controlling the electromagnetic waves propagation using optical transformation is a topic that finds many applications in recent years. one of the most important applications of these transformations is hiding the objects from radar waves, i.e. cloaking. hiding under the carpet or carpet cloak is a special type of cloaking that hides the objects situated between a metal sheet and the ground. in...

BACKGROUND Iran, a newly industrializing country in Middle East, has a workforce of 25 million people. Most employees are working in agriculture, manufacturing, services, construction, commerce sectors, carpet weaving and mining. This article aims to explore the improvement of occupational harmful agents in workplaces due to implement "prioritize inspections". METHODS In 2012, the system of "...

Executive Summary Traffic control in highway weaving sections is complicated since vehicles are crossing paths, changing lanes, or merging with through traffic as they enter or exit an expressway. There are two types of weaving sections: (a) single weaving sections which have one point of entry upstream and one point of exit downstream; and (b) multiple weaving sections which have more than one...

F the past 20 years weaving segments have been analyzed and designed using the methodologies and procedures provided in the 1965 Highway Capacity Manual (HCM).’ With the increase in urban growth in the mid-1960s, it was quickly realized that the procedures provided in the 1965 HCM for the analysis and design of weaving segments were in need of a critical review. In 1969 the National Cooperative...

Realization of a perfect invisibility cloak still challenges the current fabricating technologies. Most experiments, if not all, are hence focused on carpet cloaks because of their relatively low requirements to material properties. Nevertheless, present invisibility carpets are used to hide beneath objects. Here, we report a carpet-like device to directionally conceal objects and further to cr...

Grating cloaks are a variation of dielectric carpet (or ground-plane) cloaks. The latter were introduced by Li and Pendry. In contrast to the numerical work involved in the quasi-conformal carpet cloak, the refractive-index profile of a conformal grating cloak follows a closed and exact analytical form. We have previously mentioned that finite-size conformal grating cloaks may exhibit better cl...

Field experiments were conducted in four homes during summerto quantify ozone-induced secondary emission rates (SERs) of aldehydes on indoor surfaces. Four surfaces in each house were examined: living room carpet, living room wall, kitchen floor, and kitchen counter. Upon exposure to ozone for 3 h, formaldehyde and C3-C10 saturated aldehydes, especially nonanal, were emitted as products of ozon...

Jointly deployed aspects may interact with each other. While some interactions might be intended, unintended interactions (interferences) can break a program. Detecting and resolving interferences is particularly hard if aspects are developed independently, without knowledge of each other. Work on interference detection has focused so far on the correctness of weaved programs. In this paper we ...

Dynamic weaving is much more flexible than static weaving because the separation of concerns remains at runtime. This results in highly configurable and adaptable applications, since the rules that govern the weaving of aspects can evolve during the application execution, according to different criteria – i.e. user preferences, execution context, etc. In this paper we describe the dynamic weavi...

A potentially important part of the design space for aspect-oriented languages remains largely unexplored: namely that space of languages that combine expressive pointcut languages and instance level aspect weaving. We define instance level aspect weaving as the ability to differentiate between two instances of a class and to weave them differently if needed. Note that instance level aspect wea...