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Development of realistic design fire time-temperature curves for the testing of cold-formed steel wall

Anthony Deloge ARIYANAYAGAM,Mahen MAHENDRAN

Frontiers of Structural and Civil Engineering 2014, Volume 8, Issue 4,   Pages 427-447 doi: 10.1007/s11709-014-0279-1

Abstract: of light gauge steel frame (LSF) wall systems is obtained from fire tests based on the standard fire time-temperatureIt includes a review of the characteristics of building fires, previously developed fire time-temperatureThe paper highlights that real building fire time-temperature curves depend on the fuel load representingFinally, realistic design fire time-temperature curves simulating the fire conditions in modern residential

Keywords: fire safety     standard fire curve     realistic design fire time-temperature curves     light gauge steel frame    

Research on the Quasi-static and Dynamic Properties and Constitutive Relation of Carbon Fiber-reinforced Phenolic Composite

Zhang Tai,Wang Xiaojun,Wang Zhihai,Guo Yang,Wang Yuanbo

Strategic Study of CAE 2006, Volume 8, Issue 5,   Pages 63-68

Abstract: The results show that the material is rate-dependent and temperature-dependent.The influence of temperature on the constitutive equation is remarkable, and its effects can be describedby the material parameters related to temperature.Based on the consideration that the responses of the material to reducing strain rate and raising temperatureare similar, the time-temperature equivalent law is investigaled and the corresponding equivalent curve

Keywords: carbon fiber-reinforced phenolic composite     dynamic properties     viscoelasticity     constitutive model     time-temperatureequivalent law    

Phase separation time/temperature dependence of thermoplastics-modified thermosetting systems

ZHANG Xiujuan, XU Yuanze, YI Xiaosu

Frontiers of Chemical Science and Engineering 2008, Volume 2, Issue 3,   Pages 276-285 doi: 10.1007/s11705-008-0057-5

Abstract: (UCST) or lower critical solution temperature (LCST) were studied with emphasis on the temperature dependencyof the phase separation time and its potential application in the cure time-temperature processing windowWe found that the phase separation time/temperature relationship follows the simple Arrhenius equationWith the established phase separation time-temperature dependence relation, we can easily establish thewhole cure time-temperature transformation (TTT) diagram with morphology information which is a useful

Keywords: separation time-temperature     temperature dependency     cure-induced     separation activation     temperature    

Research on strength developing law during the curing of domestic epoxy asphalt mixture

Qian Zhendong,Wang Yaqi and Shen Jialin

Strategic Study of CAE 2012, Volume 14, Issue 5,   Pages 90-95

Abstract:

Based on the mechanism of strength, the reserved time and curing temperatureepoxy asphalt mixture are studied as the influencing factors of strength, and the range of reserved timeand the strength increasing law of epoxy asphalt mixture in different temperatures are determined.

Keywords: epoxy asphalt     strength increasing     time-temperature condition     curing model    

Improving existing “reaching law” for better discrete control of seismically-excited building structures

Zhijun LI, Zichen DENG

Frontiers of Structural and Civil Engineering 2009, Volume 3, Issue 2,   Pages 111-116 doi: 10.1007/s11709-009-0022-5

Abstract: In this paper, a novel “composite reaching law” was explained in details: 1) the equation of discretemotion for a control system; 2) the design of discrete-time variable structure control.The results of numerical example analysis of the model show that the control law can effectively reduce

Keywords: discrete-time variable structure control     composite reaching law     chattering effect     saturated control law    

Deriving Improved Newton's Second Law and the Law of Gravity at One Time with Form of Fractal Formula

Fu Yuhua

Strategic Study of CAE 2003, Volume 5, Issue 6,   Pages 55-58

Abstract:

Newton's second law and the law of gravity are summarized with experimental results.For discussing the possibility of deriving the two laws theoretically, according to the law of conservationof energy, the method of deriving improved Newton's second law and the law of gravity at one timeresults suitable for this example with the constant dimension fractal form are as follows: improved lawof gravity F = - GMm/r1.99989 , and improved Newton's second law F = ma1.01458

Keywords: Newton & acute     s second law     the law of gravity     theoretical derivation    

“Partial pressures” of humid air in wide pressure and temperature ranges

Zidong WANG, Hanping CHEN, Shilie WENG

Frontiers in Energy 2013, Volume 7, Issue 4,   Pages 511-517 doi: 10.1007/s11708-013-0281-7

Abstract: obtained by the proposed method are quite different from that obtained by Dalton’s partial pressure lawThe fundamental behaviors of water vapor and dry air are studied in depth in wide pressure and temperatureThe other is that the interaction between dissimilar molecules may be omitted when temperature is above“cutting-off temperature” for unsaturated humid air.

Keywords: partial pressure     Dalton’s partial pressure law     humid air     saturated     unsaturated    

Research of Equivalent Viscosity Model With Visco-temperature Correcting

Qu Qingwen

Strategic Study of CAE 2005, Volume 7, Issue 5,   Pages 49-52

Abstract:

Equivalent viscosity model is regarded as the base in this paper.It is considered that lubricant viscosity varies as the temperature.Calculating and analyzing model of equivalent viscosity with viscotemperature correcting is founded.The change law of bearing performance is obtained at different parameters.

Keywords: thin film lubrication     viscosity     temperature    

Applicability of the Arrhenius model for Ammonia Oxidizing Bacteria subjected to temperature time gradients

Alberto MANNUCCI,Giulio MUNZ,Gualtiero MORI,Claudio LUBELLO,Jan A. OLESZKIEWICZ

Frontiers of Environmental Science & Engineering 2015, Volume 9, Issue 6,   Pages 988-994 doi: 10.1007/s11783-014-0751-0

Abstract: for Ammonia Oxidizing Bacteria (AOB) subjected to temperature time gradients through continuous titrimetrictime gradients.titrimetric reactor in the temperature range 10°C–20°C.The dependence of growth kinetics on temperature time gradients and the range of applicability of Arrheniusmodel for temperature dependency of AOB growth kinetics were assessed.

Keywords: nitrification rate     temperature effect     continuous titrimetric tests     time-gradient temperature variations    

Real-time tool condition monitoring method based on temperature measurement and artificial neural network

Frontiers of Mechanical Engineering doi: 10.1007/s11465-021-0661-3

Abstract: Here, a real-time tool condition monitoring method integrated in an in situ fiber optic temperatureintermittent cutting experiment is carried out, verifying that the apparatus can capture the rapid but slight temperatureFurthermore, an application program with a graphical user interface is constructed to present real-time

Keywords: tool condition monitoring     cutting temperature     neural network     learning rate adaption    

Allocation of grassland, livestock and arable based on the spatial and temporal analysis for food demand in China

Huilong LIN, Ruichao LI, Yifan LIU, Jingrong ZHANG, Jizhou REN

Frontiers of Agricultural Science and Engineering 2017, Volume 4, Issue 1,   Pages 69-80 doi: 10.15302/J-FASE-2017140

Abstract: To explore the distribution of food demand and the projected trend in future food demand in China, this paper analyzed the change in current (1998–2012) per-capita demand for grain, grain-consuming and herbivorous livestock products, and predicted the food demand in 2020. The results indicated that in 1998–2012, the national per-capita consumption of grain ration declined by about 36.66%, and the per-capita consumption of grain-consu-ming and herbivorous livestock products increased by about 48% and 34.09%, respectively. The grain-consu-ming livestock products have become the primary source of both calories and protein for consumers. The proportion of herbivorous livestock products in consumer diets has increased steadily and there has been huge potential in substituting beef and mutton for pork in this dynamic market. The demand for food in different provinces of China is highly variable, which is important for planning grassland agriculture development and ensuring food safety. The demand for grain, and grain-consuming and herbivorous livestock products will increase by about 3.3%, 20% and 14% respectively by 2020. Based on the food demand and trend in the development of grassland agriculture, the 31 provinces in China are divided into three priority groups for grassland agriculture development.

Keywords: arable land equivalent unit (ALEU)     food equivalent unit (FEU)     food security     grassland agriculture     time    

Evaluating the short-term effect of ambient temperature on non-fatal outdoor falls and road traffic injuriesamong children and adolescents in China: a time-stratified case-crossover study

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 9, doi: 10.1007/s11783-023-1705-1

Abstract:

● A study assessing the temperature-injury relationship was conducted

Keywords: Ambient temperature     Fall     Road traffic injury     Student     China    

Achieving High Strength and Tensile Ductility in Pure Nickel by Cryorolling with Subsequent Low-TemperatureShort-Time Annealing

Zhide Li,Hao Gu,Kaiguang Luo,Charlie Kong,Hailiang Yu,

Engineering doi: 10.1016/j.eng.2023.01.019

Abstract: In this study, cryorolling under different strains followed by low-temperature short-time annealing wasThe results show that the synergistic effect of strength and ductility can be regulated through low-temperatureshort-time annealing with different cryorolling strains, which provides a new reference for the design

Keywords: Cryorolling     Annealing     Nickel     Strain hardening     Ductility    

Infinite Complanation for Semi-infinite Problem when Mass Concrete Hit by Cold Wave

Huang Dahai,Wang Congfeng

Strategic Study of CAE 2002, Volume 4, Issue 7,   Pages 33-39

Abstract: Then a semi-infinite plane model for surface temperature calculation is compared with infinite model.The temperature of surface zone in mass concrete under different boundaries is controlled by semi-infinitemodel, and is transferred to and calculated by an equivalent infinite model under certain conditionsIf the temperature declining duration of air is no more than the critical time when the disturbed frontprocess of mass concrete within a short period of time.

Keywords: concrete     temperature in surface zone     semi-infinite model     temperature declining process     equivalent conditionally    

Time- and temperature-dependence of compressive and tensile behaviors of polypropylene fiber-reinforced

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 4,   Pages 1025-1037 doi: 10.1007/s11709-021-0741-9

Abstract: Thus, this study aims to investigate the time (7, 28, and 90 d)- and temperature (20°C, 35°C, and 45°The obtained results show that pre- and post-failure behaviors of FR-CPB demonstrate strongly curing temperature-dependenceMoreover, the pseudo-hardening behavior is sensitive to curing temperature, especially at early ages.strengths, brittleness, cohesion, and internal friction angle of FR-CPB show increasing trends with curing temperatureas curing time elapses.

Keywords: cemented paste backfill     fiber reinforcement     constitutive behavior     temperature     tailings    

Title Author Date Type Operation

Development of realistic design fire time-temperature curves for the testing of cold-formed steel wall

Anthony Deloge ARIYANAYAGAM,Mahen MAHENDRAN

Journal Article

Research on the Quasi-static and Dynamic Properties and Constitutive Relation of Carbon Fiber-reinforced Phenolic Composite

Zhang Tai,Wang Xiaojun,Wang Zhihai,Guo Yang,Wang Yuanbo

Journal Article

Phase separation time/temperature dependence of thermoplastics-modified thermosetting systems

ZHANG Xiujuan, XU Yuanze, YI Xiaosu

Journal Article

Research on strength developing law during the curing of domestic epoxy asphalt mixture

Qian Zhendong,Wang Yaqi and Shen Jialin

Journal Article

Improving existing “reaching law” for better discrete control of seismically-excited building structures

Zhijun LI, Zichen DENG

Journal Article

Deriving Improved Newton's Second Law and the Law of Gravity at One Time with Form of Fractal Formula

Fu Yuhua

Journal Article

“Partial pressures” of humid air in wide pressure and temperature ranges

Zidong WANG, Hanping CHEN, Shilie WENG

Journal Article

Research of Equivalent Viscosity Model With Visco-temperature Correcting

Qu Qingwen

Journal Article

Applicability of the Arrhenius model for Ammonia Oxidizing Bacteria subjected to temperature time gradients

Alberto MANNUCCI,Giulio MUNZ,Gualtiero MORI,Claudio LUBELLO,Jan A. OLESZKIEWICZ

Journal Article

Real-time tool condition monitoring method based on temperature measurement and artificial neural network

Journal Article

Allocation of grassland, livestock and arable based on the spatial and temporal analysis for food demand in China

Huilong LIN, Ruichao LI, Yifan LIU, Jingrong ZHANG, Jizhou REN

Journal Article

Evaluating the short-term effect of ambient temperature on non-fatal outdoor falls and road traffic injuriesamong children and adolescents in China: a time-stratified case-crossover study

Journal Article

Achieving High Strength and Tensile Ductility in Pure Nickel by Cryorolling with Subsequent Low-TemperatureShort-Time Annealing

Zhide Li,Hao Gu,Kaiguang Luo,Charlie Kong,Hailiang Yu,

Journal Article

Infinite Complanation for Semi-infinite Problem when Mass Concrete Hit by Cold Wave

Huang Dahai,Wang Congfeng

Journal Article

Time- and temperature-dependence of compressive and tensile behaviors of polypropylene fiber-reinforced

Journal Article