bluuebunny/crossref_metadata_2025_split huggingface dataset:
Trace metal partitioning in a shallow estuary, Muthupet, India
Authors: Priya K L , Haddout S 
Published: July 2020

Abstract
Dissolved trace metal concentrations of Fe, Cd, Cu and Zn were analysed in the Muthupet estuary, a well-mixed micro-tidal estuary in India during the post-monsoon and pre-monsoon in 2014. There was a significant variation in the salinity and suspended sediment concentration over the seasonal scale with peak salinity occurring at the downstream mouth during the post-monsoon and at intermediate locations during the pre-monsoon. Strong seasonal variations were observed in the concentration of trace metals. The concentration of Fe, Cd and Zn exceeded the USEPA standards, while that of Cu was within the permissible limits. Fe, Cu and Zn showed non-conservative behavior with peak concentrations at mid-estuarine reaches, irrespective of the location of salinity maxima, while the peak concentration of Cd occurred at high salinity reaches. The complexation of Cd as chlorocomplexes enhanced the mobilization of Cd, resulting in a peak value at high salinity reaches. The study indicated that the estuary is influenced by oceanic water and the anthropogenic input is secondary. Resuspension of bed sediments is identified as the major process controlling the trace metal concentration. Partition coefficient (Kd) of Fe, Cu and Zn was observed to be an increasing function of salinity, of which, the effect on Fe was much significant. The coagulation of suspended sediments at high salinity reaches enhanced the removal of Fe as Fe oxyhydroxides.
Investigations on the flexural performance of laminated glass
Authors: Ravimony Raji , Joseph Anitha , Mangal Lalu 
Published: July 2020

Abstract
Laminated Glass, regarded as the safety glass, is widely used in modern architectural applications. The structural behaviour of this type of glass is highly complex owing to the presence of the interlayer. In such a case, classical theoretical formulations are of no use and it becomes necessary to employ specially formulated equations or numerical simulations to evaluate the performance of laminated glass. Present work consists of displacement-controlled four-point bending tests on laminated glass beams to study the load-deflection behaviour and fracture pattern of the samples. Numerical simulations of the test samples are carried out in ANSYS to achieve the maximum tensile stress and deflection values corresponding to the initial failure load. Three laminated glass performance models are used to analytically evaluate the values of failure stress for laminated glass.
Study on behaviour of cast steel K-joints in circular hollow sections
Authors: Biju V , Bindhu K R , Mangal Lalu 
Published: July 2020

Abstract
Circular hollow sections are commonly used in steel industry and many types of joints like T, K, X etc., are encountered during the construction phase. The joints can be connected using weld or bolt assembly. In this paper, an attempt is made to study the response of K joints using cast steel nodes when subjected to quasi-static cyclic loading. Eight specimens are fabricated and connected using steel nodes to form K-joints and are tested under quasi-static cyclic loading. From the experimental study, ultimate failure load under tension and compression, mode of failure, hysteresis curve and load deflection envelope are determined. The load values obtained are compared with design strength values of welded K-joint and longitudinal gusset plate connected T-joint specimens as predicted by AISC and CIDECT guidelines. The study reveals that cast steel nodes can be used as an alternative for connecting joints and the strength obtained is slightly higher than that predicted with longitudinal gusset plate connected T-jointed specimens.
Experimental and analytical studies on the compression properties of scrap tyre pad base isolators
Authors: Mathew Ancy , Firdouse F S , Sajeeb R 
Published: July 2020

Abstract
Base isolation is one of the widely accepted seismic protection strategy. Scrap tyre pads have been identified to be suitable for the design of low-cost base isolation systems. The present study attempts to group scrap tyres of different brands based on their physical parameters and material properties. Five types of scrap tyres, from the same size group, have been identified in the present study. Tensile strength characteristics of scrap tyre pads were assessed by conducting experiments using ASTM D 638 specifications. The study investigates the compressive behaviour of seismic isolators made from different types of scrap tyre pads. Vertical stiffness and load bearing capacity of scrap tyre pad isolators were assessed for all the five types of scrap tyre pads. Three-dimensional finite element models of isolators were also developed and the response was found to be matching reasonably well with the experimentally observed response.
Key performance indicators of sustainability
Authors: Nair Aparna , Nayar Seema K 
Published: July 2020

Abstract
Sustainable construction involves the judicious use of resources so as to satisfy the demands of both present and future generations. It is supported on three pillars namely economic, environmental and social. This study aims to understand the key performance indicators of sustainability. Based on the literature review, this study develops a set of performance indicators relevant to Indian construction industry. Questionnaires and interviews are conducted among the architects and engineers. Using Relative Importance Index, the identified indicators are prioritised.
Analysis of factors influencing mode shift to public transit in a developing country
Authors: Devika R , Harikrishna M 
Published: July 2020

Abstract
Vehicles are a major invention having significant impact on human progress.However, increasing private vehicle usage can cause many threats to the society like congestion, depleting environmental quality etc. The study is taken up to identify the factors influencing usage of private and public modes, with the help of mode choice models. The influence of psychological factors based on the ‘Theory of Planned Behaviour’ were analysed in the study.The variables considered for the study include service attributes like travel cost, travel time, waiting time, comfort and latent variables like ‘attitude’, ‘subjective norm’, ‘perceived behavioural control’ etc. Revealed preference survey was adopted to know the sociodemographic details and a stated preference survey was adopted to study the mode shift of people to a better public transit facility.Travel time, waiting time and travel cost had negative influence in the utility of new public transit mode.Comfort and perceived behavioural control had positive influence in utility of a new public transit service.The study was useful in developing a better understanding of mode choice behaviour and developing insights for policy formulations for improving the public transit.
Mechanism of Condensation Enhancement by Corrugated Low Finned Tubes in Presence of Noncondensable Gas
Authors: Ren Bin , Pu Zhe , Tang Xiaoying , Wang Jifeng , He Aini , Lu Hongliang 
Published: July 2020

Abstract
Corrugated tubes are the most convenient reinforcement techniques to enhance intube condensation. In this paper, the average condensation heat transfer coefficients inside the corrugated low finned tube and smooth tube were firstly introduced. The distribution of local heat transfer coefficient was presented at lower and higher inlet noncondensable gas mass fractions. The results show that the major heat transfer resistance is the thermal resistance of liquid film at lower inlet gas fraction. So the mechanism of condensation enhancement by corrugated low finned tubes is the increase of liquid film condensation coefficient. But at higher inlet gas fraction gas layer mass transfer resistance becomes the control thermal resistance. The spiral ribs inside corrugated low finned tube can thinner not only the gas layer thickness but also the liquid film thickness. The mechanism of condensation enhancement is the increase of both gas layer and liquid film condensation coefficient.
Knowledge Capital Management Mechanism of Smart Library Ecosystem
Authors: Shu Zongying , Jiang Yiqun , Huang Jiangshan , Wang Maohan , Liu Jia 
Published: July 2020

Abstract
The development of smart libraries makes users more and more personalized in their knowledge needs, study the intelligent library knowledge ecosystem, and conduct in-depth research on their knowledge capital management mechanism, which can achieve innovation in library services. This article first combs the concept of smart library knowledge capital, and then analyzes the smart library knowledge ecosystem in detail, and discusses the operation mode of smart library knowledge capital. The knowledge ecosystem has enhanced the dynamics and openness of knowledge information in smart libraries through the sharing and innovation of knowledge capital.
Melting-assisted Synthesis of Hierarchical SSZ-13 Zeolite
Authors: Wang Guangjian , Li Fangni , Li Qiang , Bing Liancheng 
Published: July 2020

Abstract
In order to reduce the diffusion resistance of the reactants and products in the traditional microporous SSZ-13 zeolite, a hierarchical SSZ-13 zeolite was synthesized with melting-assisted method. The hierarchical SSZ-13 zeolite was easily and quickly synthesized by ammonium fluoride solid-phase grinding under solvent-free condition. The obtained SSZ- 13 samples were characterized by XRD, SEM, BET and EDS. The results clearly indicate that the etched zeolite contains micropores and mesopores, and in addition, no significant decrease of crystallinity is observed for the sample etched with ammonium fluoride. Using this method, other zeolites with CHA, MFI, and TON topologies were etched successfully.
Evaluation of Ecological Vulnerability of County Areas in Karst Mountain Area Based on VSD Model-A Case Study of Duyun City
Authors: Zhou Yuyang , Zhou Guofu , Huang Qifen , Yue Li 
Published: July 2020

Abstract
This thesis can provide a more reasonable and accurate basis for county environmental management in karst regions, by evaluating the ecological vulnerability of Duyun area. The VSD model (Vulnerability Scoping Diagram) was used to construct a comprehensive evaluation of 29 indicators, including natural and human factors through exposure, sensitivity, and adaptability. The results showed that: According to the effects of ecological vulnerability, the environmental vulnerability of Duyun City is mainly mild.The slightly vulnerable area, the mildly vulnerable area, the moderately vulnerable area, the highly vulnerable area and the extremely vulnerable area account for 17.95%, 30.78%, 21.18%, 24.17% and 5.92%. The environmental environment of Duyun City is mainly mildly vulnerable, and the ecological situation in some areas is very delicate. High vulnerable areas and extreme vulnerable areas should actively carry out ecological protection construction, rationally urban layout development, and industrial building.Towns that are located in mildly and moderately vulnerable areas should rely on their abundant natural environment resources and location advantages to conduct moderate development, promote rural revitalization and development, and build ecologically livable cities.
Study on Stability and Reliability of Cement-Sand-Gravel Dam
Authors: Li Xiuwen , Zhang Shunfu , Wu Hao , Tian Dongcheng 
Published: July 2020

Abstract
The cement-sand-gravel (CSG) dam is a new type of dam between the rockfill dam and the gravity dam, with advantages of both these two types of dams. The materials used to build the CSG dams have low shear strength and large dispersion. To study the stability and reliability of equal-height gravity dams and SCG dams, finite element software was used to conduct static analysis on the 100 m gravity dams and SCG dams, and the JC method was used to compute the reliability of dams based on the analysis result. The research results show that under the same working conditions, the CSG dam has better reliability and better adaptability to the foundation than the gravity dam. The study is expected to provide a basis for the design and application of CSG dams.
Analysis of the dynamic characteristics of salinity intrusion in Shiziyang
Authors: Yuan Fei , Lu Chen , Yang Yugui 
Published: July 2020

Abstract
This paper studies the law of the salt water intrusion of Shiziyang based on the salinity measurement data in the dry season of Shiziyang, and we can summarize the following characteristics: the salty fresh water in the upstream of Shiziyang is fully mixed, the downstream saltwater belongs to the partial mixed, saltwater is layered obviously during the neap tide, and the mixing effect is the best during the moderate tide. During the neap tide, downstream salt water is layered significantly, and hyperhaline invades rapidly from the bottom, fresh water discharges from the surface; during the moderate tide, salt fresh water mixes well, the salt boundary is the farthest from the estuary at the minimum flood moment; after the spring tide, salt water mixing gradually weakens, forming a salt water wedge.
Ocean erosion: the main cause of Zhangjiajie landform
Authors: Li Yaohuang 
Published: July 2020

Abstract
The available evidence indicates that ocean erosion is the main cause of Zhangjiajie landform. It is the strength of the sea that has created Zhangjiajie's unparalleled magnificent scenery. The various micro-landforms in Zhangjiajie landforms respectively correspond to various ancient sea-eclipse micro-landforms, such as ancient sea erosion headland bay, ancient sea erosion cliff, ancient sea erosion arch bridge, ancient sea erosion column, ancient sea erosion platform, ancient sea erosion cave and so on.
Numerical study on the influence of spatial shape of fault fracture zone on the scope of tunnel collapse
Authors: Yang Zhongmin , Zhang Yufang 
Published: July 2020

Abstract
Fault fracture zone is an important factor leading to tunnel collapse. Studying the influence of the fault’s spatial shape on the scope of tunnel collapse is important. In this paper, the discrete element numerical simulation method is used to study the possible collapse range and displacement caused by fault dip angle and thickness. The results show that the change of fault dip angle has a greater impact on the collapse range and displacement value, while fault thickness has a smaller effect on it. However, when the thickness of the fault is large, the collapsed body of the vault cannot be self-stabilized, and the bottom collapsed body needs to provide support for it to keep stable. The research can provide guidance for the prediction of the scope of the collapse and the rescue of the accident caused by the collapse.
Synergic Evidence-based Design Principles and the Demonstration of their Integrated Implementation in Green Construction Zone: A case study of Jiangsu Green Building Expo Park
Authors: Xu Bin , Huang Ji 
Published: July 2020

Abstract
This paper reviews the synergic evidence-based deisgn principles and interprets their related design methods and development approaches. It explores the importance of using such concepts to inform the integrated development of green construction zones, which can facilitate the large-scale development of green buildings in a given region. Based on a case study of the development process of Jiangsu Green Building Expo Park, which is know as the first theme park in China including a range of experimental projects to show the integrated design and contruction methods for green buildings, it analyses the targets, concepts and key technologies that have been used to support the integrated development of green buildings by now. Finally, this paper summarises the innovative thinking on integrated development of green buildings and the related implementation approaches, developmental strategies and potential business values.
Two-dimensional BaFCl monolayer: tunable bandgap and pronounced deep ultraviolet absorption
Authors: Zhu Zhenxue 
Published: July 2020

Abstract
Two dimensional (2D) wide bandgap materials have attracted a lot of attention due to their unique structural and optoelectronic properties. Based on the first principle calculations, we report a 2D wide bandgap BaFCl monolayer with an indirect bandgap of 5.58 eV. Remarkably, the bandgap can be flexibly tuned by applying external strain or electric field (E-field). Especially, monolayer BaFCl undergoes the transition from indirect bandgap semiconductor to direct bandgap semiconductor under small compressive strain, and a semiconductor-to-metal transition can be achieved by applying the electric field of 0.8 V/Å. In addition, monolayer BaFCl exhibits strong optical absorption in deep ultraviolet (UV) spectrum. These results render monolayer BaFCl as an attractive 2D material for application in flexible nanoelectronic and optoelectronic devices.
The process of moisture and temperature change of soil profile in Pisha sandstone area
Authors: Zhang Pan , Sun Weiying , Xiao Peiqing , Yang Chunxia 
Published: July 2020

Abstract
The Pisha sandstone area in Ordos Plateau is a cross zone of water, wind and freeze-thaw erosion. Freeze-thaw erosion is one of the important erosion modes in this area, and soil moisture and temperature are the two key factors affecting it. In order to reveal the change process of soil moisture and temperature with time in the Pisha sandstone area, we took the small watershed of Erlaohugou in Huangfuchuan as the study area. Two sets of EM50 full-automatic collection systems were set up on a typical slope in the area, and the change process of moisture and temperature of the slope from March to September was continuously observed. The results showed that the changes of soil moisture and temperature in this area were greatly affected by seasons and climate. Soil moisture exhibited significant temporal and spatial differentiation, while soil temperature had significant temporal differentiation but not obvious spatial differentiation.
Study on the Critical Dynamics of Compound Erosion in the Pisha Sandstone Area
Authors: Yang Chunxia , Zhen Bin , Xiao Peiqing , Zhang Pan 
Published: July 2020

Abstract
The Pisha sandstone area which was distributed in Ordos of Inner Mongolia was the main source area of Yellow River sediment. The area has a characteristic of serious composite erosion and fragile ecological environment. So it is an important prerequisite to identify the critical force occurrence conditions of compound erosion for prevent and control the multiple composite erosion. Using the method such as field observation, simulation experiments and literature review, this study preliminarily summarizes the dynamic critical conditions and key influencing factors of water erosion, wind erosion and freeze-thaw erosion.
Impact of climate zone migration on geographical distribution of indigenous vegetation in Northeast China
Authors: Wu Yunyang , Li Shengju , Wang Xue , Zhang Yuehua , Gu Ye , Li Lan 
Published: July 2020

Abstract
Based on the relationship between climate and vegetation, this study uses the time lag of vegetation response to climate change, simulates the dynamic response process of different vegetation types to climate change, retrieves relevant literature and collates data, and deduces the actual occurrence and geographic distribution of vegetation under the current climate potential and future climate change scenarios. This experiment infer the adaptation relationship between plant geographical distribution and climatic conditions. The results show that the plants in Northeast China are generally more adaptable to climate change. The areas with poor adaptability are mainly at the junction of forest shrubs and grasslands. The geographical distribution of plants has changed, accounting for about 5%. The grassland ecosystem in the bush-grassland transition zone in the Greater Xing’an Mountains is also less adaptable to climate, accounting for about 35%. The vegetation in these areas tends to degenerate. The geographical distribution may change. The adjustment of plants in Northeast China to the future climate change is usually reasonable. 84% of the vegetation changes are positive changes. Especially in the eastern regions, the vegetation deduction conditions will be improved in the future, and the vegetation coverage in these regions may be improved. About 79% of the potential changes in vegetation can adapt to the future climate. Nevertheless, the grassland ecosystems in the Greater Xing’an Mountains and parts of Inner Mongolia are less adaptable to future climate change and tend to degrade. It provides new ideas for assessing vegetation adaptability or ecosystem adaptability. Research on the interaction between climate change and terrestrial ecosystems of different scales needs to be strengthened in the context of global change.
The Impact of Historical Building Environmental Hazard Rescue Exercises on the Concept of Firemen
Authors: Chen Shien-Yi , Chang Yu-chuang , Chou Chung-Chyi , Chen Yi-Ching , Ou Yu-Chih 
Published: July 2020

Abstract
In this experiment, the firefighters perform the cultural assets disaster rescue drills before and after the cognitive differences as the core of the experiment. Firefighters develop education in the face of various types of building rescue training, but they lack the type of historical and historical buildings, which are fundamental in nature. The difference between the rescue target and the rescue tactics, and other types of building rescue methods can hardly be applied. The subject of this experiment is to introduce fire rescue resources (public assistance) after the failure of self-disaster prevention (self-help, co-help), and the research object is based on historical building. After many field surveys, knowledge training and actual exercises, the comparison is performed. The fire extinguishing education and training research on historical monuments can improve the effectiveness of historical monument fire extinguishing and preserve the current status of historical monuments, can list the number of cultural relics rescue personnel from 30% to 60%, can increase the number of cultural relics from 20% to 50%, can answer the answer to the room rescue from 20% to 100%, can answer the perimeter protection focus from 40% increase to 100%, can say that the focus of the water is increased from 30% to 100%. From the data, through the drills, the correct rescue concept can be greatly improved, and the secondary damage of historical sites can be avoided, but the focus of the rescue is on the cultural relics. It still needs to be strengthened, so the drills still need to be handled with perseverance in order to be more implemented and popularized.
Effects of Gradient Concentration of Colchicine on Callus Induction and Differentiation ofRose rosea
Authors: Dai Jianan , Zhang Yaosheng , Gu Ye , Wen Bin , Guan Jinqiu , Li Lan 
Published: July 2020

AbstractTo induce polypoid plants ofRosa rugosa tunb, the effect of the interaction between the concentration of colchicine and the treatment time on the callus induction and differentiation ofR. rugosa tunbwas studied using colchicine as the inducer. The colchicine immersion method was selected, and the callus of redRosa rugosa tunbwas immersed in colchicine of different concentrations for 2h, 4h, and 8h. The best culture medium for inducing callus was as follows: MS+1.0mg/L6-BA+0.1mg/L NAA+9.0 g agar+30.0g sucrose. After cultivation, the callus was dense in texture, light green and obviously granular. After the callus was immersed in colchicine, the combination of different colchicine concentrations and treatment time had an interaction with the callus. Therefore, the best treatment method for polyploid-inducedRosa rugosa tunbpolyploid should be higher colchicine combined with shorter processing time. This experiment can provide experimental basis and theoretical basis for cultivatingRosa rugosa tunbpolyploid plant with excellent traits, thereby increasing the content of essential oil in the plant itself.