This paper examines the uses and limits of empirical data in evaluating measurement and modeling approaches to human lead exposure. Empirical data from experiment or observation or both have been used in studies of lead exposure. For example, experimental studies have elucidated and quantified physiologic or biokinetic parameters of lead exposure under controlled conditions. Observation, i.e., ...

This paper studies output feedback control of pure-feedback systems with immeasurable states and completely non-affine property. Since availability of all the states is usually impossible in the actual process, we assume that just the system output is measurable and the system states are not available. First, to estimate the immeasurable states a state observer is designed. Relatively fewer res...

A CSS1†is a system with the continues-state components. When a component has the ability to obtain all the situations from completely working to completely failed, it named continues-state component. In the real world, performance rate of elements are continuous and decrease by time. Continuity of components causes infinite working states and grows up the system states. In this paper we propose...

Alameda County Social Services Agency's Economic Benefits Department (EBD) is exploring ways to use its current technology, finances, and human resources to improve its caseload management and work efficiency. As a result of caseload increases and a limited availability of staff, EBD is experiencing difficulty with caseload management. This case study aims to explore if Sonoma County's Economic...

first principle calculations were performed using density functional theory within the local spin density approximation (lsda) to understand the electronic properties of au(100)+tbt system and compare the results with au(100) and bulk au properties. band structure, the total dos and charge density for these materials are calculated. we found that the homo for au(100)+tbt becomes broader than au...

ENHANCING NITROGEN USE EFFICIENCY OF POTATO AND CEREAL CROPS BY OPTIMIZING TEMPERATURE, MOISTURE, BALANCED NUTRIENTS AND OXYGEN BIOAVAILABILITY Guodong Liu a , Yuncong Li a , Ashok K. Alva b , David M. Porterfield c & James Dunlop d a Horticultural Sciences Department, University of Florida, Gainesville, Florida, USA b Vegetable and Forage Crops Research Laboratory, USDA-ARS, Prosser, Washingto...