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Nitrogen removal efficiencies and microbial communities in full-scale IFAS and MBBR municipal wastewater treatment plants at high COD:N ratio

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Frontiers of Environmental Science & Engineering 2020年第6期14卷 251-263页

作者： Supaporn Phanwilai Naluporn Kangwannarakul Pongsak(Lek)Noophan Tamao Kasahara akihiko terada Junko Munakata-Marr Linda Ann Figueroa Department of Environmental Enginering Faculty of EngneringKasetsart UnivrsityBangkok 10900Thailand Laboratory of Ecohydrology Division of Forest SciencesDepartment of Agro-enironmental SciencesKyushu UniversityFukuoka 819-0395Japan Deparment of Chemicl Enineing and Instite of Global Imovain Rescarch Tokyo University of Agrcature&TechnoloTokyo 184-8588Japan Depatmtent of Civil and Enivonmenal Enincrn Colordo School of Mines Goldeco 80401USA

The relative locations of AOB,NOB,and DNB were examined for three different kinds of carriers in two types of hybrid bioflm process configurations:integrated fixed-film activated sludge(IFAS)and moving bed bioflm reactor(MBBR)*** water resource recovery facilities(WRRFs)used Anodkainess^TM K1 carriers(KC)at Broomfield,Colorado,USA and polypropylene resin crriers(R)at Fukuok,Japa,whic MBBR WRFS used KC crier at South Adams Couty,Colorado,USA and sponge carriers(SC)at Saga,*** COD to N ratios ranged from 8:1 to 15:*** COD and BOD removal efficiencies were high(96%-98%);NH^+4-N and TN removal efficiencies were more varied at 72%98%and 64%-77%,*** extent of TN removal was higher at high SRT,high COD:N ratio and low DO concentration in the anoxic *** IFAS,RC with high specific surface area.(SSA)maintained higher AOB population than *** carriers with high SSA maintained higher overall bacteria population than KC in MBBR ***,the DNB were not more abundant in high SSA *** diversity of AOB,NOB,and DNB was fairly similar in different *** *** over Nitrosospira *** denitrifying bacteria included Rhodobacter sp.,Sulfuritalea sp.,.Rubrivivax sp:Paracoccus sp..and Pseudomonas *** results from this work suggest that high SRT,***:N ratio,low DO concentration in anoxic tanks,and carriers with greater surface area may be recommended for high COD,BOD and TN removal in WRRFs with IFAS and MBBR systerms.

关键词： IFAS MBBR Anokaness^TM K1 carrier Polypropylene resin carrier Sponge carrier

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Diffuse large B cell lymphoma originating from the maxillary sinus with skin metastases:A case report and review of literature

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World Journal of Clinical Cases 2021年第23期9卷 6886-6899页

作者： Daisuke Usuda Toshihide Izumida Nao terada Ryusho Sangen Toshihiro Higashikawa Sayumi Sekiguchi Risa Tanaka Makoto Suzuki Yuta Hotchi Shintaro Shimozawa Shungo Tokunaga Ippei Osugi Risa Katou Sakurako Ito Suguru Asako Yoshie Takagi Kentaro Mishima akihiko Kondo Keiko Mizuno Hiroki Takami Takayuki Komatsu Jiro Oba Tomohisa Nomura Manabu Sugita Yuji Kasamaki Department of General Medicine Kanazawa Medical University Himi Municipal HospitalHimi-shi 935-8531Toyama-kenJapan Department of Emergency and Critical Care Medicine Juntendo University Nerima HospitalNerima-ku 177-0035Tokyo-toJapan Kanazawa Medical University Himi Municipal Hospital Himi-shi 935-8531Toyama-kenJapan

BACKGROUND Diffuse large B-cell lymphoma(DLBCL)is the most common type of malignant lymphoma(ML),accounting for 30%-40%of cases of non-Hodgkin’s lymphoma(NHL)in *** paranasal sinus lymphoma is a rare presentation of extranodal NHL that accounts for only 0.17%of all *** from the maxillary sinus(MS)is a particularly rare presentation,and is thus often difficult to *** have reported the first known case of DLBCL originating from the MS with rapidly occurrent multiple skin *** SUMMARY An 81-year-old Japanese man visited our hospital due to continuous pain for 12 d in the left maxillary nerve *** medical history included splenectomy due to a traffic injury,an old right cerebral infarction from when he was 74-years-old,hypertension,and type 2 diabetes mellitus.A plain head computed tomography(CT)scan revealed a 3 cm×3.1 cm×3 cm sized left *** day 25,left diplopia and ptosis occurred,and a follow-up CT on day 31 revealed the growth of the left MS *** on an MS biopsy on day 50,we established a definitive diagnosis of DLBCL,non-germinal center B-cell-like originating from the left *** patient was admitted on day 62 due to rapid deterioration of his condition,and a plain CT scan revealed the further growth of the left MS mass,as well as multiple systemic metastasis,including of the skin.A skin biopsy on day 70 was found to be the same as that of the left MS *** notified the patient and his family of the disease,and they opted for palliative care,considering on his condition and *** patient died on day *** This case suggests the need for careful,detailed examination,and for careful follow-up,when encountering patients presenting with a mass.

关键词： Diffuse large B cell lymphoma Non-germinal center B-cell-like lymphoma Malignant lymphoma Maxillary sinus Skin metastasis Case report

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