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    题名 作者 年代 出处 被引量
1Effect of Heat Treatment on the Microwave Electromagnetic Properties of Carbonyl Iron/Epoxy-Silicone Resin Coatings显示文摘Microwave absorbing properties of the carbonyl iron particles filled epoxy-silicone resin coatings showed visible degression when the coatings were heat treated at 300 ℃ with different time.The complex permittivity and permeability of the coatings before and after heat treatment were measured.After heat treatment at 300 ℃,the real part of permittivity of the coatings increased with increasing treatment time and showed frequency dependence dielectric response.The complex permeability showed remarkable variation while the resonance frequency of the coatings heat treated at 300 ℃ shifted from 7 to 12 GHz.The electromagnetic results indicated that microwave absorbing properties of the coatings showed more dependent on the complex permeability.The results showed that the difference of the electromagnetic and microwave absorbing properties before and after heat treatment was mainly attributed to the crystalline state transition of carbonyl iron particles.Yuchang Qing,Wancheng Zhou,Shu Jia,Fa Luo and Dongmei Zhu State Key Laboratory of Solidification Processing,Northwestern Polytechnical University,Xi an 710072,China 2010Journal of Materials Science & Technology2010,26,11:6
2Synthesis and Properties of Novel Cationic Maleic Diester Polymerizable Surfactants显示文摘Three new cationic polymerizable surfactants are synthesized by the reaction of alkylmaleic hemiester with glycidyltrimethylammonium chloride. Their structures are confirmed by 1H NMR, IR and elements analysis. The values of CMC and (CMC of these surfactants have been measured. One can obtain nearly monodisperse polystyrene latex by emulsion polymerization using the polymerizable surfactant.Jian XU, Gan Zuo LI*, Guo Wei ZHOU, Fa Ye YAO Key Laboratory for Colloid and Interface Chemistry of State Education Ministry, Shandong University, Jinan 250100 2001Chinese Chemical Letters2001,12,6:3
3Trophie speeificty of the gustatory fibers upon taste bad regeneration显示文摘State FA Hamed MS E1 Hashash MK 1982Acta Anat1982,113,:1
4MAGNETIC INVESTIGATION OF THE NICKEL COMPLEXES OF MULTI-SULFUR 1.2-DITHIOLATES显示文摘MAGNETICINVESTIGATIONOFTHENICKELCOMPLEXESOFMULTI-SULFUR1.2-DITHIOLATES¥TianMingYAO;XianFaSHI;XiaoZengYOU(DepartmentofChemistr...Tian Ming YAO Xian Fa SHI Xiao Zeng YOU(Department of Chemistry,Tongji University, Shanghai 200092)(State Key Laboratory of Coordination Chemistry,Nanjing University,Nanjing 210093) 1996Chinese Chemical Letters1996,7,7:1
5Trophic specificty of the gustatory fibers upon taste bad regeneration显示文摘State FA Hamed MS EL Hashash MK 1982Acta anat1982,113,:1
6HREELS Studies on Adsorption and Decomposition of ^(15)NO on Mo(100)-c(2×2)N Surface显示文摘High resolution electron energy loss spectroscopy (HREELS) has been used to investigate the adsorPtion and decomposition of 15NO on the Mo(100)-c(2×2)14N surface. At 140K, the 15NO molecu1e could adsorb associatively on atop sites of the Mo and l4N atoms in the nitride layers. On the other hand, a small amount of dissociatCd 15NO also exists. The dissociation of surface nitric oxides species at elevated temperatures caused the oxidation of the surface Mo.Jun Fa ZHU Shu Xian ZHUANG Jian Chang GUO Run Sheng ZHAI Yu Ming CAO Xin He BAO(Department of Chemical Physics, University of Science and Technology of China, Hefei 230026)(State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chine 1998Chinese Chemical Letters1998,9,7:0
7SYNTHESIS OF 2,3-DEHYDRO-4, 9β-DIHYDROXY-β-DIHYDROAGAROFURAN显示文摘SYNTHESIS OF 2,3-DEHYDRO-4,9β-DIHYDROXY-β-DIHYDROAGAROFURANFaJunNAN;ZhaoMingXIONG;LiJunLIU;TongShangLI;YuLinLI(StateKeyLabora...Fa Jun NAN Zhao Ming XIONG Li Jun LIU Tong Shang LI Yu Lin LI (State Key Laboratory of Applied Organic Chemistry and Institute of Organic Chemistry,Lanzhou University, Lanzhou 730000) (Department of Chemistry, Hebei University, Baoding 071002) 1995Chinese Chemical Letters1995,6,12:0
8Vaccariside A, Novel Saponin from Vaccaria segetalis (Neck.) Garcke显示文摘A new triterpenoid saponin, vaccariside A 1 was isolated from the seeds of Vaccariasegetalis using various chromatographic methods. The structure of compound 1 was elucidated bycomprehensive spectroscopic analysis as,3-O-D-galactopyranosyl-(1-2_-quinovpyranosyl-(1-4)-β-D-xylopranoslyl-(1-3)-β-D-glucuronopyranosoyl quillaic acid 28-O-β0D0glucopyranosyl-(1-3)-β-D-xylopyranosly-(1-4)]-α-L-rhamnopyranosyl-(1-2)-3-O-acelyl-β-D-fucopyranoside.Ji MA Wen Cat YE Hou Ming WU Fa Hu HE Jing Zhen DENG Shou Xun ZHAO( Department of Phytochemistry, China Pharmaceutical University, Naming 210009)(State Key Laboratory of Bioorganic and Natural Products Chemistry.Shanghai institute of organic Chemistry 1999Chinese Chemical Letters1999,10,11:0
9TOTAL SYNTHESIS OF 3α,4α-OXIDOAGAROFURAN AND (-)-3β,4α-DIHYDROXY-β-DIHYDROAGAROFURAN显示文摘TOTALSYNTHESISOF3α,4α-OXIDOAGAROFURANAND(-)-3β,4α-DIHYDROXY-β-DIHYDROAGAROFURANFaJunNAN;XinCHEN;ZhaoMingXIONG;TongShuangLI;Yu...Fa Jun NAN Xin CHEN Zhao Ming XIONG Tong Shuang LI Yu Lin LI(State Key Laboratory of Applied Organic Chemistry and Institute of Organic Chemistry, Lanzhou University, Lanzhou 730000.) 1994Chinese Chemical Letters1994,5,1:0
10Squamin-A,Novel Cyclopeptide from Annona squamosa显示文摘A novel cyclopeptide, squamin-A has been isolated from the seeds of Annona squamosa Linn.. The structure was elucidated by extensive 2D-NMR, FABMS and amino acid analysis in combination with Marfey’s reagents as cyclo-[l-prolyl-l-(S-oxo)-methionyl -l-tyrosyl-l-glcyl-l-threonyl-l-valyl-l-analyl-l-isoleucyl]Jian Xia SHI Hou Ming WU Fa Hu HE Kenichiro INOUE Zhi Da MIN( Department of Phytochemistry, China Pharmaceutical University, Naming 210009)( State Key Laboratory of Bioorganic and Natural Products Chemistry, ShanghaiInstitute of Organic Chemistry, Chinese 1999Chinese Chemical Letters1999,10,4:0
11New Evidences for the Adsorption of Methane over Oxide Surfaces显示文摘NewEvidencesfortheAdsorptionofMethaneoverOxideSurfacesNewEvidencesfortheAdsorptionofMethaneoverOxideSurfaces¥FaQiangXU;ShiKon?..Fa Qiang XU Shi Kong SHEN Jin Zhen XUE(National Synchrotron Radiation Laboratory.University of Science and Technology of China.Hefei 230029.)(Key State Laboratory for Oxo Synthesis and Selective Oxidation. Lanzhou Institute of Chemical Physics.Chinese Ac 1996Chinese Chemical Letters1996,7,9:0
12A FACILE TOTAL SYNTHESIS OF (±)-SELINA-3,11-DIEN-9-OL显示文摘A FACILE TOTAL SYNTHESIS OF (±)-SELINA-3, 11-DIEN-9-OLAFACILETOTALSYNTHESISOF(±)-SELINA-3,11-DIEN-9-OLLiJunLIU;ZhaoMingXIONG;...Li Jun LIU Zhao Ming XIONG Fa Jun NAN Tong Shuang LI Yu Lin LI(State Key Laboratory of Applied Organic Chemistry and Institute or Organic Chemistry, Lanzhou University. Lanzhou 730000) 1994Chinese Chemical Letters1994,5,9:0
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