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| 1 | A hydrometallurgical method of energy saving type for separation of rare earth elements from rare earth polishing powder wastes with middle fraction of ceria显示文摘This study described a hydrometallurgical method to investigate the separation of rare earth elements(REEs)from rare earth polishing powder wastes(REPPWs)containing large amounts of rare earth oxides with a major phase of CeO_2 and minor phases of La_2O_3,Pr_2O_3,and Nd_2O_3 using a process devised by the authors.The suggested approach consisted of five processes:the synthesis of NaR E(SO_4)_2·xH_2O from rare earth oxides in Na_2SO_4-H_2SO_4-H_2 O solutions(Process 1),the conversion of NaR E(SO_4)_2·xH_2O into RE(OH)_3 using NaO H(Process 2),and the oxidation of Ce(OH)_3 into Ce(OH)_4 using air with O_2 injection(Process 3),followed by Processes 4 and 5 for separation of REEs by acid leaching using HCl and H_2SO_4,respectively.To confirm the high yield of NaR E(SO_4)_2·xH_2O in Process 1,experiments were carried out under various Na_2SO_4 concentrations(0.4–2.5 mol/L),sulfuric acid concentrations(6–14 mol/L),and reaction temperatures(95–125 oC).In addition,the effect of the pH value on the separation of Ce(OH)_4 in HCl-H_2 O solutions with Ce(OH)_4,La-,Pr-,and Nd(OH)_3 in Process 4 was also investigated.On the basis of above results,the possibility of effective separation of REEs from REPPWs could be confirmed. | UM Namil HIRATO Tetsuji | 2016 | Journal of Rare Earths2016，34，5： | 13 |
| 2 | Development of high stability hot mix asphalt concrete with hybrid binder显示文摘Cost reduction of public works projects has been desired due to severe financial circumstances.Therefore,asphalt pavement has been requested to extend its life.Semi-flexible pavement or epoxy asphalt pavement,which has high rutting resistance and oil resistance,may be applied to the place where these performances are demanded.However,special technique is required in manufacturing and construction.In addition,these materials have also raised a problem that they cannot be recycled.Meanwhile,conventional asphalt pavement has several drawbacks.It is vulnerable to rutting caused by traffic load and damage caused by petroleum oils such as gasoline or motor oil.The materials used in asphalt mixtures were studied for improving the durability of asphalt mixture.A high stability asphalt concrete was developed which has equal or superior performance to semi-flexible pavement and epoxy asphalt pavement.In this paper,the process of selecting the substance and the characteristics evaluation of the developed mixtures are described.Furthermore,an inspection result as well as followup survey of the performance of the developed mixtures obtained from trial and actual construction is shown. | Toshiaki Hirato Masato Murayama Hirotaka Sasaki | 2014 | Journal of Traffic and Transportation Engineering(English Edition)2014，1，6： | 8 |
| 3 | Fabrication of TiAl 3 coating on TiAl-based alloy by Al electrodeposition from dimethylsulfone bath and subsequent annealing显示文摘 | Masao Miyake Seiya Tajikara Tetsuji Hirato | 2011 | Surface & Coatings Technology2011，，21： | 2 |
| 4 | Water content and related physical properties of aliphatic quaternary ammonium imide-type ionic liquid containing metal ions显示文摘 | Takuma Katase Susumu Imashuku Kuniaki Murase Tetsuji Hirato Yasuhiro Awakura | 2006 | Science and Technology of Advanced Materials2006，，： | 1 |
| 5 | Nestin immunoreactivity of Purkinje cells in Greutzfeldt-Jakob disease显示文摘 | Mizuno Y Ohama E Hirato J | 2006 | J Neurol Sci2006，246，12： | 1 |
| 6 | The bioleaching of chalcopyrite in ferric sulfate 显示文摘 | HIRATO T MAJIMA H AWAKURA Y | 1987 | Metall Mater Trans1987，18，： | 1 |
| 7 | Bcl-2 oncoprotein ex- pression and apoptosis in neuroblastoma显示文摘 | Ikeda H Hirato J Akami M etal | 1995 | Pediatric Surg1995，30，6： | 1 |
| 8 | Significance of epidermal growth factor receptor gene mutations in squamous cell lung carcinoma显示文摘 | Miyamae Y Shimizu K Hirato J | 2011 | Oncol Rep2011，25，： | 1 |
| 9 | Continuous activation of gp130,a signaling-transducing receptor component for interleukin-6-related cytokines causes myocardial hypertrophy in mice显示文摘 | Hirato H Yoshida K Kishimoto T | 1995 | Proc Natl Acad Sci USA1995，92，11： | 1 |
| 10 | Solitary fibrous tumor of the orbit with extraorbital extension:case report显示文摘 | Hayashi S Kurihara H Hirato J | | 0，，05： | 1 |
| 11 | Gamma knife radiosurgery for acousticschwannoma:Effects of low radiation dose and functional prognosis显示文摘 | Hirato M Lnoue H Zama A | 1996 | Stereotact FunctNeurosurg1996，，： | 1 |
| 12 | Inflammatory pseudotumor of the liver: Case report and review of the literature显示文摘 | Masato Sakai Hitoshi Ikeda Norio Suzuki Atsushi Takahashi Minoru Kuroiwa Junko Hirato Shin-itsu Hatakeyama Yoshiaki Tsuchida | 2001 | Journal of Pediatric Surgery2001，，4： | 1 |
| 13 | Bcl-2 oncoprotein expression and apoptosis in neuroblastoma显示文摘 | Ikeda H Hirato J Akami M | 1995 | J Pediatric Surg1995，30，6： | 1 |
| 14 | Electrochemical behaviour of copper in trimethyl-n-hexylammonim bis((trifluomethyl)sulfonyl)amide, an ammonium imide-type roon temperature molten salt显示文摘 | T Hirato | 2001 | Journal of Applied Electrochemistry2001，31，： | 1 |
| 15 | Neurobiologic effects of radiosurgery: histologic, immunohistochemical and electron-microscopic studies of rat model 显示文摘 | Kohga H Hirato M | 1994 | Stereotact Funct Neurosurg1994，63，14： | 1 |
| 16 | Demulsification of water-in-oil emulsion by an electrostatic coalescence method显示文摘 | Hirato T Koyama K Tanaka T | 1991 | Mater Trans JIM1991，32，3： | 1 |
| 17 | Pathology of pineal region tumors显示文摘 | Hirato J Nakazato Y | 2001 | J Neurooncol2001，54，3： | 1 |
| 18 | Radiobiological effects of gamma knife radiosurgery on brain tumors studied in autopsy and surgical specimences 显示文摘 | Hirato J Zama A | 1996 | Stereotact Funct Neurosurg1996，66，1： | 1 |
| 19 | Solitary fibrous tumor of the orbit with extraorbital extension: case report 显示文摘 | Hayashi S Kurihara H Hirato J | 2001 | Neurosurgery2001，49，5： | 1 |
| 20 | Calcium and cell death signaling in neurodegeneration and aging显示文摘 | Smaili S Hirato H Ureshino R | 2009 | An Acad Bras Ciênc2009，81，3： | 1 |
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