Materials Literature
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An equation of state (EOS) was constructed for the modified Lennard-Jones (mLJ) solid. States not close to the melting point are accurately described by the EOS. A “pretransitional” behavior was detected for the temperature derivative of the bulk modulus near the temperature at which the melting curve bends appreciabl…
A method for assessing the susceptibility of a weld to transverse cracking is proposed based on a newly designed test specimen featuring a transverse gap in the centre to control restraint and produce a large residual stress in the weld metal. Through FEM simulation of the effects of the weld bead length on the longit…
Identification and preservation of the cavernous nerves (CNs) during prostate cancer surgery is critical for post-operative sexual function. Electrical nerve stimulation (ENS) mapping has previously been tested as an intraoperative tool for CN identification, but was found to be unreliable. ENS is limited by the need…
However, the hysteresis phenomena in the graphene channel were observed not only for systems on the ferroelectric substrate, but for usual and the most widespread for today SiO2 substrates (Sabri et al. 2009, Lafkioti et al. 2010, Wang et al. 2010, Levesque et al. 2011, Veligura et al. 2011). It should also be emphasi…
Bismuth vanadate is high performance inorganic pigment. Its LD 50 cut off value is more than 5000 mg/kg body weight of rat. Thus it is acute oral nontoxic pigment. In addition to non-toxicity the property of thermal stability has helped the pigment to replace toxic cadmium and lead-based pigments in paints. It is also…
La Ferroresonancia es un dels fenomens transitoris mes destructius dels sistemes de potencia. Associa inductancies no lineals i capacitancias del sistema, iniciant-se de maneres diferents, el que fa molt dificil la seva caracteritzacio. Per evitar les consequencies de la ferrorresonancia cal entendre el fenomen, predi…
Star polymers provide model architectures to understand the dynamic and rheological effects of chain confinement for a range of complex topological structures like branched polymers, colloids, and micelles. It is important to describe the structure of such macromolecular topologies using small-angle neutron and x-ray…
We present a large area (1 cm2) nanoimprinted metamaterial comprising a fishnet structure and its Babinet complement, which shows giant cross polarization. When illuminated with s-polarized light, the reflected beam can be p-polarized up to 96%, depending on the azimuthal orientation of the sample. This experimental r…
The radiation monitoring system is an important requirement in the premises of a nuclear reactor. A variety of types of radiation (neutrons. gamma. beta and fission products) exist in a reactor. associated to the broad energy spectrum of these radiations. implying the need of detectors to be used in the reactor system…
This work presents an alternative approach for the reactivity worth experiments analysis in the IPEN/MB-01 reactor considering highly subcritical arrays. In order to reach the subcritical levels, the removal of a specific number of fuel rods is proposed. Twenty three configurations were carried out for this purpose. T…
Zirconia-based ceramics have gained considerable interest for several applications (e.g. solid electrolytes in fuel cells and in oxygen sensors, thermal barrier coatings and biomaterials for dental and orthopaedic applications) due to their high mechanical strength, improved fracture toughness and easy affordability.…
Abstract C54H74F2MnN6O24, monoclinic, P21/n (no. 14), a = 13.5493(4) Å, b = 13.8063(4) Å, c = 16.7349(4) Å, β = 106.935(2)°, V = 2994.8 Å3, Z = 2, Rgt(F) = 0.0629, wRref(F2) = 0.1500, T = 296 K.
A tremendous interest to use nanomaterials for medical diagnosis and therapeutic purposes has increased in the past few years. Although a lot of investigations focus on the use of nanoparticles (NPs) for drug delivery in cancer therapies, there are several studies investigating the potential use of NPs as carriers to…
Nanosilver is the most popular and most studied nanomaterial, however, a family of nanomaterials is rapidly enlarging. They are used in various branches of industry and everyday life. In medicine new nanomaterials can be used either alone or in combination with other “classical” drugs, e.g. cytostatic drugs or antibio…
Abstract Tricyclic keto‐diols have been synthesized from 2‐cyclopenten‐1‐one in a three‐step annulation procedure. The importance of aryl ring electronics and steric contributions and the choice of Lewis acid were investigated for the final cyclization step. An unexpected cyclization product was identified, suggesting…
The identification of inorganic materials, which are able to encapsulate environmentally important small molecules or ions via host–guest interactions, is crucial for the design and development of next-generation energy sources and for storing environmental waste. Especially sought after are molecular sponges with the…
We compare the boson peaks (BPs) observed in low-frequency Raman scattering with the BPs observed in low-temperature specific heat in many oxide glasses. We find a linear correlation of the maximum positions between the Raman BP and specific-heat BP regardless of the constituents. In addition, we show that several cha…
North Carolina State University Theses Civil Engineering.
In Proton Exchange Membrane Fuel Cells, local temperature is a driving force for many degradation mechanisms such as hygrothermal deformation, creep, platinum dissolution, and bipolar plates corrosion. In order to investigate and quantify those effects, durability testing in automotive operating conditions is conducte…
In this reported work, high‐performance fully transparent bottom‐gate‐type calcium‐doped zinc oxide thin‐film transistors (Ca–ZnO TFTs) have been successfully fabricated on glass substrate. The effects of substrate temperature during active layer deposition on the electrical properties of Ca–ZnO TFTs were investigated…