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| 1 | Diagenetic fluids evolution and genetic mechanism of tight sandstone gas reservoirs in Upper Triassic Xujiahe Formation in Sichuan Basin, China显示文摘The reservoirs of the Upper Triassic Xujiahe Formation in Sichuan Basin have the characteristics of low compositional maturity, low contents of cements and medium textural maturity. The general physical properties of the reservoirs are poor, with low porosity and low permeability, and there are only a few reservoirs with medium porosity and low permeability in local areas. Based on the diagenetic mineral association, a diagenetic sequence of cements is established: early calcites (or micrite siderites) →first quartz overgrowth→chlorite coatings→dissolution of feldspars and debris→chlorite linings→ second quartz overgrowth (quartz widen or filled in remain intergranular pores and solution pores)→dissolution→third quartz overgrowth (quartz filled in intergranular and intragranular solution pores)→intergrowth (ferro) calcites→dolomites→ferro (calcites) dolomites→later dissolution→veins of quartz and calcites formation. Mechanical compaction is the main factor in making the reservoirs tight in the basin, followed by the second and third quartz overgrowth. In a long-term closed system, only feld-spars and some lithic fragments are dissolved by diagenetic fluids, while intergranular cements such as quartz and calcit are not dissolved and thus have little influence on the porosity of the Xujiahe Formation. This is the third factor that may have kept the sandstones of Xujiahe Formation tight finally. The hydrocarbon was extensively generated from organic materials after the second quartz overgrowth, and selectively entered favorable reservoirs to form tight sandstone gas reservoirs. | ZHU RuKai ZOU CaiNeng ZHANG Nai WANG XueSong CHENG Rong LIU LiuHong ZHOU ChuanMin SONG LiHong | 2008 | Science China Earth Sciences2008,51,9: | 29 |
| 2 | A new flavonoid with a benzoic acid substituent from Selaginella uncinata显示文摘6-(5-Carboxyl-2-methoxyphenyl )-apigenin (1 ) ,新 flavonoid,从 Selaginella uncinata (Desv ) 的 60% 乙醇摘录被孤立春天。它的结构被分光镜的方法建立。化合物 1 代表在 C-6 拥有一个安息香的酸取代者的 flavonoids 的第一个例子。 | Jun Xia Zheng Nai Li Wang Hao Gao Hong Wei Liu Hai Feng Chen Ming Fan Xin Sheng Yao | 2008 | Chinese Chemical Letters2008,19,9: | 8 |
| 3 | A new triterpenoid saponin from the roots of Ardisia crenata显示文摘新 triterpenoid saponin, 3-O-{-d-glucopyranosyl-(1 4 )-[-d-glucopyranosyl-(1 2 )]-- l-arabinopyranosyl }-16, 28-dihydroxyolean-12-en-30-oic 酸 30-O--d-glucopyranosyl 酉旨(ardisicrenoside N, 1 ) 和二已知的 saponins, ardisicrenoside C (2 ) 和 D (3 ) ,从 Ardisia crenata Sim 的根被孤立。他们的结构被阐明由广泛光谱分析和化学证据。Saponins 1 在 vitro 在 11.0 mol/L 和 22.1 mol/L 对 MCI-7 和 NCI-H460 癌症房间线显示出 cytotoxicity。 | Dai Lin Liu Xue Zhang Shu Ping Wang Nai Li Wang Xin Sheng Yao | 2011 | Chinese Chemical Letters2011,22,8: | 6 |
| 4 | Crystallization,Mechanical,Thermal and Rheological Properties of Polypropylene Composites Reinforced by Magnesium Oxysulfate Whisker显示文摘Polypropylene(PP) composites containing magnesium oxysulfate whisker(MOSw) or lauric acid(LA) modified MOSw(LAMOSw) were prepared via melt mixing in a torque rheometer. The heterogeneous nucleating effect of LAMOSw was clearly observed in polarized light microscopy(PLM) pictures with the presence of an abundance of small spherulites. MOSw exhibited no nucleation effect and formed a few spherulites with large size. Compared with PP/MOSw composites, PP/LAMOSw exhibited better impact strength, tensile strength and nominal strain at break, ascribing to three possible reasons:(i) more β-crystal PP formed,(ii) better dispersity of LAMOSw in PP matrix and(iii) the plasticizing effect of LA. The results of dynamic mechanical thermal analysis(DMTA) indicated that brittleness of the PP matrix at low temperature was improved by the addition of LAMOSw, while the interfacial interactions between MOSw and PP matrix were actually weakened by LA, as evidenced by the higher tanδ values over the entire range of test temperatures. In terms of the rheological properties of the composites, both the η* and G′ at low frequencies increase with the addition of MOSw or LAMOSw, indicating that the PP matrix was transformed from liquid-like to solid-like. However, a network of whiskers did not form because no plateau was found in the G′ at low frequencies. With low filler content, LAMOSw produced a stronger solid-like behavior than MOSw mainly due to the better dispersion of the LAMOSw in PP matrix. However, for highly-filled composites, the η* of PP/LAMOSw at low frequencies was smaller than that of PP/MOSw composite, since the particleparticle contact effect played a major role. | Li Dang Xue-ying Nai Xin Liu Dong-hai Zhu Ya-ping Dong 李武 | 2017 | Chinese Journal of Polymer Science2017,35,5: | 4 |
| 5 | Effects of Low Concentrations of Di-(2-ethylhexyl) and Mono-(2-ethylhexyl) Phthalate on Steroidogenesis Pathways and Apoptosis in the Murine Leydig Tumor Cell Line MLTC-1显示文摘这研究的目的是在 vitro 在一根鼠科的 Leydig 肿瘤房间线(MLTC-1 ) 在 steroidogenesis 上评估 DEHP 和 MEHP 的低集中的效果。流动 cytometry 分析的结果表明 apoptotic 房间的比例显著地在暴露以后被增加到 DEHP。所有三基因(P450scc, P450c17,并且 3 ? HSD ) 在学习下面显示出增加的表达式追随者暴露到 DEHP 或 MEHP,尽管一些不足道的禁止的效果出现了在 10 ? mol/L 处理组同样与控制相比。它也被发现那 DEHP 或 MEHP 在特别刺激了 INSL3 mRNA 和蛋白质 0.001 ? mol/L 处理组。睾丸激素分泌物在暴露以后被刺激到 DEHP 或 MEHP。在 MLTC-1 房间的 steroidogenic 酶和 INSL3 的改变可能在雄激素生产上涉及 DEHP/MEHP 的 biphasic 效果。 | CHEN Xi LIU Ya Nan ZHOU Qing Hong LENG Ling CHANG Ying TANG Nai Jun | 2013 | Biomedical and Environmental Sciences2013,26,12: | 4 |
| 6 | Effects of Different Compatibilizing Agents on the Interfacial Adhesion Properties of Polypropylene/Magnesium Oxysulfate Whisker Composites显示文摘The effects of maleic anhydride-grafted polypropylene(PP-g-MAH) and maleic anhydride-grafted polyolefin elastomer(POE-g-MAH) on interfacial adhesion properties of the polypropylene/magnesium oxysulfate whiskers(PP/MOSw) composites were investigated via mechanical, thermal, ATR-FTIR and rheological tests. Although significant increases in yield strength and Young's modulus were observed in PP-g-MAH treated composites, a sharp decline in these properties was observed in POE-g-MAH treated composites. ATR-FTIR results indicated that esterification occurred between the hydroxyl groups of MOSw and the carbonyls of anhydrides of both compatibilizers but POE-g-MAH was still incompatible with the PP matrix, as verified by the presence of shoulder peaks in DTG curves and numerous voids in SEM micrographs. On the other hand, PP-g-MAH was highly compatible with the PP matrix, as evidenced by the peaks in DTG curves and vague interfaces with wrapped melts on the surface of MOSw. Rheological behaviors also confirmed that introducing PP-g-MAH resulted in a transition from liquid-like to solid-like, which was attributed to the stronger interfacial adhesion between MOSw and the PP matrix. POE-g-MAH treated composites, in contrast to PP-g-MAH, maintained liquidlike rheological behaviors as typical molten polymers. There is likely a MOSw network formed in the PP/15PP-gMAH/15 MOSw composite as suggested by the significant deviation of G′ versus G″ plots and the two crossover frequencies observed in plots of tan? versus frequency. | Li Dang Xue-ying Nai Xin Liu Dong-hai Zhu Ya-ping Dong 李武 | 2017 | Chinese Journal of Polymer Science2017,35,9: | 3 |
| 7 | In-situ construction of a Mg-modified interface to guide uniform lithium deposition for stable all-solid-state batteries显示文摘Uniform lithium(Li)deposition in all-solid-state Li metal batteries is greatly influenced by the anode/electrolyte interface.Herein,a Mg-modified interface was constructed via the simple in-situ electrochemical reduction of Mg^(2+)from Mg(TFSI)_(2) in polyethylene oxide(PEO)and a Li bis(trifluoromethane)sulfoni mide(Li TFSI)formulae.As confirmed by cryogenic transmission electron microscopy,the anode/electrolyte interface exhibited hybrids consisting of crystalline Mg,Li_(2)O,and Li dots embedded in an amorphous polymer electrolyte.The crystalline Mg dots guided the uniform Li nucleation and growth,inducing a smoother anode/electrolyte interface compared with the pristine electrolyte.With 1 wt%Mg(TFSI)_(2) in the PEO-Li TFSI electrolyte,the Mg-modified electrolyte enabled the Li/Li symmetric cells with cycling performance of over 1700 and 1400 h at current densities of 0.1 and 0.2 m A cm^(-2),respectively.Moreover,the full LFP/Li cells using the novel Mg-modified electrolyte delivered a cycling lifespan of over 450 cycles with negligible capacity loss. | Tiefeng Liu Jiale Zheng Hualiang Hu Ouwei Sheng Zhijin Ju Gongxun Lu Yujing Liu Jianwei Nai Yao Wang Wenkui Zhang Xinyong Tao | 2021 | Journal of Energy Chemistry2021,30,4: | 3 |
| 8 | Semi-solid characteristics and thixoforming of hypereutectic Al-Si alloy显示文摘Effects of processing parameters on microstructure evolutions by mechanical stirring, procedures for obtaining thixotropy in semi solid slurries, and procedure for thixoforging component, were investigated in hypereutectic Al Si alloy. It is shown that 605 ℃ was the proper temperature for stirring treatment of this alloy, at which the coarse and plate primary Si crystals were effectively changed to globular crystals with a mean diameter of 200 μm after 50 min stirring, that billets with excellent thixotropy were obtained after 50 min remelting at 575 ℃, in which solid fraction of matrix and primary Si crystals was about 60%, and that a perfect near net shape component of disc casting was obtained by thixoforging. | LIU Chang ming(刘昌明) HE Nai jun(何乃军) LI Hua ji(李华基) | 2000 | 中国有色金属学会会刊:英文版2000,10,3: | 2 |
| 9 | Alkaloids from the root barks of Goniothalamus cheliensis显示文摘(3S )-2-Oxo-5,12-dimethoxy-3-hydroxy-3-methylbenz[f]indoline (1 ) ,与二已知的碱一起,新 benzoxindole 碱从根被孤立 Goniothalamus cheliensis 胡吠叫。结构被分光镜的证据阐明,并且绝对构型被圆二色性谱决定。 | Miao Miao Jiang Xue Zhang Yi Dai Hao Gao Hong Wei Liu Nai Li Wang Wen Cai Ye Xin Sheng Yao | 2008 | Chinese Chemical Letters2008,19,3: | 2 |
| 10 | Two new benzophenone glucosides from Cratoxylon cochinchinensis显示文摘二新 benzophenone 配糖物从 Cratoxylum cochinchinense 的弄干的茎的 60% 乙醇摘录被孤立。结构作为 3-O-β 被阐明; -d-glucopyranosyl-2′,4,6′-trihydroxy-benzophenone 和 3-O-β -d-glucopyranosyl-2′,5,6′-trihydroxybenzophenone 根据光谱、化学方法。 | Hai Yang Yu San Lin Jin Xue.Zhang Yuan Liu Yang Fu Ou Nai Li Wang Xin Sheng Yao | 2009 | Chinese Chemical Letters2009,20,4: | 2 |
| 11 | Mechanical Properties of Rice Straw Particle/HDPE Composites显示文摘 | Da Ran Fang Fang Li Feng Fang Liu Jia Jun Li Nai Qin Zhao | 2014 | Applied Mechanics and Materials2014,,457: | 1 |
| 12 | Total Synthesis of Three New Dihydrostilbenes from Bulbophllum odoratissimum显示文摘A total synthesis of three new dihydrostilbenes, 1, 2 and 3, which were isolated from Bulbophyllum odoratissimum Lindl. with significant cytotoxicity toward human cancer cell lines, was developed via Horner reaction etc. The natural products 1, 2 and 3 were obtained in 5.8%, 6.6% and 5.9%, respectively. | Jin Guang LIN Wei Ge ZHANG Rui ZHAO Ze Yu NIU Kai BAO Dai Lin LIU Nai Li WANG Xin Shen YAO | 2006 | Chinese Chemical Letters2006,17,3: | 1 |
| 13 | A New Triterpenoid Spaonin Isolated from the Seeds of Aesculus assamica Griff显示文摘A new triterpenoid saponin, 21β-angeloylprotoaescigenin-3β-O-[α-L-rhamnopyranosyl-(l-3)]β-D-glucopyranosiduronic acid 1, was isolated from the seeds of Aesculus assamica Griff. Itsstructure was elucidated on the basis of spectroscopic data analysis. | Hong Wei LIU Xin Sheng YAO Nai Li WANG Guo Ping CAI | 2006 | Chinese Chemical Letters2006,17,2: | 1 |
| 14 | Phytoliths as quantitative indicators for the reconstruction of past environmental conditions in China Ⅱ : palaeoenvironmental recon- struction in the Loess Plateau 显示文摘 | Hou - Yuan Lua Nai - Qin Wu Kam - Biu Liu | 2006 | Quaternary Science Reviews2006,10,006: | 1 |
| 15 | Solid polymer electrolytes in all-solid-state lithium metal batteries:From microstructures to properties显示文摘All-solid-state lithium(Li)metal batteries(ASSLMBs)are considered one of the most promising secondary batteries due to their high theoretical capacity and high safety performance.However,low room-temperature ionic conductivity and poor interfacial stability are two key factors affecting the practical application of ASSLMBs,and our understanding of the mechanisms behind these key problems from microscopic perspective is still limited.In this review,the mechanisms and advanced characterization techniques of ASSLMBs are summarized to correlate the microstructures and properties.Firstly,we summarize the challenges faced by solid polymer electrolytes(SPEs)in ASSLMBs,such as the low roomtemperature ionic conductivity and the poor interfacial stability.Secondly,several typical improvement methods of polymer ASSLMBs are discussed,including composite SPEs,ultra-thin SPEs,SPEs surface modification and Li anode surface modification.Finally,we conclude the characterizations for correlating the microstructures and the properties of SPEs,with emphasis on the use of emerging advanced techniques(e.g.,cryo-transmission electron microscopy)for in-depth analyzing ASSLMBs.The influence of the microstructures on the properties is very important.Until now,it has been difficult for us to understand the microstructures of batteries.However,some recent studies have demonstrated that we have a better understanding of the microstructures of batteries.Then we suggest that in situ characterization,nondestructive characterization and sub-angstrom resolution are the key technologies to help us further understand the batteries'microstructures and promote the development of batteries.And potential investigations to understand the microstructures evolution and the batteries behaviors are also prospected to expect further reasonable theoretical guidance for the design of ASSLMBs with ideal performance. | Zongxi Lin Ouwei Sheng Xiaohan Cai Dan Duan Ke Yue Jianwei Nai Yao Wang Tiefeng Liu Xinyong Tao Yujing Liu | 2023 | Journal of Energy Chemistry2023,,6: | 1 |
| 16 | PDZ-containing proteins provide a functional postsynaptic scaffold for nicotinic receptors in neurons 显示文摘 | Conroy WG Liu Z Nai Q | 2003 | Neuron2003,38,5: | 1 |
| 17 | Critical consideration on the Freeman and Carroll method for evaluating global mass loss kinetics of polymer thermal degradation显示文摘 | LIU Nai FAN Weicheng | 1999 | Thermochimica Acta1999,338,12: | 1 |
| 18 | Synthesis of Calcium Chloroborate Whiskers Via Sedimentation and Sintering Process显示文摘Single crystalline calcium chloroborate(Ca_2B_5O_9Cl) whiskers with uniform diameter have been fabricated by a two-step process. The precursor was firstly prepared by the sedimentation reaction between CaCl_2, H_3BO_3 and Na OH aqueous solutions, and then sintered at different temperatures for 6 h with KCl as flux. The XRD indicates that the product synthesized at 600 °C is Orthorhombic Ca_2B_5O_9Cl. SEM and TEM results show that the Ca_2B_5O_9Cl is whisker with the diameter about 0.2-0.5 μm and the length up to 15 μm. SAED analysis shows that the whisker is single crystalline and grows along [001] direction. The possible formation process and growth mechanism were proposed. | 朱东海 NAI Xueying 兰生杰 DANG Li LIU Xin 李武 | 2017 | Journal of Wuhan University of Technology(Materials Science)2017,32,5: | 1 |
| 19 | Kinetic modeling of thermal decomposition of natural cellulosic materials in air atmosphere 显示文摘 | Liu Nai 'an | 2002 | Journal of Analytical and Applied Pyrolysis2002,63,2: | 1 |
| 20 | Design and Simulation of a Variable Structure Mobile Robot显示文摘 | Da Ran Fang Fang Li Feng Fang Liu Jia Jun Li Nai Qin Zhao | 2014 | Applied Mechanics and Materials2014,,457: | 1 |