Abstract: The paper discusses reviewed literature on the aspects important for classroom Indoor Air Quality (IAQ). A variety of classroom conditions exist in school buildings which are detrimental to health of children and adolescents which may result in poor performance in their academic endeavors. Several researches on school environments claims that poor IAQ in schools can trigger health effects that directly impair concentration or memory – e.g., neurological effects – or cause other health
Experimental analysis Cryogenic cooling in CO2 and Performance of TiN Coated Tools in Conventional Milling of AISI D2 Steel Abstract Without coolant in machining it will affect the tool life, dimensional accuracy,cutting temperature,surface roughness and productivity of the product.The experimental work is carriedout in conventional milling under Dry,Wet, and cryogenic cooling CO2 envirnment with AISI D2 Steel with
in 1999. This program integrates international businesses and industries with climate and energy. As reported in 2012, the climate savers were able to cut CO2 emissions by 100 million tonnes from 1999-2011 (Gland, 2012). The members of this program will continue to cut down their emissions until 2020, as they have promised, with the hope of CO2 reduction exceeding 350 million tonnes. However,
While making bread the yeast is the part which undergoes cellular respiration. During the making of bread, yeast starts off respirating aerobically (without the use of oxygen), which then leads to the creation of CO2 and water, which causes the dough to rise. Yeast works as a leavening agent in bread, changing the sugars in dough into gas, which creates the bubbles in the core. The longer the yeast is allowed to work in the bread, which is during the rising period
collected from the courtyard and washed with distilled water, later dried under the shade for 10-12 days. Dried leaves were then grounded into powder, in an electric grinder. Whatman filter paper no. 3 was used to pack the leaf powder and extracted under soxhlet extractor in methanol at 80 °C for 12 hour. Whatman filter paper no. 1 was used to filter the extract, and later dried using rota-vapour. Fruits of E. officinalis were dried for one month under shade and with the help of an electrical grinder
Related Studies Local: In cartoon shows, banana peels are commonly present when characters in the show are about to slip, and some scientists wondered if this is true. A scientific research was conducted about this matter and states that it is possible to slip when stepping on a banana peel-since the banana peel decreases the friction of the shoe sole by one-fifth of it. (J. Ballini, 2014) According to Liesl Clark, banana peels can also be natural alternative sources of shoe polish, teeth whitener
products. For example, a scientist named Oriel Cusola has patented a new compound applied on paper to make it water proof . The production of enzymes has integrated for use in our daily lives, such as the use of meat tenderizer and cleaning fluids . These enzymes have evolved in nature to effectively speed up chemical reactions. The use of enzymes reduces the amount of chemicals needed, mainly in the paper industry . Industrial biotech can also replace petroleum-based feedstocks by conducting biomass
Isolation and Characterization of Low Density Polyethylene (LDPE) Degrading Soil Microbe from Polythene Dump Site Submitted by: Ma. Vanessa A. Velasco Daisy Ann L. Olpindo Submitted to: Ms. LuzvimindaDinglasan INTRODUCTION Background of the study Polyethylene consists of long chains of repeating units of smaller molecules which are non-biodegradable (Burd, 2008). It is thermoplastic
Abstract & Introduction PETRONAS Fertiliser Kedah Sdn. Bhd. is a company that deal with production of ammonia, methanol and urea. In this project, the primary reformer tube replacement and catalyst changeout was among many job that was done during the plant turn around. To understand about this project, we must familiarize first with the ammonia production in the ammonia plant and the function of the primary reformer in ammonia production. Ammonia Production Process Ammonia is produced from a gaseous
about chemical reactions. Anaerobic respiration uses food to produce ATP while aerobic just uses oxygen, which use cells to break down food which then produces about 36 ATP. Many environmental conditions can cause respiration in yeast and the amount of CO2 can determine how much respiration will occur in the