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Non-Kramers doublet ground state in a quaternary cubic compound PrRu_(2)In_(2)Zn_(18) investigated by ultrasonic measurements

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Chinese Physics B 2024年第6期33卷 405-411页

作者：张化远 Kazuhei Wakiya mitsuteru nakamura Masahito Yoshizawa Yoshiki Nakanish Graduate School of Science and Engineering Iwate UniversityMorioka 020-8551Japan

We performed ultrasonic measurements on a quaternary cubic compound PrRu_(2)In_(2)Zn_(18) to explore the ground state properties derived from non-Kramers Γ_(3) doublet of Pr^(3+).PrRu_(2)In_(2)Zn_(18) is a quaternary derivative of the ternary compound PrRu_(2)Zn_(20) that exhibits a structural phase transition at T_S=138 *** PrRu_(2)In_(2)Zn_(18),the Zn atoms at the 16c site in PrRu_(2)Zn_(20) are selectively replaced by In atoms.A monotonic increase was observed in the temperature dependence of elastic constants C_L=(C_(11)+2C_(12)+4C_(44))/3 and C_(T)=(C_(11)-C_(12)+C_(44))/3 in the temperature range around T_(S) to which an elastic softening was observed in(C_(11)-C_(12))/2 for PrRu_(2)Zn_(20).The disappearance of the softening indicates that the structural transition in PrRu_(2)Zn_(20) is suppressed by the substitution of Zn ions by In ones with a larger ionic ***,the C_(T) of PrRu_(2)In_(2)Zn_(18) exhibits a precursor Curie-type elastic softening toward low temperatures being responsible for the non-Kramers Γ_(3) ground *** discuss the ground state and the evolution of the elastic properties of the different single-crystal samples of PrRu_(2)In_(2)Zn_(18) grown under different conditions.

关键词： ultrasonic measurements non-Kramers doublet structural phase transition crystalline electric field effect

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Esophagitis dissecans superficialis and autoimmune bullous dermatoses: A review

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World Journal of Gastrointestinal Endoscopy 2010年第7期2卷 252-256页

作者： Akira Hokama Yu-ichi Yamamoto Kiyohito Taira mitsuteru nakamura Chiharu Kobashigawa Manabu Nakamoto Tetsuo Hirata Nagisa Kinjo Fukunori Kinjo Kenzo Takahashi Jiro Fujita Department of Infectious Respiratory and Digestive MedicineFaculty of Medicine University of the RyukyusOkinawa 903-0125Japan Department of Dermatology Faculty of MedicineUniversity of the RyukyusOkinawa 903-0125Japan Department of Endoscopy University Hospital of the RyukyusOkinawa 903-0125Japan

Esophagitis dissecans superficialis(EDS)is a rare and severe endoscopic finding characterized by sloughing of large fragments of esophageal mucosal *** EDS has been reported in association with serious illnesses and certain medications,the pathophysiological association of autoimmune bullous dermatoses with EDS has gained remarkable *** these dermatoses,pemphigus vulgaris and pemphigoid frequently present with various types of esophageal involvement including *** review the pathophysiology and clinical features of this involvement with the presentation of our *** importance of endoscopic evaluation of this entity is discussed.

关键词： Esophagitis dissecans superficialis Endoscopy Autoimmune bullous dermatoses Pemphigus vulgaris Mucous membrane pemphigoid Bullous pemphigoid Desmoglein

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Hematologic toxic inspection of temozolomide

Hematologic toxic inspection of temozolomide

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中国抗癌协会神经肿瘤专业委员会第八届学术会议

作者： mitsuteru Oikawa Tamio Ito Kenichi Sato Yoshimaru Ozaki Hironori Sugio Hirohiko nakamura Department of Neurosurgery Nakamura Memorial Hospital

＜正＞（Introduction） Although four years has passed after temozolomide started to be sold on the open market, there are a few reports regarding the hematological toxicity of temozolomide in Japan. We have examined f...

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Indication of repeated surgery for recurrent glioblastoma——using of the NIH Recurrent GBM Scale

Indication of repeated surgery for recurrent glioblastoma—...

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中国抗癌协会神经肿瘤专业委员会第八届学术会议

作者： Tamio Ito Yoshimaru Ozaki Ken-ichi Sato mitsuteru Oikawa Hironori Sugio Hirohiko nakamura Department of Neurosurgery Brain Tumor Center Nakamura Memorial Hospital

＜正＞[Purpose] Despite initial treatment with surgical resection, radiotherapy, and chemotherapy, glioblastoma （GBM） inevitably always recurs. The surgical

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Survival benefit from Gamma knife radiosurgery for newly diagnosed malignant glioma patients

Survival benefit from Gamma knife radiosurgery for newly dia...

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中国抗癌协会神经肿瘤专业委员会第八届学术会议

作者： Ken-ichi SATO Tamio ITO Masami TAKANASHI Yoshimaru OZAKI mitsuteru OIKAWA Yoshinori SUGIO Hirohiko nakamura Department of Neurosurgery Brain Tumor CenterGamma Knife CenterNakamura Memorial Hospital

＜正＞Purpose:Ultimately despite this current standard treatment,almost all patients with malignant glioma will have *** knife radiosurgery（GK） is a relative safe and less invasive treatment used as adjuvant therapy...

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