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Efficacy of transvaginal ultrasound-guided local injections of absolute ethanol for ectopic pregnancies with intrauterine implantation sites

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World Journal of Clinical Cases 2023年第4期11卷 788-796页

作者： Toshiyuki Kakinuma Kaoru Kakinuma yoshio Matsuda Kaoru Yanagida Michitaka Ohwada HirotsuneKaijima Department of Obstetrics and Gynecology International University of Health and Welfare HospitalNasushiobara 329-2763Japan Minatomirai Yume Clinic Yokohama 2200012Japan

BACKGROUND Cervical pregnancies,interstitial tubal pregnancies,and cesarean scar pregnancies,which are ectopic pregnancies with intrauterine implantation sites exhibit increasing trends with the recent widespread use of assisted reproductive technologies and increased rate of cesarean *** development of highsensitivity human chorionic gonadotropin testing reagents and the increased precision of transvaginal ultrasonic tomography have made early diagnosis possible and have enabled *** of ectopic pregnancies using methotrexate therapy and/or uterine artery embolization has been ***,delayed resumption of infertility treatments after methotrexate therapy is indicated,and negative effects on the next pregnancy after uterine artery embolization have been *** To examine the efficacy and safety of ultrasound-guided topical absolute ethanol injection in ectopic pregnancies with an intrauterine implantation *** In this study,we retrospectively examined the medical records of 21 patients who were diagnosed with an ectopic pregnancy with an intrauterine implantation site at our hospital,between April 2010 and December 2018,and underwent transvaginal ultrasound-guided local injections of absolute ethanol to determine the treatment *** evaluated the treatment methods,treatment outcomes,presence of bleeding requiring hemostasis measures and blood transfusion,complications,and treatment *** treatment was defined as the completion of treatment using transvaginal ultrasound-guided local injections of absolute ethanol *** There were 21 total cases comprising 10 cervical pregnancies,10 interstitial tubal pregnancies,and 1 cesarean scar *** patients completed treatment with this *** massive hemorrhaging or serious adverse reactions were observed during *** mean gestation ages at the time of diagnosis were 5.9 wk(SD,±0.9 wk)for cervical and 6.9 wk(SD,±2.1 wk)for interstitial

关键词： Embryo transfer Fertility Fertilization in vitro Pregnancy complications Prenatal care Ectopic pregnancy

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Three-dimensional Simulation and Pattern Making of Collar Using Geometric Model

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Journal of Donghua University(English Edition) 2001年第3期18卷 53-57页

作者：张明杰侯东昱周爱英 yoshio Shimizu Faculty of Textile Science and Technology Shinshu University Ueda Nagano 386-8567 Japan Department of Apparel Hebei Science and Technology University 050016 College of Fashion Dong Hua University Shanghai 200051

An algorithm is presented for computationally simulating collars and drafting patterns. The collar shape was modeled by three-dimensional Bezier patch. Changing the position of consol points of the patch can interactively control the collar shape. Using triangular surface developing method, patterns of various styles of stand collar and separating collar were drafted. As the subsystem of 3D apparel design system, an interactive collar design system is constructed. To inspect the practical usage, we reproduced the collars using these patterns drafted by the interactive collar design *** with simulated collars, the system demonstrated well and we found it is more reliable and accurate than the method of handwork.

关键词： collar, pattern making, clothing model, 3D apparel design.

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Recent Progress on Fabrications and Applications of Boron Nitride Nanomaterials:A Review

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Journal of Materials Science & Technology 2015年第6期31卷 589-598页

作者： Xiang-Fen Jiang Qunhong Weng Xue-Bin Wang Xia Li Jun Zhang Dmitri Golberg yoshio Bando World Premier International Center for Materials Nanoarchitectonics(WPI-MANA) National Institute for Materials Science(NIMS)Namiki 1-1TsukubaIbaraki 3050044Japan International Center for Young Scientists(ICYS) NIMSNamiki 1-1TsukubaIbaraki 3050044Japan College of Engineering and Applied Sciences Nanjing University School of Materials Science and Engineering Hebei University of Technology

Boron nitride(BN) nanostructures with complementary functions to their carbon counterparts are one of the most intriguing *** we devote a compact review on the syntheses of BN nanomaterials:typical zero-dimensional(OD) fullerenes and nanoparticles,one-dimensional(1D) nanotubes and nanoribbons,two-dimensional(2D) nanosheets as well as three-dimensional(3D) nanoporous *** low-dimensional quantum confinement and surface effects with unique physical and chemical properties of BN,*** electric insulation,wide band gap,and high chemical and thermal stability,BN nanomaterials have drawn particular attention in a variety of potential applications,***,functional composites,hydrogen accumulators,and advanced insulators,which are also reviewed.

关键词： Boron nitride Nanoparticle Nanotube Nanosheet Poro

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Characteristics of nanoparticles emitted from burning of biomass fuels

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Journal of Environmental Sciences 2014年第9期26卷 1913-1920页

作者： Mitsuhiko Hata Jiraporn Chomanee Thunyapat Thongyen Linfa Bao Surajit Tekasakul Perapong Tekasakul yoshio Otani Masami Furuuchi College of Science and Engineering Kanazawa UniversityKakuma-machiKanazawaIshikawa 920-1192Japan Department of Chemistry Faculty of SciencePrince of Songkla UniversityHat YaiSongkhla 90112Thailand Graduate School of Natural Science and Technology Kanazawa UniversityKakuma-machiKanazawaIshikawa 920-1192Japan Energy Technology Research Center and Department of Mechanical EngineeringFaculty of EngineeringPrince of Songkla UniversityHat YaiSongkhla 90112Thailand National Center of Excellence for Environmental and Hazardous Waste Management (EHWM) Southern Consortium Universities at Prince ofSongkla UniversityHat YaiSongkhla 90112Thailand

The characteristics of the particles of the smoke that is emitted from the burning ofbiomass fuels were experimentally investigated using a laboratory-scale tube furnace and different types of biomass fuels： rubber wood, whole wood pellets and rice husks. Emitted amounts of particles, particle-bound polycyclic aromatic hydrocarbons （PAHs） and water-soluble organic carbon （WSOC） are discussed relative to the size of the emitted particles, ranging to as small as nano-size （〈70 nm）, and to the rate of heating rate during combustion, differential thermal analysis （DTA） and thermogravimetric analysis （TG） techniques were used to examine the effect of heating rate and biomass type on combustion behaviors relative to the characteristics of particle emissions. In the present study, more than 30% of the smoke particles from the burning ofbiomass fuel had a mass that fell within a range of 〈 100 nm. Particles smaller than 0.43 μm contributed greatly to the total levels of toxic PAHs and WSOC. The properties of these particles were influenced by the fuel component, the combustion conditions, and the particle size. Although TC--DTA results indicated that the heating rate in a range of 10-20℃did not show a significant effect on the combustion properties, there was a slight increase in the decomposition temperature as heating rate was increased. The nano-size particles had the smallest fraction of particle mass and particle-bound PAHs, but nonetheless these particles registered the largest fraction of particle-bound WSOC.

关键词： Wood biomassNano-particlesPolycyclic aromatic hydrocarbonsWater-soluble organic carbon

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Spark plasma sintering of damage tolerant and machinable YAM ceramics

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Journal of Advanced Ceramics 2013年第2期2卷 193-200页

作者： Qian WANG Salvatore GRASSO Chunfeng HU Haibin ZHANG Shu CAI yoshio SAKKA Qing HUANG Ningbo Institute of Materials Technology and Engineering(NIMTE) Chinese Academy of Sciences(CAS)Ningbo 315201China Key Laboratory for Advanced Ceramics and Machining Technology of Ministry of Education Tianjin UniversityTianjin 300072China School of Engineering&Materials Science and Nanoforce Technology Ltd. Queen Mary University of LondonMile End RoadLondon E14NSUK China Academy of Engineering Physics Mianyang 621900China National Institute for Materials Science(NIMS) TsukubaIbaraki 305-0047Japan

Single-phase Y_(4)Al_(2)O_(9)(YAM)powders were synthesized via solid-state reaction starting from nano-sized Al_(2)O_(3) and Y_(2)O_(3).Fully dense(99.5%)bulk YAM ceramics were consolidated by spark plasma sintering(SPS)at 1800℃.We demonstrated the excellent damage tolerance and good machinability of YAM *** properties are attributed to the easy slipping along the weakly bonded crystallographic planes,resulting in multiple energy dissipation mechanisms such as transgranular fracture,shear slipping and localized grain crushing.

关键词： ceramic synthesis microstructure property damage tolerance

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Correlation of Critical Loci for Water-Hydrocarbon Binary Systems by EOS Based on the Multi-Fluid Nonrandom Lattice Theory

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Chinese Journal of Chemical Engineering 2002年第6期10卷 661-665页

作者： Hun Yong SHIN Hwayong KIMb Ki-Pung YOO Chul-Soo LEEd yoshio IWAI Yasuhiko ARAI Department of Chemical Engineering Seoul National University of TechnologySchool of Chemical EngineeringSeoul National UniversityDepartment of Chemical EngineeringSogang UniversityDepartment of Chemical EngineeringKorea UniversityDepartment of Chemical EngineeringKyushu UniversityDepartment of Chemical EngineeringKyushu University Seoul139-743KoreaSeoul151-742KoreaSeoul121-742KoreaSeoul136-701KoreaFukuoka812-8581JapanFukuoka812-8581Japan

Quantitative representation of complicated behavior of fluid mixtures in the critical region by any of equation-of-state theories re-mains as a difficult thermodynamic topics to date. In the present work, a computational efforts were made for representing various types of critical loci of binary water with hydrocarbon systems showing Type II and Type III phase behavior by an elementary equation of state [called multi-fluid nonrandom lattice fluid EOS (MF-NLF EOS)] based on the lattice statistical mechanical theory. The model EOS requires two mo-lecular parameters which representing molecular size and interaction energy for a pure component and single adjustable interaction energy pa-rameter for binary mixtures. Critical temperature and pressure data were used to obtain molecular size parameter and vapor pressure data were used to obtain interaction energy parameter. The MF-NLF EOS model adapted in the present study correlated quantitatively well the critical loci of various binary water with hydrocarbon systems.

关键词： critical locus water hydrocarbon lattice theory multi-fluid theory*

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Nanotubes in a Gradient Electric Field as Revealed by STM TEM Technique

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Nano Research 2008年第2期1卷 166-175页

作者： Dmitri Golberg Pedro M.F.J.Costa Masanori Mitome yoshio Bando Nanoscale Materials Center Namiki 1-1TsukubaIbaraki 305-0044Japan International Center for Materials Nanoarchitectonics(MANA) National Institute for Materials ScienceNamiki 1-1TsukubaIbaraki 305-0044Japan Center for Research in Ceramics and Composite Materials University of Aveiro3810-193 AveiroPortugal

We have investigated the behavior of two nanotube systems,carbon and boron nitride,under controlled applied voltages in a high-resolution transmission electron microscope(TEM)equipped with a scanning tunneling microscope(STM)*** nanotubes(or thin bundles)were positioned between a piezo-movable gold electrode and a biased(up to±140 V)STM tip inside the pole-piece of the *** structures studied include double-and multi-walled carbon nanotubes(the latter having diverse morphologies due to the various synthetic procedures utilized),few-layered boron nitride nanotube bundles and multi-walled boron nitride nanotubes(with or without functionalized surfaces).The electrical breakdown,physical failure,and electrostatic interactions are documented for each system.

关键词： Carbon nanotubes boron nitride nanotubes transmission electron microscope scanning tunneling microscope

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Ultrasound-guided local ethanol injection for fertility-preserving cervical pregnancy accompanied by fetal heartbeat: Two case reports

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World Journal of Clinical Cases 2022年第11期10卷 3587-3592页

作者： Toshiyuki Kakinuma Kaoru Kakinuma yoshio Matsuda Michitaka Ohwada Kaoru Yanagida Hirotsune Kaijima Department of Obstetrics and Gynecology International University of Health and Welfare HospitalNasushiobara 329-2763Japan Minatomirai Yume Clinic Yokohama 220-0012Japan

BACKGROUND The incidence of cervical pregnancy is increasing due to the recent widespread application of assisted reproductive *** hysterectomy has been a treatment option,high-sensitivity human chorionic gonadotropin testing and improved accuracy of transvaginal ultrasound imaging have increased possibility of uterine *** and curettage with methotrexate therapy and uterine artery embolization have been reported as treatments with fertility preservation;however,certain disadvantages limit their *** SUMMARY In our two reported cases,we avoided massive bleeding and immediately resumed infertility treatment using ultrasound-guided local ethanol injection for cervical pregnancies with fetal *** This treatment may be a new fertility-preserving option for cervical pregnancy.

关键词： Ultrasonography Ethanol Infertility Fertility preservation Methotrexate Case report

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Endoscopic submucosal dissection as excisional biopsy for anorectal malignant melanoma:A case report

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World Journal of Clinical Cases 2019年第13期7卷 1652-1659页

作者： Shigeo Manabe yoshio Boku Michiyo Takeda Fumitaka Usui Ikuhiro Hirata Shuji Takahashi Department of Gastroenterology Kouseikai Takeda Hospital Kyoto 600-8558 Japan Fujita Clinic 67 Gokiya-cho Oomiya-dori Shichijo-kudaru Shimogyo-ku Kyoto 600-8267 Japan

BACKGROUND Anorectal malignant melanoma(AMM)is a rare disorder with an extremely poor *** there is currently no consensus on the treatment methods for AMM,surgical procedures have been the most common treatment methods used until *** recently encountered a case of AMM that we diagnosed using endoscopic submucosal dissection(ESD).To our knowledge,this is the first case of ESD for AMM,suggesting that ESD can potentially be a diagnostic and treatment method for *** S UMA/MARY A 77-year-old woman visited our hospital with a chief complaint of anal bleeding and a palpable rectal *** revealed a 20-mm protruded lesion in the lower *** obtaining biopsy specimens from the lesion,although a malignant rectal tumor was suspected,a definitive diagnosis was not *** ultrasonography revealed tumor invasion into the submucosal layer but not the muscular ***,we performed an excisional biopsy using *** examination of the ESD-resected specimen revealed tumor cells positive for Human Melanin Black-45,Melan-A,and ***,the tumor cells lacked melanin pigment;thus,a diagnosis of amelanotic AMM was *** the AMM had massively invaded the submucosal layer and both lymphatic and venous invasion were present,we closely monitored the patient without any additional therapy on the basis of her *** months after ESD,local recurrence was detected,and the patient consented to wide local *** USION It is suggested that ESD is a potential diagnostic and treatment method for AMM.

关键词： Endoscopic submucosal dissection Anorectal malignant melanoma Endoscopic mucosal resection Case report

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Fabrication of Silver Nanowire Transparent Electrodes at Room Temperature

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Nano Research 2011年第12期4卷 1215-1222页

作者： Takehiro Tokuno Masaya Nogi Makoto Karakawa Jinting Jiu Thi Thi Nge yoshio Aso Katsuaki Suganuma The Institute of Scientific and Industrial Research （ISIR） Osaka University 8-1 Mihogaoka Ibaraki Osaka 567-0047 Japan

Silver nanowires （AgNWs） surrounded by insulating poly（vinylpyrrolidone） have been synthesized by a polyol process and employed as transparent electrodes. The AgNW transparent electrodes can be fabricated by heattreatment at about 200 ℃ which forms connecting junctions between AgNWs. Such a heating process is, however, one of the drawbacks of the fabrication of AgNW electrodes on heat-sensitive substrates. Here it has been demonstrated that the electrical conductivity of AgNW electrodes can be improved by mechanical pressing at 25 MPa for 5 s at room temperature. This simple process results in a low sheet resistance of 8.6 Ω/square and a transparency of 80.0%, equivalent to the properties of the AgNW electrodes heated at 200 ℃. This technique makes it possible to fabricate AgNW transparent electrodes on heat-sensitive substrates. The AgNW electrodes on poly（ethylene terephthalate） films exhibited high stability of their electrical conductivities against the repeated bending test. In addition, the surface roughness of the pressed AgNW electrodes is one-third of that of the heat-treated electrode because the AgNW junctions are mechanically compressed. As a result, an organic solar cell fabricated on the pressed AgNW electrodes exhibited a power conversion as much as those fabricated on indium tin oxide electrodes. These findings enable continuous roll-to-roll processing at room temperature, resulting in relatively simple, inexpensive, and scalable processing that is suitable for forthcoming technologies such as organic solar cells, flexible displays, and touch screens.

关键词： Silver nanowire transparent electrode room temperature flexibility organic solar cell

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