Purification of lysozyme from shell liquor of eastern oysters (crassostrea virginica) and its use in antimicrobial films to preserve smoked fishThe present study aimed at purifying lysozymefrom oyster shell liquor, and evaluating its use against major foodborne pathogens, and determining the feasibility of using oyster lysozyme in antimicrobial films to enhance the preservation of smoked salmon. Shell liquor lysozyme was purified using a series of ion exchange chromatographies. The...
74 trang | Chia sẻ: maiphuongtl | Ngày: 17/06/2013 | Lượt xem: 2299 | Lượt tải: 0
Airlift assisted wastewater treatmentLiquid low pressure water flowsystems can be analyzed relatively efficiently and cost effectively through the use of pitot tube measurement if one recognizes a few inherent limitations. These limitations can be mitigated with the following techniques: Direct sunlight on tubes for extended periods induces algal growth within ¾ Mitigated by...
182 trang | Chia sẻ: maiphuongtl | Ngày: 17/06/2013 | Lượt xem: 1976 | Lượt tải: 0
Charge trapping characterization methodology for the evaluation of hafnium-Based gate dielectric film systemsElectron trapping data obtained with the pulsed Id-Vgmeasurements suggests that the trapping occurs mostly in the bulk of the high-κfilmrather than only atthe interface ofthe high-κdielectric and interfacial oxide which leads to less bulk trapping in physically thinner high-κgate stacks. Carrier mobility of thinner hybrid stacks corrected for...
171 trang | Chia sẻ: maiphuongtl | Ngày: 17/06/2013 | Lượt xem: 2283 | Lượt tải: 0
Hydrodynamic modeling of a hypothetical river diversion near empire, louisianaIn this thesis an attempt was made to build two hydrodynamic models with as much similarity as practicallypossible using two different popular finite element codes. Although for the most part the two modelsshow similar sensitivities to the model parameters tested here, differences in the models have led to some significant differences in th...
114 trang | Chia sẻ: maiphuongtl | Ngày: 17/06/2013 | Lượt xem: 2072 | Lượt tải: 0
Assessment of shearing phenomenon and porosity of porous media using microfocus computed tomographyThe datapresentedinthe first part ofthisthesis could becompared with the values obtained from different theoretical models. This could help in improving modeling of the constitutive behavior of granular materials. • In this study, plastic beads where used to model the behavior of granular materials. The possibility of using other materials, li...
89 trang | Chia sẻ: maiphuongtl | Ngày: 17/06/2013 | Lượt xem: 1758 | Lượt tải: 0
Small and large strain monitoring of unsaturated soil behavior by means of multiaxial testing and shear wave propagationWhenever possible, the use of parallel bender elements should be preferred over the series type to reduce the distortion produced by cross-taking and near field effects on the received traces. Their higher cost is compensated with the save in time that it takes to prepare the series bender elements to diminish such effects. Another alternat...
171 trang | Chia sẻ: maiphuongtl | Ngày: 17/06/2013 | Lượt xem: 2065 | Lượt tải: 0
Essays on endowment fund managementThe purpose of this chapter was to incorporate behavioral issues as it relates to the active management of currency hedging of international portfolios in the context of traditional expected utility maximization as well as the axiomatic disappointment aversion frameworks. I have introduced separate risk aversion parameters for asset and curren...
194 trang | Chia sẻ: maiphuongtl | Ngày: 17/06/2013 | Lượt xem: 1860 | Lượt tải: 0
Performance-Based voluntary group contracts for nonpoint source water pollution controlSince this is a first attempt to some of the concepts. This study is very basic and needs to be extended to more complicated and realistic cases. For example, agent’s utility function can be change to risk-averse case,or the principal can be social planner (government entity) instead of point source ofpolluter. Also, target level and abatemen...
138 trang | Chia sẻ: maiphuongtl | Ngày: 17/06/2013 | Lượt xem: 1855 | Lượt tải: 0
Distributed airlift systems design with application to recirculating soft shell crawfish shedding systems5.1 Conclusions The thesis documents several rules of thumb for the design of airlifts and distribution for specific application to automated soft shell crawfish shedding facilities. It also lay guidelines for design of airlifts for application with low head biofilters. The following are guidelines for: • Airlift Pumps Airlift pump shou...
93 trang | Chia sẻ: maiphuongtl | Ngày: 17/06/2013 | Lượt xem: 1825 | Lượt tải: 0
In‐situ and nondestructive test methods applied to the design and construction of pile foundation projects in coastal louisianaFor the piles driven at the LA‐1 Relocated site, the range of Case damping constants determined varies between 0.30 and 0.43, with a mean of 0.37. Based on the table of recommended values, this falls within the range of silt, though sand and clay were predominantly encountered in the soil borings and CPT soundings. This raises the question ...
141 trang | Chia sẻ: maiphuongtl | Ngày: 17/06/2013 | Lượt xem: 1740 | Lượt tải: 0
