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Shuqi Li, Yunhu Liu, Hao Yuan, Jianping Liang, Min Zhang, Yao Li and Dezheng Yang
In this paper, a high-density gas?liquid discharge plasma is obtained combined with nanosecond pulse voltage and a floating electrode. The discharge images, the waveforms of pulse voltage and discharge current, and the optical emission spectra are record...
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Roberto Peron and Enrico C. Lorenzini
A dedicated mission in low Earth orbit is proposed to test predictions of gravitational interaction theories and to directly measure the atmospheric density in a relevant altitude range, as well as to provide a metrological platform able to tie different...
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Luís M. B. C. Campos and Paulo J. S. Gil
The two dimensional gravity turn problem is addressed allowing for the effects of variable rocket mass due to propellant consumption, thrust and thrust vector angle, lift and drag forces at an angle-of-attack and atmospheric mass density varying with alt...
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Roberto Peron and Enrico C. Lorenzini
A dedicated mission in low Earth orbit is proposed to test predictions of gravitational interaction theories and to directly measure the atmospheric density in a relevant altitude range, as well as to provide a metrological platform able to tie different...
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Boumdouha Noureddine, Safidine Zitouni, Boudiaf Achraf, Chabane Houssém, Duchet-Rumeau Jannick and Gerard Jean-François
In this paper, different types of polyurethane foams (PUR) having various chemical compositions have been produced with a specific density to monitor the microstructure as much as possible. The foam may have a preferential orientation in the cell structu...
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Tirtha Banerjee and Rodman Linn
Quantifying the impact of natural and anthropogenic disturbances such as deforestation, forest fires and vegetation thinning among others on net ecosystem?atmosphere exchanges of carbon dioxide, water vapor and heat?is an important aspect in the context ...
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Tiantian Li, Sumei Wan, Guodong Chen, Zhengjun Cui, Jinbin Wang, Zhilong Fan and Yunlong Zhai
Increasing agricultural yields and reducing greenhouse gas (GHG) emissions are the main themes of agricultural development in the 21st century. This study investigated the yield and GHGs of a jujube?alfalfa intercropping crop, relying on a long-term fiel...
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Kedong Wang, Zhennan Li and Shaoxiong Zhang
The navigation by the stellar refraction is important for a LEO (Low-Earth-Orbit) satellite, especially in a GNSS (Global Navigation Satellite System)-denied environment, since it is totally autonomous. However, the biggest barrier to the accurate naviga...
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Andrey Puchkov and Evgeny Yakovlev
The paper is devoted to the assessment of the content of anthropogenic radionuclides in tundra landscapes of the subarctic zone of Russia. The authors of the article studied the features of accumulation and migration of anthropogenic radionuclides and id...
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Zekang Liu, Peng Wang, Ran Dong, Wei Gong, Jingjie Li, Dichao Dai, Hui Yan and Yongzhe Zhang
Today, colloidal quantum dots (CQDs) have received wide attention due to their properties of tunable infrared absorption. For example, HgTe colloidal quantum dots have shown excellent optical absorption (absorption coefficient a > 104 cm-1), spectral abs...
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Amélie Cohu, Matias Tramontini, Antoine Chevalier, Jean-Christophe Ianigro and Jacques Marteau
Muon tomography or muography is an innovative imaging technique using atmospheric muons. The technique is based on the detection of muons that have crossed a target and the measurement of their attenuation or deviation induced by the medium. Muon flux mo...
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Mariana Machado Toffolo, Federica Grilli, Catia Prandi, Stefano Goffredo and Mauro Marini
Climate change is one of the main problems currently strongly conditioning ecosystems all over the world. Coastal lagoons are amongst the most vulnerable habitats, and they are undergoing extensive human impact due to their high production rates and the ...
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Camilo Riano-Rios, Alberto Fedele and Riccardo Bevilacqua
In this paper, relative orbit and attitude adaptive controllers are integrated to perform roto-translational maneuvers for CubeSats equipped with a Drag Maneuvering Device (DMD). The DMD enables the host CubeSat with modulation of aerodynamic forces/torq...
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Vladimir A. Sreckovic, Desanka M. ?ulic, Veljko Vujcic, Zoran R. Mijic and Ljubinko M. Ignjatovic
Strong radiation from solar X-ray flares can produce increased ionization in the terrestrial D-region and change its structure. Moreover, extreme solar radiation in X-spectral range can create sudden ionospheric disturbances and can consequently affect d...
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Yuhan Cao, Chunyan Li and Changming Dong
Atmospheric cold front-generated waves play an important role in the air?sea interaction and coastal water and sediment transports. In-situ observations from two offshore stations are used to investigate variations of directional waves in the coastal Lou...
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Tanziha Mahjabin, Charitha Pattiaratchi, Yasha Hetzel and Ivica Janekovic
Along the majority of Australian shallow coastal regions, summer evaporation increases the salinity of shallow waters, and subsequently in autumn/winter, the nearshore waters become cooler due to heat loss. This results in the formation of horizontal den...
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Yuquan Zhang, Sheng Hong, Jinran Lin and Yuan Zheng
The corrosion behavior of unsealed and sealed high-velocity oxygen-fuel (HVOF)-sprayed nanostructured WC-CoCr cermet coatings under different corrosive environments was investigated using scanning electron microscopy (SEM), open circuit potential (OCP), ...
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Fei Yang, Jiming Guo, Junbo Shi, Yinzhi Zhao, Lv Zhou and Shengdeng Song
The spatio-temporal distribution of atmospheric water vapor information can be obtained by global positioning system (GPS) water vapor tomography. GPS signal rays pass through the tomographic area from different boundaries because the scope of the resear...
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Benedetta Barozzi, Alice Bellazzi, Claudio Maffè and Italo Meroni
Green roofs are one of the most extensively investigated roofing technologies. Most of the bibliographical studies show results of researches focused on the analysis of different configurations of green roofs, but only few researches deal with the calcul...
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Athanasios G. Kanaris, Theodosios I. Pavlidis, Ariadni P. Chatzidafni and Aikaterini A. Mouza
This work concerns the performance of bubble columns equipped with porous sparger and investigates the effect of gas phase properties by conducting experiments with various gases (i.e., air, CO2, He) that cover a wide range of physical property values. T...
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