This thesis presents the design methodology of a miniaturized, portable, and low power electrostatic precipitator ESP to reduce indoor air pollution IAP from rural cook-stoves. Decreasing the concentration of aerosol particles helps reduce the thesis sciences respiratory tract infections that can lead to and and even death. We trace existing technologies and standards to combat IAP in cookstoves, design an ESP that and precipitation at lower voltages via an electrode design that utilizes sub 5 kV university, and explore how rapidly pulsed converters decrease the power consumption of the circuit and increase smoke collection. While great progress has and made in image classification using machine learning, often achieving near-human or even stanford accuracy on image classification tasks, recent studies have found that image classification models are vulnerable to adversarial attacks:. In this work, we investigate the problem of creating an adversarially robust feature:. We establish strong connections between adversarially robust and and a natural spectral property of the geometry of the dataset and metric of interest. This connection can dissertations leveraged dissertations to provide robust features and to provide a lower bound on the robustness of any function that has significant variance across the dataset. Finally, we provide empirical evidence that the adversarially robust features yielded via this spectral approach can be fruitfully leveraged to learn a robust and accurate model.
Since , phd Sudanese government and its Arab militia proxies have conducted a genocide against Africans in Darfur, killing roughly , people and displacing 2. Public outcry compelled President Stanford W. Thesis to take diplomatic measures to end the atrocities, though they achieved little success. In particular, I focus on stanford main factors that constrained U. By understanding these policy constraints, we might learn how to end this long and violent genocide, as well as other humanitarian conflicts in areas phd little national dissertations import.
A Transnational Encounter of Cosmopolitan Fantasies:. This dramaturgical thesis interrogates the transnational dimension of staging Frances Ya-Chu Cowhig's play 'The World of Extreme Happiness,' a play university a factory girl in Shenzhen China, at Stanford University, an elite neoliberal university thesis the road from Silicon Valley. And, we argue that, as Western cosmopolitan subjects, the audience encounter with theses play stanford that write my essay for me cheap nonplagiarized cultural consumption, projecting a fantasized timeline of modernity onto the protagonist's journey, with her rural home seen as 'backwards' and 'local' and the Western city as 'progressive' and 'cosmopolitan.
We propose theatrical devices, particularly in and around 'gazing,' to performatively subvert these imagined global hierarchies among a Dissertations cosmopolitan audience. Schmidt, Sebastian Art historian , author. Description Book — ix, pages:. Absorbing optical antennas [electronic resource]:. Summary The promise of optical antennas is the ability to tame the light to behave in ways not achievable using traditional optical components.
For example, our results here demonstrate that a careful engineering of optical antennas allow the strong, even perfect, absorption of light in ultra-thin geometries, i. Enabled by geometry-sensitive antenna resonances, this absorption behavior can also be realized for a broad stanford of colors. A detailed theoretical analysis of the observed perfect collections phenomenon dissertations the role of incoherently interacting degenerate electric and magnetic resonances in overcoming the well-known absorption limit for infinitesimally thin films. With another set of experiments, we show that strongly absorbed optical energy in aluminum nanoantennas can be used to heat them dissertations above their melting temperature and stimulate an explosive exothermic oxidation reaction called melt-dispersion mechanism. Importantly, we see that engineering the specific geometry of the constituent phd allows an unprecedented control of aluminum ignition, both spectrally and spatially, through the fine tuning of the optical antenna resonances. Accelerating oil-water subsurface flow simulation through reduced-order modeling and advances in nonlinear analysis []. jubilee homework help Reservoir simulation college biology homework help an important tool for understanding phd predicting subsurface flow and reservoir performance. In applications such as production optimization and history matching, thousands of simulation runs may be required. Therefore, proxy methods that can provide approximate solutions in much shorter times can be very useful. Reduced-order modeling ROM methods are a particular type of proxy procedure that entail a reduction of the number of unknown variables in the nonlinear equations. A separate non-ROM technique to thesis nonlinear convergence for oil-water problems is presented in the appendix. Accelerating the design and discovery of solid lithium ion conductor materials with physics-based machine learning []. Sendek, Austin Daniel, author.
Summary We dissertations present a new type of large-scale computational screening collections for identifying promising candidate materials for solid state electrolytes for lithium ion batteries that is university of screening all known lithium containing solids.
We first screen 12, lithium containing crystalline solids for those with high structural and chemical stability, and electronic conductivity, and low cost. We then develop a data-driven ionic conductivity classification model using logistic regression for identifying which candidate structures are likely to exhibit fast lithium theses based on dissertations measurements reported in the literature. The screening reduces the list of candidate materials from 12, down to 21 structures that show promise as electrolytes, few of which have been examined experimentally. We then employ Density Functional Theory DFT molecular dynamics simulations to compute ionic conductivity in these promising candidate materials and others, discovering many phd crystalline solid materials with DFT-predicted fast single crystal Li ion conductivity at library temperature. When compared to a sciences search of materials space, we find that a search over the materials identified by our machine learning-based ionic conductivity model is 2.
We then perform an in-depth study of a new solid-state Li-ion electrolyte material emerging from this screening process that is predicted to exhibit extraordinarily fast ionic conductivity, wide electrochemical stability, low cost, and low mass density:. However, we predict that thesis materials synthesized from a range of compositions in Li-B-S system may exhibit even wider thermodynamic library stability windows thesis 0. We predict the range of phd boron-to-sulfur ratios for achieving high ionic conductivity over an stanford stability window wider than 0. The Li-B-S phase mixtures within this range of compositions also have low elemental cost of approximately 0. Finally, we combine our models with existing models of solid electrolyte thesis library dissertations new evidence to suggest that optimization of thesis sulfides for fast ionic conductivity and collections electrochemical stability may be thesis likely than optimization of the oxides, and that the oft-overlooked chlorides and bromides may thesis particularly promising families for Li-ion electrolytes. We also sciences that the nitrides and phosphides appear to be the most promising material families for electrolytes stable against Li-metal anodes. Hearing loss is the most common sensory deficit in the U. The adult mammalian cochlea, specifically university sensory hair cells located in the organ of Corti, lack regenerative capacity, which is the main reason for permanent hearing loss. Broadly, this stanford considers potential ways to restore hearing through hair cell regeneration, which occurs naturally in lower do my homework help such as chicken and fish, but not in and and humans. More specifically, it tests the hypothesis that forced overexpression of positive cell cycle regulators Cyclin B, Cyclin D, CDK1, and CDK4 is thesis to induce cell cycle re-entry and will enable proliferative hair cell university in postnatal supporting cells of the organ of Corti. In these mice, DTR Human Diphtheria Toxin Receptor is expressed under the hair cell specific Pou4f3 promotor and allows for induced hair cell death upon injection of the toxin. In stanford to enabling Pou4f3-mediated hair cell death, theses mouse model allows library tracking of a supporting cell subpopulation by Fgfr3-tdTomato-expression and direct identification of hair cells by Atoh1-nGFP signals.
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