Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 17 of 17 for “"TTL"”.
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Measuring and Understanding TTL Violations in DNS Resolvers
… globally. DNS records include a time-to-live (TTL) value that dictates how long the record can be stored before it's evicted from the cache. TTL holds significant importance in aspects of DNS security, such as determining the caching period for DNSSEC-signed responses, as well as performance, …
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Configuring In-Memory Caches: From TTL-Aware Sizing to Interval-Based Historical Analysis with HistoChron
… in the lack of consideration for Time-to-Live (TTL) attributes and heterogeneous object sizes, as well as the absence of interval-based historical analysis to address the dynamic nature of these workloads. This dissertation introduces a comprehensive reevaluation of in-memory cache performance …
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Transport and Distribution of the Short-Lived Halocarbons in the Tropical Tropopause Layer in the Pacific Ocean: the Role of Convection
… substances in the tropical tropopause layer (TTL) in the Pacific Ocean. Short-lived halocarbons are one of the major groups of the ozone depleting substances as they provide a source for the active halogens which decrease ozone in the atmosphere. The TTL serves as the primary gateway of …
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Investigation of a proposed achievement model: Using LISREL structural modeling
… in learning (TSL) to time needed for learning (TTL). A total of 180 seventh graders from a junior high school in Taiwan, the Republic of China, were used as subjects. An experiment involving a mathematics learning task was conducted to estimate TSL and TTL. Students' personal information was …
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Assessment of Convectively Generated Tropical Cirrus in Global Storm-Resolving Models
… upper troposphere and tropical tropopause layer (TTL) in- fluence the climate by altering the top-of-atmosphere radiation balance and stratospheric water vapor budget. These cirrus are often associated with deep convection, which global climate models must parameterize and struggle to accurately …
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A Lyapunov analysis of LRU
… performance of an LRU cache and a time to live (TTL) cache. In this thesis, we present a unique Lyapunov based proof for an asymptotically exact TTL approximation for the steady state distribution of our LRU Markov model. We further present ongoing theoretical extensions to other variants of LRU, …
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Estudio de la interacción entre la proteína asociada a microtúbulos 1B y la enzima tirosina tubulina ligasa en neuronas
… acción de la enzima tubulina tirosina ligasa (TTL) . La hipótesis planteada en nuestro trabajo es: hipótesis: La proteína asociada a microtúbulos 1B (MAP1B) interactúa con la enzima Tubulina Tirosina Ligasa (TTL) aumentando de esta forma la tirosinación de los microtúbulos neuronales . Nuestros …
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Design and implementation of a digital real-time secondary surveillance radar/identification friend or foe target emulator
… implementation of a transistor-transistorlogic (TTL) real-time SSRlIFF target emulator.
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A microprocessor control scheme for switched reluctance motor drives
… controller is economical since it uses standard TTL chips. The slow response at low speeds is also discussed. Experimental results performed on a static inductive load using a simulated position feedback are presented, showing how the current control available at lower speeds is lost at higher …
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T-type calcium channels and human mesangial cell proliferation
… with the T-CaCN antagonists mibefradil, Ni2+ and TTL-1177 resulted in a significant reduction in the growth velocity of MC. This effect was not seen upon incubation with verapamil, an L-type calcium channel antagonist. DNA synthesis in MC treated with each of the T-CaCN antagonists was …
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Measurement of linear position using a magnetostrictive wire
… construct a measuring device using established TTL devices, proven interfaces, ultra-reliable noise-clean, circuits, inexpensive components and to be based on transmission of magnetostrictively generated pulses in nickel wire. In addition it was to be able to operate in a harsh environment (e.g. …
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Studies of proteins implicated in the folding and processing of tubulin
… native polymerisable state. There is currently little known about this system in trypanosomatids and there were no structures of this protein in protists. Although it was possible to crystallise the full length TbTBC-B protein, no diffraction was obtained. Instead the two domains of the protein …
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Design and Prototyoing of a Wireless Data Transceiver in the 900MHz ISM Band
… design of a timing scheme, using standard TTL components and balanced to unbalanced drivers, resolved the interface problems resulting in a low-cost WDL designed to operate with an existing wired system without requiring modifications to that system. The WDL is transparent in connection and …
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Propuesta de desarrollo de modelo de negocio digital: MIAU AND GUAU PET FOOD.
… como propósito el desarrollo de una estrategia TTL partiendo desde las redes sociales a medios más tradicionales. La propuesta de valor de Miau & Guau, considera amplios aspectos como el segmento de mercado, precios y factores de movilidad; además, de la innovación en los canales de venta. El …
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Verification of a two-dimensional infiltration model for the resin transfer molding process
… was observed for the warp direction of the TTl 1M7/8HS preform and corn oil. Fluid/fiber interaction was measured through the use of the single fiber pull-out test. The surface tension of both the corn oil and Epon 815 was determined. The contact angle between these two fluids and glass and …
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A Security Framework for Preventing Denial of Service and Economic Denial of Sustainability Attacks in the Cloud Computing Environment
In the cloud computing era, security has become a renewed source of concerns. Distributed Denial of Service (DDoS) that affects network availability and Economic Denial of Sustainability (EDoS) that can harm the pay-per-use model, which is one of the most valuable benefits of the cloud, can again …
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NOVEL MICROTUBULE TARGETING AGENTS: SYNTHESIS AND STRUCTURAL DETERMINATION OF THEIR INTERACTIONS
… the used tubulin crystallization system T2R-TTL is described. Finally, the determined tubulin-ligands crystal structures are discussed in detail in Section 3.3. Two training projects, which allowed to acquire skills in protein expression and purification; crystallization, crystal harvesting …