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An investigation of reaction furnace temperatures and sulfur recovery

S. ASADI, M. PAKIZEH, M. POURAFSHARI CHENAR

Frontiers of Chemical Science and Engineering 2011, Volume 5, Issue 3,   Pages 362-371 doi: 10.1007/s11705-011-1106-z

Abstract: The effect of the H S concentration, the H S/CO ratio, the input air flow rate, the acid gas flow ofthe acid gas (AG) splitter and the temperature of the acid gas feed at three different oxygen concentrationsAlso the effects of the tail gas ratio and the catalytic bed type on the sulfur recovery were studiedHowever, if three other parameters (the concentration of H S, the ratio H S/CO and the flow rate ofThe optimal catalytic bed temperature, tail gas ratio and type of catalytic bed were also determined

Keywords： Claus unit     concentration of H2S     tail gas ratio     sulfur recovery     catalytic bed    

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Influence of mass air flow ratio on gas-particle flow characteristics of a swirl burner in a 29 MW pulverized

Rong YAN, Zhichao CHEN, Shuo GUAN, Zhengqi LI

Frontiers in Energy 2021, Volume 15, Issue 1,   Pages 68-77 doi: 10.1007/s11708-020-0697-9

Abstract: In a gas/particle two-phase test facility, a three-component particle-dynamics anemometer was used tomeasure the characteristics of gas/particle two-phase flows in a 29 megawatt (MW) pulverized coal industrialThe distributions of three-dimensional gas/particle velocity, particle volume flux, and particle sizeThe size of the central reflux zone remained stable when the air volume ratio changed.

Keywords： industrial pulverized coal boiler     swirl burner     air/particle flow     particle dynamic analyzer (PDA)    

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Prevention and treatment of pancreatic fistula after pancreatic body and tail resection: current status

Li Jiang, Deng Ning, Xiaoping Chen

Frontiers of Medicine 2020, Volume 14, Issue 3,   Pages 251-261 doi: 10.1007/s11684-019-0727-3

Abstract: Postoperative pancreatic fistula (POPF) is the most common and critical complication after pancreatic body and tail

Keywords： pancreatic fistula     pancreatic body and tail resection     distal pancreatectomy    

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Heating energy performance and part load ratio characteristics of boiler staging in an office building

Da Young LEE, Byeong Mo SEO, Yeo Beom YOON, Sung Hyup HONG, Jong Min CHOI, Kwang Ho LEE

Frontiers in Energy 2019, Volume 13, Issue 2,   Pages 339-353 doi: 10.1007/s11708-018-0596-5

Abstract: ., the part load ratio characteristics and the corresponding gas energy consumption patterns are notIn this study, the part load ratio and the operating characteristics of gas boiler have been analyzedIn addition, the gas consumption among different boiler staging schemes has been comparatively analyzedportions of total operating hours, heating load and energy consumption has been found to be in a part load ratioIn addition, utilizing sequential boiler staging scheme can save a gas usage of about 7%.

Keywords： EnergyPlus     boiler     part load ratio     gas consumption     office building     boiler staging    

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NICE’s Indirect Coal-to-Liquid Process for Producing Clean Transportation Fuels Using Fischer-Tropsch Synthesis

Omar M. Basha,Li Weng,Zhuo-wu Men,Wayne Xu,Badie I. Morsi

Frontiers of Engineering Management 2016, Volume 3, Issue 4,   Pages 362-376 doi: 10.15302/J-FEM-2016049

Abstract: of the performance of the NICE SBCR, operating with iron and cobalt catalysts under four different tailgas recycle strategies: (1) direct recycle; (2) using a Pressure Swing Adsorption (PSA) unit; (3) using

Keywords： Fischer-Tropsch synthesis     tail gas recycle     simulations     process design    

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Pilot-scale studies of domestic wastewater treatment by typical constructed wetlands and their greenhouse gas

Chaoxiang LIU, Kaiqin XU, Ryuhei INAMORI, Yuhei INAMORI, Yoshitaka EBIE, Jie LIAO,

Frontiers of Environmental Science & Engineering 2009, Volume 3, Issue 4,   Pages 477-482 doi: 10.1007/s11783-009-0155-8

Abstract: VF-SF-FWS constructed wetlands were investigated for the treatment of domestic wastewater with low C/N ratioThe performance of nutrient removal and the characteristics of greenhouse gas emissions, such as CH and

Keywords： global warming potential     methane     nitrous oxide     low C/N ratio     nitrogen     phosphorus    

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Experimental evaluation of a 35 kVA downdraft gasifier

Ashok Jayawant Rao KECHE, Gaddale AMBA PRASAD RAO

Frontiers in Energy 2013, Volume 7, Issue 3,   Pages 300-306 doi: 10.1007/s11708-013-0247-9

Abstract: The problem of cooling and cleaning the hot and dirty gas from the gasifier has been satisfactorily solvedThe quality of gas was evaluated in terms of its composition, conversion efficiency and total particulateThe optimum value of equivalence ratio was observed to be 0.3134 for achieving the maximum gas conversion

Keywords： biomass     gasification     producer gas     equivalence ratio     total particulate matter     conversion efficiency of    

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The Research of the Detecting Means for the New Model of the Gas Density in Recycled Waste Gas Furnace

Shen Yuansheng,Liu Yongjie,Wang Deyong,Li Benwen

Strategic Study of CAE 2005, Volume 7, Issue 5,   Pages 70-72

Abstract:

By analyzing the feature of the process for the recycled waste gas in furnace, let the volume of wastecirculation be constant, the guantitative mathematical relations between the volume flow of waste gasand the recycled times of waste gas which goes into combustion-supporting air in furnace were built,and the quantitative mathematical relations between the density of oxygen in waste gas and the recycledIt provides the base for checking and analyzing the gas composition at different stages in real production

Keywords： tested model     combustion material     combustion ratio     recycling furnace    

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Effects of Structure of Opening Hole in Gas Distributor on Detained Mass of Material for Fluidized Drying

Liu Wei,Tang Wencheng

Strategic Study of CAE 2006, Volume 8, Issue 6,   Pages 41-43

Abstract: In order to acquire the effect law of structure of opening hole in gas distributor on detained mass oftemperature of entrance, height of static bed, gas rate of entrance, and concentration of material.of drier with tilted-hole distributor were determined between the production capacity and the hole ratiotemperature of entrance, height of static bed, or gas rate of entrance.addition, changing the hole shape of distributor from vertical-hole to tilted-hole and adding the hole ratio

Keywords： inert particles     fluidized drying     gas distributor     hole shape     hole ratio     detained mass of material    

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Microseismic monitoring technology

Tang Chunhua,Gu Guangqing

Strategic Study of CAE 2012, Volume 14, Issue 4,   Pages 95-99

Abstract:

Microseismic (MS) monitoring is a hot topic in the applied geophysics recently. The MS mechanism and histories are introduced firstly in this article, and then the instruction of the MS equipment such as acquisition strategies, optimal sensors, array design, digital-signal processing, event location, velocity calibration, and monitoring deployment, is discussed. MS is a great technology with a long future, and we need to foster the understanding and acceptance of this technology.

Keywords： microseismic monitoring     hydraulic fracturing     oil and natural gas     SNR (signal to noise ratio)     event    

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Roles of integrin β3 cytoplasmic tail in bidirectional signal transduction in a trans-dominant inhibition

Jiansong Huang,Yulan Zhou,Xiaoyu Su,Yuanjing Lyu,Lanlan Tao,Xiaofeng Shi,Ping Liu,Zhangbiao Long,Zheng Ruan,Bing Xiao,Wenda Xi,Quansheng Zhou,Jianhua Mao,Xiaodong Xi

Frontiers of Medicine 2016, Volume 10, Issue 3,   Pages 311-319 doi: 10.1007/s11684-016-0460-0

Abstract:

We evaluated the roles of calpain cleavage-related mutations of the integrin β3 cytoplasmic tail

Keywords： integrin β3     signal transduction     trans-dominant inhibition model    

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Hydraulic Pressure Extremes Ratio & Extremes Ratio Efficiencies

Qi Maolin

Strategic Study of CAE 2001, Volume 3, Issue 4,   Pages 73-75

Abstract: applies basic formula to the calculation of a relationship between the hydraulic pressure extremes ratioof hydraulic system and the extremes ratio efficiencies.This relationship shows that the greater the hydraulic pressure extremes ratio is, the lower the extremesratio efficiencies are.The article holds that the hydraulic pressure extremes ratio can be designed and chosen.

Keywords： hydraulic pressure extremes ratio     extremes ratio efficiencies     hydraulic system    

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Head-to-tail cyclization of a heptapeptide eliminates its cytotoxicity and significantly increases its

Shuai Ma, Huan Zhang, Xiaoyan Dong, Linling Yu, Jie Zheng, Yan Sun

Frontiers of Chemical Science and Engineering 2018, Volume 12, Issue 2,   Pages 283-295 doi: 10.1007/s11705-017-1687-2

Abstract: Herein, we modified LK7 by a head-to-tail cyclization and obtained a cyclic LK7 (cLK7). cLK7 exhibits

Keywords： Alzheimer’s disease     amyloid β-protein     cyclic peptide     inhibition     protein aggregation    

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ShortTail: taming tail latency for erasure-code-based in-memory systems Research Article

Yun TENG, Zhiyue LI, Jing HUANG, Guangyan ZHANG

Frontiers of Information Technology & Electronic Engineering 2022, Volume 23, Issue 11,   Pages 1646-1657 doi: 10.1631/FITEE.2100566

Abstract:

s with erasure coding (EC) enabled are widely used to achieve high performance and data availability. However, as the scale of clusters grows, the server-level fail-slow problem is becoming increasingly frequent, which can create long . The influence of long is further amplified in EC-based systems due to the synchronous nature of multiple EC sub-operations. In this paper, we propose an EC-enabled in-memory storage system called ShortTail, which can achieve consistent performance and low latency for both reads and writes. First, ShortTail uses a lightweight request monitor to track the performance of each memory node and identify any fail-slow node. Second, ShortTail selectively performs degraded reads and redirected writes to avoid accessing fail-slow nodes. Finally, ShortTail posts an adaptive write strategy to reduce write amplification of s. We implement ShortTail on top of Memcached and compare it with two baseline systems. The experimental results show that ShortTail can reduce the P99 by up to 63.77%; it also brings significant improvements in the median latency and average latency.

Keywords： Erasure code     In-memory system     Node fail-slow     Small write     Tail latency    

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Controlling interstory drift ratio profiles via topology optimization strategies

Frontiers of Structural and Civil Engineering 2023, Volume 17, Issue 2,   Pages 165-178 doi: 10.1007/s11709-022-0892-3

Abstract: proposed approach involves solving a min–max optimization problem to suppress the maximum interstory drift ratioThe proposed methodology can shape the interstory drift ratio profiles into inverted triangular or quadratic

Keywords： interstory drift ratio     aggregation function     bound formulation     min–max problem     topology optimization    

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Title Author Date Type Operation

An investigation of reaction furnace temperatures and sulfur recovery

S. ASADI, M. PAKIZEH, M. POURAFSHARI CHENAR

Journal Article

Influence of mass air flow ratio on gas-particle flow characteristics of a swirl burner in a 29 MW pulverized

Rong YAN, Zhichao CHEN, Shuo GUAN, Zhengqi LI

Journal Article

Prevention and treatment of pancreatic fistula after pancreatic body and tail resection: current status

Li Jiang, Deng Ning, Xiaoping Chen

Journal Article

Heating energy performance and part load ratio characteristics of boiler staging in an office building

Da Young LEE, Byeong Mo SEO, Yeo Beom YOON, Sung Hyup HONG, Jong Min CHOI, Kwang Ho LEE

Journal Article

NICE’s Indirect Coal-to-Liquid Process for Producing Clean Transportation Fuels Using Fischer-Tropsch Synthesis

Omar M. Basha,Li Weng,Zhuo-wu Men,Wayne Xu,Badie I. Morsi

Journal Article

Pilot-scale studies of domestic wastewater treatment by typical constructed wetlands and their greenhouse gas

Chaoxiang LIU, Kaiqin XU, Ryuhei INAMORI, Yuhei INAMORI, Yoshitaka EBIE, Jie LIAO,

Journal Article

Experimental evaluation of a 35 kVA downdraft gasifier

Ashok Jayawant Rao KECHE, Gaddale AMBA PRASAD RAO

Journal Article

The Research of the Detecting Means for the New Model of the Gas Density in Recycled Waste Gas Furnace

Shen Yuansheng,Liu Yongjie,Wang Deyong,Li Benwen

Journal Article

Effects of Structure of Opening Hole in Gas Distributor on Detained Mass of Material for Fluidized Drying

Liu Wei,Tang Wencheng

Journal Article

Microseismic monitoring technology

Tang Chunhua,Gu Guangqing

Journal Article

Roles of integrin β3 cytoplasmic tail in bidirectional signal transduction in a trans-dominant inhibition

Jiansong Huang,Yulan Zhou,Xiaoyu Su,Yuanjing Lyu,Lanlan Tao,Xiaofeng Shi,Ping Liu,Zhangbiao Long,Zheng Ruan,Bing Xiao,Wenda Xi,Quansheng Zhou,Jianhua Mao,Xiaodong Xi

Journal Article

Hydraulic Pressure Extremes Ratio & Extremes Ratio Efficiencies

Qi Maolin

Journal Article

Head-to-tail cyclization of a heptapeptide eliminates its cytotoxicity and significantly increases its

Shuai Ma, Huan Zhang, Xiaoyan Dong, Linling Yu, Jie Zheng, Yan Sun

Journal Article

ShortTail: taming tail latency for erasure-code-based in-memory systems

Yun TENG, Zhiyue LI, Jing HUANG, Guangyan ZHANG

Journal Article

Controlling interstory drift ratio profiles via topology optimization strategies

Journal Article