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Jie Li, Longyi Shao, Lingli Chang, Jiaoping Xing, Wenhua Wang, Wenjun Li and Daizhou Zhang
Beijing frequently experiences dust storms during spring, which result in deteriorated visibility and cause negative health impacts. In this paper, the dust particles were collected during a dust storm episode on 4–5 May 2017 in Beijing, and the sa...
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Giovanni Passalacqua, Claudio Iuppa and Carla Faraci
Plastic is one of the most widely used materials. It is expected that there will be about 12 billion tons of debris dispersed into the environment by 2050. This, combined with marine littering, pollution and climate change will threaten our ability to su...
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José Luis Rivera-Armenta, Beatriz Adriana Salazar-Cruz, Ana Cecilia Espindola-Flores, Diana Samantha Villarreal-Lucio, Claudia María De León-Almazán and Jorge Estrada-Martinez
The use of plant waste, such ashusks, fibers, and bagasse, as additives in polymeric matrices generated great interest recently, since they became an option to be used as additives, reinforcers, or only as fillers. The pistachio is a seed for human consu...
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Pavel Élesztos, Ladislav Écsi, Roland Janco, Jana Gabková
Pág. 15 - 19
This article is devoted to the solution of the thermal field of a particle for Bi > 0 with an ideal spherical shape and the behavior of the temperature in the fluid phase with countercurrent contact.After establishing the underlying simplified assumpt...
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Iwan H. Sahputra, Alessio Alexiadis and Michael J. Adams
Viscoelastic bonds intended for Discrete Multiphysics (DMP) models are developed to allow the study of viscoelastic particles with arbitrary shape and mechanical inhomogeneity that are relevant to the pharmaceutical sector and that have not been addresse...
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A. UMBRIA,M. GALÁN,M. J. MUÑOZ,R. MARTÍN
Campo de Gibraltar is a highly industrialized area situated in the South of Spain around Algeciras bay (36º 7?N, 5º27?W). This area has an advantageous situation from a geographical, geological and botanical points of view. Ho...
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Eleni Rosolymou, Stella Spanou, Caterina Zanella, Dimitris S. Tsoukleris, Susanne Köhler, Peter Leisner and Evangelia A. Pavlatou
Direct current electrodeposited Sn?Ni/TiO2 nanostructured coatings were produced by embedding two different doped types of TiO2 particles within the alloy matrix, a commercially available doped carbon-based and doped N,S-TiO2 particles. The structural ch...
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Lianjun Chen, Yang Zhang, Pengcheng Li and Gang Pan
This paper aims to reveal the motion law and collision behaviors of shotcrete particle flow jets. A physical model of the jet flow field composed of a nozzle structure and jet area was constructed and meshes with various sizes were used to mesh the nozzl...
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Qingchao Fang, Xin Zhao, Sunbo Li, Zhengsong Qiu, Zhiyuan Wang and Qi Geng
Effective control of the cohesive force between hydrate particles is the key to prevent their aggregation, which then causes pipeline blockage. The hydrophilic?lipophilic balance (HLB) value of surfactants was proposed as an important parameter for the e...
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Bo-Wei Li, Min-Cheng Zhong and Feng Ji
Laser induced Marangoni convection can be used to accumulate micro-particles. In this paper, a method is developed to control and accumulate the light absorbing particles dispersed in a thin solution layer. The particles are irradiated by a focused laser...
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Yingying Wang, Bernard Normand, Xinkun Suo, Marie-Pierre Planche, Hanlin Liao and Junlei Tang
As an emerging coating building technique, cold spraying has many advantages to elaborate Mg alloy workpieces. In this study, AZ91D coatings and AZ91D-based composite coatings were deposited using cold spraying. Coatings were prepared using different gas...
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Miao Ba, Zhanping Zhang and Yuhong Qi
Particles can be used to improve the mechanical properties of fouling release coatings based on polydimethylsiloxane (PDMS). In this study, coatings were prepared by high speed stirring using seven types of particles, with different particle size from na...
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Liang Xu, Lei Liu, Jian Zhang, Yinxiao Zhang, Yong Ren, Xin Wang and Weijun Li
Northeast China is located in a high latitude area of the world and undergoes a cold season that lasts six months each year. Recently, regional haze episodes with high concentrations of fine particles (PM2.5) have frequently been occurring in Northeast C...
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Tetiana Nadryhailo,Viktor Vernyhora,Alexander Korobochka,Alexander Sasov
Pág. 21 - 31
Thousands of tons of metal-containing sludge are produced every month at machine-building, especially bearing producing and metallurgy enterprises where is processed. In the production of bearings, up to 10.0 thousand tons of sludge containing up to...
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Caterina Lesaint Rusu, Malin Brodin, Tor Inge Hausvik, Leif Kåre Hindersland, Gary Chinga-Carrasco, Mari-Ann Einarsrud and Hilde Lea Lein
The top layer of a typical high pressure floor laminate (HPL) consists of a melamine formaldehyde (MF) impregnated special wear layer (overlay) with alumina particles. This top layer plays a crucial role in determining the mechanical properties of the la...
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Alla Khosrovyan, Hranush Melkonyan, Lilit Rshtuni, Bardukh Gabrielyan and Anne Kahru
The effect of 96 h exposure of the goldfish Carassius auratus to two different types of bioplastic particles, originating from commercial shopping bag (Bag, ~5 mm) and polylactic acid-based (PLA) cup (Cup, =5 mm), and petroleum-based polyamide particles ...
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Yuan-Hang Zhang, Xiao-Jie Wang, Xu-Zhen Zhang, Maoukouf Saad and Rui-Jie Zhao
The deep sea harbors abundant mineral, oil, and gas resources, making it highly valuable for commercial development, including the extraction of minerals. Due to the relatively large particle size of these minerals, how they interact with fluids is signi...
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Fan Zhou, Naichao Chen and Fasong Ju
To improve the growth rate of chemical vapor deposition (CVD) diamond coating, increasing the chemical reaction rate is essential. A novel method of dispersing graphene oxide (GO) particles as adsorbent on the substrate prior to deposition was proposed, ...
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Wolfgang Tillmann, Mohamed Abdulgader, Leif Hagen and Steffen Hüning
The low melting point of Sn-based Babbitt alloys often causes nozzle clogging in the low-pressure cold gas-dynamic spraying (LPCGDS) process, which impacts the process steadiness and the coating quality. Adding hard particles to the feedstock material el...
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Maximilian Pérez Prada, Sarah Barnes and Maurice Stephan
Cosmic ray tomography is an emerging imaging technique utilizing an ambient source of radiation. One common tomography method is based on the measurement of muons scattered by the examined objects, which allows the reconstruction and discrimination of ma...
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