Hai Lan

Chongqing Jiaotong University

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Guilin Zhou

Chongqing Technology and Business University

Qi Yao

Hohai University

Hongmei Xie

Chongqing Technology and Business University

Biao Zhang

Chinese Academy of Sciences

Yi Jiang

Chinese Academy of Sciences

Taotao Gao

Chengdu University

Hailing Shi

Chongqing Jiaotong University

Fei Li

Dalian University of Technology

Xi Xiao

University Town of Shenzhen

Shanliang Yuan

Chengdu Organic Chemicals (China)

Cooperative Institutions

Chinese Academy of Sciences

Chongqing Technology and Business University

Fujian Institute of Research on the Structure of Matter

Chengdu University

University of Chinese Academy of Sciences

Chongqing Jiaotong University

Chongqing University

Xi'an Jiaotong University

University of Science and Technology of China

Sun Yat-sen University

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Direct conversion of gas-glycerol to Allyl alcohol over V, Ti or Nb modified MoFe/KIT-6 oxide catalysts

Molecular Catalysis (2020)

Hai Lan Qi Yao Yibo Zhou Biao Zhang Yi Jiang

Acrolein

Allyl alcohol

10.1016/j.mcat.2020.111279

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Citations (18)

Role of surface oxygen species of mesoporous CeCu oxide catalyst in OVOCs catalytic combustion

Journal of environmental chemical engineering (2017)

Xiao Tan Hai Lan Hongmei Xie Guilin Zhou Yi Jiang

Catalytic combustion

10.1016/j.jece.2017.03.033

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Citations (28)

Surface reconstructing hierarchical structures as robust sulfion oxidation catalysts to produce hydrogen with ultralow energy consumption

Inorganic Chemistry Frontiers (2023)

Taotao Gao Xiangmin Tang Xiaoqin Li Hai Lan Shumin Yu

The Ni-Co-S/NF electrode derived from surface activation of Ni-doped cobalt carbonate hydroxide shows high SOR catalytic activity, and is applied in a dissymmetrical acid–base coupled system to obtain H 2 and S 8 with ultralow energy consumption.

Base (topology)

10.1039/d2qi02629e

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Citations (36)

Acidic [(Ti, Si)O4] of Ts-1 Molecular Sieves Facilitated Aldehyde Stable Production from Gas-Glycerol Dehydration: Using Liquid Feed of Glycerol-Methanol Solution

SSRN Electronic Journal (2022)

Hai Lan Qi Yao Hailing Shi Pucheng Zhao Biao Zhang

The TS-1 with different Ti contents (TS-1a, -1b, -1c), and Ti-K (TiO2 -SiO2) catalysts were prepared and characterized for gas-glycerol value-added conversion. The acidic [(Ti, Si)O4] was revealed to be the reactive centers for acetaldehyde production with the selectivity closely related with the concentration of [(Ti, Si)O4] and Smicro/SBET values but not the PyB/PyL or surface acid density. The [(Ti, Si)O4] in MFI micro-structure promoted acetaldehyde production from 1-2 dehydration and subsequent cracking of glycerol, better than that over the [(Ti, Si)O4] without MFI micro-structure. Over TS-1c, gas-glycerol conversion reached 91.5 % with the selectivity of acetaldehyde and acrolein reaching about 34.4 % and 29.5 %, respectively. Significantly, it was new found the catalytic stability of TS-1c can be obviously improved as using liquid feed of glycerol-methanol solution.

10.2139/ssrn.4167184

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Determination of trace aluminum in tin ingot by graphite furnace atomic absorption spectrometry

Metallurgical Analysis (2012)

Hai Lan

A method for the determination of trace aluminum in tin ingot by graphite furnace atomic absorption spectrometry was established.The sample decomposition ways and the optimal conditions of determining aluminum by graphite furnace atomic absorption spectrometry was confirmed.Sample was dissolved in hydrochloric acid and hydrogen peroxide(V(hydrochloric acid)∶V(hydrogen peroxide) = 2.5∶1.5).Aluminum was determined in 16 g/L citric acid and 0.12 mol/L hydrochloric acid medium with 4 g/L calcium nitrate as matrix modifier.The results showed that in the selected acidity medium,it was not necessary to volatilize tin that will not be hydrolyzed,and the sample solution was kept clear for a long time.Calcium nitrate improved the measurement sensitivity of aluminum and enhanced resistance to chloride interference.Tin and coexisting elements in sample did not interfere in the determination.The detection limit of this method was 2.96 μg/L.The linear range was between 0 μg/L and 100 μg/L.The correlation coefficient r was not less than 0.998 0.The relative standard deviation for the determination of aluminum in tin ingots was 6.6%,recovery rate was between 100 % to 119%,and the measured values of sample were consistent with that of the standard addition method and ICP-AES.

Hydrochloric acid

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Effects of post-annealing on structural, optical and electrical properties of Al-doped ZnO thin films

Applied Surface Science (2011)

Hao Tong Zhonghua Deng Zhuguang Liu Changgang Huang Jiquan Huang

10.1016/j.apsusc.2010.12.144

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Citations (132)

A Study of the Depth of Field and Its Dominant Factors

Hai Lan

With the help of the principles of geometric optics,this paper infers a mathematics formula of the depth of field as well as its dominant factors of various kinds.

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Effects due to the anisotropic stretching of the surface-fitting grid on the traveltime computation for irregular surface by the coordinate transforming method

Chinese Journal of Geophysics (2012)

Hai Lan

The classical eikonal equation is commonly used in Cartesian coordinate system for problems that involve static correction,prestack migration,earthquake location and seismic tomography,but is less effective for calculating travel times in an earth model that has an irregular surface.We have presented a topography-dependent eikonal equation in a curvilinear coordinate system that makes use of the surface-fitting grid and map a rectangular grid onto a curved grid.Then,we utilized the efficient Lax-Friedrichs sweeping scheme to approximate the viscosity solutions of the eikonal equation in the curvilinear coordinate system.In this paper,we investigate the impacts due to the anisotropic stretching of the surface-fitting grid on the traveltime computation by using the topography-dependent eikonal equation,which has a significant meaning in the direction of our method in geophysical application.

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Ultra-fast preparing carbon nanotube-supported Ni-Fe bimetallic compounds as robust electrocatalysts for oxygen evolution reaction

Fuel (2024)

Taotao Gao Qi An Shumin Yu Xiangrui Feng Bing Li

Bimetallic strip

Oxygen evolution

Carbon fibers

10.1016/j.fuel.2024.134227

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An effective calculation method for conformal array mounted on curved-surface platform

China-Japan Joint Microwave Conference (2011)

Qingqiang He HE Hai-dan Hai Lan Yun Zhang

An effective approach for calculating the far field pattern of conformal arrays mounted on curved-surface platform is proposed. Starting from the superposition principle for arrays, an active element pattern technique including element mutual coupling effects is used to illuminate the radiation characteristics of arrays. A coordinate transform is applied to create polarization quantities, and a general process for the element polarized pattern transformation is performed. And then an active element pattern technique combining with the element polarized pattern transformation are applied to analyze a curved-surface conformal array, which divides a large array analysis problem as a superposition of various simplified small array problems and greatly reduces the computation burden. Numerical results show the proposed method is valid.

Conformal antenna

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