نتایج جستجو برای: cure kinetics
تعداد نتایج: 125507 فیلتر نتایج به سال:
results two major themes were extracted from the analysis of the transcripts: “comprehensive caring commitment” and “patients’ medication grudge”. conclusions according to the findings, the nurses are in a unique position to care for people with ms; therefore they should be ready to provide high-quality patient care in ms patients. patients must be encouraged to study about their condition and ...
A micromechanics based thermal model was developed to predict the temperature and degree of cure (DOC) distribution inside a unidirectional fiber reinforced composite during the curing process. Using the concentric cylinder assemblage (CCA) model as a representation of the composite microstructure, the effective thermodynamic properties of the composite were computed based on the fiber and matr...
We present a Physics-Informed Neural Network (PINN) to simulate the thermochemical evolution of composite material on tool undergoing cure in an autoclave. In particular, we solve governing coupled system differential equations -- including conductive heat transfer and resin kinetics by optimizing parameters deep neural network (DNN) using physics-based loss function. To account for vastly diff...
Hepatitis B virus (HBV) is a hepadnavirus, small DNA that infects liver tissue, with some unusual replication steps share similarities to retroviruses. HBV infection can lead chronic hepatitis (CHB), life-long associated significant risks of disease, especially if untreated. global health problem, hundreds millions currently living CHB. Currently approved strategies prevent or inhibit are highl...
Design of the optimal cure temperature cycle is imperative for low-cost of manufacturing thermosetting-matrix composites. Uncertainties exist in several material and process parameters, which lead to variability in the process performance and product quality. This paper addresses the problem of determining the optimal cure temperature cycles under uncertainty. A stochastic model is developed, i...
BACKGROUND A new class of immuno-oncology agents has recently been shown to induce long-term survival in a proportion of treated patients. This phenomenon poses unique challenges for the prediction of analysis time in event-driven studies. If the phenomenon of long-term survival is not accounted for properly, the accuracy of the prediction based on the existing methods may be substantially comp...
In the production of structures made from reinforced cyanate ester resins, nearly complete cyclotrimerization of the resin with concomitant macromolecular network formation must be achieved in order to ensure adequate mechanical performance and durability of the structures. In the course of developing a wide variety of new cyanate ester resins, as well as in studies of cocured blends, it has be...
Antiretroviral therapy fails to cure HIV-1 infection because latent proviruses persist in resting CD4(+) T cells. T cell activation reverses latency, but <1% of proviruses are induced to release infectious virus after maximum in vitro activation. The noninduced proviruses are generally considered defective but have not been characterized. Analysis of 213 noninduced proviral clones from treated ...
The photo-curing behavior of composites containing nanosized SiO2 in an acrylated hyperbranched polymer matrix was investigated by means of photo differential scanning calorimetry. The chemical conversion data were analyzed using an autocatalytic model, paying close attention to the influence of composition and UV intensity. It was shown that the reaction order and the autocatalytic exponent we...
The Impact of Interfacial Adhesion on the Strain- To-failure of Montmorillonite/epoxy Nanocomposites
In polymer nanocomposites, many researchers suspect that the weak interface between the host matrix and nanoparticles is responsible for the often observed reduction in the strain-to-failure relative to the pristine host matrix [1]. In 2004, a new test methodology [2] was proposed for observing the onset of clay-matrix debonding in transparent clay based nanocomposites, with the debonding proce...
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