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1. Study on the mechanical properties of unsaturated polyester sandwich biocomposites composed of uniaxial warp-knitted and non-woven viscose fabrics

Author:
Skrifvars, Mikael; Dhakal, Hom; Zhang, Zhongyi; Gentilcore, Joseph; Åkesson, Dan
Source:
Composites 2019 v.121 pp. 196-206
ISSN:
1359-835X
Subject:
resistance to penetration,   etc   ; biocomposites; biodegradability; cellulose; fabrics; polyesters; tensile strength; viscose;     Show all 8 Subjects
Abstract:
... In this work, tensile, flexural and the low-velocity impact response of regenerated biodegradable warp-knitted and non-woven viscose fabric reinforced unsaturated polyester (UP) sandwich biocomposites are reported. Four different types of sandwich laminates comprised of different configurations as well as various weight fractions of warp knitted/non-woven fabrics were manufactured by vacuum infusi ...
DOI:
10.1016/j.compositesa.2019.03.025

2. One-Step in Situ Synthesis of Reduced Graphene Oxide/Zn–Al Layered Double Hydroxide Film for Enhanced Corrosion Protection of Magnesium Alloys

Author:
Yan, Luchun; Zhou, Meng; Pang, Xiaolu; Gao, Kewei
Source:
Langmuir 2019 v.35 no.19 pp. 6312-6320
ISSN:
1520-5827
Subject:
resistance to penetration,   etc   ; alloys; corrosion; crystallization; graphene; graphene oxide; magnesium; nanosheets; porous media; ultrasonic treatment;     Show all 10 Subjects
Abstract:
... As an effective and environmentally friendly material for corrosion prevention, layered double hydroxide (LDH) films have usually been degraded due to their inherent microporous structure. In this study, graphene derivatives were employed to enhance the corrosion resistance of LDH films. After ultrasonic treatment of a reaction solution mixture containing graphene oxide (GO) powder, a reduced grap ...
DOI:
10.1021/acs.langmuir.9b00529

3. Effect of surface modification and knife penetration angle on the Quasi-Static Knife Penetration Resistance of para-aramid fabrics

Author:
Usman Javaid, Muhammad; Militký, Jiří; Wiener, Jakub; Jabbar, Abdul; Salačová, Jana; Umair, Muhammad
Source:
The journal of the Textile Institute 2019 v.110 no.4 pp. 590-599
ISSN:
1754-2340
Subject:
resistance to penetration,   etc   ; cutting; friction; glass; image analysis; models; silica; tensile strength; thermodynamics; woven fabrics; yarns;     Show all 11 Subjects
Abstract:
... The focus of this paper is to describe the effect of change in surface friction of single layer para-aramid (Twaron®) square woven fabric and change in knife penetration angle on its Quasi-Static Knife Penetration Resistance (QSKPR). The surface friction of fabric was changed by depositing SiO₂ on its surface by using water glass as a precursor. Six different knife penetration angles (0°, 22.5°, 4 ...
DOI:
10.1080/00405000.2018.1496988

4. Soil acidification of the soil profile across Chengdu Plain of China from the 1980s to 2010s

Author:
Li, Qiquan; Li, Aiwen; Yu, Xuelian; Dai, Tianfei; Peng, Yueyue; Yuan, Dagang; Zhao, Bin; Tao, Qi; Wang, Changquan; Li, Bing; Gao, Xuesong; Li, Yiding; Wu, Deyong; Xu, Qiang
Source:
The Science of the total environment 2020 v.698
ISSN:
0048-9697
Subject:
resistance to penetration,   etc   ; Holocene epoch; Pleistocene epoch; acidification; acids; agricultural land; alluvium; land use change; rapeseed; roots; sand fraction; soil acidification; soil density; soil depth; soil pH; soil parent materials; soil profiles; topsoil; urban areas; urbanization; China;     Show all 21 Subjects
Abstract:
... Soil acidification is a major environmental issue associated with intensive agricultural land use. Rapid urbanization has inevitably caused great changes in agricultural land use around urban areas. However, the effects of agricultural land-use change and soil parent material on the pH dynamics of the whole soil profile remain poorly understood. Based on a paired soil resampling campaign in the 19 ...
DOI:
10.1016/j.scitotenv.2019.134320

5. Development of The Method on The Prediction of Soil Plat Penetration Resistance

Author:
Rizaldi, Taufik; Hermawan, Wawan; Mandang, Tineke; Pertiwi, Setyo; Rudiyanto,
Source:
Scientia Agriculturae Bohemica 2018 v.49 no.4 pp. 325-332
ISSN:
1805-9430
Subject:
resistance to penetration,   etc   ; neural networks; prediction; regression analysis; soil; wheels;     Show all 6 Subjects
Abstract:
... During operation, the lug wheels penetrate the soil and form certain angle to the soil surface at varying penetration depths. In order to determine the soil reaction force against plate penetration given to the soil, penetrometer was mounted on the plate. Plate sizes used in this experiment were 5×5 cm², 5×10 cm², 5×15 cm² and 5×20 cm². The measurement was carried out at varying angles and depths ...
DOI:
10.2478/sab-2018-0039

6. Localized Liquefaction Coupled with Rapid Solidification for Miniaturizing/Nanotexturizing Microfibrous Bioassemblies into Robust, Liquid-Resistant Sheet

Author:
Wu, Dong; Li, Limei; Wang, Ying; Meng, Zhengren; Qian, Xueren; Wang, Yongsheng; Shen, Jing
Source:
ACS sustainable chemistry & engineering 2018 v.6 no.11 pp. 15697-15707
ISSN:
2168-0485
Subject:
resistance to penetration,   etc   ; electronics; liquefaction; packaging materials; solidification; solvents;     Show all 6 Subjects
Abstract:
... Biopolymeric fibers with microscale diameters have long been commercially used to generate network-structured assemblies (paper-based products). Despite overwhelming productivity and widespread use, unconventional applications of these products are challenged by inherent imperfection related to limited internal bonding and an abundance of interfiber gaps, among other things. Here, we demonstrate t ...
DOI:
10.1021/acssuschemeng.8b04215

7. Wear modelling of soil ripper tine in sand and sandy clay by discrete element method

Author:
Katinas, Egidijus; Chotěborský, Rostislav; Linda, Miloslav; Jankauskas, Vytenis
Source:
Biosystems engineering 2019 v.188 pp. 305-319
ISSN:
1537-5110
Subject:
resistance to penetration,   etc   ; alloys; cobalt; energy; field experimentation; financial economics; friction; models; sand; sandy clay soils; tungsten;     Show all 11 Subjects
Abstract:
... Wear and friction cause huge economic losses in the agriculture and mining industries. Wear simulations of working elements, materials, and surfaces that can reduce downtime and economic losses. This work proposes the use a cone penetration resistance measurement result as option to determine movement resistance of soil ripper tine by the discrete element method. It allows avoiding mechanical prop ...
DOI:
10.1016/j.biosystemseng.2019.10.022

8. Microbially Induced Calcite Precipitation for Seepage Control in Sandy Soil

Author:
Gao, Yufeng; Tang, Xinyi; Chu, Jian; He, Jia
Source:
Geomicrobiology journal 2019 v.36 no.4 pp. 366-375
ISSN:
1521-0529
Subject:
resistance to penetration,   etc   ; bacteria; calcite; calcium; calcium chloride; irrigation canals; liquids; mercury; permeability; sandy soils; seepage; soil sampling; urea;     Show all 13 Subjects
Abstract:
... Microbially induced calcite precipitation (MICP) can reduce the permeability of soil by reducing the pore volumes. A MICP-based soil improvement method to control water leakage in irrigation channels and reservoirs built on sandy soil grounds is presented in this article. Using this method, a low-permeable hard crust can be formed at the soil surfaces. An experimental study was carried out to eval ...
DOI:
10.1080/01490451.2018.1556750

9. Predicting forwarder rut formation on fine-grained mineral soils

Author:
Sirén, Matti; Salmivaara, Aura; Ala-Ilomäki, Jari; Launiainen, Samuli; Lindeman, Harri; Uusitalo, Jori; Sutinen, Raimo; Hänninen, Pekka
Source:
Scandinavian journal of forest research 2019 v.34 no.2 pp. 145-154
ISSN:
1651-1891
Subject:
resistance to penetration,   etc   ; logging; mineral soils; models; planning; prediction; snowmelt; soil water; volumetric water content; water content; Finland;     Show all 11 Subjects
Abstract:
... Predictive factors for forwarder rut formation were studied on fine-grained mineral soils. The study was carried out in southern Finland in mid-May, when the soil water contents were high after snowmelt. A total of 7 study tracks of 20 m were cut with a harvester. After removing the logging residues, a loaded forwarder made 3–4 passes on each track. The forwarder rut depth was related to the total ...
DOI:
10.1080/02827581.2018.1562567

10. Iron and magnesium nano-oxide effects on some physical and mechanical properties of a loamy Hypocalcic Cambisol

Author:
Bayat, Hossein; Kolahchi, Zahra; Valaey, Saeed; Rastgou, Mostafa; Mahdavi, Shahriar
Source:
Geoderma 2019 v.335 pp. 57-68
ISSN:
0016-7061
Subject:
resistance to penetration,   etc   ; Cambisols; flocculation; iron; magnesium; nanoparticles; porosity; saturated hydraulic conductivity; soil density; soil structure; water content;     Show all 11 Subjects
Abstract:
... Nanoparticle effects on mechanical and physical properties of soil have rarely been investigated, particularly those of iron and magnesium nano-oxides. This study investigated the effects of the application of nano-oxides on total porosity, mean weight diameter (MWD) of aggregates, volumetric water content at a matric potential of −100 kPa, penetration resistance, and saturated hydraulic conductiv ...
DOI:
10.1016/j.geoderma.2018.08.007

11. The development of novel auxetic woven structure for impact applications

Author:
Liaqat, Muhammad; Samad, Hafiz Abdul; Hamdani, Syed Talha Ali; Nawab, Yasir
Source:
The journal of the Textile Institute 2017 v.108 no.7 pp. 1264-1270
ISSN:
1754-2340
Subject:
resistance to penetration,   etc   ; processing technology; woven fabrics;     Show all 3 Subjects
Abstract:
... Nowadays, the auxetic materials, auxetic reinforcement as well as auxetic composite are under the great attention of scientific research due to having excellent mechanical properties. In the current research work, the impact resistance of composite was improved by modifying the four layer through the thickness woven structure, that was used as reinforcement. A comparison was made between the stand ...
DOI:
10.1080/00405000.2016.1239330

12. Least limiting water as a soil indicator in an integrated crop-livestock systems of the Cerrado, Brazil

Author:
Tavanti, Renan Francisco Rimoldi; Freddi, Onã da Silva; Marchioro, Vinicius; Tavanti, Tauan Rimoldi; Galindo, Fernando; Wruck, Flávio Jesus; Shiratsuchi, Luciano; Breda, Carlos Cesar
Source:
Geoderma regional 2019 v.19 pp. e00232
ISSN:
2352-0094
Subject:
resistance to penetration,   etc   ; Oxisols; bulk density; cerrado; corn; georeferencing; integrated agricultural systems; management systems; models; no-tillage; plant growth; porosity; soil compaction; soil properties; soybeans; Brazil;     Show all 16 Subjects
Abstract:
... The least limiting water range (LLWR) is widely used as an agronomic indicator of soil physical quality, however few studies have reported its spatial variability, mainly in integrated crop-livestock systems (ICL). This study aimed to evaluate the spatial dependence of LLWR and its limits that establish the minimum physical and water restrictions for plant growth in an Oxisol under ICL systems. In ...
DOI:
10.1016/j.geodrs.2019.e00232

13. Effects of land rolling on soil properties and plant growth in chickpea production

Author:
Gürsoy, Songül; Türk, Zübeyir
Source:
Soil & tillage research 2019
ISSN:
0167-1987
Subject:
resistance to penetration,   etc   ; chickpeas; grain yield; planting; production technology; root growth; root shoot ratio; roots; shoots; soil compaction; soil strength; soil water; temperature; water content;     Show all 14 Subjects
Abstract:
... Land rolling after planting is a common practice in legume production systems in order to smooth the soil surface and improve plant growth by increasing root-soil contact. However, excessive soil compaction due to land rolling can increase soil strength and hamper root growth. The aim of this study was to evaluate the potential effects of land rolling on some soil properties and plant growth param ...
DOI:
10.1016/j.still.2019.104425

14. Monitoring agricultural field trafficability using Sentinel-1

Author:
Carranza, Coleen; Benninga, Harm-jan; van der Velde, Rogier; van der Ploeg, Martine
Source:
Agricultural water management 2019 v.224
ISSN:
0378-3774
Subject:
resistance to penetration,   etc   ; crops; farmers; farming systems; fields; harvesting; monitoring; probability; probability analysis; root growth; satellites; soil compaction; soil water; spring; temporal variation; tillage; traffic; trafficability;     Show all 18 Subjects
Abstract:
... The use of heavy mobile machinery in agriculture for tillage and harvesting is now indispensable since it facilitates farming over large areas. However, one of the impacts of regular and prolonged use of heavy mobile machinery is soil compaction. To help minimize this harmful effect, trafficability of agricultural fields needs to be determined. Soil moisture acts as one of the dominant controls fo ...
DOI:
10.1016/j.agwat.2019.105698

15. Effects of compaction on soil hydraulic properties, penetration resistance and water flow patterns at the soil profile scale

Author:
Mossadeghi‐Björklund, Mona; Jarvis, Nicholas; Larsbo, Mats; Forkman, Johannes; Keller, Thomas
Source:
Soil use and management 2019 v.35 no.3 pp. 367-377
ISSN:
0266-0032
Subject:
resistance to penetration,   etc   ; bulk density; dyes; field experimentation; plows; porosity; preferential flow; saturated hydraulic conductivity; soil compaction; soil profiles; traffic; water flow;     Show all 12 Subjects
Abstract:
... The aim of this study was to quantify the effects of compaction on water flow patterns at the soil profile scale. Control and trafficked plots were established in field trials at two sites. The trafficked treatment was created by four passes track‐by‐track with a three‐axle dumper with a maximum wheel load of 5.8 Mg. One year later, dye‐tracing experiments were performed and several soil mechanica ...
DOI:
10.1111/sum.12481

16. Optimization of parameters affecting organic mulch test to control erosion

Author:
Shojaei, Saeed; Hakimzadeh Ardakani, Mohammad Ali; Sodaiezadeh, Hamid; jafari, Mohammad; afzali, Seyed fakhreddin
Source:
Journal of environmental management 2019
ISSN:
0301-4797
Subject:
resistance to penetration,   etc   ; adhesion; arid lands; biosolids; ecosystems; erosion control; models; molasses; organic mulches; pollution; response surface methodology; soil; straw; wind erosion;     Show all 14 Subjects
Abstract:
... Wind erosion is considered as one of the most influential factors in the destruction of land in arid and deserted areas. There is a weak ecosystem in arid lands which wind erosion can move soil particles. Mulch is a compound that is used nowadays to control wind erosion. This study aims to create organic mulch in order to prevent wind erosion and environmental pollution. In order to create this ty ...
DOI:
10.1016/j.jenvman.2019.109414

17. Automatic Recovery Estimation of Degraded Soils by Artificial Neural Networks in Function of Chemical and Physical Attributes in Brazilian Savannah Soil

Author:
Bonini Neto, A.; Bonini, C. S. B.; Reis, A. R.; Piazentin, J. C.; Coletta, L. F. S.; Putti, F. F.; Heinrichs, R.; Moreira, A.
Source:
Communications in soil science and plant analysis 2019 v.50 no.14 pp. 1785-1798
ISSN:
1532-2416
Subject:
resistance to penetration,   etc   ; Oxisols; algorithms; base saturation; bulk density; cation exchange capacity; magnesium; neural networks; neurons; pH; phosphorus; porosity; potassium; savanna soils; soil degradation; soil physics; weathering;     Show all 17 Subjects
Abstract:
... The Oxisols is predominant in 54% of Brazilian territories and characterized by high weathering, relatively low chemical properties, and adequate structure. This study aimed to analyze the Oxisols through an Artificial Neural Network (ANN) with the purpose of estimating its recovery in function to soil chemical and physical attributes. The chemical attributes considered were: pH, cation exchange c ...
DOI:
10.1080/00103624.2019.1635144

18. Tillage practices alter the surface energy balance – a review

Author:
O’Brien, Peter L.; Daigh, Aaron L.M.
Source:
Soil & tillage research 2019 pp. 104354
ISSN:
0167-1987
Subject:
resistance to penetration,   etc   ; energy balance; evaporation; heat; porosity; seedbeds; soil organic matter; soil temperature; surface roughness; tillage; weeds; wet-dry cycles;     Show all 12 Subjects
Abstract:
... Tillage is commonly implemented worldwide to improve crop productivity by optimizing soil temperature and moisture, reducing penetration resistance of the seedbed, and suppressing weeds. However, these benefits are accompanied by drawbacks, including increased erosion and loss of soil organic matter. Research continues on how to maximize benefits and minimize drawbacks of tillage in a range of agr ...
DOI:
10.1016/j.still.2019.104354

19. Prediction of organic potato yield using tillage systems and soil properties by artificial neural network (ANN) and multiple linear regressions (MLR)

Author:
Abrougui, Khaoula; Gabsi, Karim; Mercatoris, Benoît; Khemis, Chiheb; Amami, Roua; Chehaibi, Sayed
Source:
Soil & tillage research 2019 v.190 pp. 202-208
ISSN:
0167-1987
Subject:
resistance to penetration,   etc   ; artificial intelligence; crop yield; edaphic factors; microbial biomass; neural networks; organic foods; potatoes; prediction; soil microorganisms; soil organic matter; soil properties; tillage;     Show all 13 Subjects
Abstract:
... Tillage aims to prepare the soil with the adequate treatment to create the ideal and most favorable conditions for cultivation. To evaluate the effect of tillage systems on soil environment, it is mandatory to measure the modifications in physical, chemical and biological properties. In recent decades, artificial intelligence systems were used for developing predictive models to simplify, estimate ...
DOI:
10.1016/j.still.2019.01.011

20. Residues with varying decomposability interact differently with seed or root exudate compounds to affect the biophysical behaviour of soil

Author:
Oleghe, E.; Naveed, M.; Baggs, E.M.; Hallett, P.D.
Source:
Geoderma 2019 v.343 pp. 50-59
ISSN:
0016-7061
Subject:
resistance to penetration,   etc   ; barley; barley straw; carbon dioxide; clay loam soils; drying; emissions; porosity; poultry manure; root exudates; sandy loam soils; soil amendments; soil physical properties; weathering;     Show all 14 Subjects
Abstract:
... Plants have a large impact on the physical behaviour of soil, partly due to seed and root exudates that alter mineral:organic matter associations. In this study we explored how the decomposability of residues in soil interacts with seed or root exudate compounds to influence microbial respiration, mechanical behaviour and hydrological properties. Sandy loam and clay loam soils were amended at a ra ...
DOI:
10.1016/j.geoderma.2019.02.023