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| 1 | Preparation of Unsupported Molybdenum Phosphide Hydrofining Catalysts显示文摘 | LI Fengyan, ZHAO Tianbo, SUN Guida, LI Cuiqing (Department of Applied Chemistry, Beijing Institute of Petrochemical Technology, Beijing 102617, China) | 2003 | 催化学报2003,24,2: | 10 |
| 2 | Preparation of Hierarchically Trimodal-Porous ZSM-5 Composites through Steam-assisted Conversion of Macroporous Aluminosilica Gel with Two Different Quaternary Ammonium Hydroxides显示文摘This article presents a detailed structural study of a new spherical Mg Cl2-supported Ti Cl4 Ziegler-Natta catalyst for isotactic propylene polymerization, and researches on the relationship between catalyst structure and polymer properties. The spherical support with the chemical composition of CH3CH2 OMg OCH(CH2Cl)2 has been synthesized from a new dispersion system and is used as the supporting material to prepare Ziegler-Natta catalyst. The XRD analysis indicates that the catalyst is fully activated with δ-Mg Cl2 in the active catalyst. The far-IR spectrometric results confirm again the presence of δ-Mg Cl2 in the active catalyst. Textural property of the active catalyst exhibits high surface area coupled with high porosity. The high activity in propylene polymerization is mainly ascribed to the full activation and the porous structure of the catalyst. Scanning electron microscopy/energy dispersive spectrometer mapping results indicate a uniform titanium distribution throughout the catalyst particles. Particle size analysis shows that the catalyst has a narrow particle size distribution. The perfect spherical shape, uniform titanium distribution and narrow particle size distribution of the catalyst confirm the advantage of polymer particles production with less fines. The solid state 13 C NMR and mid-IR spectroscopic analyses indicate that there exists strong complexation between diisobutyl phthalate and Mg Cl2, which leads to the high isotacticity of polypropylene. | Zhao Tianbo Wang Jia Xu Xin Wang Guijie | 2015 | China Petroleum Processing & Petrochemical Technology2015,17,1: | 8 |
| 3 | Preparation and Characterization of High Content Paraffin Wax Microcapsules and Micro/Nanocapsules with Poly Methyl Methacrylate Shell by Suspension-Like Polymerization显示文摘像暂停的聚合方法被用来 poly 获得有高核心的 /paraffin 蜡 microcapsules 和 micro/nanocapsules 满足的甲基 methacrylate (PMMA ) 。粒子尺寸分发(PSD ) 分析显示 microcapsules 的平均粒子尺寸是 | Jiaojiao Zhang Tianbo Zhao Yuqiao Chai Lili Wang | 2017 | Chinese Journal of Chemistry2017,35,4: | 5 |
| 4 | Synthesis of Waterborne Polyurethane Modified by Nano-SiO_2 Silicone and Properties of the WPU Coated RDX显示文摘A series of nano silica/silicone modified waterborne polyurethane(WPU) have been synthesized from polytetramethylene glycol and isophorone diisocyanate, dihydroxymethyl propionic acid and triethylamine, ethylenediamine, trimethylolpropane, nano-SiO2 and the silane coupling agent KH550. The effect of the dosage of nano-SiO2 on the WPU-Si membrane and the coated RDX(cyclotrimethylenetrinitramine) particles have been studied in terms of their surface properties, mechanical properties, and thermal stability. The results showed that with the increase of Si content, the stability of the emulsion reduced gradually. The material with more Si content displayed an increased thermodynamic stability, an increased high temperature resistance, an increased tensile strength and a decreased elongation at break. With the increase of Si content, the surface tension of the material decreased, the bibulous rate reduced, and the contact angle increased gradually, so that the surface tension of the polyurethane and RDX are close to each other which could improve the performance of coating. | Li Yang Zhao Tianbo Qu Xiaoling Ding Hongjing Li Fengyan | 2015 | China Petroleum Processing & Petrochemical Technology2015,17,2: | 4 |
| 5 | Physicochemical Properties and Catalytic Performance of a Novel Aluminosilicate Composite Zeolite for Hydrocarbon Cracking Reaction显示文摘A novel micro-micro/mesoporous aluminosilicate ZSM-5-Y/MCM-41 composite molecular sieve with a MCM-41 type structure was synthesized through a novel process of the self-assembly of CTAB surfactant micellae with silica-alumina source originated from alkaline treatment of ZSM-5 zeolite.The physical properties of the ZSM-5- Y/MCM-41 composite molecular sieve were characterized by XRD,Py-FTIR and N_2 adsorption-desorption techniques. Different kinds of molecular sieves including ZSM-5,Y zeolite,Al-MCM-41,ZSM-5/MCM-41 and ZSM-5-Y/MCM- 41 as cracking catalysts were investigated,using 1,3,5-triisopropylbenzene(1,3,5-TIPB) as the probe molecule.Catalytic tests showed that the ZSM-5-Y/MCM-41 composite molecular sieve exhibited higher catalytic activity compared with the microporous ZSM-5 zeolite,Y zeolite,mesoporous Al-MCM-41 molecular sieve and ZSM-5/MCM-41 composite molecular sieve under the same conditions.The remarkable catalytic activity was mainly attributed to the presence of the hierarchical pore structure and proper acidity in the ZSM-5-Y/MCM-41 composite catalyst.Meanwhile, a carbenium ion mechanism was put forward for the cracking of 1,3,5-TIPB. | Qi Jian Zhao Tianbo Xu Xin Li Fengyan Sun Guida | 2010 | China Petroleum Processing & Petrochemical Technology2010,12,1: | 4 |
| 6 | Synthesis of Hierarchically Porous FAU/γ-Al2O3 Composites with Different Morphologies via Directing Agent Induced Method显示文摘Zeolite FAU composites with a macro/meso-microporous hierarchical structure were hydrothermally synthesized using macro-mesoporous γ-Al_2O_3 monolith as the substrate by means of the liquid crystallization directing agent(LCDA) induced method. No template was needed throughout the synthesis processes. The structure and porosity of zeolite composites were analyzed by means of X-ray powder diffraction(XRD), scanning electron microscopy(SEM) and N_2adsorption-desorption isotherms. The results showed that the supported zeolite composites with varied zeolitic crystalline phases and different morphologies can be obtained by adjusting the crystallization parameters, such as the crystallization temperature, the composition and the alkalinity of the precursor solution. The presence of LCDA was defined as a determinant for synthesizing the zeolite composites. The mechanisms for formation of the hierarchically porous FAU zeolite composites in the LCDA induced synthesis process were discussed. The resulting monolithic zeolite with a trimodal-porous hierarchical structure shows potential applicability where facile diffusion is required. | Wang Jia Zhao Tianbo Li Zunfeng Zong Baoning Du Zexue Zeng Jianli | 2016 | China Petroleum Processing & Petrochemical Technology2016,18,3: | 2 |
| 7 | Method for Control of Particle Size and Morphology of Paraffin/Polystyrene-Divinylbenzene Microcapsules显示文摘Microencapsulation of phase change materials(Micro PCMs) has been paid special attention because of their extensive applications in saving and releasing energy. Micro PCMs containing paraffin with a melting point of 55 ℃ in polystyrene-divinylbenzene(P(St-DVB)) were prepared by suspension-like polymerization. The characterization of microcapsules by FTIR, DSC and TG proved that paraffin had been successfully encapsulated and the proportion of encapsulated paraffin was 49.8%—58.5%. The effects of polyvinylpyrrolidone(PVP) with different molecular weights serving as the suspension stabilizer were investigated in detail. The results illustrated that the type of PVP had a significant influence on the particle size of Micro PCMs. The average diameter of Micro PCMs decreased with an increasing molecular weight of PVP. Moreover, the crosslinker-postaddition method was adopted in this study to improve the morphology of P(St-DVB) Micro PCMs. SEM images showed that when the DVB was added at the 2nd hour of polymerization the morphology of obtained P(St-DVB) Micro PCMs exhibited good sphericity since it could avoid the influence of cross-linker agent during the nucleation period. | Wang Lili Zhao Tianbo Li Yang Ding Hongjing | 2016 | China Petroleum Processing & Petrochemical Technology2016,18,1: | 2 |
| 8 | Factors Influencing Droplet Size of Silicone Oil Emulsion with High Solid Content显示文摘A silicone oil emulsion with 60% of solid content was prepared with methyl silicone oil used as the main material by means of the emulsifier-in-oil method.The influence of emulsification conditions on the droplet diameter of silicone oil emulsion was discussed.The experimental results showed that the emulsification method,including the quantity of the emulsifier,the time and temperature of emulsification,the emulsifying water dosage,and the stirring speed,had significant impact on the droplet size.The optimal conditions were identified to achieve a smallest droplet diameter of the emulsion at an emulsifier dosage of 6%,an emulsification temperature of 70 ℃,an emulsification time of 30 min,and a stirring speed of 1100 r/min,with water added in two portions at a ratio of 1:1.The high-solid content silicone oil emulsion with a mean droplet diameter of 2.731 μm was prepared under these conditions that could ensure absence of stratification and floating oil under centrifuging at a speed of 3000 r/min for 30 min. | Li Fengyan Zhu Wenli Zhao Tianbo Dai Danghui Yang Fang | 2011 | China Petroleum Processing & Petrochemical Technology2011,13,3: | 2 |
| 9 | Hydrothermal synthesis of size controlled silicalite 1 crystals显示文摘 | Qi Jian Zhao Tianbo Xu Xin | 2011 | J Porous Mater2011,18,4: | 1 |
| 10 | Synthesis of monolithic zeolite beta with hierarchical porosity using car- bon as a transitional template显示文摘 | Tong Yangehuan Zhao Tianbo Li Fengyan | 2006 | Chemistry of Materials2006,18,18: | 1 |
| 11 | Excellent Cracking Performance of Macroporous Amorphous Aluminosilicate Catalyst显示文摘测微计规模 macroporous 铝矽酸盐催化剂经由大音阶的第五音胶化过程被准备。1,3,5-triisopropylbenzene 的催化裂开的结果证明综合铝矽酸盐催化剂在一样的条件下面比传统的 ZSM-5 沸石展出了许多更高的活动。值得提到铝矽酸盐的聚合物产品选择比 ZSM-5 的低得多,它可能为实现催化裂开过程是有用的。有 interconnected-macropores 和连续骨骼的 macroporous 铝矽酸盐的唯一的结构被相信为它的优秀催化活动和低聚合物产品选择负责。反应小径的详细讨论也被进行。 | Xu Xin Zhao Tianbo Qi Jian Miao Ce (The Institute for Chemical Physics,Beijing Institute of Technology,Beijing 100081) | 2010 | China Petroleum Processing & Petrochemical Technology2010,12,2: | 1 |
| 12 | Hierarchically Structured Monolithic ZSM-5 through Macroporous Silica Gel Zeolitization显示文摘The hierarchically structured ZSM-5 monolith was prepared through transforming the skeletons of the macroporous silica gel into ZSM-5 by the steam-assisted conversion method. The morphology and monolithic shapes of macroporous silica gel were well preserved. The hierarchically structured ZSM-5 monolith exhibited the hierarchical porosity, with mesopores and macropores existing inside the macroporous silica gel, and micropores formed by the ZSM-5. The products have been characterized properly by using the XRD, SEM and N2 adsorption–desorption methods. | Lei Qian Zhao Tianbo Li Fengyan Zong Baoning Tong Yangchuan | 2006 | China Petroleum Processing & Petrochemical Technology2006,8,1: | 1 |
| 13 | Scaled down model design of shaking table test of Taizhou Bridge显示文摘Taizhou Bridge is the first kilometer level three-pylon two-span suspension bridge in the world and the structural complexity has significant effects on the seismic performance of the bridge. Shaking table test of Taizhou Bridge is arranged to investigate the effects of non-uniform ground motion input, collision between main and side spans and optimal seismic structural system. It's very important and difficult to design and manufacture the scaled down model of Taizhou Bridge used during the shaking table test. The key point is that the girder and pylons are very hard to be manufactured if the similarity ratio is strictly followed. Based on the finite element method (FEM) analysis, a simplified scaled down model is designed and the bending stiffness of the girder and pylon are strictly simulated, and the torsion stiffness and axial stiffness are not strictly simulated. The inner forces and displacements of critical sections, points of simplified model and theoretical model are compared by FEM analysis, and it's found out that the difference between the seismic responses is relatively small. So, the simplified model can be used to conduct the shaking table test by the FEM verification. | Yan Jukao Han Lei Zhao Yi Peng Tianbo | 2012 | Engineering Sciences2012,10,3: | 1 |
| 14 | Preparation and Analysis of Thermal and Mechanical Properties of HTPB-type Polyurethane Elastomer Containing Paraffin Microcapsules显示文摘Two microcapsules with different paraffin phase changes were prepared using styrene-divinylbenzene copolymer and melamine resin as the capsule wall and paraffin(with a melting point of 50°C)as the capsule core.The microcapsules were directly added to the hydroxyl terminated polybutadiene(HTPB)-polyurethane elastomer system to fabricate the polyurethane elastomer composites.The thermodynamic stability and mechanical properties of the material were then studied.The results show that the thermal stability of the polyurethane elastomer does not decrease after adding paraffin phase change microcapsules,and the thermal stability of the polyurethane elastomer with melamine resin as the wall increases.Tensile strength increased from 367 kPa to 797 kPa,and compression strength increased from 245.9 N to 344.7 N.In addition,capsule walls comprised different monomers/paraffin microcapsules of the copolymer of styrene and divinylbenzene.The optimal mechanical property was obtained at a monomer/paraffin ratio of 1:1.The compression strength increased and the tensile strength decreased.The tensile strength of the microcapsule with melamine resin capsule wall and the compression strength of the microcapsule with polystyrene capsule wall were considerably improved. | Ding Hongjing Zhao Tianbo Wang Lili | 2020 | China Petroleum Processing & Petrochemical Technology2020,22,3: | 1 |
| 15 | Preparation and Characterization of High-Temperature Non-Flowing Diurea/Paraffin/Oil Composites as Form-Stable Phase Change Materials显示文摘 | Hongyu Li Tianbo Zhao Lili Wang | 2017 | Chinese Journal of Chemistry2017,35,7: | 1 |
| 16 | Fabrication of Hierarchically Porous FAU/α-Al_(2)O_(3) Monoliths via Gel Pre-aging Routes Using Seed Gel as Directing Agent显示文摘Hierarchically porous FAU monoliths were synthesized via the gel pre-aging route using seed gel as directing agent andα-Al2O3 as monolithic carrier.The as-synthesized samples were characterized by means of the Fourier transform infrared spectroscopy(FT-IR),X-ray powder diffraction(XRD),scanning electron microscopy(SEM),and N2 adsorption techniques.The effects of seed gel,gel pre-treatment,and gel pre-aging step were determined,while the possible mechanism for formation of alumina composites via different synthesis processes were discussed.The results showed that the crystal size,the shape,and the loading of the supported FAU could be readily tuned by varying the composition of the crystallization gel without notably changing the structure ofα-Al2O3.The proposed seed gel pre-treating and gel pre-aging route are simple,reproducible,and practically easy to integrate triple porous structures into large-dimension monoliths,which are proved to be very effective in depositing pure FAU crystals on theα-Al2O3 skeleton surface and strengthening the interfacial interaction between them.Moreover,it may provide inspiration to the synthesis of other hierarchical zeolites. | Wang Jia Jin Qibing Zhao Tianbo | 2020 | China Petroleum Processing & Petrochemical Technology2020,22,4: | 1 |
| 17 | Electron-ion collider in China显示文摘Lepton scattering is an established ideal tool for studying inner structure of small particles such as nucleons as well as nuclei.As a future high energy nuclear physics project,an Electron-ion collider in China(EicC)has been proposed.It will be constructed based on an upgraded heavy-ion accelerator,High Intensity heavy-ion Accelerator Facility(HIAF)which is currently under construction,together with a new electron ring.The proposed collider will provide highly polarized electrons(with a po-larization of 80%)and protons(with a polarization of 70%)with variable center of mass energies from 15 to 20 GeV and the luminosity of(2–3)×1033 cm^(−2)·s^(−1).Polarized deuterons and Helium-3,as well as unpolarized ion beams from Carbon to Uranium,will be also available at the EicC.The main foci of the EicC will be precision measurements of the structure of the nucleon in the sea quark region,including 3D tomography of nucleon;the partonic structure of nuclei and the parton interaction with the nuclear environment;the exotic states,especially those with heavy flavor quark contents.In addition,issues fundamental to understanding the origin of mass could be addressed by measurements of heavy quarkonia near-threshold production at the EicC.In order to achieve the above-mentioned physics goals,a hermetical detector system will be constructed with cutting-edge technologies.This document is the result of collective contributions and valuable inputs from experts across the globe.The EicC physics program complements the ongoing scientific programs at the Jefferson Laboratory and the future EIC project in the United States.The success of this project will also advance both nuclear and particle physics as well as accelerator and detector technology in China. | Daniele PAnderle Valerio Bertone Xu Cao Lei Chang Ningbo Chang Gu Chen Xurong Chen Zhuojun Chen Zhufang Cui Lingyun Dai Weitian Deng Minghui Ding Xu Feng Chang Gong Longcheng Gui Feng-Kun Guo Chengdong Han Jun He Tie-Jiun Hou Hongxia Huang Yin Huang KrešImir KumeričKi LPKaptari Demin Li Hengne Li Minxiang Li Xueqian Li Yutie Liang Zuotang Liang Chen Liu Chuan Liu Guoming Liu Jie Liu Liuming Liu Xiang Liu Tianbo Liu Xiaofeng Luo Zhun Lyu Boqiang Ma Fu Ma Jianping Ma Yugang Ma Lijun Mao Cédric Mezrag HervéMoutarde Jialun Ping Sixue Qin Hang Ren Craig DRoberts Juan Rojo Guodong Shen Chao Shi Qintao Song Hao Sun PawełSznajder Enke Wang Fan Wang Qian Wang Rong Wang Ruiru Wang Taofeng Wang Wei Wang Xiaoyu Wang Xiaoyun Wang Jiajun Wu Xinggang Wu Lei Xia Bowen Xiao Guoqing Xiao Ju-Jun Xie Yaping Xie Hongxi Xing Hushan Xu Nu Xu Shusheng Xu Mengshi Yan Wenbiao Yan Wencheng Yan Xinhu Yan Jiancheng Yang Yi-Bo Yang Zhi Yang Deliang Yao Zhihong Ye Peilin Yin C-PYuan Wenlong Zhan Jianhui Zhang Jinlong Zhang Pengming Zhang Yifei Zhang Chao-Hsi Chang Zhenyu Zhang Hongwei Zhao Kuang-Ta Chao Qiang Zhao Yuxiang Zhao Zhengguo Zhao Liang Zheng Jian Zhou Xiang Zhou Xiaorong Zhou Bingsong Zou Liping Zou | 2021 | Frontiers of physics2021,16,6: | 1 |
| 18 | Hydrothermal Synthesis and Mechanism for Formation of Novel Micro-Micro-Mesoporous Aluminosilicate Composite Zeolite显示文摘新奇 micro-micro-mesoporous 铝矽酸盐 LS-BFMZ (有 MCM-41 类型结构的 low-silica-BEA (贝它) -faujasite(Y)-mesoporous)composite 沸石通过包含的一个新奇过程被综合 selfassembly ,有硅石氧化铝的 CTAB 表面活化剂 micellae ,来源从贝它 zeolite.The 的碱的处理发源 LS-BFMZ 合成沸石的物理性质用各种各样的技术被描绘,包括 XRD ,红外和 SEM techniques.Meanwhile 。 | QiJian Zhao Tianbo Xu Xin Li Fengyan Sun Guida | 2010 | China Petroleum Processing & Petrochemical Technology2010,12,3: | 1 |
| 19 | Preparation of ZSM-5 Coated on Monolithic Interconnected Macroporous Al2O3 Using Cheap n-Butylamine as Template显示文摘 | Mingliang Sun Tianbo Zhao Jia Wang Zhaofei Ma Fengyan Li | 2015 | Chinese Journal of Chemistry2015,33,9: | 1 |
| 20 | Preparation and characterization of CuO/SiO2 and NiO/SiO2 with bimodal pore structure by sol-gel method显示文摘 | Zheng Mingfang Zhao Tianbo Xu Wenguo | 2006 | J Sol-Gel Sci Techn2006,39,: | 1 |