo Medical University Koshigaya Hospital Saitama 343-8555Japan Department of Urology Faculty of MedicineToho UniversityTokyo 143-8541Japan

The azoospermia factor(AZF)region is important for spermatogenesis,and deletions within these regions are a common cause of oligozoospermia and *** several studies have reported this cause,the present research,to the best of our knowledge,is the first large-scale study assessing this factor in *** this study,1030 male patients with infertility who were examined for Y chromosome microdeletion using the polymerase chain reaction-reverse sequence-specific oligonucleotide(PCR-rSSO)method,a newly developed method for Y chromosome microdeletion screening,were *** study enrolled 250 patients with severe oligospermia and 717 patients with *** the 1030 patients,4,4,10,and 52 had AZFa,AZFb,AZFb+c,and AZFc deletions,*** sperm recovery rate(SRR)of microdissection testicular sperm extraction in patients with AZFc deletions was significantly higher than that in those without AZF deletions(60.0%vs 28.7%,P=0.04).In patients with gr/gr deletion,SRR was 18.7%,which was lower than that in those without gr/gr deletion,but was not statistically *** conclusion,our study showed that the frequency of Y chromosome microdeletion in male patients in Japan was similar to that reported in patients from other countries,and SRR was higher in patients with AZFc deletion.

关键词： azoospermia factor Japanese infertile men sperm recovery rate Y chromosome microdeletion

GATA4 mutations are uncommon in patients with 46,XY disorders of sex development without heart anomaly

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Asian Journal of Andrology 2018年第6期20卷 629-631页

作者： Maki igarashi Kentaro Mizuno Masafumi Kon Satoshi Narumi Yoshiyuki Kojima Yutaro Hayashi Tsutomu Ogata Maki Fukami Department of Molecular Endocrinology National Research Institute for Child Health and Development Tokyo 157-8535 Japan Department of Nephro-Urology Nagoya City University Graduate School of Medical Sciences Nagoya 467-8601 Japan Department of Urology Fukushima Medical University Fukushima 960-1295 Japan Department of Pediatrics Hamamatsu University School of Medicine Hamamatsu 431-3192 Japan

Dear Editor, Disorders of sex development （DSDs） are a group of conditions in which chromosomal, gonadal, or anatomical sex is atypical.1 DSD in genetic males （46,XY DSD） primarily results from impaired androgen production or action or perturbed genital morphogenesis？ The current understanding of the genetic basis of 46,XY DSD remains fragmentary. For example, although more than 15 genes have been implicated in the development ofnonsyndromic hypospadias,2 one of the most common forms of 46,XY DSD,~ mutations in these genes account for 〈20% of the cases.3

关键词： TRANSCRIPTION HYPOSPADIAS ETIOLOGY GENE

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

大尺度电离层行扰的GPS观测

地球物理学报 2002年第4期45卷 453-460页

作者：张东和 K.igarashi 肖佐马冠一北京大学地球物理系 Communication Research Lab

利用日本境内的高空间分辨率的双频GPS台站资料 ,观测研究了发生于 2 0 0 0年 7月中旬太阳强活动期间的一次大尺度电离层行扰 .结果表明 :在 7月 1 5日 1 1 :0 0UT—1 8:0 0UT期间观测区域的电离层中出现了大尺度电离层行扰 .在 1 5 :0 ... 详细信息

利用日本境内的高空间分辨率的双频GPS台站资料 ,观测研究了发生于 2 0 0 0年 7月中旬太阳强活动期间的一次大尺度电离层行扰 .结果表明 :在 7月 1 5日 1 1 :0 0UT—1 8:0 0UT期间观测区域的电离层中出现了大尺度电离层行扰 .在 1 5 :0 0UT之前 ,扰动周期为2h左右 ,在 1 5 :0 0UT以后 ,扰动周期为 1h左右 ;总电子含量扰动幅度的变化范围约为 1—2TECU ;通过对 1 5 :0 0— 1 7:0 0UT之间总电子含量扰动曲线同相位点的分析 ,发现这期间的电离层行扰的扰动速度约为 60 0— 70 0m/s,扰动波长在 2 2 0 0km左右 ,扰动传播的方向几乎沿着经线从高纬向低纬传播 .该行扰与此次强太阳活动有直接的关系 ,因其发生在 7月 1 5日的磁暴急始之前数小时 ,因此与磁暴本身没有因果关系 ,应与磁暴之前先期到达地球空间的高能质子流有关 .

关键词： GPS 总电子含量大尺度电离层行扰磁暴星下点全球定位系统

Deciphering the Origin and Formation of Aminopyrrole Moiety in Kosinostatin Biosynthesis

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Chinese Journal of Chemistry 2021年第12期39卷 3329-3333页

作者： Yu Hu Qiang Zhou Zhuan Zhang Hai-Xue Pan Yulia Ilina Mikko Metsa-Ketela Yasuhiro igarashi Gong-Li Tang State Key Laboratory of Bio-organic and Natural Products Chemistry Center for Excellence in Molecular SynthesisShanghai Institute of Organic ChemistryUniversity of Chinese Academy of Sciences(CAS)CASShanghai 200032China The Research Center of Chiral Drugs Innovation Research Institute of Traditional Chinese MedicineShanghai University of Traditional Chinese MedicineShanghai 201203China School of Chemistry and Materials Science Hangzhou Institute for Advanced StudyUniversity of Chinese Academy of Sciences1 Sub-lane XiangshanHangzhouZhejiang 310024China Department of Biochemistry University of TurkuVatselankatu 2FIN-20014Finland Biotechnology Research Center Toyama Prefectural University 5180 KurokawaImizuToyama 939-0398Japan

Kosinostatin(KST)contains an uncommon aminopyrrole moiety,whose biosynthesis has remained ***,aminopyrrolinic acid,which was generated by an L-ectoine synthase-like enzyme KstB3 via cyclization of L-glutamine,was identified to be the real substrate of adenylation enzyme ***,a FAD-dependent dehydrogenase KstB4 along with a transglutaminase-like enzyme KstB6 were also involved in formation of *** results provided an unusual pathway for 2-aminopyrrole formation in KST biosynthesis.

关键词： Biosynthesis Aminopyrrole Kosihbstatin Cyclization Hydrolysis