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State-of-the-Art High Purity Water

Wen Ruimei

Strategic Study of CAE 2000, Volume 2, Issue 1,   Pages 68-72

Abstract:

In this paper, the relationship between the ultra large scale integrated circuits (ULSI) and highpurity water and the demands for water quality are described.Several key new techniques of high puritywater fabrication are studied.A method for improving the quality of high purity water is proposed, which can effectively decrease thepurity water caused by various pipe materials is described.Some data and examples of author´s

Keywords： High purity water     Ultra large scale integrated circuits     Total organic carbon     Bacteria and Bacterial endotoxins    

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Sulfate digestion process for high purity TiO

T. A. LASHEEN

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 2,   Pages 155-160 doi: 10.1007/s11705-009-0005-z

Abstract: A titania slag product of Rosetta ilmenite assaying 72% TiO is treated by the sulfate process option of the pigmentary TiO manufacture. The relevant factors of acid concentration, particle size, slag/acid ratio besides the reaction temperature, and time have been studied. After dissolving the cured mass in dilute acid and clarification, the obtained solution was subjected to hydrolysis of its titanium content. The final product was bleached under reducing conditions to redissolve the residual coloring impurities before being dewatered and calcinated. The obtained results indicated that a leaching efficiency of about 92% was realized due to the presence of some refractory components in the working slag material, namely, rutile and magnesium iron titanate. The obtained white pigment assay attained up to 99.85% TiO , while the analyzed impurities involve 77 ppm Mn and only 14 and 7 ppm of total iron and V, respectively.

Keywords： titania     slag     sulfate process     pigment    

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High purity Mn

Xiaoqiang SHAN, Fenghua GUO, Wenqian XU, Xiaowei TENG

Frontiers in Energy 2017, Volume 11, Issue 3,   Pages 383-400 doi: 10.1007/s11708-017-0485-3

Abstract: Developing electrodes with high specific energy by using inexpensive manganese oxides is of great importanceIn this paper, the synthesis of high purity layered Mn O nanoparticles through solid state thermal treatment

Keywords： manganese oxides Mn5O8     high voltage     aqueous Na-ion storage    

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Independent Innovation in the Rejuvenation of Chinese Soybean Processing

Li Ronghe,Jiang Haokui

Strategic Study of CAE 2006, Volume 8, Issue 10,   Pages 80-84

Abstract: albumen, short peptide, nucleic acid, isoflavone, saponins, and oligosaccharide from soybean meal at hightemperature; 2) The method to extract compound soybean functional gene from defatted soybean meal at highThese two methods target at “high-temperature soybean meal”.which is the byproduct of lipidThe extracted products include： 1) High-purity soybean oligopeptide (albumen content≥92% ; NSI value100% ; solubility 100% ) ;2) High-purity soybean isoflavone (total isoflavone content ≥92% ：G:D&ge

Keywords： soybean processing     high-purity soybean oligopeptide     high-purity soybean isoflavone     soybean composite    

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Development of High-purity Metal Sputtering Targets for Integrated Circuits

He Jinjiang , Lyu Baoguo , Jia Qian , Ding Zhaochong , Liu Shuqin ,Luo Junfeng , Wang Xingquan

Strategic Study of CAE 2023, Volume 25, Issue 1,   Pages 79-87 doi: 10.15302/J-SSCAE-2023.01.003

Abstract:

High-purity metal sputtering target is one of the key basic materialsThis study analyzes the application demand for and development status of high-purity metal sputteringtargets for integrated circuits, involving high-purity aluminum and aluminum alloys, high-purity copperand copper alloys, high-purity titanium, high-purity tantalum, high-purity cobalt, high-purity nickelplatinum, and high-purity tungsten and tungsten alloys.

Keywords： high-purity metal     sputtering target     integrated circuit     thin film     metallization    

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Isolation of highly purity cellulose from wheat straw using a modified aqueous biphasic system

Lifeng YAN, Yi ZHAO, Qing GU, Wan LI

Frontiers of Chemical Science and Engineering 2012, Volume 6, Issue 3,   Pages 282-291 doi: 10.1007/s11705-012-0901-5

Abstract: Cellulose samples with molecular weights ranging from 8.39 × 10 to 11.00 × 10 g/mol were obtained from wheat straw. The dewaxed wheat straw was pretreated with aqueous hydrochloric acid followed by delignification using an environmentally benign poly(ethyleneglycol)/salt aqueous biphasic system. The yield of cellulose was in the range of 48.9%–55.5% and the cellulose contained 1.2%–3.2% hemicelluloses, and 0.97%–3.47% lignin. All the isolated cellulose samples could be directly dissolved in a 6 wt-% NaOH/4 wt-% urea aqueous solution through a precooling-thawing process to form a homogenous solution. The separation process was investigated and the obtained cellulose and its solution were characterized by Fourier transform infrared spectroscopy, scanning electron microscopy and energy dispersive X-ray apparatus, and X-ray diffraction. The results revealed that aqueous soluble cellulose can be directly prepared from wheat straw by this method and this study opens a novel pathway to prepare cellulosic materials from agricultural waste.

Keywords： cellulose     straw     separation     aqueous solution    

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HIGH QUALITY DEVELOPMENTAL APPROACH FOR SOIL AND WATER CONSERVATION AND ECOLOGICAL PROTECTION ON THE

Frontiers of Agricultural Science and Engineering 2021, Volume 8, Issue 4,   Pages 501-511 doi: 10.15302/J-FASE-2021425

Abstract: Loess Plateau is the core area in the Yellow River basin for implementing environmental protection and high-qualityA series of ecological projects has implemented aimed at soil and water conservation and ecological managementstriking the optimum balance between rural industry and ecology, and increased regional capacity to supply high-qualityCountermeasures to address the problems are suggested to guide ecological management and high-quality

Keywords： ecological management     high quality development     industrial structure     soil erosion     soil and water    

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Dynamics simulation of bottom high-sediment sea water movement under waves

Xueyi YOU , Wei LIU , Houpeng XIAO ,

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 3,   Pages 312-315 doi: 10.1007/s11709-009-0037-y

Abstract: The movement of bottom high-sediment sea water under water waves, especially that of the high-sedimentSupposing that the high-sediment sea water is a Newtonian fluid, based on Navier-Stokes (N-S) theory,the movement of the interfaces of air-water and water-sediment water was tracked by the volume of fluidThe velocity field of sediment water was simulated by considering the effect of water waves.water-sediment water interface movement on the air-water interface is not obvious.

Keywords： volume of fluid (VOF) method     high sediment sea water     numerical simulation     interface trace     Navier-Stokes    

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Preparation of reverse osmosis membrane with high permselectivity and anti-biofouling properties for

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 7, doi: 10.1007/s11783-021-1497-0

Abstract:

• Nanoparticle incorporation and anti-biofouling grafting were integrated.

Keywords： Anti-biofouling grafting     Nanoparticle incorporation     Sterilization rates     Water flux     Water flux recovery    

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Experimental study on high-efficiency polishing for potassium dihydrogen phosphate (KDP) crystal by usingtwo-phase air–water fluid

Ziyuan LIU, Hang GAO, Dongming GUO

Frontiers of Mechanical Engineering 2020, Volume 15, Issue 2,   Pages 294-302 doi: 10.1007/s11465-019-0576-4

Abstract: A high-efficiency polishing approach using two-phase air–water fluid (TAWF) is proposed to avoid surfacecontamination and solve the inefficiency of previous water-dissolution polishing techniques for potassium

Keywords： potassium dihydrogen phosphate (KDP) crystal     controllable deliquescence     two-phase air–water fluid     high-efficiency    

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An experimental study for optimization of high range water reducing superplasticizer in self compacting

Rahul DUBEY, Pardeep KUMAR

Frontiers of Structural and Civil Engineering 2013, Volume 7, Issue 1,   Pages 62-71 doi: 10.1007/s11709-013-0192-z

Abstract: With increase in technical knowhow, the need of research for high performance concretes such as self-compactingAlthough with the advent of chemical admixtures, it is possible to achieve concrete with high fluidityTo have these fresh state properties SCC mixes are typically designed with high powder contents, and

Keywords： self-compacting concrete (SCC)     fresh properties     superplasticizer     optimization     compressive strength    

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Approaches to achieve high grain yield and high resource use efficiency in rice

Jianchang YANG

Frontiers of Agricultural Science and Engineering 2015, Volume 2, Issue 2,   Pages 115-123 doi: 10.15302/J-FASE-2015055

Abstract: spikelets and enhancing harvest index are three important approaches to achieving the dual goal of highgrain yield and high resource use efficiency.growing season, and non-flooded straw mulching cultivation, could substantially increase grain yield and waterFurther research is needed to understand synergistic interaction between water and N on crop and soiland the mechanism underlying high resource use efficiency in high-yielding rice.

Keywords： rice     nitrogen-efficient cultivar     grain fill     harvest index     nitrogen use efficiency     water use efficiency    

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A thermoelectric generator and water-cooling assisted high conversion efficiency polycrystalline silicon

Zekun LIU, Shuang YUAN, Yi YUAN, Guojian LI, Qiang WANG

Frontiers in Energy 2021, Volume 15, Issue 2,   Pages 358-366 doi: 10.1007/s11708-020-0712-1

Abstract: efficiency of solar energy, a hybrid system composed of the PV cell, a thermoelectric generator (TEG), and a water-cooled

Keywords： photovoltaic (PV)     thermoelectric generator     conversion efficiency     hybrid energy systems     water-cooled plate    

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The energy-free purification of trace thallium(I)-contaminated potable water using a high-selective filter

Frontiers of Chemical Science and Engineering doi: 10.1007/s11705-023-2379-8

Abstract: Thallium is a highly toxic metal, and trace amount of thallium(I) (Tl+) in potable water couldcause a severe water crisis, which arouses the exploitation of highly-effective technology for purificationof Tl+ contaminated water.of PB layers on Tl+ removal by PBx@PDA/PEI-FP from simulated drinking waterMost importantly, PB2@PDA/PEI-FP displayed the high-efficiency and high-selectivity in purifying

Keywords： membrane adsorption     Prussian blue     energy-free filtration     potable water     trace thallium(I)    

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High-entropy catalysts for electrochemical water-electrolysis of hydrogen evolution and oxygen evolution

Frontiers in Energy doi: 10.1007/s11708-023-0892-6

Abstract: High entropy materials (HEMs) have developed rapidly in the field of electrocatalytic water-electrolysisIn this paper, the preparation strategies and applications of HEM catalysts in electrochemical water-electrolysisThe application of HEMs as catalysts for electrochemical water-electrolysis in recent years is emphatically

Keywords： high-entropy     electrocatalysis     synthetic methods     water-electrolysis     hydrogen and oxygen evolutions    

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Title Author Date Type Operation

State-of-the-Art High Purity Water

Wen Ruimei

Journal Article

Sulfate digestion process for high purity TiO

T. A. LASHEEN

Journal Article

High purity Mn

Xiaoqiang SHAN, Fenghua GUO, Wenqian XU, Xiaowei TENG

Journal Article

Independent Innovation in the Rejuvenation of Chinese Soybean Processing

Li Ronghe,Jiang Haokui

Journal Article

Development of High-purity Metal Sputtering Targets for Integrated Circuits

He Jinjiang , Lyu Baoguo , Jia Qian , Ding Zhaochong , Liu Shuqin ,Luo Junfeng , Wang Xingquan

Journal Article

Isolation of highly purity cellulose from wheat straw using a modified aqueous biphasic system

Lifeng YAN, Yi ZHAO, Qing GU, Wan LI

Journal Article

HIGH QUALITY DEVELOPMENTAL APPROACH FOR SOIL AND WATER CONSERVATION AND ECOLOGICAL PROTECTION ON THE

Journal Article

Dynamics simulation of bottom high-sediment sea water movement under waves

Xueyi YOU , Wei LIU , Houpeng XIAO ,

Journal Article

Preparation of reverse osmosis membrane with high permselectivity and anti-biofouling properties for

Journal Article

Experimental study on high-efficiency polishing for potassium dihydrogen phosphate (KDP) crystal by usingtwo-phase air–water fluid

Ziyuan LIU, Hang GAO, Dongming GUO

Journal Article

An experimental study for optimization of high range water reducing superplasticizer in self compacting

Rahul DUBEY, Pardeep KUMAR

Journal Article

Approaches to achieve high grain yield and high resource use efficiency in rice

Jianchang YANG

Journal Article

A thermoelectric generator and water-cooling assisted high conversion efficiency polycrystalline silicon

Zekun LIU, Shuang YUAN, Yi YUAN, Guojian LI, Qiang WANG

Journal Article

The energy-free purification of trace thallium(I)-contaminated potable water using a high-selective filter

Journal Article

High-entropy catalysts for electrochemical water-electrolysis of hydrogen evolution and oxygen evolution

Journal Article