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| 1 | 绿色溶剂γ-戊内酯中果糖催化转化为5-羟甲基糠醛显示文摘通过生物质衍生糖的酸催化转化制备生物质基平台化合物5-羟甲基糠醛受到关注。常用又有效的溶剂包括离子液体和二甲基亚砜等,但这些溶剂黏度高,易造成空气污染。以γ-戊内酯作为溶剂,研究果糖催化转化为5-羟甲基糠醛的绿色过程,系统研究酸催化剂种类、反应温度、催化剂用量、果糖初始浓度及底物种类等对5-羟甲基糠醛产率的影响。通过反应条件的优化,以HCl溶液为催化剂,在果糖初始质量浓度2%、反应温度100℃和反应时间30 min条件下,5-羟甲基糠醛产率为93.5%。5-羟甲基糠醛产率随果糖初始添加量的增加而呈下降趋势,但果糖初始质量浓度为10%时,5-羟甲基糠醛产率仍保持约90%,表明γ-戊内酯是一种将果糖催化转化为5-羟甲基糠醛的优良绿色溶剂。 | 刘念 漆新华 Hiroshi Machida | 2015 | 工业催化2015,23,8: | 5 |
| 2 | Phase 1 study of efatutazone, a novel oral peroxisome proliferator-activated receptor gamma agonist, in combination with FOLFIRI as second-line therapy in patients with metastatic colorectal cancer显示文摘 | Yoshito Komatsu Takayuki Yoshino Kentaro Yamazaki Satoshi Yuki Nozomu Machida Takahide Sasaki Ichinosuke Hyodo Yutaka Yachi Hiroshi Onuma Atsushi Ohtsu | 2014 | Investigational New Drugs2014,,3: | 2 |
| 3 | Risk factors predictive of lymph node metastasis in depressed early gastric cancer显示文摘 | Nobutsugu Abe Takashi Watanabe Kazufumi Suzuki Hiromichi Machida Hiroshi Toda Yuzo Nakaya Tadahiko Masaki Toshiyuki Mori Masanori Sugiyama Yutaka Atomi | 2002 | The American Journal of Surgery2002,,2: | 2 |
| 4 | Extensive Application of TMCP Steel Plates to Ship Hulls: 40 kgf/mm^2 Class High Yield Stress Steel 显示文摘 | Susumu Machida Hiroshige Kitada Hiroshi Yajima | 1988 | Marine Structures1988,1,3: | 1 |
| 5 | Combined Transplantation of Pancreatic Islets and Adipose Tissue-Derived Stem Cells Enhances the Survival and Insulin Function of Islet Grafts in Diabetic Mice显示文摘 | Yoshiaki Ohmura Masahiro Tanemura Naomasa Kawaguchi Tomohiko Machida Tsukasa Tanida Takashi Deguchi Hiroshi Wada Shogo Kobayashi Shigeru Marubashi Hidetoshi Eguchi Yutaka Takeda Nariaki Matsuura Toshinori Ito Hiroaki Nagano Yuichiro Doki Masaki Mori | 2010 | Transplantation2010,,12: | 1 |
| 6 | Oxidation kinetics of Fe^Ⅱ-edta and Fe^Ⅱ- nta chelates by dissolved oxygen显示文摘 | EIZO Sada HIDEHIRO Khmazawa HIROSHI Machida | 1987 | Ind Eng Chem Res1987,26,7: | 1 |
| 7 | Transcriptional analysis of genes for energy catabolism and hydrolytic enzymes in the filamentous fungus Aspergillus oryzae using cDNA microarrays and expressed sequence tags显示文摘 | Hiroshi Maeda Motoaki Sano Yutaka Maruyama Takeki Tanno Takeshi Akao Yoshiteru Totsuka Misako Endo Rumi Sakurada Youhei Yamagata Masayuki Machida Osamu Akita Fumihiko Hasegawa Keietsu Abe Katsuya Gomi Tasuku Nakajima Yasutaka Iguchi | 2004 | Applied Microbiology and Biotechnology2004,,1: | 1 |
| 8 | (Tb,Yb) 3 Al 5 O 12 garnet: crystal-chemistry and fiber growth by micro-pulling-down technique显示文摘 | Valery I. Chani Akira Yoshikawa Hiroshi Machida Tsuguo Fukuda | 2000 | Materials Science & Engineering B2000,,1: | 1 |
| 9 | Crystal quality and optical properties for Nd:GdVO4 single crystals by floating zone method显示文摘 | Koichi Onodera Takayo Ogawa Hitoshi Itagaki Hiroshi Machida Satoshi Wada | 2004 | Optical Materials2004,26,4: | 1 |
| 10 | Combined Transplantation of Pancreatic Islets and Adipose Tissue-Derived Stem Cells Enhances the Survival and Insulin Function of Islet Grafts in Diabetic Mice显示文摘 | Yoshiaki Ohmura Masahiro Tanemura Naomasa Kawaguchi Tomohiko Machida Tsukasa Tanida Takashi Deguchi Hiroshi Wada Shogo Kobayashi Shigeru Marubashi Hidetoshi Eguchi Yutaka Takeda Nariaki Matsuura Toshinori Ito Hiroaki Nagano Yuichiro Doki Masaki Mori | 2010 | Transplantation2010,,12: | 1 |
| 11 | Measurement and correlation of infinite dilution partition coefficients of aromatic compounds in the ionic liquid 1-butyl-3-methyl-imidazolium hexafluorophosphate ( )-CO2 system at temperatures from 313 to 353K and at pressures up to 16MPa显示文摘 | Hiroshi Machida Yoshiyuki Sato Richard L | 2008 | The Journal of Supercritical Fluids2008,43,: | 1 |
| 12 | Interleukin-18 promoter polymorphisms and the disease progression of Hepatitis B virus-related liver disease显示文摘 | Kiyoshi Migita Kazumi Sawakami-Kobayashi Yumi Maeda Kazuhiko Nakao Susumu Kondoh Mika Sugiura Ryoko Kawasumi Osamu Segawa Hideji Tajima Masayuki Machida Minoru Nakamura Koji Yano Seigo Abiru Eiji Kawasaki Hiroshi Yatsuhashi Katsumi Eguchi Hiromi Ishibashi | 2009 | Translational Research2009,,2: | 1 |
| 13 | Mutational analysis of the MRP2 gene and long-term follow-up of Dubin-Johnson syndrome in Japan显示文摘 | Ikuo Machida Shinya Wakusawa Fujiko Sanae Hisao Hayashi Atsushi Kusakabe Hiroshi Ninomiya Motoyoshi Yano Kentaro Yoshioka | 2005 | Journal of Gastroenterology2005,,4: | 1 |
| 14 | Short-term effects of low-dose tolvaptan on hemodynamic parameters in patients with chronic heart failure显示文摘 | Kiyotaka Watanabe Kaoru Dohi Tadafumi Sugimoto Tomomi Yamada Yuichi Sato Kazuhide Ichikawa Emiyo Sugiura Naoto Kumagai Shiro Nakamori Hiroshi Nakajima Kozo Hoshino Hirofumi Machida Shinya Okamoto Katsuya Onishi Mashio Nakamura Tsutomu Nobori Masaaki Ito | 2012 | Journal of Cardiology2012,,6: | 1 |
| 15 | Growth of TbxGasO12 fiber and bulk crystals using micro-pulling-down apparatus 显示文摘 | Valery I Chani Akira Yoshikawa Hiroshi Machida | 2000 | Joumal of Crystal Growth2000,,210: | 1 |
| 16 | Green chemical processes with supercritical fluids:Properties,materials and energy显示文摘 | Hiroshi Machida Masafumi Takesue Richard L | 2011 | The Journal of Supercritical Fluids2011,60,: | 1 |
| 17 | Measurement and correlation of supercritical CO_(2) and ionic liquid systems for design of advanced unit operations显示文摘Ionic liquids combined with supercriticalfluid technology hold great promise as working solvents for developing compact processes.Ionic liquids,which are organic molten salts,typically have extremely low volatility and high functionality,but possess high viscos-ities,surface tensions and low diffusion coefficients,which can limit their applicability.CO_(2),on the other hand,especially in its supercritical state,is a green solvent that can be used advantageously when combined with the ionic liquid to provide viscosity and surface tension reduction and to promote mass transfer.The solubility of CO_(2) in the ionic liquid is key to estimating the important physical properties that include partition coefficients,viscosities,densities,interfacial tensions,thermal conductivities and heat capacities needed in contactor design.In this work,we examine a subset of available high pressure pure component ionic liquid PVT data and high pressure CO_(2)-ionic liquid solubility data and report new correlations for CO_(2)-ionic liquid systems with equations of state that have some industrial applications including:(1)general,(2)fuel desulfurization,(3)CO_(2) capture,and(4)chiral separation.New measurements of solubility data for the CO_(2) and 1-butyl-3-methylimidazolium octyl sulfate,[bmim][OcSO4]system are reported and correlated.In the correlation of the CO_(2) ionic liquid phase behavior,the Peng-Robinson and the Sanchez-Lacombe equations of state were considered and are compared.It is shown that excellent correlation of CO_(2) solubility can be obtained with either equation and they share some common characteristics regarding inter-action parameters.In the Sanchez-Lacombe equation,parameters that are derived from the supercritical region were found to be important for obtaining good correlation of the CO_(2)-ionic liquid solubility data. | Hiroshi MACHIDA Ryosuke TAGUCHI Yoshiyuki SATO Louw J.FLORUSSE Cor J.PETERS Richard L.SMITH | 2009 | Frontiers of Chemical Science and Engineering2009,3,1: | 0 |
| 18 | Catalytic hydrotreatment of alkaline lignin and its consequent influences on fast pyrolysis显示文摘The current state of lignin has been characterized by these three:(1)as one of the main components in lignocellulosic biomass with an abundant amount;(2)not be taken seriously but treated as a waste product;(3)underutilized due to a complex and stubborn structure.However,lignin can be a rich source for hydrocarbons and aromatic compounds when gives appropriate utilization.In this work,we have studied the hydrotreatment of alkaline lignin(AL)under relatively mild conditions and further investigated the characterization of hydrogenated lignin(HL),especially the behavior during fast pyrolysis.The recovery of the HL decreased with increasing reaction temperature from 60 wt.%to 41 wt.%in the range of 150-250℃.The hydrotreated products were analyzed using Elemental Analysis,FTIR(for HL)and GC-MS(for bio-oil).The HL samples were found to have a higher hydrogen/carbon atomic effective ratio(H/C_(eff) ratio)and a higher degree of saturation than AL.Compared to the internal structure of the lignin before and after hydrotreatment,the side chain groups were removed from AL during the process.After that,from the fast pyrolysis of HL,it was observed that more light hydrocarbons and aromatic compounds were formed than that of AL.Furthermore,fast pyrolysis in the hydrogen atmosphere revealed that more volatile fractions were released compared to the Helium atmosphere.The total olefins yield was increased for HL compared AL from 1.02 wt.%to 3.1 wt.%at 250℃for 7 hours.This study of HL is instructive to some extent for the industrial utilization of lignin. | Lijuan Zhang Cheolyong Choi Hiroshi Machida Zhibao Huo Koyo Norinaga | 2021 | Carbon Resources Conversion2021,4,1: | 0 |