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Determination of the Biosorption of Cd（ II ） by Coconut Fiber

Journal of Agricultural Science and Technology(B) 2014年第4期4卷 291-298页

作者： Dany G. Kramer Brismark G. Rocha Mirian C. S. Pereira Renata S. D. Souza Carlos R. alves Geraldo B. C. Junior Jose Heriberto O. Nascimento Margarida J. Quina Licinio G. Ferreira Rasiah Ladchumananandasivam Technology Center Mechanical Engineering Federal University of Rio Grande do Norte Natal 59.072-970 RN Brazil Centre of Chemical Processes Engineering and Forest Products (CIEPQPF) University of Coimbra Coimbra 3030- 790 Portugal Faculdade de CiOncias da Safide do Trairi Federal University of Rio Grande do Norte (UFRN) Santa Cruz 59000-200 RNBrazil Laboratory of Cellular Ultra Structure Oswaldo Cruz Institute Fundation (FIOCR UZ) Rio de Janeiro 21040-360 R J Brazil Department of Clinical Analysis Federal University of Rio Grande do Norte Natal 59.072-970 RN Brazil Department of Textile Engineering Federal University of Rio Grande do Norte Natal 59.072-970 RN Brazil

The coconut fiber is produced in large quantities in Brazil, even though very small quantities are being used by some industries, mainly cordage mats and handicrafts. An alternative usage would be the use of these fibers in biosorption of heavy metals from aqueous solutions. This present study aimed to evaluate the potentiality of cadmium biosorption by coconut fiber. The coconut fibers were used at kinetic analysis, influence ofpH and adsorption isotherms were also carried out. It can be concluded that there is great potential for the use of coconut fiber, and the optimum pH for adsorption was around 5.0. The adsorption kinetics is fast and equilibrium occurs within 120 min. The Langmuir isotherm was considered the most suitable to describe the experimental data.

关键词： Coconut fiber biosorption cadmium.

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Preemptive endoluminal vacuum therapy after pancreaticoduodenectomy: A case report

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World Journal of Gastrointestinal Endoscopy 2020年第11期12卷 493-499页

作者： Flaubert Sena de Medeiros Epifanio Silvino do Monte Junior Romero de Lima França Heli Clóvis de Medeiros Neto Juliany Medeiros Santos Eligio alves Almeida Júnior Samuel Oliveira da Silva Júnior Mario Herman Santos Moura Pedreira Tavares Eduardo Guimarães Hourneaux de Moura Department of Surgery Federal University of Rio Grande do NorteNatal 59012-300Rio Grande do NorteBrazil Gastrointestinal Endoscopy Unit Hospital das Clínicas da Faculdade de Medicina da Universidade de São PauloSão Paulo 05403-000Brazil Department of Surgery Hospital do CoraçãoNatal 59075-050Rio Grande do NorteBrazil Gastrointestinal Endoscopy Unit Faculty of Medicine of ABCSão Paulo 09190-615Brazil Department of Surgery Instituto Juarez AlmeidaBacabal 65700-000MaranhãoBrazil Department of Surgery Hospital Naval Marcílio DiasRio de Janeiro 20725-090Rio de JaneiroBrazil

BACKGROUND Pancreaticoduodenectomy is a technically demanding operation,with reported morbidity rates of approximately 40%-50%.A novel idea is to use endoscopic vacuum therapy(EVT)in a preemptive setting to prevent anastomotic leakage and pancreatic *** a recent case series,EVT was proven to be effective in preventing leaks in patients with anastomotic *** have been no previous reports on preemptive EVT after *** SUMMARY We describe the case of a 71-year-old woman with hypertension and diabetes who was admitted to the emergency room with jaundice,choluria,fecal acholia,abdominal pain,and *** examinations revealed leukocytosis and hyperbilirubinemia(total:13 mg/dL;conjugated:12.1 mg/dL).Abdominal ultrasound showed cholelithiasis and dilation of the common bile *** resonance imaging demonstrated a stenotic area,and a biopsy confirmed cholangiocarcinoma. Considering the high risk of leaks after pancreaticoduodenectomy,preemptive endoluminal vacuum therapy was *** system comprised a nasogastric tube,gauze,and an antimicrobial incise *** negative pressure was 125 mmHg,and no adverse events *** patient was discharged on postoperative day 5 without any *** Preemptive endoluminal vacuum therapy may be a safe and feasible technique to reduce leaks after pancreaticoduodenectomy.

关键词： Preemptive Endoluminal Vacuum Pancreaticoduodenectomy Case report

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Performance Evaluation of a Markovian Policy for Macro/Femto User Allocation Considering Aspects of QoS, QoE and Energy Efficiency

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通讯和计算机（中英文版） 2014年第5期11卷 460-468页

作者： Igor da Penha natal Jorge Amaro de Sarges Cardoso Marcelino Silva da Silva Jose Jailton Henrique FerreiraJunior Adamo Lima de Santana Diego Lisboa Cardoso Carlos Renato Lisboa Frances Laboratory of High Performance Networks Planning-LPRAD Federal University of Para-UFPA Belem PA 66075-110 Brazil

The advancement of wireless networks offers mobile users a diversity connectivity options, but the choice of the best connection should consider classics QoS aspects and, with increasing multimedia applications, should also consider QoE metrics. Another important parameter to choose the best connection is the energy efficiency by reducing the battery consumption of the devices and reducing CO2 emissions (green network). This paper validates a Markovian policy for distribution of user load balancing in femtocell/macrocell networks considering QoS/QoE and energy consumption providing quality for multimedia applications. The results obtained by simulation proved the benefits.

关键词：服务质量用户分配马尔可夫绩效评估二氧化碳排放量多媒体应用飞秒微距

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An Earth-mass planet in a time of COVID-19:KMT-2020-BLG-0414Lb

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Research in Astronomy and Astrophysics 2021年第9期21卷 243-261页

作者： Weicheng Zang Cheongho Han Iona Kondo Jennifer C.Yee Chung-Uk Lee Andrew Gould Shude Mao Leandro de Almeida Yossi Shvartzvald Xiangyu Zhang Michael D.Albrow Sun-Ju Chung Kyu-Ha Hwang Youn Kil Jung Yoon-Hyun Ryu In-Gu Shin Sang-Mok Cha Dong-Jin Kim Hyoun-Woo Kim Seung-Lee Kim Dong-Joo Lee Yongseok Lee Byeong-gon Park Richard W.Pogge John Drummond Thiam-Guan Tan JoséDias do Nascimento Júnior Dan Maoz Matthew T.Penny Wei Zhu Ian A.Bond Fumio Abe Richard Barry David P.Bennett Aparna Bhattacharya Martin Donachie Hirosane Fujii Akihiko Fukui Yuki Hirao Yoshitaka Itow Rintaro Kirikawa Naoki Koshimoto Man Cheung Alex Li Yutaka Matsubara Yasushi Muraki Shota Miyazaki Greg Olmschenk Clément Ranc Nicholas J.Rattenbury Yuki Satoh Hikaru Shoji Stela Ishitani Silva Takahiro Sumi Daisuke Suzuki Yuzuru Tanaka Paul J.Tristram Tsubasa Yamawaki Atsunori Yonehara Andreea Petric Todd Burdullis Pascal Fouqué Department of Astronomy Tsinghua UniversityBeijing 100084China Department of Physics Chungbuk National UniversityCheongju 28644Republic of Korea Department of Earth and Space Science Graduate School of ScienceOsaka UniversityToyonakaOsaka 560-0043Japan Center for Astrophysics j Harvard&Smithsonian 60 Garden St.CambridgeMA 02138USA Korea Astronomy and Space Science Institute Daejon 34055Republic of Korea University of Science and Technology Korea(UST)217 Gajeong-ro Yuseong-guDaejeon 34113Republic of Korea Max-Planck-Institute for Astronomy Königstuhl 1769117 HeidelbergGermany Department of Astronomy Ohio State University140 W.18th Ave.ColumbusOH 43210USA National Astronomical Observatories Chinese Academy of SciencesBeijing 100101China Universidade Federal do Rio Grande do Norte(UFRN) Departamento de F´1sica59078-970NatalRNBrazil Department of Particle Physics and Astrophysics Weizmann Institute of ScienceRehovot 76100Israel University of Canterbury Department of Physics and AstronomyPrivate Bag 4800Christchurch 8020New Zealand School of Space Research Kyung Hee UniversityYonginKyeonggi 17104Republic of Korea Possum Observatory PatutahiGisbourneNew Zealand Perth Exoplanet Survey Telescope PerthAustralia School of Physics and Astronomy Tel-Aviv UniversityTel-Aviv 6997801Israel Department of Physics and Astronomy Louisiana State UniversityBaton RougeLA 70803 USA Canadian Institute for Theoretical Astrophysics University of Toronto60 St George StreetTorontoON M5S 3H8Canada Institute of Natural and Mathematical Sciences Massey UniversityAuckland 0745New Zealand Institute for Space-Earth Environmental Research Nagoya UniversityNagoya 464-8601Japan Code 667 NASA Goddard Space Flight CenterGreenbeltMD 20771USA Department of Astronomy University of MarylandCollege ParkMD 20742USA Department of Physics University of AucklandPrivate Bag 92019AucklandNew Zealand Department of Earth and Planetary Science Graduate School of ScienceThe University of Tokyo7-3-1 Hongo

We report the discovery of KMT-2020-BLG-0414 Lb,with a planet-to-host mass ratio q2=0.9-1.2×10-5=3-4 q⊕at 1σ,which is the lowest mass-ratio microlensing planet to *** with two other recent discoveries(4?q/q⊕?6),it fills out the previous empty sector at the bottom of the triangular(log s,log q)diagram,where s is the planet-host separation in units of the angular Einstein radiusθ***,these discoveries call into question the existence,or at least the strength,of the break in the mass-ratio function that was previously suggested to account for the paucity of very low-q *** to the extreme magnification of the event,Amax~1450 for the underlying single-lens event,its light curve revealed a second companion with q3~0.05 and|log s3|~1,i.e.,a factor~10 closer to or farther from the host in *** measurements of the microlens parallaxπE and the angular Einstein radiusθE allow estimates of the host,planet and second companion masses,(M1,M2,M3)~(0.3 M⊙,1.0 M⊕,17 MJ),the planet and second companion projected separations,(a⊥,2,a⊥,3)~(1.5,0.15 or 15)au,and system distance DL~1 *** lens could account for most or all of the blended light(I~19.3)and so can be studied immediately with high-resolution photometric and spectroscopic observations that can further clarify the nature of the *** planet was found as part of a new program of high-cadence follow-up observations of high-magnification *** detection of this planet,despite the considerable difficulties imposed by COVID-19(two KMT sites and OGLE were shut down),illustrates the potential utility of this program.

关键词： gravitational lensing:micro

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用于估算总生物量和雪莲果块根产量的粮农组织-AquaCrop模型的校准和验证

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农业工程技术 2020年第30期 91-91页

作者： Ramon Amaro de Sales Alexandre Candido Xavier Evandro Chaves de Oliveira Fábio Luiz de Oliveira Diego Mathias natal da Silva Sávio da Silva Berilli Departament of Plant Science Federal University of Vi?osa

由于目前世界缺水,通过促进农业生产和可持续性,改善农业生产中这种天然和可耗尽资源的利用极为重要。开发了几种作物生长模型,以预测影响作物产量的二磷气候效应。这些模型使用现场实验生成的数据对给定区域进行校准和验证。因此,该研... 详细信息

由于目前世界缺水,通过促进农业生产和可持续性,改善农业生产中这种天然和可耗尽资源的利用极为重要。开发了几种作物生长模型,以预测影响作物产量的二磷气候效应。这些模型使用现场实验生成的数据对给定区域进行校准和验证。因此,该研究的目的是校准和验证粮农组织AquaCrop模型对热带气候条件下的雪莲果(Smallanthus sonchifolius)作物的效用。实验于2013年及2014年在巴西Espírito Santo州Ibatiba市的试验区进行的。校准的是秋季植物,验证的是冬季和春季植物。在统计分析中,采用测定系数、Willmott一致性指数、系统误差偏差、均方根差以及平均绝对误差来测试模型性能。一般来说,粮农组织AquaCrop模型以可接受的精度预测了块根产量、总生物量和收获指数,总生物量和块根生物量的偏差小于6%。雪莲果种植的晚了,产量和总生物量都会减少。

关键词： Smallanthus sonchifolius 块根产量模拟建模农业气象学

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