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Effect of hot water pre-extraction of bamboo on ECF bleaching performance of its kraft pulps

Hu Huichao,Zhan Huaiyu,Huang Liulian and Chen Lihui

Strategic Study of CAE 2014, Volume 16, Issue 4,   Pages 96-100

Abstract:

In this paper，three hot water pre-extraction H-factors (0，500 and 1 000The effect of hot water pre-extraction on the elemntal chlorine free（ECF）bleaching performance of bambooThe results indicate that hot water pre-extraction before kraft pulping could obtain higher decreasingbleached pulp at the same total active chlorine factor.For the same brightness bleached pulp (85 %ISO)，hotwater pre- extraction could save 1.4 % bleaching chemical，but the PC number was slightly higher.

Keywords： hot water pre-extractior     kraft pulping     DQP bleaching     bamboo    

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Feasibility study on hot dry rock assisted oil recovery technique

Wang Xuezhong

Strategic Study of CAE 2011, Volume 13, Issue 3,   Pages 104-106

Abstract: Also we need to reduce formation damage, so we launched hot dry rock(HDR) assisted oil recovery feasibilityHDR assisted oil recovery extracted heat reservoir of underground thermal energy by hot dry rock to reduceStudies have shown that hot dry rock assisted oil recovery technology had strong pertinence and effectivelyIt is advised that hot dry rock assisted oil recovery pilot test should be carried out firstly in the

Keywords： hot fry rock assist oil recovery     damage by cold water     thermal heavy oil     hot water injection     aquathermolysis    

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A hot future for cool materials

Frontiers in Energy 2023, Volume 17, Issue 4,   Pages 447-449 doi: 10.1007/s11708-022-0854-4

Abstract: The widespread need to pump heat necessitates improvements that will increase energy efficiency and, more generally, reduce environmental impact. As discussed at the recent Calorics 2022 Conference, heat-pump devices based on caloric materials offer an intriguing alternative to gas combustion and vapor compression.

Keywords： magnetocaloric     electrocaloric     mechanocaloric     elastocaloric     barocaloric    

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Occurance and control of manganese in a large scale water treatment plant

Youjun CHEN,Feng XIAO,Yongkang LIU,Dongsheng WANG,Ming YANG,Hua BAI,Jiong ZHANG

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 1,   Pages 66-72 doi: 10.1007/s11783-014-0637-1

Abstract: variations of dissolved oxygen (DO), manganese (Mn), pH, and their effect on manganese removal by different waterpH value in the bottom of reservoir results in the increasing release of Mn from sediment to source water0.1 to 0.4 mg·L under the condition that DO concentration decreased from 12.0 to 2.0 mg·L in raw waterThe different water treatment processes exhibited different efficiency on manganese removal.During a high release of manganese in raw water, traditional coagulation-sedimentation and filtration

Keywords： manganese release     dissolved oxygen     settling filtration     pre-oxidation    

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Flexibility Prediction of Aggregated Electric Vehicles and Domestic Hot Water Systems in Smart Grids Article

Junjie Hu, Huayanran Zhou, Yihong Zhou, Haijing Zhang, Lars Nordströmd, Guangya Yang

Engineering 2021, Volume 7, Issue 8,   Pages 1101-1114 doi: 10.1016/j.eng.2021.06.008

Abstract: aggregated flexibility of two types of DR resources, that is, electric vehicles (EVs) and domestic hotwater system (DHWS).

Keywords： Load flexibility     Electric vehicles     Domestic hot water system     Temporal convolution network-combined    

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Wheel tracking methods to evaluate moisture sensitivity of hot-mix asphalt mixtures

Jie HAN,Harihar Shiwakoti

Frontiers of Structural and Civil Engineering 2016, Volume 10, Issue 1,   Pages 30-43 doi: 10.1007/s11709-016-0318-1

Abstract: Existing test methods to determine moisture sensitivity in hot-mix asphalt (HMA) mixtures are time consuming

Keywords： hot-mix asphalt     moisture sensitivity     rutting     wheel tracking test    

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Process improvement in laser hot wire cladding for martensitic stainless steel based on the Taguchi method

Zilin HUANG,Gang WANG,Shaopeng WEI,Changhong LI,Yiming RONG

Frontiers of Mechanical Engineering 2016, Volume 11, Issue 3,   Pages 242-249 doi: 10.1007/s11465-016-0397-7

Abstract:

Laser hot wire cladding, with the prominent features of low heat input, high energy efficiency, and

Keywords： process optimization     Taguchi method     signal-to-noise (S/N) ratio     volumetric defect ratio     laser hot wire    

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Survey of thermal comfort in residential buildings under natural conditions in hot humid and cold wet

Changhai PENG

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 4,   Pages 503-511 doi: 10.1007/s11709-010-0095-1

Abstract: These, however, are often difficult to comply with, particularly in hot humid and cold wet seasons inFurther, the variation of people’s hot or cold sensations is in proportion to that of air movement, andThe range of acceptable temperatures in hot humid and cold wet Nanjing is between 14.14°C and 29.42°C

Keywords： thermal comfort     naturally conditioned     hot humid     cold wet     Nanjing    

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A review on research and development of iron-based sorbents for removal of hydrogen sulfide from hot

Jianglong YU, Liping CHANG, Fan LI, Kechang XIE

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 529-535 doi: 10.1007/s11705-010-0519-4

Abstract: systems for clean energy conversion, it is essential to remove impurities such as sulfur species from hotA two-step desulphurization process for hot coal gas cleanup is highlighted, which is integrated with

Keywords： hot coal gas cleanup     iron-based sorbents     sulfidation     regeneration     sulphur recovery    

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Nonlinear analysis of pre-tensioned glass wall facade by stability function with initial imperfection

Siu-Lai CHAN, Yaopeng LIU, Andy LEE,

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 376-382 doi: 10.1007/s11709-010-0086-2

Abstract: Pre-tensioned high strength trusses using alloy steel bar are widely used as glass wall supporting systemsvarious effects, such as support settlement due to live loads and material creep, temperature change, pre-tension

Keywords： tension system     glass wall     nonlinear analysis     pre-tensioning     second-order analysis    

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Desulfurization performance of iron-manganese-based sorbent for hot coal gas

Xiurong REN, Weiren BAO, Fan LI, Liping CHANG, Kechang XIE

Frontiers of Chemical Science and Engineering 2010, Volume 4, Issue 4,   Pages 429-434 doi: 10.1007/s11705-010-0504-y

Abstract: sorbents were prepared by co-precipitation and physical mixing method, and used for H S removal from hot

Keywords： iron-manganese-based sorbent     sulfidation performance     regeneration     hot coal gas    

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Impingement of hollow cone spray on hot porous medium

ZHAO Zhiguo, XIE Maozhao

Frontiers in Energy 2008, Volume 2, Issue 3,   Pages 273-278 doi: 10.1007/s11708-008-0048-8

Abstract: formation of homogenous mixture in a porous medium engine, the interaction between hollow cone spray and hotmodel to describe the structure of the porous medium, the interaction between hollow cone spray and hot

Keywords： improved version     simple     impingement     atomization     hollow    

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Dynamic characteristics of molten droplets and hot particles falling in liquid pool

Liangxing LI, Weimin MA, Huixiong LI, Tingkuan CHEN,

Frontiers in Energy 2010, Volume 4, Issue 2,   Pages 246-251 doi: 10.1007/s11708-009-0077-y

Abstract: The dynamic characteristics of molten droplets and hot particles at the very beginning of their fallThe falling course of a single droplet or a single hot particle was recorded by a high-speed camera and

Keywords： dynamic characteristics     molten droplets     high-temperature particles     fuel and coolant interactions    

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A pre-compensation method of the systematic contouring error for repetitive command paths

D. L. ZHANG,Y. H. CHEN,Y. P. CHEN

Frontiers of Mechanical Engineering 2015, Volume 10, Issue 4,   Pages 367-372 doi: 10.1007/s11465-015-0367-5

Abstract:

For a repetitive command path, pre-compensating the contouring error by modifying the command pathTo obtain the pre-compensation value with better accuracy, this paper proposes the use of a back propagationFurthermore, by using the extracted function, the contouring error can be easily pre-compensated.

Keywords： contouring error     pre-compensation     motion control system     back propagation (BP) neural network    

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Experimental and parametrical investigation of pre-stressed ultrahigh-performance fiber-reinforced concrete

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 3,   Pages 411-428 doi: 10.1007/s11709-023-0928-3

Abstract: In this study, ultrahigh-performance fiber-reinforced concrete (UHPFRC) used in a type B70 concrete sleeper is investigated experimentally and parametrically. The main parameters investigated are the steel fiber volume fractions (0%, 0.5%, 1%, and 1.5%). Under European standards, 35 UHPFRC sleepers are subjected to static bending tests at the center and rail seat sections, and the screw on the fastening system is pulled out. The first cracking load, failure load, failure mode, crack propagation, load–deflection curve, load–crack width, and failure load from these tests are measured and compared with those of a control sleeper manufactured using normal concrete C50. The accuracy of the parametric study is verified experimentally. Subsequently, the results of the study are applied to UHPFRC sleepers with different concrete volumes to investigate the effects of the properties of UHPFRC on their performance. Experimental and parametric study results show that the behavior of UHPFRC sleepers improves significantly when the amount of steel fiber in the mix is increased. Sleepers manufactured using UHPFRC with a steel fiber volume fraction of 1% and a concrete volume less than 25% that of standard sleeper B70 can be used under the same loads and requirements, which contributes positively to the cost and surrounding environment.

Keywords： pre-stressed concrete sleeper     ultrahigh performance fiber-reinforced concrete     pull-out test     static    

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Title Author Date Type Operation

Effect of hot water pre-extraction of bamboo on ECF bleaching performance of its kraft pulps

Hu Huichao,Zhan Huaiyu,Huang Liulian and Chen Lihui

Journal Article

Feasibility study on hot dry rock assisted oil recovery technique

Wang Xuezhong

Journal Article

A hot future for cool materials

Journal Article

Occurance and control of manganese in a large scale water treatment plant

Youjun CHEN,Feng XIAO,Yongkang LIU,Dongsheng WANG,Ming YANG,Hua BAI,Jiong ZHANG

Journal Article

Flexibility Prediction of Aggregated Electric Vehicles and Domestic Hot Water Systems in Smart Grids

Junjie Hu, Huayanran Zhou, Yihong Zhou, Haijing Zhang, Lars Nordströmd, Guangya Yang

Journal Article

Wheel tracking methods to evaluate moisture sensitivity of hot-mix asphalt mixtures

Jie HAN,Harihar Shiwakoti

Journal Article

Process improvement in laser hot wire cladding for martensitic stainless steel based on the Taguchi method

Zilin HUANG,Gang WANG,Shaopeng WEI,Changhong LI,Yiming RONG

Journal Article

Survey of thermal comfort in residential buildings under natural conditions in hot humid and cold wet

Changhai PENG

Journal Article

A review on research and development of iron-based sorbents for removal of hydrogen sulfide from hot

Jianglong YU, Liping CHANG, Fan LI, Kechang XIE

Journal Article

Nonlinear analysis of pre-tensioned glass wall facade by stability function with initial imperfection

Siu-Lai CHAN, Yaopeng LIU, Andy LEE,

Journal Article

Desulfurization performance of iron-manganese-based sorbent for hot coal gas

Xiurong REN, Weiren BAO, Fan LI, Liping CHANG, Kechang XIE

Journal Article

Impingement of hollow cone spray on hot porous medium

ZHAO Zhiguo, XIE Maozhao

Journal Article

Dynamic characteristics of molten droplets and hot particles falling in liquid pool

Liangxing LI, Weimin MA, Huixiong LI, Tingkuan CHEN,

Journal Article

A pre-compensation method of the systematic contouring error for repetitive command paths

D. L. ZHANG,Y. H. CHEN,Y. P. CHEN

Journal Article

Experimental and parametrical investigation of pre-stressed ultrahigh-performance fiber-reinforced concrete

Journal Article