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Evaluation of the Dispersion of Nitrogen Dioxide and Carbon Monoxide in the Indoor Café – Case Study

Al-Sultan Ammar A., Jumaah Ghufran F., Al-Ani Faris H.

Journal of Ecological Engineering

2019

Vol. 20, nr 4

256--261

A popularity café in Baghdad city was chosen to measure the dispersion of nitrogen dioxide (NO2) and carbon monoxide (CO) as examples of the Indoor Air Pollutants (IAPs) which are considered a significant environmental problem. The aims of this research were, firstly, to measure the variation of NO2 and CO concentrations; secondly, to examine the effect of the seasonal variation of indoor temperature (°C) and relative humidity (%) on the dispersion of both NO2 and CO and finally to compare the results with those of the global standards. The volume of café was about 360 m3 and the number of smokers was about 25-35 smoker/day. This work was divided into two parts where the first part includes the experimental work which comprised the measurement of NO2 and CO by GIGs devices. It was lasted about five months commencing from November 2017 to March 2018 and the readings were taken during two intervals at partial time and during peak time. The second part includes the analysis of obtained results and compared the results of those of the global standards for the Indoor Air Quality suggested by WHO, EPA, and European criteria in order to achieve the goals of this work. The results from this research have highlighted a clear increase in the concentrations of NO2 and CO along with the growing numbers of smokers. Furthermore, the concentrations of NO2 and CO were close to some global standard values of short-term exposure at peak time.

Traceability w systemie informatycznym

Majewski J.

Przemysł Spożywczy

2009

T. 63, nr 4

45-48

Traceability zapewnia szybkie wycofanie produktu z rynku dzięki gromadzeniu niezbędnych informacji o produktach na każdym etapie łańcucha żywnościowego. Skuteczne działanie tego systemu jest możliwe dzięki zastosowaniu odpowiednich narzędzi logistycznych, omówionych w artykule. Przedstawiono zasadnicze różnice w przeznaczeniu systemów klasy ERP i WMS w logistyce, a także zalecenia do stosowania międzynarodowych identyfikatorów GS1. Omówiono zasady strukturalnego postrzegania opakowań materiałów składowanych w magazynie. Zaprezentowano także reguły działania magazynowego systemu informatycznego opartego na standardach GS1. Przedstawiono również wykorzystanie traceability w magazynowym systemie informatycznym.

Traceability enables a quick withdrawal of product from the market owing to collection of indispensable information on the products on each stage of the goof chain. The effective action of the discussed system is possible due to the application of appropriate logistic tools, as being discussed in the present article. In the article there are presented the principal differences in applications of ERP and WMS systems in logistics and international GS1 identifiers which are recommended for logistics. Packaging structures of the objects stored in warehouses are submitted. Also, the principles of operation of a warehouse management system based on GS1 standards are discussed. The utilization of traceability in a warehouse management system is discussed, as well.