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Approach and potential of replacing oil and natural gas with coal in China

Junjie LI, Yajun TIAN, Xiaohui YAN, Jingdong YANG, Yonggang WANG, Wenqiang XU, Kechang XIE

Frontiers in Energy 2020, Volume 14, Issue 2,   Pages 419-431 doi: 10.1007/s11708-020-0802-0

Abstract: replace oil and natural gas is, therefore, a necessary and practical approach to easing the excessive externaldependence on oil and natural gas.By implementing this strategy, China’s external dependence on oil, natural gas, and primary energy is

Keywords： coal replacing oil and natural gas     energy security     external dependence     energy strategy     China    

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Experimental study on the temperature dependence of ultraviolet absorption cross-sections of sulfur dioxide

ZHANG Shiliang, ZHOU Jie, CHEN Xiaohu

Frontiers in Energy 2008, Volume 2, Issue 2,   Pages 183-186 doi: 10.1007/s11708-008-0025-2

Abstract: The photoabsorption cross-sections of sulfur dioxide were measured in the spectral regions of 200–230 nm and 275–315 nm at 298–415 K, using a grating monochromator with a resolution of 0.2 nm. The discrete absorption cross-section is directly correlated with the number of quantum excited from the base state. The absorption cross-sections at the peaks of discrete bands decreased linearly with the increase of temperature, which corresponded to the decrease in the population of vibrational and rotational transitions from the base level to higher excitation levels. The absorption cross-section peaks decreased linearly when the temperature increased from 298 to 415 K, with relative drops of 74.0% and 75.8% at 200–230 nm and 275–315 nm, respectively. Another distinctive feature of sulfur dioxide absorption spectra in the above two spectral regions was the quasiperiodic structure of the absorption peaks, whose equal wavelength intervals were 1.53 nm and 1.95 nm, respectively. Red and blue shifts were not found at the absorption peak positions.
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The Path Dependence of Chinese Corporate Governance——Theoretical and Positive Analysis

Bing Hongyan

Strategic Study of CAE 2004, Volume 6, Issue 2,   Pages 82-87

Abstract:

Building on reviewing the theories of path dependence, this paper analyses the two sources of thepath dependence of corporate governance, i. e.Structure-driven path dependence and rule-driven path dependence,and reveals the effect of the path dependenceanalyses the developing process of Chinese corporate governance, and points out three kinds of path dependence

Keywords： Chinese corporate governance     path dependence     structure-driven path dependence     rule-driven path dependence    

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Development of China's Cobalt Industry: Current Status, Problems, and Countermeasures

Duan Jun , Xu Gang , Tang Zhongli , Yan Haiqing , Liu Juntai , Chen Yangyang , Liu Qi

Strategic Study of CAE 2024, Volume 26, Issue 3,   Pages 98-107 doi: 10.15302/J-SSCAE-2024.03.009

Abstract: largest consumer of cobalt; however, its cobalt resources are extremely scarce and its ultra-high dependence

Keywords： cobalt resources     cobalt concentrate     refined cobalt     external dependence     cobalt industry chain    

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Tank-dependence of the functionality and network differentiation of activated sludge community in a full-scale

Frontiers of Environmental Science & Engineering 2023, Volume 17, Issue 3, doi: 10.1007/s11783-023-1636-x

Abstract:

● Environmental parameters affected functional bacteria and network associations.

Keywords： Activated sludge     Bacterial community     Tank-dependence     Network association     Functional bacteria    

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building information modeling (BIM) implementation on design and construction performance: a resource dependence

Dongping CAO, Heng LI, Guangbin WANG

Frontiers of Engineering Management 2017, Volume 4, Issue 1,   Pages 20-34 doi: 10.15302/J-FEM-2017010

Abstract: Drawing on resource dependence theory, this paper develops and empirically tests a model for understandingThe findings validate the resource dependence theory perspective of BIM as a boundary spanning tool tomanage interorganizational resource dependence in construction projects, and contribute to deepened

Keywords： building information modeling     interorganizational collaboration     construction project performance     resource dependence    

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Jointly modeling the dependence of injury severity and crash size involved in motorcycle crashes in Cambodia

Frontiers of Engineering Management doi: 10.1007/s42524-024-0302-8

Abstract: Escalating motorcycle crashes present a significant challenge due to the increase in motorcycle registrations and the corresponding increase in mortality rates. This issue is particularly acute in Cambodia, where motorcycles are the primary mode of transportation. In the analysis of motorcycle crashes, two key measures of severity are injury severity and crash size, notably the number of injuries. Typically, these indicators are analyzed independently to understand the impact and consequences of motorcycle accidents. Nevertheless, it is critical to recognize that both observed and unobserved factors may concurrently affect these crash indicators, indicating a possible interrelationship between injury severity and motorcycle crash size. Neglecting the joint occurrence of these variables can result in biased and incorrect parameter estimation. This research contributes to the existing body of knowledge by simultaneously analyzing the factors influencing both injury severity and motorcycle crash size. This approach further distinguishes itself by considering the interdependence between these two results utilizing a copula-based approach. Six models based on copulas were developed using the ordered logit model, which was designed to capture the ordinal nature of injury severity and crash size. By analyzing motorcycle crash data from 2016 in Cambodia, the Frank copula framework was identified as the most effective among the five approaches. The findings revealed that factors such as motorcycle-to-pedestrian collisions, head-on collisions, X junctions, and national roads significantly increase both motorcyclist injury severity and crash size. These insights are valuable for policymakers in formulating targeted strategies to improve motorcycle safety within transportation systems.

Keywords： traffic accident     crash     motorcycle     injury severity     crash size    

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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: , this study aims to investigate the time (7, 28, and 90 d)- and temperature (20°C, 35°C, and 45°C)-dependenceresults show that pre- and post-failure behaviors of FR-CPB demonstrate strongly curing temperature-dependence

Keywords： cemented paste backfill     fiber reinforcement     constitutive behavior     temperature     tailings    

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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: With the established phase separation time-temperature dependence relation, we can easily establish the

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

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nitride enabled benzimidazoles production from furyl/aryl bio-alcohols and -nitroanilines without an external

Frontiers of Chemical Science and Engineering 2023, Volume 17, Issue 1,   Pages 68-81 doi: 10.1007/s11705-022-2174-y

Abstract: carbon catalysts (Co/CNx-T, T denotes the pyrolysis temperature) without using an external

Keywords： biomass conversion     furanic compounds     benzimidazoles     hydrogen transfer     bifunctional catalysis    

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Recovery of cyanophycin granule polypeptide from activated sludge: carbon source dependence and aggregation-induced

Frontiers of Environmental Science & Engineering 2024, Volume 18, Issue 2, doi: 10.1007/s11783-024-1776-7

Abstract:

● Sodium acetate significantly enriched the CGP synthetase-encoding gene.

Keywords： Cyanophycin     Polyhydroxyalkanoate     Alginate-like exopolysaccharides     Bioresource recovery     Aggregation-induced luminescence    

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Unified solution of limit loads of thick wall cylinder subject to external pressure considering strain

CHEN Changfu, XIAO Shujun, YANG Yu

Frontiers of Structural and Civil Engineering 2007, Volume 1, Issue 3,   Pages 329-333 doi: 10.1007/s11709-007-0043-x

Abstract: and the elastic and plastic limit loads of a thick-walled cylinder made of these materials subject to externalIn addition, the influence of some factors on the limit loads of such cylinders as the ratio of the external
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monitoring of the strengthening construction of a segmental box girder bridge and field testing of external

Ali Fadhil NASER, Zonglin WANG

Frontiers of Structural and Civil Engineering 2012, Volume 6, Issue 3,   Pages 308-320 doi: 10.1007/s11709-012-0140-3

Abstract: either precast or cast in situ and then joined together by longitudinally post-tensioning internal, externalThe objectives of this study are to monitor the construction process of the external prestressing tendonsperform a field load test to measure the strain and the deflection of the anchorage devices of the externalThe monitoring process of the external prestressing tendons construction includes inspecting the cracksTherefore, there is no damage during the construction and the tensioning of the external prestressing

Keywords： prestressed concrete     box girder     monitoring     external tendons     strain     deflection    

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Shear behavior of ultra-high-performance concrete beams prestressed with external carbon fiber-reinforced

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 6,   Pages 1426-1440 doi: 10.1007/s11709-021-0783-z

Abstract: investigation on the shear behavior of UHPC beams reinforced with glass FRP (GFRP) and prestressed with external

Keywords： beam     external prestressing     ultra-high-performance concrete     fiber-reinforced polymers     shear behavior    

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Ductile extension of 3-D external circumferential cracks in pipe structures

Wuchao YANG, Xudong QIAN

Frontiers of Structural and Civil Engineering 2011, Volume 5, Issue 3,   Pages 294-303 doi: 10.1007/s11709-011-0115-9

Abstract: This study investigates the ductile fracture resistance of 3-D external circumferential cracks in the

Keywords： ductile fracture     computational cell method     G-T model     J-R curve    

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Title Author Date Type Operation

Approach and potential of replacing oil and natural gas with coal in China

Junjie LI, Yajun TIAN, Xiaohui YAN, Jingdong YANG, Yonggang WANG, Wenqiang XU, Kechang XIE

Journal Article

Experimental study on the temperature dependence of ultraviolet absorption cross-sections of sulfur dioxide

ZHANG Shiliang, ZHOU Jie, CHEN Xiaohu

Journal Article

The Path Dependence of Chinese Corporate Governance——Theoretical and Positive Analysis

Bing Hongyan

Journal Article

Development of China's Cobalt Industry: Current Status, Problems, and Countermeasures

Duan Jun , Xu Gang , Tang Zhongli , Yan Haiqing , Liu Juntai , Chen Yangyang , Liu Qi

Journal Article

Tank-dependence of the functionality and network differentiation of activated sludge community in a full-scale

Journal Article

building information modeling (BIM) implementation on design and construction performance: a resource dependence

Dongping CAO, Heng LI, Guangbin WANG

Journal Article

Jointly modeling the dependence of injury severity and crash size involved in motorcycle crashes in Cambodia

Journal Article

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

Journal Article

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

ZHANG Xiujuan, XU Yuanze, YI Xiaosu

Journal Article

nitride enabled benzimidazoles production from furyl/aryl bio-alcohols and -nitroanilines without an external

Journal Article

Recovery of cyanophycin granule polypeptide from activated sludge: carbon source dependence and aggregation-induced

Journal Article

Unified solution of limit loads of thick wall cylinder subject to external pressure considering strain

CHEN Changfu, XIAO Shujun, YANG Yu

Journal Article

monitoring of the strengthening construction of a segmental box girder bridge and field testing of external

Ali Fadhil NASER, Zonglin WANG

Journal Article

Shear behavior of ultra-high-performance concrete beams prestressed with external carbon fiber-reinforced

Journal Article

Ductile extension of 3-D external circumferential cracks in pipe structures

Wuchao YANG, Xudong QIAN

Journal Article