guidelines on ee of air conditioning installations

... applications. 1.4 CENTRAL HYDRONIC AIR CONDITIONING SYSTEMS Central hydronic air conditioning systems are also called central air conditioning systems. In a cen- tral hydronic air conditioning system, ... 30). Space Conditioning Air Conditioning Systems Space conditioning air conditioning systems are also called space air conditioning systems. They have cooling...

Ngày tải lên: 29/10/2013, 20:15

... of occupants of the air conditioned space, they have little effect on the thermodynamic properties of moist air since their mass concen- tration is low. For simplicity, moist air is always considered ... Properties of Moist Air The most exact calculation of the thermodynamic properties of moist air is based on the formula- tions developed by Hyland and Wexler of th...

Ngày tải lên: 29/10/2013, 20:15

... plants require water consumption in the production of the electricity used by the conventional air- conditioning systems. The problems associated to contamination by legionnaire’s bacteria can ... to conventional systems in these applications where no very low temperatures are needed, like the case of air- conditioning during the summer. However, the risk of contamination by l...

Ngày tải lên: 05/09/2013, 16:10

... Imaging. The content of these European Society of Cardiology (ESC) Guidelines has been published for personal and educational use only. No commercial use is authorized. No part of the ESC Guidelines ... professional’s responsibility to verify the rules and regulations applicable to drugs and devices at the time of prescription. 2. General considerations 2.1 Introduction At present...

Ngày tải lên: 12/02/2014, 12:20

... Modelling the effects of air pollution The effects of air pollution are typically assumed to be constant (represented by γ), or depend on the level of air pollution, the latter of which replaces w t γ ... part of the seasonal variation is modelled by the smooth function of temperature, while the long-term trends and temporal correlation are removed by the smooth function of...

Ngày tải lên: 17/02/2014, 10:20

... largely a reflection of the seasonal variations of the meteorological conditions. The bulk properties of the aerosols can be inferred from the variations of the Ångstrøm exponent (Figure 3(b)). ... large-scale circulation patterns are characteristic of the impacts of absorbing aerosols on the Indian monsoon. The 2008 Indian monsoon In this section, we use the 2008 Indian...

Ngày tải lên: 17/02/2014, 22:20

... indoor air pollution among non-smoking office employees. Environ Res 2007, 103:331-337. 20. Chua ng KJ, Chang CC, Su TC, Lee CT, Tang CS: The effect of urban air pollution o n inflammation, oxidative ... modified effects of OC and/ or sulfate with larger effects among those carrying the wild type of GSTP1, catalase, non-wild type of GC and the non-null of GSTM1. Conclusions: Pol...

Ngày tải lên: 17/02/2014, 22:20

... . Convention on long-range transboundary air pollution. Task force on mapping, Geneva, Publication of the Federal Environmental Agency, Berlin. Westman L. 1974. Air pollution indications ... -   Degradation of the ground vegetation leads to increased litter accumulation, and the deposi- tion...

Ngày tải lên: 17/02/2014, 22:20

... revision of the 1999 Protocol to Abate Acidification, Eutrophication and Ground-level Ozone. This Protocol is one of the eight multilateral environmental agreements under the UNECE Convention on Long-range ... environmental agreements under the UNECE Convention on Long-range Transboundary Air Pollution (LRTAP). Since its ratification in 1979, this Convention has contributed to lower...

Ngày tải lên: 17/02/2014, 22:20