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Synthesis and characterization of magnesium hydroxide by batch reaction crystallization

Xingfu SONG, Shuying SUN, Dengke ZHANG, Jin WANG, Jianguo YU

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 4,   Pages 416-421 doi: 10.1007/s11705-011-1125-9

Abstract: Magnesium hydroxide with high purity and uniform particle size distribution was synthesized by the directprecipitation method using MgCl and NaOH as reactive materials and NaCl as additive to improve theanalyzer, X-ray diffraction (XRD), scanning electron microscope (SEM) and Branauer-Emmett-Teller (BET) methodThe purity of products was analyzed by the chemical method.This simple and mild synthesis method was promising to be scaled up for the industrial production of

Keywords： magnesium hydroxide     direct precipitation method     industrial crystallization     particle size distribution    

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Evaluation of precipitation behavior of zirconium molybdate hydrate

Liang ZHANG, Masayuki TAKEUCHI, Tsutomu KOIZUMI, Izumi HIRASAWA

Frontiers of Chemical Science and Engineering 2013, Volume 7, Issue 1,   Pages 65-71 doi: 10.1007/s11705-013-1314-9

Abstract: In order to prevent this accumulation, we have developed a new method based on the controlled reaction

Keywords： spent nuclear fuel     zirconium molybdate hydrate     cleaning method     accumulation    

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Study on direct measurement method of vorticity from particle images

RUAN Xiaodong, FU Xin, YANG Huayong

Frontiers in Energy 2007, Volume 1, Issue 4,   Pages 408-412 doi: 10.1007/s11708-007-0059-1

Abstract: To overcome the shortcomings of conventional methods for vorticity measurement, a new direct measurementof vorticity (DMV) method extracting vorticity from particle images was proposed.

Keywords： conventional     vorticity measurement     particle     DMV     theory    

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A fast compound direct iterative algorithm for solving transient line contact elastohydrodynamic lubrication

Jian LIU,Yuxue CHEN,Zhenzhi HE,Shunian YANG

Frontiers of Mechanical Engineering 2014, Volume 9, Issue 2,   Pages 156-167 doi: 10.1007/s11465-014-0297-7

Abstract:

A fast compound direct iterative algorithm for solving transient line contact elastohydrodynamicFirst, by introducing a special matrix splitting iteration method into the traditional compound directiterative method, the full matrices for the linear systems of equations are transformed into sparsedemonstrate that the new algorithm increases computing speed several times more than the traditional compound directiterative method with the same numerical precision.

Keywords： elastohydrodynamic lubrication     transient     line contact     matrix splitting iteration method     the Thomas method    

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A simple and cheap method for preparation of coupled ZrO2/ZnO with high photocatalytic activities

WANG Zheng, ZHANG Bingru, LI Fengting

Frontiers of Environmental Science & Engineering 2007, Volume 1, Issue 4,   Pages 454-458 doi: 10.1007/s11783-007-0072-7

Abstract: Coupled ZrO/ZnO photocatalyst was prepared with a simple precipitation method with cheap raw

Keywords： objective     ZrO/ZnO photocatalyst     photocatalyst     precipitation     degradation    

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Modeling radiative effects of haze on summer-time convective precipitation over North China: a case study

Xuying WANG, Bin ZHANG

Frontiers of Environmental Science & Engineering 2016, Volume 10, Issue 4, doi: 10.1007/s11783-016-0840-3

Abstract: We modeled the impact of haze radiative effects on precipitation in North China.Convection was the key factor that whether precipitation was enhanced or suppressed.Precipitation was often suppressed where CAPE, RH and updraft velocities were high.The convection was stronger over places with precipitation enhancement over 30 mm.water vapor to rise to a higher level and thus further suppressed precipitation.

Keywords： Haze     Aerosol radiative effects     Convective precipitation    

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Changes in hourly precipitation may explain the sharp reduction of discharge in the middle reach of the

Lin LUO, Zhongjing WANG

Frontiers of Environmental Science & Engineering 2013, Volume 7, Issue 5,   Pages 756-768 doi: 10.1007/s11783-013-0563-7

Abstract: High temporal resolution precipitation (timescales between 1 and 4 h) data from the June to Septemberand significance of monotonic trends, and to find the change points in the mean and variance of the precipitationResults show that although the total amount of precipitation has slightly increased, the average rainfallThe study indicates that changes in hourly precipitation may be responsible for the sharp reduction of

Keywords： precipitation intensity     Mann-Kendall rank statistic     spatial and temporal distribution     climatic change    

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Additive direct-write microfabrication for MEMS: A review

Kwok Siong TEH

Frontiers of Mechanical Engineering 2017, Volume 12, Issue 4,   Pages 490-509 doi: 10.1007/s11465-017-0484-4

Abstract:

Direct-write additive manufacturing refers to a rich and growing repertoire of well-established fabricationAt the macroscale, direct-write techniques such as stereolithography, selective laser sintering, fusedThe technological premises of all direct-write additive manufacturing are identical—convertingWhile still at its infancy, direct-write additive manufacturing techniques at the microscale have theWith current direct-write additive manufacturing technologies, it is possible to fabricate unsophisticated

Keywords： direct-write     additive manufacturing     microfabrication     MEMS    

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of vanadium and manganese from high-manganese containing vanadium wastewater by a solvent extraction-precipitation

Zishuai Liu, Yimin Zhang, Zilin Dai, Jing Huang, Cong Liu

Frontiers of Chemical Science and Engineering 2020, Volume 14, Issue 5,   Pages 902-912 doi: 10.1007/s11705-019-1887-z

Abstract: In this study, an efficient and environmentally friendly method was developed to recover valuable metalsby using a solvent extraction-precipitation process.For the precipitation process, 91.05% of manganese was recovered as MnCO which meets the III grade standardTherefore, this study provides a novel method for the coextraction of V and Mn from HMVW.

Keywords： high-manganese containing vanadium wastewater     solvent extraction     carbonate precipitation     vanadium titano-magnetite    

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LiFePO/C cathode materials synthesized by co-precipitation and microwave heating

XU Yunlong, TAO Lili, MA Hongyan, HUANG Huaqing

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 4,   Pages 422-427 doi: 10.1007/s11705-008-0082-4

Abstract: LiFePO/C cathode materials were synthesized by a combination of co-precipitation and microwave heating

Keywords： polyethylene     electrochemical performance     combination     co-precipitation     diffraction    

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CLIMATE-CHANGE-INDUCED TEMPORAL VARIATION IN PRECIPITATION INCREASES NITROGEN LOSSES FROM INTENSIVE CROPPING

Frontiers of Agricultural Science and Engineering 2022, Volume 9, Issue 3,   Pages 457-464 doi: 10.15302/J-FASE-2022452

Abstract: ListItem>

● A simple model was used to evaluate how increasing temporal variability in precipitation

Keywords： crop yield     fertilizer timing     nitrogen loss     precipitation variability     toy model    

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TRMM satellite onboard instruments and the application on precipitation analysis of their measurements

Fu Yunfei,Liu Qi,Wang Yu,Sun Liang,Li Rui,Ma Ming,Liu Guosheng

Strategic Study of CAE 2012, Volume 14, Issue 10,   Pages 43-50

Abstract:

The method of satellite infrared and passive microwave remote sensingfor precipitation were briefly introduced firstly.rain rate for a summer hot convective precipitation system were brought forth together with analyzingof long time dataset of the TRMM precipitation radar on precipitation climatology in Asia.At last, theprospect of the satellite active and passive remote sensing of precipitation in the near future were

Keywords： TRMM     precipitation radar     microwave imager     spectrum     precipitation    

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Regulation of radicals by hydrogen-donor solvent in direct coal liquefaction

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 12,   Pages 1689-1699 doi: 10.1007/s11705-022-2186-7

Abstract: Radicals are important intermediates in direct coal liquefaction.

Keywords： direct coal liquefaction     hydrogen-donor solvent     induced pyrolysis     radical mechanism     density functional    

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EFFICIENT CONTAMINANT REMOVAL FROM LIQUID DIGESTATE OF PIG MANURE BY CHEMICAL PRECIPITATION AND CO MINERALIZATION

Frontiers of Agricultural Science and Engineering 2023, Volume 10, Issue 3,   Pages 479-491 doi: 10.15302/J-FASE-2023480

Abstract:

● LFD was treated by fly ash-based chemical precipitation and CO

Keywords： anaerobic digestion     chemical oxygen demand     fly ash     ion removal     total phosphate    

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Separation of 1,3-propanediol from glycerol-based fermentations of Klebsiella pneumoniae by alcohol precipitation

GAO Sujun, SUN Yaqin, XIU Zhilong

Frontiers of Chemical Science and Engineering 2007, Volume 1, Issue 2,   Pages 202-207 doi: 10.1007/s11705-007-0037-1

Abstract: The influences of pH and water content in condensed broth on alcohol precipitation and dilution crystallizationThe experimen tal results indicated that alcohol precipitation and dilution crystallization was feasible
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Title Author Date Type Operation

Synthesis and characterization of magnesium hydroxide by batch reaction crystallization

Xingfu SONG, Shuying SUN, Dengke ZHANG, Jin WANG, Jianguo YU

Journal Article

Evaluation of precipitation behavior of zirconium molybdate hydrate

Liang ZHANG, Masayuki TAKEUCHI, Tsutomu KOIZUMI, Izumi HIRASAWA

Journal Article

Study on direct measurement method of vorticity from particle images

RUAN Xiaodong, FU Xin, YANG Huayong

Journal Article

A fast compound direct iterative algorithm for solving transient line contact elastohydrodynamic lubrication

Jian LIU,Yuxue CHEN,Zhenzhi HE,Shunian YANG

Journal Article

A simple and cheap method for preparation of coupled ZrO2/ZnO with high photocatalytic activities

WANG Zheng, ZHANG Bingru, LI Fengting

Journal Article

Modeling radiative effects of haze on summer-time convective precipitation over North China: a case study

Xuying WANG, Bin ZHANG

Journal Article

Changes in hourly precipitation may explain the sharp reduction of discharge in the middle reach of the

Lin LUO, Zhongjing WANG

Journal Article

Additive direct-write microfabrication for MEMS: A review

Kwok Siong TEH

Journal Article

of vanadium and manganese from high-manganese containing vanadium wastewater by a solvent extraction-precipitation

Zishuai Liu, Yimin Zhang, Zilin Dai, Jing Huang, Cong Liu

Journal Article

LiFePO/C cathode materials synthesized by co-precipitation and microwave heating

XU Yunlong, TAO Lili, MA Hongyan, HUANG Huaqing

Journal Article

CLIMATE-CHANGE-INDUCED TEMPORAL VARIATION IN PRECIPITATION INCREASES NITROGEN LOSSES FROM INTENSIVE CROPPING

Journal Article

TRMM satellite onboard instruments and the application on precipitation analysis of their measurements

Fu Yunfei,Liu Qi,Wang Yu,Sun Liang,Li Rui,Ma Ming,Liu Guosheng

Journal Article

Regulation of radicals by hydrogen-donor solvent in direct coal liquefaction

Journal Article

EFFICIENT CONTAMINANT REMOVAL FROM LIQUID DIGESTATE OF PIG MANURE BY CHEMICAL PRECIPITATION AND CO MINERALIZATION

Journal Article

Separation of 1,3-propanediol from glycerol-based fermentations of Klebsiella pneumoniae by alcohol precipitation

GAO Sujun, SUN Yaqin, XIU Zhilong

Journal Article