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Methodology for identifying particle sources in indoor environments

Growing concern about airborne particles in indoor environments requires fast source identification in order to apply remedial actions. A methodology for identifying sources emitting particles larger than 0.5 mu m was designed and applied. It includes: (1) visual inspection of interior surfaces in order to identify deposited particles and inspection of potential sources (equipment, materials. acti

The role of temperament and social support in depressive symptoms: A twin study of mid-aged women

Background: Although research has found that temperament and social support are associated with depression, these relationships have not been explored in conjunction with one another as they relate to depression using a genetically informative design. This study investigated how the association among the three constructs is mediated. Methods: The sample in this study consisted of 326 pairs of adul

The morphogenesis of intention and structural stability of motifs.

This article is based on the Agent-action-Objective (AaO) axiom and assumes that intention can be discovered and made evident. But this requirement can be satisfied only under the condition that a particular individual can be identified with his style of writing. This implies that the nature of writing becomes approachable. Getting a style under control presupposes the A-component, which is discus

Snowmelt sensitivity to radiation in the urban environment

Despite having the same snowmelt processes, snowpacks in urban environments experience a range of conditions different from those of rural areas. Melt is intensified at some sites due to greater radiative energy. Shading, however, can reduce radiation and melt at other sites. Changes to the radiation balance and snowpack processes have been investigated. A physical snowpack model was developed and

Carrot psyllid (Trioza apicalis) winter habitats - insights in shelter plant preference and migratory capacity

The carrot psyllid (Trioza apicalis) is a serious pest in carrot-growing areas in northern and parts of central Europe. The psyllids overwinter as adults on conifers and during summer feed and lay eggs on carrot plants (Daucus carota ssp. sativus), thereby destroying the crop. To investigate the migratory capabilities and preferences for different shelter plant species of the carrot psyllid, we ma

Patients' experiences of consultations for nonspecific chronic orofacial pain: A phenomenological study

Aims: To use a qualitative research study to analyze the experiences of patients with nonspecific chronic orofacial pain with respect to consultations for their pain condition. Methods: Fourteen patients (11 women and 3 men; age range, 21 to 77 years) were strategically selected through a purposive sampling of the chronic orofacial pain patients referred to the Orofacial Pain Unit at the Faculty o