نتایج جستجو برای: carpet wastewater
تعداد نتایج: 35821 فیلتر نتایج به سال:
The effect of thick carpet on the accuracy of bathroom scales was investigated using two analogue scales and two digital strain gauge scales. A mass range of 0Kg – 104Kg was used. Loading history was found to have a significant effect on analogue scales, and the experiments were designed with this in mind. The mean spring constant of a Hanson analogue scale system was found to be 12.13±0.30KNm;...
Carpet weaving is one of the most ancient types arts and crafts. The carpet a key symbolic object human creation. It all about its history kind, laws life Universe. has an encrypted language very complex. Most iconographic symbols are reflection reality cults worldviews. ornaments in carpets represent genetic memory, unfading creativity, national treasure. An Azerbaijani is, even for dedicated ...
OBJECTIVES We previously developed a historical reconstruction model to estimate exposure to airborne polycyclic aromatic hydrocarbons (PAHs) from traffic back to 1960 for use in case-control studies of breast cancer risk. Here we report the results of four exercises to validate and calibrate the model. METHODS Model predictions of benzo[a]pyrene (BaP) concentration in soil and carpet dust we...
BACKGROUND Carpet weaving operations usualy involve poor working conditions that can lead to the development of musculoskeletal disorders (MSDs). This study investigated MSDs among car¬pet weavers in relation to working conditions from workers' view in Tabriz City, Northwest Iran. METHODS This cross-sectional and descriptive study was conducted in city of Tabriz, Iran. Data were col¬lected us...
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