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Academic Articles & Research Papers
Showing 20 of 210 academic articles
John L. Gallup, Jeffrey David Sachs, Andrew D. Mellinger • International Regional Science Review
(1999)
Location and climate have large effects on income levels and income growth through their effects on transport costs, disease burdens, and agricultural productivity, among other channels. Geography also seems to affect economic policy choice...
OPENALEX
Open Access
DOI: https://doi.org/10.1177/016001799761012334
John L. Gallup, Jeffrey David Sachs, Andrew D. Mellinger • National Bureau of Economic Research
(1998)
Location and climate have large effects on income levels and income growth through their effects on transport costs, disease burdens, and agricultural productivity, among other channels. Geography also seems to affect economic policy choice...
OPENALEX
Open Access
DOI: https://doi.org/10.3386/w6849
Akram Faraedon Hamamen • Zanco Journal of Humanity Sciences
(2023)
The research's conclusions are based on the current state of development as a consequence of the factors of communication, media, technology, science, and information. As a result of this human requirement, it keeps creating new languages, ...
DOAJ
Open Access (DOAJ)
DOI: 10.21271/zjhs.27.5.4
CHEN Yao, XIONG Zhenghui, LUO Junwei, WANG Hanyang et al. • Journal of Aeronautical Materials
(2025)
Traditional ultrasonic automated non-destructive testing is a great challenge in the inspection of aviation components with complex surfaces. Complex surfaces can interfere with the formation of the focus in the sound beam，and the waveform ...
DOAJ
Open Access (DOAJ)
DOI: 10.11868/j.issn.1005-5053.2024.000173
Yangzhong Jing, Shuliang Wang, Yuyao Chen, Mingyu Bao et al. • International Journal of Electrochemical Science
(2018)
Corrosion product films were formed on P110 casing steels by high-temperature and high-pressure autoclave in a CO2 environment induced by tensile stress. The effects of applied tensile stress on the protection characteristics and electroche...
DOAJ
Open Access (DOAJ)
DOI: 10.20964/2018.08.21
Anastasiia Kudriavtseva, Stefan Jarić, Nikita Nekrasov, Alexey V. Orlov et al. • Biosensors
(2024)
Graphene-based materials are actively being investigated as sensing elements for the detection of different analytes. Both graphene grown by chemical vapor deposition (CVD) and graphene oxide (GO) produced by the modified Hummers’ method ar...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/bios14050215
Vaishali Bane, Mary Lehane, Madhurima Dikshit, Alan O'Riordan et al. • Toxins
(2014)
Tetrodotoxin (TTX) is a naturally occurring toxin that has been responsible for human intoxications and fatalities. Its usual route of toxicity is via the ingestion of contaminated puffer fish which are a culinary delicacy, especially in Ja...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/toxins6020693
Niu Su, Er-Liang Cui, Yi-Wei Jiang, Hua-Xing Chen • European Physical Journal C: Particles and Fields
(2026)
Abstract Confirming the existence of hybrid states remains challenging due to their experimental indistinguishability from tightly bound tetraquarks and loosely bound molecules. To address this issue, we employ QCD sum rules to systematical...
DOAJ
Open Access (DOAJ)
DOI: 10.1140/epjc/s10052-026-15939-y
J. G. Learned, Karl Mannheim M • Annual Review of Nuclear and Particle Science
(2000)
▪ Abstract High-energy (>100 MeV) neutrino astrophysics enters an era of opportunity and discovery as the sensitivity of detectors approaches astrophysically relevant flux levels. We review the major challenges for this emerging field, amon...
OPENALEX
DOI: https://doi.org/10.1146/annurev.nucl.50.1.679
Yunlang Guo, Bo Wang, Xiangdong Li, Dongdong Liu et al. • The Astrophysical Journal
(2025)
Eclipsing millisecond pulsars (MSPs) are a type of pulsar binaries with close orbits (≲1.0 day). They are important objects for studying the accretion history of neutron stars (NSs), pulsar winds, and the origin of isolated MSPs, etc. Recen...
DOAJ
Open Access (DOAJ)
DOI: 10.3847/1538-4357/ae057b
Vinogradov I.S., Mamakhatov T.M. • Восточная Азия: факты и аналитика
(2024)
In recent years, the drug situation in China has generally stabilized, and according to official Chinese statistics, the number of drug addicts is reducing. However, China remains one of the key sources of synthetic drugs and precursors to ...
DOAJ
Open Access (DOAJ)
DOI: 10.24412/2686-7702-2024-1-69-84
Venkataramana Karri, Polamarasetty Nooka Appa Rao, Gopal Krishna Sanapala, V Vijaya Kumar et al. • Ianna Journal of Interdisciplinary Studies
(2025)
Background: Customer trust and loyalty are critical in today’s competitive business environment. Integrating technology, sustainability, and omnichannel approaches has been recognised as a key factor in enhancing customer experience. Howeve...
DOAJ
Open Access (DOAJ)
XU Xuejie, WANG Baohui • Jisuanji kexue
(2024)
Patent classification,which is used to assign multiple international patent classification(IPC) codes to a given paten,is a very important task int the field of patent data mining.In recent years,many studies on this task focus on mining pa...
DOAJ
Open Access (DOAJ)
DOI: 10.11896/jsjkx.230200199
Jia Xiaonan, Bi Jiaqi • Open Computer Science
(2026)
In order to improve the analysis effect of the international competitiveness of China’s new energy vehicle industry, this paper combines the improved AHP and grey relational analysis method to analyze the international competitiveness of Ch...
DOAJ
Open Access (DOAJ)
DOI: 10.1515/comp-2025-0047
Mingzhe Hao, Nianhua Kou, Chenglin Zeng • World Electric Vehicle Journal
(2023)
This paper integrates the Internet of Things (IoT) technology and a smart grid to build an electric power IoT architecture and analyzes the intelligent sensing technology and wireless communication technology in this electric power IoT. Thr...
DOAJ
Open Access (DOAJ)
DOI: 10.3390/wevj14080224
V. V. Novodvorskyi, G. K. Ivanitsky • Nauka ta progres transportu
(2023)
Purpose. Polymer products are used in industry due to their performance properties. The homogeneity of the melt is essential for the quality of the final product. Uniform distribution of components and properties ensures homogeneity of the ...
DOAJ
Open Access (DOAJ)
DOI: 10.15802/stp2023/282982
Yaoteng Zhang, Shuaipeng Wang, Yanlong Chen, Shiqing Wei et al. • IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
(2025)
To maintain marine ecosystem health, effective algae monitoring is essential. Traditional threshold-based methods and standard machine learning techniques often fall short in accurately and automatically distinguishing algae types. This stu...
DOAJ
Open Access (DOAJ)
DOI: 10.1109/JSTARS.2025.3571988
Liu Zhang, Zongchen Zhao, Xueying Lv, Xuanyun Zhang et al. • IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
(2026)
Infrared small target detection (IRSTD) remains a core challenge in remote sensing, mainly due to low signal-to-noise ratios, small target sizes, background interference, and large-scale variations. Although existing methods have achieved p...
DOAJ
Open Access (DOAJ)
DOI: 10.1109/JSTARS.2026.3685006
Barclay Kamb • Science
(1964)
From physical measurements on glaciers and experimental studies of ice properties a framework of concept and theory is being built which bids fair to place glaciers among the more quantitatively understandable phenomena in the earth science...
OPENALEX
DOI: https://doi.org/10.1126/science.146.3642.353
K. S. Olsen, K. Strong, K. A. Walker, K. A. Walker et al. • Atmospheric Measurement Techniques
(2017)
The primary instrument on the Greenhouse gases Observing SATellite
(GOSAT) is the Thermal And Near infrared Sensor for carbon
Observations (TANSO) Fourier transform spectrometer (FTS).
TANSO-FTS uses three short-wave infrared (SWIR) band...
DOAJ
Open Access (DOAJ)
DOI: 10.5194/amt-10-3697-2017