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Large Area and High Speed Deposition of Microcrystalline Silicon Film by Plasma Enhanced Chemical Vapor Deposition (PECVD)

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作者： Masato Takahashi Hiroshi Murakami kiyoshi ogata Nissin Electric Co. LTD

Recently, in the field of the car and the machine, the improvement of the friction and wear characteristic in the machine parts has come to be hoped in order to make the long-lived and efficient parts. The fine ceramics and the DLC film are excellent thin film materials in sliding characteristic and abnision resistant. There are various methods as technologies that coat the thin film to the surface of the material. As one of them, the vacuum cathodic arc process produces the high deposition rate, the low temperature processing, and the high adhesion film formation.

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Large Area and High Speed Deposition of Microcrystalline Sil...

X-Ray Photoelectron Spectroscopy and Raman Spectroscopy Studies on Thin Carbon Nitride Films Deposited by Reactive RF Magnetron Sputtering

TFC'05全国薄膜技术学术研讨会

作者： Eiji Takahashi Tsukasa Hayashi kiyoshi ogata Nissin Electric Co. Ltd.

The large area liquid crystal display for TV (LCD-TV) has been developed intensively and grew huge market in the last decade. The hydrogenated amorphous silicon (a-Si:H) thin film is widely applied to bottom gate type thin film transistor (BG-TFT) for driving the active matrix LCD. In the recent trend, the mother glass substrates for LCD-TV become more than 2m in size to reduce the production cost. There exist significant issues for uniformity over large area deposition. Otherwise, hydrogenated microcrystalline silicon (μc-Si:H) thin film has superior characteristics compared with a-Si:H film, including a higher carrier mobility and reliability. Indeed, the direct deposition of good quality low temperature μc-Si:H film is highly desirable

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World Journal of Nano Science and Engineering 2012年第2期2卷 92-102页

作者： Masao Matsuoka Sadao Isotani Ronaldo DMansano Wilmer Sucasaire Ricardo ACPinto Juan CRMittani kiyoshi ogata Naoto Kuratani Institute of Physics University of Sao PauloSao PauloBrazil Polytechnical School University of Sao PauloSao PauloBrazil Nissin Electric Company Ltd.KyotoJapan MEMS Development Department Semiconductor DivisionOMRON CorporationShigaJapan

Thin carbon nitride (CNx) films were synthesized on silicon substrates by reactive RF magnetron sputtering of a graphite target in mixed N2/Ar discharges and the N2 gas fraction in the discharge gas, F N, varied from 0.5 to 1.0. The atomic bonding configuration and chemical composition in the CNx films were examined using X-ray photoelectron spectroscopy (XPS) and the degree of structural disorder was studied using Raman spectroscopy. An increase in the nitrogen content in the film from 19 to 26 at% was observed at FN = 0.8 and found to influence the film properties;normality tests suggested that the data obtained at FN = 0.8 are not experimental errors. The interpretation of XPS spectra might not be always straightforward and hence the detailed and quantitative comparison of the XPS data with the information acquired by Raman spectroscopy enabled us to interpret the decomposed peaks in the N 1s and C 1s XPS spectra. Two N 1s XPS peaks at 398.3 and 399.8 eV (peaks N1 and N2, respectively) were assigned to a sum of pyridine-like nitrogen and -C≡N bond, and to a sum of pyrrole-like nitrogen and threefold nitrogen, respectively. Further, the peaks N1 and N2 were found to correlate with C 1s XPS peaks at 288.2 and 286.3 eV, respectively;the peak at 288.2 eV might include a contribution of sp3 carbon.

关键词： Carbon Nitride Magnetron Sputtering X-Ray Photoelectron Raman Scattering

A Bubble Column Dehumidifier using Ionic Liquid Desiccant for Low-Humidity Industries:Insights into Transfer Processes Integrating Experiment and CFD Modelling

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Journal of Thermal Science 2024年第6期33卷 2348-2371页

作者： CAO Bowen YIN Yonggao SAITO kiyoshi School of Energy and Environment Southeast University School of Fundamental Science and Engineering Waseda University Department of Applied Mechanics and Aerospace Engineering Waseda University

Liquid desiccant deep dehumidification（LDDD） is an excellent energy-saving technology for low-humidity *** liquids（ILs） are favored as optimal working fluids for LDDD,owing to their low vapor pressure,non-crystallization,and *** combined application of IL desiccant with the bubble column has been proven to effectively improve deep *** present work focuses specifically on the insights into air-liquid transfer processes in bubble column dehumidifier using ionic liquid *** effect of operating parameters on volumetric transfer coefficient is examined based on the experimental ***,the bubble swarms meso-scale flow structure is predicted using computational fluid dynamics coupled with a population balance model（CFD-PBM）.Besides,the structure-activity relationship between meso-scale flow structure and transfer performance is *** results indicated a notable phenomenon of bubble aggregation/breakage in the moist air-IL desiccant bubbly deep dehumidification（MA-ILD BDD）system,with a specific interfacial area is basically less than 40 ***,a decrease in solution temperature,correlated with a significant increase in viscosity,leads to larger turbulent eddies and a slower breakage ***,a high transfer potential difference enhances heat and mass transfer coefficients at lower solution temperatures,with the mass transfer coefficient at 4℃ being approximately three times that at 10℃.As the superficial velocity changes,the specific interfacial area and heat and mass transfer coefficients have a positive synergistic effect on volumetric transfer ***,this synergistic effect is reversed with variations in solution *** study aims to clarify the air-liquid transfer mechanism in bubble column dehumidifier using IL desiccant.

关键词： bubble column deep dehumidification heat and mass transfer ionic liquid liquid desiccant low-humidity industries

Anti-EGFR antibody monotherapy for colorectal cancer with severe hyperbilirubinemia: A case report

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World Journal of Gastrointestinal Oncology 2024年第2期16卷 557-562页

作者： Toshiaki Tsurui Yuya Hirasawa Yutaro Kubota kiyoshi Yoshimura Takuya Tsunoda Department of Medical Oncology Showa UniversityTokyo 1428555Japan Department of Clinical Immuno Oncology Clinical Research Institute of Clinical Pharmacology and TherapeuticsShowa UniversityTokyo 1578577Japan

BACKGROUND Hyperbilirubinemia with hepatic metastases is a common complication and a poor prognostic factor for colorectal cancer(CRC).Effective drainage is often im-possible before initiating systemic chemotherapy,owing to the liver’s diffuse metastatic ***,an appropriate chemotherapeutic approach for the treatment of hyperbilirubinemia is currently *** SUMMARY The patient,a man in his 50s,presented with progressive fatigue and severe *** tomography revealed multiple hepatic masses with thick-ened walls in the sigmoid colon,which was pathologically confirmed as a well-differentiated *** RAS or BRAF mutations were *** Eastern Cooperative Oncology Group(ECOG)performance status(PS)score was *** drainage was impossible due to the absence of a dilated bile duct,and panitumumab monotherapy was promptly ***,the bilirubin level decreased and then normalized,and the patient’s PS improved to zero ECOG score after four cycles of therapy without significant adverse *** Anti-EGFR antibody monotherapy is a safe and effective treatment for RAS wild-type CRC and hepatic metastases with severe hyperbilirubinemia.

关键词： Colorectal neoplasms Panitumumab Chemotherapy Hyperbilirubinemia Jaundice Case report

Update on the Diagnosis and Treatment of Combined Hepatocellular Cholangiocarcinoma

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Journal of Clinical and Translational Hepatology 2024年第2期12卷 210-217页

作者： Kai-Jian Chu Yoshikuni Kawaguchi Han Wang Xiao-Qing Jiang kiyoshi Hasegawa Biliary Surgical Department No.1 Eastern Hepatobiliary Surgical HospitalThe Naval Medical UniversityShanghaiChina Hepato-Biliary-Pancreatic Surgery Division Department of SurgeryGraduate School of MedicineThe University of TokyoTokyoJapan Department of Pathology Eastern Hepatobiliary Surgical HospitalThe Naval Medical UniversityShanghaiChina

Combined hepatocellular-cholangiocarcinoma(cHCC-CCA)is a unique type of liver tumor that contains both hepatocellular carcinoma and cholangiocarcinoma components within a single *** fifth edition of the World Health Organization classification provides a definition and diagnostic criteria for ***,the heterogeneous histomorphology and presentation resulting from variation of the proportion of each component poses challenges for clinical diagnosis and treatment.A diagnosis of cHCC-CCA may be suggested by the synchronous elevation of serum tumor markers for hepatocellular carcinoma and cholangiocarcinoma,a mixed enhancement pattern on imaging,and a discrepancy between the elevation of tumor marker and the imaging enhancement *** examination using hematoxylin and eosin staining is considered the gold standard for diagnosing cHCC-CCA,and comprehensive examination of resection or biopsy specimens is crucial for an accurate ***,there is no standard treatment for cHCC-CCA,and surgery is the *** hepatectomy with lymphadenectomy is among the recommended surgical *** role of liver transplantation in the management of cHCC-CCA is still *** chemoembolization may be effective for unresectable cHCC-CCA,particularly for hypervascular ***,the available evidence does not support systemic therapy for advanced *** prognosis of cHCC-CCA is generally poor,and there is no established staging *** research is needed to better understand the histogenesis and clinical management of *** review provides an overview of the current literature on cHCC-CCA with a focus on its clinical characteristics,pathological diagnosis,and management.

关键词： Combined hepatocellular-cholangiocarcinoma Clinical characteristics Imaging characteristics Pathological diagnosis Treatment

Heavy metal pollution of river water and eco-friendly remediation using potent microalgal species

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Water Science and Engineering 2024年第1期17卷 41-50页

作者： Amudham Radha Amal Raj Prabhakaran Mylsamy V.Sivasankar B.Sathish Kumar kiyoshi Omine T.G.Sunitha Phycological Research Laboratory Research Department of BotanyPachaiyappa's College(Affiliated to University of Madras)Chennai 600030India Research Department of Chemistry Pachaiyappa's College(Affiliated to University of Madras)Chennai 600030India Department of Botany Sri Vidya Mandir Arts&Science College(Autonomous)KatteriUthangarai 636902India Department of Civil Engineering School of Engineering.Nagasaki UniversityNagasaki-Daigaku1-14 Bunkyo-machiNagasaki 8528521Japan

Pollution of rivers is mainly caused by anthropogenic activities such as discharge of effluent from industrial facilities,maintenance of sewage/effluent treatment plants,and dumping of solid waste on river *** study dealt with the pollution issues of the Cooum River in the well-known city of Chennai in South *** samples from 27 locations were collected and analyzed for 12 elements,including Ba,B,and Al,as well as heavy metals such as Pb,Cr,Mn,Fe,Co,Ni,Cu,Zn,and *** samples showed levels of these elements that exceeded World Health Organization *** correlation analysis revealed the inter-dependency among elements,and the contribution of each element based on factor loadings showed its percentage contribution compared to *** samples from six significant locations were chosen for remediation with three algae:Chlorella vulgaris,Scenedesmus dimorphus,and Phormedium *** uptake of pollutants led to the continuous growth of algae during the incubation period of 15 d,effectively removing heavy metals from the river *** increasing levels of algal counts and the chlorophyll a content confirmed the algal growth during the incubation period,followed by a declining stage after the incubation *** scanning electron microscopic images of algae before and after the remediation showed no remarkable modification of morphological *** study showed that the uptake of heavy metals using algae is an effective water pollution remediation measure,making the process practicable in the field on a large scale in the near future.

关键词： Heavy metal Cooum river Phycoremediation Microalgae Factor analysis

Clues for diagnosing misplaced central venous catheter in the right ascending lumbar vein during right femoral venous access

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World Journal of Clinical Cases 2024年第24期12卷 5473-5475页

作者： Joho Tokumine kiyoshi Moriyama Tomoko Yorozu Department of Anesthesiology Kyorin University School of MedicineMitaka 181-8611TokyoJapan

The right ascending lumbar vein is difficult to detect on anteroposterior abdominalradiographs because it overlaps with the inferior vena cava on *** observation by medical providers may be a cue ***,knowledge of catheter misplacement of the right ascendinglumbar vein is also necessary,because misplacement cannot be suspected withoutthat awareness.

关键词： Central venous catheter Ascending lumbar vein Femoral vein Catheter misplacement Anteroposterior abdominal X-ray

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基于离子液体的深度除湿技术及应用探索

工程热物理学报 2024年第10期45卷 2958-2964页

作者：曹博文殷勇高 Giannetti Niccolo Saito kiyoshi 东南大学能源与环境学院南京210096 低碳型建筑环境设备与系统节能教育部工程研究中心南京210096 早稻田大学基础科学与工程研究生院东京169-0072 早稻田大学早稻田高等研究所东京169-8050 早稻田大学应用力学和航空航天工程系东京169-8555

液体深度除湿是实现低湿度行业低碳转型的一种有效途径。目前,具有深度除湿潜力(极低蒸气压、非结晶和无腐蚀)的离子液体是传统盐溶液的理想替代。本研究搭建了离子液体深度除湿实验平台,并分析了不同运行工况下的除湿性能。结果表明:降... 详细信息

液体深度除湿是实现低湿度行业低碳转型的一种有效途径。目前,具有深度除湿潜力(极低蒸气压、非结晶和无腐蚀)的离子液体是传统盐溶液的理想替代。本研究搭建了离子液体深度除湿实验平台,并分析了不同运行工况下的除湿性能。结果表明:降膜/鼓泡吸收方式均能实现较高的深度除湿效果,最低出风含湿量可降至2.0 g/kg(da)以下。同时,对于进口含湿量为3.3 g/kg(da)的低湿工况,降膜装置的除湿效率仅为40%左右。然而,鼓泡装置的除湿效率可达到81%,有效开发了离子液体的深度除湿潜力。此外,总结了两种吸收方式的先进性与适用性,为离子液体深度除湿技术的应用提供指导。

关键词：深度除湿离子液体除湿性能实验研究