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| 1 | Two New Indole Alkaloids from Evodia rutaecarpa显示文摘Two new indole alkaloids. wuchuyuamide Ⅰ and Ⅱ were isolated from the fruits of Evodia rutaecarpa (Juss.) Benth and their structures were elucidated on the basis of spectral data. | Guo Ying ZUO1,2 Xiao Sheng YANG 1 Xiao Jiang HAO1 (1 Laboratory of Phytochemistry. Kunming Institute of Botany, the Chinese Academy of Sciences. Kunming 650204 2Kunming 43 Hospital. PLA, Kunming 650032) | 2000 | Chinese Chemical Letters2000,11,2: | 12 |
| 2 | DYNAMIC BEHAVIOR ANALYSIS FOR LANDING-GEAR WITH DIFFERENT TYPES OF DUAL-CHAMBER SHOCK-STRUTS显示文摘In this paper three types of dual- chamber shock- struts are considered in dynamic analyses of landing-gear behavior during impact and taxi. Their dynamic characteristics are compared with each other according to calculation results, and some conclusions are presented.It is very helpful for selecting a suitable type of dual-chamber shock-strut in landing-gear design. | Nie Hong Qiao XinAircraft Engineering Department, Nanjing Aeronautical InstituteNanjing 210016, China Gao Zejun R&D Institute of Chendu Aircraft Corp.Chendu 610041, ChinaZhou Lanqin Landing Gear Manufa ctoryBox 43#, Yangxian, Shaanxi 723313, China | 1991 | Chinese Journal of Aeronautics1991,6,2: | 10 |
| 3 | A New Triterpenoid Oligoglycoside Escin IVe from the Seeds ofAesculus Chinensis显示文摘A new triterpenoid saponin named escin IVr was isolated from the seeds ofAesculus chinensis its structure was established as 28-tigloylprotoaescigenin-3β-O-[β-D-glucopyranosyl (1-2 )][β-D-glucopyranosyl (1-4)] -β-D-glucopyranosiduronic acid. | Jing ZHAO Xiu Wei YANGI Yu Xin CUl Xue Hut LIU Shun He OUYANGZ(National Laboratory of Natural and Biomimetic Drugs, Beijing Medical University.Beijing 100083Yantai Luye Pharmaceutical Co. Ltd.. 43 Yingbin Road. Yantai. Shandong 264001) | 1999 | Chinese Chemical Letters1999,10,6: | 5 |
| 4 | Preparation and Properties of Zirconium Hydrideon the surface of MCM-41 Mesoporous Molecular Sieves显示文摘Zirconium monohydride bonded to the framework oxygen of MCM-41 surface was prepared by the reaction of tetraneopentyl zirconium with MCM-41 surface hydroxyl groups, followed by the hydrogenolysis of the resulted product. The surface hydride was characterized by using infrared spectroscopy, solid-state NMR, elemental analysis, gas-phase chromatography and chemical probing reaction. It was shown that this surface species is stable below 150 'C and can catalytically crack alkanes into methane and ethane at 100 . | WANG Xu-xu1* * , FU Xian-zhi1, LEFEBVRE Frederic2 and BASSET Jean-Marie2(1. Research Institute of Photocatalysis, Fuzhou University, Fuzhou 350002, P. R. China 2. Laboratoire de Chimie Organometallique de Surface, UMR CNRS-CPE 9986,43,Bd dull Novembre 1 | 2001 | Chemical Research in Chinese Universities2001,17,4: | 4 |
| 5 | New Diterpenoid Alkaloids from Spiraea japonica var. Ovalifolia显示文摘Five new diterpenoid alkaloids, 19-O-deethylspiramine N (1), deacetylspiramine S (2), spiramidine A (3), spiramidine B (4) and deacetylspiramine F (5) were isolated from the aerial parts of Spireae japonica L. f. var. ovalifolia. Their structures were charaterized mainly based on spectral analysis. | Guo Ying ZUO1,2, Hong Ping HE1, Xin HONG1, Wei Ming ZHU1, Yi Ming HU1, Xiao Sheng YANG1, 3, Xiao Jiang HAO1* 1Laboratory of Phytochemistry, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204 2Kunming 43 Hospital, PLA, Kunming 650032 | 2001 | Chinese Chemical Letters2001,12,2: | 2 |
| 6 | Combined sensor noise-immunity显示文摘The paper presents statistical analysis of combined sensor noise-immunity while recording fluctuating tone against underwater dynamic noise background. The experimeatal data used for the analysis have been collected by a pair of four-component combined sensors centered at two depths, 150 and 300 m in deep water. Expressions for combined sensor signal- to-noise ratio (SNR) for cross-spectral levels of signal and noise for both wide and narrow frequency bands have been derived. A combined sensor gain has been introduced in terms of ordinary single-point coherence function between acoustic pressure and particle velocity in acoustic wave. The estimates obtained experimentally evidence that SNR for a combined sensor with multiplicative data processing may exceed SNR for a hydrophone-based sensor by 15 to 16 dB at most for the horizontal channel of the combined sensor, and by 30 dB at most for the vertical channel (when opposite energy flows of signal and noise compensate one another). | Vladimir A. Shchurov Alexander V. Shchurov (Pacific Oceanological Institute, 43 Baltiyskaya St, Vladivostok, Russia 690041) | 2002 | Chinese Journal of Acoustics2002,21,2: | 2 |
| 7 | 思密达预防化疗引起的口腔溃疡显示文摘 | 季永辉 邓芙蓉 (1)43 | 2000 | 山西护理杂志2000,,: | 1 |
| 8 | 5 expression precede the occurrence of substantial fibrosis in calcineurin-induced murine cardiac hy- pertrophy显示文摘 | Fontes M S Raaijmakers A J van Doorn T l Changes in Cx 43 and NaV 1 | 2014 | PLoSOne2014,9,87: | 1 |
| 9 | 8 osteoblast- like cells显示文摘 | LOHMANN C H SCHWARTZ Z LIU Y et at Pulsed electromagnetic fields affect phenontype and oonnexin 43 protein expression in MLO-Y4 osteocyte-like ceils and ROS 17/2 | 2003 | J Orthop Res2003,21,2: | 1 |
| 10 | Dicingwithdeath:dissectingthecomponentsoftheapoptosismechanism显示文摘 | 43,MartinSJ GreenDR CotterTG etal | 1994 | TrendsBiolSci1994,19,: | 1 |
| 11 | The peak strength of sand-steel interfaces and the role of dilation显示文摘 | LINGS M L DIETZ M and Foundation 2003 43 S | 2005 | Soils and Foundations2005,45,6: | 1 |
| 12 | Mapping of selenium metabolic pathway in yeast by liquid chromatography-orbitrap mass spec- trometry 显示文摘 | fourier transform mass Metab Rev 2011 43: RAO Y L MCC(X)EYE M WINDUST A | 2010 | AnalChem2010,82,19: | 1 |
| 13 | 去年中国吸收外商直接投资特点(英文)显示文摘 | According to statistics released by the Ministry of Commerce,in 2004,China approved 43,664 new overseas funded enterprises involving US$153.479 billion in contractual overseas investment and US$60.630 billion in overseas funds actually utilized,up 6.29%,33.38%,and 13.32% respectively as compared with the figures for the previous year. | 2005 | 世界制造技术与装备市场2005,,3: | 1 |
| 14 | Laboratory Response of Sand 显示文摘 | Fishman K L Mander J Study of Seismic Free-field Dynamics and Earthquake 43 B Richards R | 1995 | Soil Engineering1995,14,: | 1 |
| 15 | Koch carbonylation using 显示文摘 | Mori H Mori A Xu Q silver trifluoromethanesulfonate 2002 43(44): 7871 -7874 | 2002 | Tetrahedron Lett2002,,: | 1 |
| 16 | 显示文摘 | 梁晓曦 易健宏 张家敏 等134 朱立洪 张玉军 于名讯 等43(6) | | 0,,: | 1 |
| 17 | A new theory of the origin of cancer: quantum coherent entanglement, centrioles, mitosis, and differentiation 显示文摘 | a System Composed of Two Life Evol Biosph 2013 43 Hameroff S R | 2004 | Biosystems2004,77,13: | 1 |
| 18 | The comparison study of diagnostics of light filaments in air显示文摘Long plasma channels in air induced by femtosecond laser pulses are inves-tigated using three different methods, including the cross-section imaging, resistivity measuring and acoustic diagnostics. These methods are based on different properties of the light filaments. A comparison of the three diagnostics shows that the imaging method is the most precise one in studying the filaments distribution and evolution, that the sono-graphic method is the most convenient approach to detecting long plasma channels by detecting the acoustic wave generation, and that the resistivity measurement can only be applied for giving a rough estimate. The diagnostics of filaments allow us to choose ap-propriate detecting methods and provide further insight into the dynamic evolution of the light filaments in air. | HAO Zuoqiang1, ZHANG Jie1, YU Jin2, ZHENG Zhiyuan1, YUAN Xiaohui1,3, ZHANG Zhe1, LI Yutong1, WANG Zhaohua1, LING Weijun1 & WEI Zhiyi11. Laboratory of Optical Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China 2. Laboratoire de Spectrométrie Ionique et Moléculaire,UMR CNRS 5579,Université Claude Bernard-Lyon 1,43, Bd. du 11 Novembre 1918, F-69622 Villeurbanne Cedex, France 3. State Key Laboratory of Transient Optics Technology, Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi’an 710068, China | 2006 | Science China(Physics,Mechanics & Astronomy)2006,49,2: | 1 |
| 19 | ASPECT: acquisition/tracking tions显示文摘 | Julien O Macabiau C Cannon M unambiguous sine-BOC ( n n ) technique for navigation app Aero Elec Sys 2007 43(1): lica E | 2007 | IEEE T2007,,: | 1 |
| 20 | Regional hemofiltration:a rationale for a different treat- advanced pancxemtic cancer显示文摘 | MUCHMORE JH chemotherapy with ment approach to terology 1996 43: CARTER RD PRESLAN JE | 1996 | Hepatogastroen- 346-3551996,,: | 1 |