erchlorate is a highly soluble salt anion that can negatively affect the ability of the human thyroid to adequately uptake iodide (Greer et al, 2002; Wolf, 1998). Since early 1997, perchlorate analytical techniques have significantly improved. As a result, drinking water testing performed throughout the United States has uncovered perchlorate contamination in several regions of the country at l...

Hybrid combustion technology has recently been employed in the sounding rocket developments to support the science experiments of academic applications and the establishment of a viable flight test platform for space components development. Due to its safety nature in material handling and combustion processes, hybrid rockets are suitable for university and research institute environments for a...

Hedging and boosting or ‘pembentengan’ (Indonesian) is the act of scientific writers in maintaining smooth communication. This paper answers two problem formulations, i.e., what are linguistic manifestations hedges boosters Indonesian articles, how their meaning reveals writer's level confidence information conveyed. study aims to enrich description writing practices Indonesia support developme...

dormancy of eastern dodder and african rocket seeds makes the controlof them very difficult in orchards and farms. in order to study the effective factors in dormancy breaking of these two weeds species, a factorialexperiment based on crd with three replications was conducted at the research laboratory of birjand faculty of agriculture in 2008 and 2009. treatments were: control, soaking in sulf...

I N T H E course of its flight, the occupants of a passenger-carrying rocket are subjected to accelerations differing substantially from that normally experienced. T, he use of a human centri.fuge capable of high peak acceleration and rate of change of acceleration allows us to duplicate sufficiently closely the acceleration curves of a rocket and to determine their effect on human beings in ad...

This paper discusses a set of experiences I had in developing ROCKET, an early application generator in the area of rocket flight mechanics at the Rand Corporation. It begins by describing a precursor system I worked on at General Dynamics. It also covers some experiences with the interactive Graphic ROCKET followon, and POGO, an early GUI builder. It concludes by relating these to the recent M...

an internal ballistics model has been developed for performance prediction of a solid propellant rocket motor. inthis model a 1-d unsteady euler equation with source terms is considered. the flow is assumed as a non-reacting mixture of perfect gases with space and time varying thermo physical properties. the governing equations in the combustion chamber are solved numerically by using the stege...

This study investigates the emergence of intellectual opportunism for game boosters in mobile social networks. It shows supply and demand upgrading levels These lucrative highlight a new temporary profession as boosters. Game facilitate framed newbie gamers who want to play at higher level without playing long time. professionally is due economic opportunism, promising their potential future in...

Adding solid electroactive materials as energy boosters to flow battery tanks provides a path electrical storing systems with unprecedently high specific and power, that can solve the needs of both automotive stationary storage markets. This work reviews physical chemical principles behind this new class batteries, history technology, most promising research directions.