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NCSU 檢索結果共 5111 筆,本頁資料從第 169 筆到第 180 筆

This study aims at elucidating a variety of salient features that dictate the kinetics and chain length effects governing the formation and antimicrobial activity of sugar esters of fatty acids. To do this, anomerically pure glucose, sucrose and cellobiose sugars were transesterified with the methyl esters of fatty acids of variable chain lengths C4, C8, C12, C18, and C....

By Lambrini Adamopoulos-Wood and Paper Science-NCSU-masters-2006-08-04
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GOVILKAR, SAMIR R. A Simulator for microcontroller-based Underwater Ultrasonic Communications. (Under the direction of Assistant Professor Alexander G. Dean). The aim of this thesis is to aid in the development of the RAPTEX project. The RAPTEX project deals with designing efficient communication protocols for underwater telemetry and sensor networks. Underwater telemet....

By Samir Rajshekhar Govilkar-Computer Engineering-NCSU-masters-2006-08-04
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ABSTRACT Viazis, Stelios. High Pressure Processing of Human Milk for Improved Nutrient Retention and Microbial Safety. (Under the direction of Dr. Brian E. Farkas). Human milk is generally accepted as the optimal nutritional source for infants. Human milk banks govern and oversee the collection, pasteurization, and distribution of human milk to those in need. Currently,....

By Stelios Viazis-Food Science-NCSU-masters-2006-08-04
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As a helical polymer, polycarbodiimides have been investigated for a period of time. But few water soluble polycarbodiimides had been synthesized and characterized. Since solubility of polycarbodiimides can be controlled by their side arms, achiral or chiral carbodiimides bearing hydrophilic tertiary amino group have been prepared. Single-handed sense hydrophilic polyca....

By Haibo Li-Chemistry-NCSU-doctoral-2006-08-04
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The ultimate goal of this research is to clarify the structural effects on the rate and driving force for electron transfer in amphiphilic iron-sulfur core dendrimers, which can eventually be used as protein models. These dendrimers were synthesized by ligand exchange reactions, including the synthesis of dendrons via a modular synthesis approach. Their structure-proper....

By NAMJIN KIM-Chemistry-NCSU-doctoral-2006-08-04
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A new blood typing technology has been developed by Narayanan et al. using ultraviolet and visible light spectroscopy. Blood groups can be typed using changes in the UV and visible spectra between antibody treated and non-treated samples. These changes can be observed by optical density measurements in the 665 to 1000 nm region. Comparison of the slopes between the opti....

By Jeremy Brandon Lambert-Mechanical Engineering-NCSU-masters-2006-08-01
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ABSTRACT Fortune, Doreen Roné. Genetic and environmental regulation of Salmonella enterica serovar Typhimurium invasion. (Under direction of Craig Altier) The purpose of this research has been to assess the effect of the carbon storage regulator (csr) system and environmental conditions on the expression of invasion genes in Salmonella. This work demonstrates how the ....

By Doreen Fortune-Comparative Biomedical Sciences-NCSU-doctoral-2006-07-27
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Testing equality of scale arises in many research areas including clinical data analysis. In contrast to procedures for tests on means, tests for variances derived assuming normality of the parent populations are highly non-robust to non-normality. Levene type tests are well known to be robust tests for equality of scale for the one-way design; the current standard test....

By Xiaoni Liu-Statistics-NCSU-doctoral-2006-07-27
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Variable selection methods are useful for distinguishing informative variables from uninformative variables. Many variable selection methods have been studied in linear regression models. Some methods have been extended to the Cox proportional hazards model based on the partial likelihood function. The False Selection Rate (FSR) variable selection method introduced by W....

By Yun Chen-Statistics-NCSU-doctoral-2006-07-27
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ABSTRACT RICHARDSON, RACHEL ANN. Glucose and Lactate Consumption by the R3230 Mammary Adenocarcinoma. (Under direction of Mark Dewhirst and Donald Thrall.) Tumors need to follow a simple plan to survive and grow. They need to: (1) take up energy substrates, (2) metabolize these substrates to produce ATP, and (3) remove metabolic wastes. The way in which different substr....

By Rachel Ann Richardson-Comparative Biomedical Sciences-NCSU-doctoral-2006-07-27
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Stream processing architectures have been proposed as efficient and flexible platforms for network packet processing. This is because packet processing shares many of the same characteristics of media and image processing that motivate stream architectures: little global data reuse, abundant data parallelism, and high computational complexity. This dissertation explores....

By Yu-Kuen Lai-Computer Engineering-NCSU-doctoral-2006-07-24
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Over the last two decades, advances in software engineering have produced new ways of creating robust, reliable software. Unfortunately, the dream of bug-free software still eludes us. When bugs are discovered in deployed software, software failures and service disruption can lead to significant losses, both monetary and otherwise. The typical failure response process i....

By Prachi Gauriar-Computer Science-NCSU-masters-2006-07-21
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