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Journal articles on the topic 'Lengthy materials'

Author: Grafiati

Published: 28 May 2022

Last updated: 30 July 2025

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1

Kai Jian, Ding. "Developing the theory of continuous pressing products made of ultra - dispersed composite powder materials." Interactive science, no. 6 (82) (July 28, 2023): 58–61. http://dx.doi.org/10.21661/r-559449.

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In article there are discussed the basic results of theoretical investigating continuous ultra-dispersed powder materials pressing process for obtaining lengthy products with nano-crystal structure. Within the framework of the hypothesis about similarity under stress conditions in compressible and incompressible materials in the pressing channel, the pressure distribution along the pressing channel is established. Using G.M. Zhdanovich equation with new material density distribution boundary conditions along the length of the pressing channel is found.

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2

Chashnikova, Ekaterina. "Localisation of promotional materials for pharma." Medical Writing 33, no. 1 (2024): 58–61. http://dx.doi.org/10.56012/ajhl9537.

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Unwarranted changes by the client, lengthy approvals, and multiple rounds of revision – localisation of promotional materials for pharmaceutical companies can become a nightmare if the localisation specialist is unaware of heavy regulations in the industry. The goal of localisation is not only to convey the meaning in the target language, but also to adapt the content for another country or region. When localising promotional materials for the pharmaceutical market, the secret to success lies in placing them in a wider context and accounting for additional factors such as content creation work

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3

Liu, J. H., A. G. Atkins, and G. Jeronimidis. "Relationship Between the External Force and the Specific Work of Fracture R for Steady-State Tearing and Peeling of Elastoplastic Materials." Journal of Applied Mechanics 68, no. 5 (2001): 758–65. http://dx.doi.org/10.1115/1.1387020.

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A simple relationship is obtained between the external force F and the fracture toughness R for thin sheets in steady state elastoplastic combined tearing and peeling along self-similar paths. The relationship depends only on the material properties (E, σy, and α for an elastoplastic material with linear hardening) and strip cross section (B and H). An earlier analysis (which incorporates transient tearing and peeling) requires lengthy computations over the whole length of the strip. The present analysis avoids that complication. Experiments in steady-state agree with the theory.

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4

Glagolev, V. V., P. V. Zubarev, and A. G. Sintsov. "Strength of the pyroceram So115M under lengthy static loading." Strength of Materials 28, no. 1 (1996): 74–75. http://dx.doi.org/10.1007/bf02209103.

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5

Mishchenko, L. D., I. N. Pisanenko, V. P. Tarabanova, and S. S. D'yachenko. "Nature of crack nucleation in lengthy operation of turbine castings." Strength of Materials 20, no. 2 (1988): 271–73. http://dx.doi.org/10.1007/bf01522938.

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6

Taneja, Tanvi, Mukesh Kumar, Indu Sharma, Atul Sharma, and Raj Singh. "The Role of Mycobiota in the Process of Composting of Biomass and Assessment." Bulletin of Pure & Applied Sciences- Botany 42, no. 1 (2023): 19–26. http://dx.doi.org/10.48165/bpas.2023.42b.1.4.

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Various fungi play a crucial part in the decomposition of organic materials during composting, which is a cost-effective process of converting various unstable and complicated organic substances into a stable and humus-like substance. Composting is the regulated transformation of wastes and biodegradable organic materials into stable products with the help of microbes. Although composting has been around for a while, it still has significant drawbacks that limit how widely it is utilized and how effectively it works. Microbes detection, nutrient status that is low, a lengthy composting process

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7

Williams, Chris. "Use of written cognitive–behavioural therapy self-help materials to treat depression." Advances in Psychiatric Treatment 7, no. 3 (2001): 233–40. http://dx.doi.org/10.1192/apt.7.3.233.

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Both primary and secondary care practitioners often wish to offer their patients access to effective psychosocial interventions, yet the lengthy waiting-lists for specialised psychological or psychotherapeutic services create frustration among both referrers and their patients. There is therefore a need for new ways of accessing such treatments that can be delivered in most psychiatric team settings. For this to be realistic, such delivery must be possible within the time available to most practitioners (10–20 minutes for many consultant psychiatrists). One approach is to offer structured self

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8

Shcherbakov, A. S., and E. I. Andreeva. "Performance Data of Lengthy-Span Soliton Transmission System." Optical Fiber Technology 2, no. 2 (1996): 127–33. http://dx.doi.org/10.1006/ofte.1996.0014.

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9

Suryaningsih, Sherly, Vania Zulfa, and Hamiyati. "The effect of Lemna perpusilla Torr. (Araceae) as fodder in the growth of Osphronemus goramy Lacépède, 1801." Bioma 20, no. 1 (2024): 21–29. http://dx.doi.org/10.21009/bioma20(1).3.

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Production of gourami as consumption fish is rather lengthy, as it attains commercial size in 1—2 years, longer than other commercial fish. Therefore, fish production is hampered by higher fodder costs. It is a normal practice in gourami rearing, that farmers supplement commercial fodder with naturally available fodder, especially from material such as taro leaves. However, some materials may contain less nutrients, compared to others. It is why we propose the use of Lemna perpusilla, a widely distributed water aroid as gourami fodder supplement. We measured the growth of gourami fries, which

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10

Kahn, Alice, and Mary Pannbacker. "Readability of Educational Materials for Clients With Cleft Lip/Palate and Their Families." American Journal of Speech-Language Pathology 9, no. 1 (2000): 3–9. http://dx.doi.org/10.1044/1058-0360.0901.03.

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Educational materials for clients with cleft lip/palate and their families and materials for the general public produced by the American Speech-Language-Hearing Association were analyzed for readability. The SMOG Grading Formula, a simple, fast procedure for predicting grade-level difficulty of written material, and the Fry index of readability, a more lengthy measure of readability, were used to analyze 30 publications. Reading levels were computed, and results ranged from elementary to college level. The majority of materials were written at or above the high school readability level. Result

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11

Kovpak, V. I. "Phenomenological foundations of methods of predicting long-time strength and creep of metallic materials for lengthy service." Strength of Materials 25, no. 1 (1993): 48–57. http://dx.doi.org/10.1007/bf00767735.

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12

Muhammad Shurhabeel, Kiran Batool, Mohammad Hamza Najeeb, et al. "The Developing Field of Hybrid Perovskite Semiconductor Nanomaterials: A Survey of Recent Advances in their Production and Usage for Optoelectronic Applications." JOURNAL OF NANOSCOPE (JN) 4, no. 2 (2023): 45–68. http://dx.doi.org/10.52700/jn.v4i2.85.

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Due to its distinctive characteristics, including high absorption coefficients, lengthy carrier diffusion lengths, and variable bandgap energies, hybrid perovskite semiconductor nanomaterials have become a potential class of materials for a variety of optoelectronic applications. In this article, we present a thorough analysis of current advancements in the production and application of hybrid perovskite semiconductor nanomaterials. We go over the different ways to create these materials, such as hybrid techniques, vapor-phase deposition, and solution-phase synthesis. We also emphasize the dif

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13

Samsonov, A. M., G. V. Dreiden, and I. V. Semenova. "Do the bulk solitary strain waves decay?" Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 222, no. 10 (2008): 1975–80. http://dx.doi.org/10.1243/09544062jmes881.

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Non-linearly elastic materials may provide generation of strain solitons, even under short-run and reversible (elastic) loading. Theoretical and experimental studies have been performed to prove the existence of long bulk strain solitary waves produced by a laser-induced shock wave in non-linearly elastic isotropic wave guides. Propagation of the bulk solitary density waves is studied in lengthy (over 0.5 m long) elastic wave guides, which have strong dispersion and are made of polymers with remarkable decay of any of the linear or shock waves at short distances. New experiments in lengthy bar

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14

Arunachalam, V. S., and R. Bhaskar. "Bounded Rationality and Materials Selection." MRS Bulletin 24, no. 10 (1999): 57–61. http://dx.doi.org/10.1557/s0883769400053264.

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The vulnerabilities inherent in choosing an innovative material for a design can make for technological catastrophe. The points of weakness are not dependent on the technical nature of the innovation, but instead are intrinsic to human problem-solving and decision-making. We present a computational approach for managing and containing this fallibility using ideas from cognitive science and artificial intelligence, in particular, understanding how the boundedly rational behavior of humans and organizations leads to specific kinds of errors that affect the choice and use of materials.Materials c

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15

Vârban, Rodica, Ioana Crișan, Dan Vârban, et al. "Comparative FT-IR Prospecting for Cellulose in Stems of Some Fiber Plants: Flax, Velvet Leaf, Hemp and Jute." Applied Sciences 11, no. 18 (2021): 8570. http://dx.doi.org/10.3390/app11188570.

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Plant fibers are sustainable sources of materials for many industries, and can be obtained from a variety of plants. Cellulose is the main constituent of plant-based fibers, and its properties give the characteristics of the fibers obtained. Detailed characterization of cellulosic fibers is often performed after lengthy extraction procedures, while fast screening might bring the benefit of quick qualitative assessment of unprocessed stems. The aim of this research was to define some marker spectral regions that could serve for fast, preliminary qualitative characterization of unprocessed stems

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Maniraj, J., Felix Sahayaraj Arockiasamy, C. Ram Kumar, et al. "Machine Learning Techniques for the Design and Optimization of Polymer Composites: A Review." E3S Web of Conferences 428 (2023): 02013. http://dx.doi.org/10.1051/e3sconf/202342802013.

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Polymer composites are employed in a variety of applications due to their distinctive characteristics. Nevertheless, designing and optimizing these materials can be a lengthy and resourceintensive process for low cost and sustainable materials. Machine learning has the potential to simplify this process by offering predictions of the characteristics of novel composite materials based on their microstructures. This review outlines machine learning techniques and highlights the potential of machine learning to improve the design and optimization of polymer composites. This review also examines t

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17

Farsani, Marzie Jamshidi, Hassan Rabani, and Mohammad Mardaani. "Spin-dependent electronic transport of a lengthy ladder-like magnetic nanoribbon." Journal of Magnetism and Magnetic Materials 465 (November 2018): 270–77. http://dx.doi.org/10.1016/j.jmmm.2018.05.062.

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18

Firsin, A. O., R. A. Vdovin, E. S. Goncharov, and I. D. Markanov. "Design and manufacture of parts and assemblies of aerospace structures made of composite materials in conditions of additive manufacturing." Omsk Scientific Bulletin. Series Aviation-Rocket and Power Engineering 8, no. 1 (2024): 86–94. http://dx.doi.org/10.25206/2588-0373-2024-8-1-86-94.

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This article raises the topic of modernization of existing technological processes of procurement production in terms of eliminating the expensive and lengthy stage of designing and manufacturing metal molds and the introduction of 3D printing technologies. The article provides information about 3D printing technology based on the extrusion method. Information is provided on the main stages of designing the tooling for the «Insert» part, taking into account the features and limitations associated with printing on 3D printers. As part of the study, the roughness and shrinkage of test samples ar

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19

Uvarov, A. I. "Local Form of Loss of Stability of Honeycomb Energy Absorber Plates." Herald of the Bauman Moscow State Technical University. Series Mechanical Engineering, no. 2 (137) (June 2021): 4–15. http://dx.doi.org/10.18698/0236-3941-2021-2-4-15.

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Landing devices perform the energy absorption function during the spacecraft motion. Precise analytical solution to the problem of stability of a lengthy plate with free edge exposed to the edge compressive load was obtained in order to analyze operation of the honeycomb materials used in structural elements absorbing the moving bodies energy. General solution analysis of the differential equation for a lengthy plate bending in the deflected position was carried out, and general solution is subjected to the boundary conditions corresponding to the loaded free edge. Critical load value and form

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20

Doveri, Lavinia, Azhar Mahmood, and Piersandro Pallavicini. "Nanoimprinted Materials for Nanoparticle Sensing and Removal." Nanomaterials 15, no. 3 (2025): 243. https://doi.org/10.3390/nano15030243.

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The booming expansion of nanotechnology poses the problem of environmental pollution by nanoparticles (NPs). The available methods for sensing and removing NPs from the environment are typically lengthy and instrumentally demanding. The recent introduction of NP-imprinted polymers (NPIPs), either as films or bulk materials, is an important step toward the simple and fast sensing and removal of NPs from water and air. Similarly to the well-established molecularly imprinted polymers, in NPIPs, an organic or inorganic polymeric material is first obtained with embedded NPs. Then, the NPs are chemi

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21

Flores-López, Samantha L., Sara F. Villanueva, Natalia Rey-Raap, and Ana Arenillas. "Hybrid RF-Si Xerogels: A Cost-Effective Proposal for Insulator Materials." Materials 15, no. 1 (2021): 265. http://dx.doi.org/10.3390/ma15010265.

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Hybrid xerogels RF/Si were synthesized by controlling the chemical variables involved in the polymerization process (i.e., molar ratios, dilution ratio, catalysts, etc.) and evaluated as insulator materials. Higher insulating performances were recorded for these hybrids compared with their counterparts made from only one of their components (i.e., RF or Si xerogels with similar porous characteristics). The analysis of chemical and structural features correlated with heat transfer methods was useful in understanding the sum of contributions involved in the thermal conductivity of RF/Si xerogels

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22

Hashiguchi, Don, James Marder, and Roger Paquin. "Beryllium Optics Enable Advanced Space Telescopes." AM&P Technical Articles 173, no. 8 (2015): 20–27. http://dx.doi.org/10.31399/asm.amp.2015-08.p020.

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Abstract Beryllium won a lengthy competition as the material of choice for the mirrors on the James Webb Space Telescope, set to launch in 2018. This article documents the development history leading up to that decision. It took decades to perfect powder atomization and HIP'ing processes to make optical-grade beryllium components homogeneous, isotropic, polishable, thermally and dimensionally stable, and above all, predictable.

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23

Duardovich, I. "The case of the Keeper of antiquities. Materials from the1939 criminal case file." Voprosy literatury, no. 4 (August 19, 2021): 239–85. http://dx.doi.org/10.31425/0042-8795-2021-4-239-285.

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The writer Yury Dombrovsky did not leave behind any diaries of memoirs. Glimpses of his life are scattered across autobiographical poems and prose. Although an important source for research, letters and reminiscences of friends are often limited to a single episode or a brief period, usually of the writer’s later life in Moscow. What proved indispensable in the process of recovering facts and compiling a good half of the biography — spanning a lengthy period from the 1920s to the 1950s — were materials of the criminal proceedings. They also help decipher the writer’s major two-part novel, a fa

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24

Al-Moameri, Harith, Dalia Adil Rasool, and Zainab Majid Nahi. "A REVIEW OF POLYMER-BASED MATERIALS USED IN BIOMATERIALS FOR MEDICAL APPLICATIONS." Journal of Engineering and Sustainable Development 26, no. 5 (2022): 1–13. http://dx.doi.org/10.31272/jeasd.26.5.1.

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The research provides a concise overview of numerous biomedical and biomechanics uses for polymer-based materials in medical applications. Polymer-based materials are used to repair or enhance the functionality of tissues or organs damaged or disjointed in the context of implants and medical equipment, thereby enhancing patients’ well-being. The critical criterion for selecting the biomaterial is its appropriateness to the body. Polymer-based material must have certain essential characteristics to enable lengthy-term use. This family of materials, which may execute stimuli-induced active motio

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Erdman, N., R. Campbell, and S. Asahina. "Precise SEM Cross Section Polishing via Argon Beam Milling." Microscopy Today 14, no. 3 (2006): 22–25. http://dx.doi.org/10.1017/s155192950005762x.

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SEM observation of a specimen cross section can provide important information for research and development as well as failure analysis. In most cases, surface observation alone cannot provide information concerning the cross sectional structure of granular materials, layered materials, fibrous materials, and powders. Preparing highly-polished cross sections of these materials is both a science and an art.Typically, a cross section is prepared using mechanical means like conventional mechanical polishing methods or a microtome. The sample is first embedded in a holder or device, and then polish

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Wang, L. M., M. L. Miller, and R. C. Ewing. "High-resolution TEM observation of displacement cascades in krypton ion irradiated silicate minerals." Proceedings, annual meeting, Electron Microscopy Society of America 49 (August 1991): 910–11. http://dx.doi.org/10.1017/s0424820100088865.

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Radiation induced amorphization (or metamictization) happens naturally in many U and Th containing minerals due to alpha decay of the radioactive actinides over the lengthy geological times. It has been shown recently that the process can be simulated very efficiently by ion beam irradiation. Detailed study at atomic level on this crystalline to aperiodic transition is necessary for the fundamental understanding of the process which is important to several technological fields, such as nuclear waste disposal and ionbeam modification of ceramic materials.

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Jafari, Behnaz, and Gerardine G. Botte. "Electrochemical Preparation of Multifunctional Fabrics Using Graphene Materials." ECS Meeting Abstracts MA2024-02, no. 11 (2024): 1546. https://doi.org/10.1149/ma2024-02111546mtgabs.

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Multifunctional or smart textiles have demonstrated great potential in various fields such as health monitoring devices, antimicrobial applications, and thermotherapy. These fabrics can be created by integrating advanced materials such as graphene into traditional textile substrates. Graphene-related materials offer unique characteristics, including exceptional electrical and thermal conductivity, substantial surface area, and other notable features [1]. Therefore, they stand out as an ideal additive for producing smart fabrics. A facile electrochemical process was developed for the in-situ in

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28

Lau, Cher Hon, Tian-dan Lu, Shi-Peng Sun, Xianfeng Chen, Mariolino Carta, and Daniel M. Dawson. "Continuous flow knitting of a triptycene hypercrosslinked polymer." Chemical Communications 55, no. 59 (2019): 8571–74. http://dx.doi.org/10.1039/c9cc03731d.

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Hypercrosslinked polymers suitable for carbon capture were produced in continuous flow synthesis using 10% of the time required for typical batch reactions, precluding the need for lengthy reactions to produce microporous polymeric adsorbents.

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Verma, Navneet Kumar, Sudhanshu Dubey, Saurabh Singh, and Sourav Sourav. "History, Classification and Application of Polymers: A Review." Scholars Academic Journal of Pharmacy 13, no. 06 (2024): 232–37. http://dx.doi.org/10.36347/sajp.2024.v13i06.005.

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A broad family of materials called polymers is made up of several tiny molecules. Nearly every industry uses polymers, including rubber, cotton, wool, Teflon(tm), and plastics of all kinds. The remarkable resemblance between the infrared absorption spectra of heavenly objects and cellulose indicates its existence. The uppermost layer of the film is composed of cellulose pellicle. Most materials, including the metal used in springs, are elastic because of bond distortions. Rubber's lengthy, tightly wrapped polymer chains are connected at a few locations when it is relaxed. The main goal of poly

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Zhao, Jingjing, Yu Wang, and Bing Liu. "Doping Detection Based on the Nanoscale: Biosensing Mechanisms and Applications of Two-Dimensional Materials." Biosensors 15, no. 4 (2025): 227. https://doi.org/10.3390/bios15040227.

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Doping undermines fairness in sports and threatens athlete health, while conventional detection methods like LC-MS and GC-MS face challenges such as complex procedures, matrix interferences, and lengthy processing times, limiting on-site applications. Two-dimensional (2D) materials, including graphene, MoS2, and metal–organic frameworks (MOFs), offer promising solutions due to their large surface areas, tunable electronic structures, and special interactions with doping agents, such as hydrogen bonding, π-π stacking, and electrostatic forces. These materials enable signal transduction through

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Issart, Ambre, and Joanna Szpunar. "Potential of Liquid Extraction Surface Analysis Mass Spectrometry (LESA—MS) for the Characterization of Polymer-Based Materials." Polymers 11, no. 5 (2019): 802. http://dx.doi.org/10.3390/polym11050802.

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Liquid extraction surface analysis mass spectrometry (LESA -MS) is a direct analysis method suitable for the analysis of polymers. It is based on a fast and efficient extraction of polymer components, such as non-intentionally added species (NIAS), post-polymerization residues, or additives, and residues resulting from specific uses followed by their MS detection. In comparison with batch methods, it is a “green” method, using negligible volumes of organic solvents, and it is cost-effective, avoiding lengthy sample preparation procedures. It can be used for the detection of known molecules (ta

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Harkat, Amel, Redha Benzid, and Noureddine Athamena. "Accelerated Variant of an EMD-Based-R Peaks Detection Algorithm Involving FFT-Based Time-Domain Down-Sampling and up-Sampling." Journal of Biomimetics, Biomaterials and Biomedical Engineering 61 (July 31, 2023): 131–41. http://dx.doi.org/10.4028/p-e6hyu0.

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As most of developed empirical mode decomposition (EMD) based R-peaks detection algorithms consume a considerable time of calculation caused by the large length of the input ECG signal, the design of a new technique that allows the acceleration of such methods becomes necessary. Accordingly, a new variant of an EMD-based strategy for R-peaks localization is presented. The new accelerated variant is constituted of three essential parts. The first step is the length reduction of the input signal by means of the truncation in the Fast Fourier Transform (FFT) domain followed by the application of

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Galaydych, K. V., P. I. Markov, and G. V. Sotnikov. "Excitation of wake fields by lengthy electron bunches in a dielectric resonator." Journal of Communications Technology and Electronics 54, no. 10 (2009): 1194–200. http://dx.doi.org/10.1134/s106422690910012x.

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Bowen, Kayla, and Karen G. Harry. "Evaluating the Relationship between Ceramic Wall Thickness and Heating Effectiveness, Fuel Efficiency, and Thermal Shock Resistance." Midcontinental Journal of Archaeology 44, no. 3 (2019): 259–75. http://dx.doi.org/10.2307/26759198.

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Abstract In 1983, David Braun proposed that a shift from thicker- to thinner-walled cooking vessels in the midwestern United States was triggered by an increased dietary reliance on starchy grains (Braun 1983). Drawing on well-established principles of materials science (Van Vlack 1964), he suggested that, compared to thicker-walled vessels, thinner-walled ones would have been more thermally efficient and less likely to break from thermal shock. These attributes, he suggested, would have been advantageous for preparing seeds and grains that require lengthy cooking periods. Although consistent

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Oleszak, Dariusz, Mirosława Pawlyta, and Tomasz Pikula. "Influence of Powder Milling and Annealing Parameters on the Formation of Cubic Li7La3Zr2O12 Compound." Materials 14, no. 24 (2021): 7633. http://dx.doi.org/10.3390/ma14247633.

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Li-ion batteries are widely used as energy storage devices due to their excellent electrochemical performance. The cubic Li7La3Zr2O12 (c-LLZO) compound is regarded as a promising candidate as a solid-state electrolyte for lithium-ion batteries due to its high bulk Li-ion conductivity, excellent thermal performance, and chemical stability. The standard manufacturing procedure involves the high-temperature and lengthy annealing of powders. However, the formation of the tetragonal modification of LLZO and other undesired side phases results in the deterioration of electrochemical properties. The

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Pankov, B. V., S. A. Nagornov, S. N. Kuz'min, and I. A. Cherepennikov. "Characteristic features of the heat treatment of lengthy steel components in the bolling layer." Metal Science and Heat Treatment 32, no. 11 (1990): 825–29. http://dx.doi.org/10.1007/bf00700060.

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Marinenko, R. B., and S. Leigh. "Electron Probe Evaluation of Heterogeneity in the Certification of NIST Standard Reference Materials for Microanalysis." Microscopy and Microanalysis 4, S2 (1998): 242–43. http://dx.doi.org/10.1017/s1431927600021334.

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The certification process for a microanalysis standard can be quite lengthy. In addition to certifying the reference material for composition, the extent of heterogeneity between specimens and within specimens must be determined. NIST (or formerly, NBS) 260 Special Publications have been used in the past to describe procedures used for individual SRM certifications. Some of these publications describe in detail how the extent of microheterogeneity (or, microhomogeneity) as well as the specimen to specimen heterogeneity can be determined. The intent here is to describe a general statistical app

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Parmar, Umang, Shaymaa Ahmed, Rahul Vayas, et al. "Towards Sustainable Ceramic Forming: Techniques, Materials, and Applications in Evolving Paradigms." E3S Web of Conferences 552 (2024): 01099. http://dx.doi.org/10.1051/e3sconf/202455201099.

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In the sustainability of ceramic forming this paper will provide a comprehensive review of the way that ceramics have changed over time towards sustainability due to Industry 4.0’s current manufacturing technologies which are improving day by day. Particularly this study focuses on reducing the depletion of resources, energy utilization, and natural pollution by examining how conventional strategies for forming ceramics can be replaced by new ones that emphasize sustainability and form a solution. Basically, this paper highlights a few crucial properties in ceramics including its capacity to r

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Agwa, Mohamed A., and António Pinto Da Costa. "Using symbolic computation in the characterization of frictional instabilities involving orthotropic materials." International Journal of Applied Mathematics and Computer Science 25, no. 2 (2015): 259–67. http://dx.doi.org/10.1515/amcs-2015-0020.

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Abstract The present work addresses the problem of determining under what conditions the impending slip state or the steady sliding of a linear elastic orthotropic layer or half space with respect to a rigid flat obstacle is dynamically unstable. In other words, we search the conditions for the occurrence of smooth exponentially growing dynamic solutions with perturbed initial conditions arbitrarily close to the steady sliding state, taking the system away from the equilibrium state or the steady sliding state. Previously authors have shown that a linear elastic isotropic half space compressed

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Heo, Hyeonjun, Moo Hyung Lee, Jeehye Yang, et al. "Assemblies of Colloidal CdSe Tetrapod Nanocrystals with Lengthy Arms for Flexible Thin-Film Transistors." Nano Letters 17, no. 4 (2017): 2433–39. http://dx.doi.org/10.1021/acs.nanolett.7b00096.

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Zakaria, Siti Farhana, and Keith R. Millington. "Simple Modification Measurement of Photodegradability of Polymers by using Photo-induced Chemiluminescence Technique." Scientific Research Journal 10, no. 2 (2013): 51. http://dx.doi.org/10.24191/srj.v10i2.5414.

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Polymers and organic materials that are exposed to sunlight undergo photooxidation, which leads to deterioration of their physical properties. To allow adequate performance under outdoor conditions, synthetic polymers require additives such as antioxidants and UV absorbers. A major problem with optimising polymer formulations to maximise their working life span is that accelerated weathering tests are empirical. The conditions differ significantly from real weathering situations, and samples require lengthy irradiation period. Degradation may not be apparent in the early stages of exposure, al

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Zakaria, Siti Farhana, and Keith R. Millington. "Simple Modification Measurement of Photodegradability of Polymers by using Photo-induced Chemiluminescence Technique." Scientific Research Journal 10, no. 2 (2013): 41. http://dx.doi.org/10.24191/srj.v10i2.9404.

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Polymers and organic materials that are exposed to sunlight undergo photooxidation, which leads to deterioration of their physical properties. To allow adequate performance under outdoor conditions, synthetic polymers require additives such as antioxidants and UV absorbers. A major problem with optimising polymer formulations to maximise their working life span is that accelerated weathering tests are empirical. The conditions differ significantly from real weathering situations, and samples require lengthy irradiation period. Degradation may not be apparent in the early stages of exposure, al

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Zolna, Jesse S. "The Effects of Study Time and Presentation Modality on Learning." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 51, no. 7 (2007): 512–15. http://dx.doi.org/10.1177/154193120705100701.

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The modality principle suggests that presenting words via audio-narration rather than visual-text can improve learning (Mayer, 2001). However, the use of narrations when verbal materials are lengthy can have cognitive costs, and learning from text can be improved when materials are self-paced or provide ample study time. Therefore, there might be circumstances under which using text would actually be better than using narration. In this experiment we compare learning from diagrams that accompany text or narration; we manipulated available study time while also providing learners control over t

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Karandikar, H. M., and F. Mistree. "An Approach for Concurrent and Integrated Material Selection and Dimensional Synthesis." Journal of Mechanical Design 114, no. 4 (1992): 633–41. http://dx.doi.org/10.1115/1.2917054.

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Difficulty in material selection is often mentioned as a reason for lengthy design cycles. Problems dealing with material selection play a central role in almost all design and are generally tackled using the experience-based judgment of a designer. Better methods for material selection are needed, however, because demands of efficient operation require judicious use of materials and there is increasing pressure to reduce costs. To date, material selection and dimensional synthesis of artifacts have mostly been tackled sequentially rather than concurrently. In this paper, a domain-independent,

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Lin, Jiang-Jen, Chih-Cheng Chou, and Jen-Lien Lin. "Lengthy Rod Formation from a Poly(oxyalkylene)amine-Intercalated Smectite Clay by a Self-Aligning Mechanism." Macromolecular Rapid Communications 25, no. 11 (2004): 1109–12. http://dx.doi.org/10.1002/marc.200400057.

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Gromov, V. E., Yu F. Ivanov, V. E. Kormyshev, A. A. Yuriev, A. P. Semin, and Yu A. Rubannikova. "Change in Structural-Phase States and Properties of Lengthy Rails during Extremely Long-Term Operation." Uspehi Fiziki Metallov 21, no. 4 (2020): 527–53. http://dx.doi.org/10.15407/ufm.21.04.527.

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The regularities and formation mechanisms of structural-phase states and properties at different depths in the rail heads along the central axis and fillet after differential quenching of 100-meter rails and extremely long operation (with passed tonnage of 1411 million tons gross weight) have been revealed by the methods of the state-of-the-art physical materials science. As revealed, the differential quenching is accompanied by the formation of morphologically multi-aspect structure presented by grains of lamellar perlite, ferrite–carbide mixture, and structure-free ferrite. The steel structu

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Lorenz, Marcel, Stefan Sattler, Mehedi Reza, Alexander Bismarck, and Eero Kontturi. "Cellulose nanocrystals by acid vapour: towards more effortless isolation of cellulose nanocrystals." Faraday Discussions 202 (2017): 315–30. http://dx.doi.org/10.1039/c7fd00053g.

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Cellulose nanocrystals (CNCs) are topical in materials science but their full potential is yet to be fulfilled because of bottlenecks in the production: the process consumes huge amounts of water, recycling the strong acid catalyst is difficult, and purification steps are cumbersome, particularly with lengthy dialysis. Production of CNCs with HCl vapour overcomes many of these difficulties but the dispersion of CNCs from the already hydrolysed fibre matrix is a formidable challenge. This study is a fundamental effort to explore very basic means to facilitate CNC dispersion from cotton linter f

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Markovnenkov, Dmitriy Viktorovich. "The Concept of Individuality and the Hero-artist in C. Bukowski’s Short Stories: Between Modernist and Postmodernist Structure of Feeling." Litera, no. 11 (November 2022): 44–51. http://dx.doi.org/10.25136/2409-8698.2022.11.39117.

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The subject of the study are two short stories by the American writer Charles Bukowski «Aftermatch of a lengthy rejection slip» and «Notes on the life of an aged poet». The selection of these stories is due to the fact that the first of them regards to beginning of Bukowski’s creative path, and the second one is connected with the mature period of his creation, which, in turn, allows not only to observe how the authentic style of Bukowski as a creator was forming, but also how an artist is able to capture the spirit of the historical epoch that is relevant to him. Thereby the object of the res

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Zhao, Chunxia, Haoran Huang, Jiaxin Li, et al. "Facile Fabrication of Superhydrophobic Graphene/Polystyrene Foams for Efficient and Continuous Separation of Immiscible and Emulsified Oil/Water Mixtures." Polymers 14, no. 11 (2022): 2289. http://dx.doi.org/10.3390/polym14112289.

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Three-dimensional superhydrophobic/superlipophilic porous materials have attracted widespread attention for use in the separation of oil/water mixtures. However, a simple strategy to prepare superhydrophobic porous materials capable of efficient and continuous separation of immiscible and emulsified oil/water mixtures has not yet been realized. Herein, a superhydrophobic graphene/polystyrene composite material with a micro-nanopore structure was prepared by a single-step reaction through high internal phase emulsion polymerization. Graphene was introduced into the polystyrene-based porous mate

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Vieira, Diogo, Francisco J. G. Silva, Raul D. S. G. Campilho, et al. "Automating Equipment towards Industry 4.0: A New Concept for a Transfer System of Lengthy and Low-Stiffness Products for Automobiles." Journal of Testing and Evaluation 50, no. 5 (2022): 20210721. http://dx.doi.org/10.1520/jte20210721.

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