INTRODUCTION Worldwide postharvest fruit and vegetables losses are as high as 30 to 40% and even much higher in some developing countries. Reducing postharvest losses is very important; ensuring that sufficient food‚ both in quantity and in quality is available to every inhabitant in our planet. Proper postharvest processing and handling is an important part of modern agricultural production. Postharvest processes include the integrated functions of harvesting‚ cleaning‚ grading‚ cooling‚ storing
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it will be overcast all of a sudden. Testing abiotic components would help us show diversity in different kinds of environment. Three varied location were selected; A classroom‚ a busy street (Recto Ave.) and the university garden. Temperature‚ relative humidity‚ atmospheric pressure‚ precipitation and evaporation rates were tested in each place‚ all with three trials then its average. A laboratory thermometer‚ slingshot psychrometer‚ barometer‚ graduated container cups and aluminium pan/containers
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powerful competitive tools yet developed: his three generic strategies -- lowest cost‚ differentiation‚ and focus -- which bring structure to the task of strategic positioning. He shows how competitive advantage can be defined in terms of relative cost and relative prices‚ thus linking it directly to profitability‚ and presents a whole new perspective on how profit is created and divided. In the almost two decades since publication‚ Porter’s framework for predicting competitor behavior has transformed
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content in air or other gases. Humidity is usually measured in terms of absolute humidity (the ratio of the mass of water vapor to the volume of air or gas)‚ dew point (the temperature and pressure at which a gas begins to condense into a liquid)‚ and relative humidity‚ or RH (the ratio of the moisture content of air compared to the saturated moisture level at the same temperature or pressure). Thermal conductivity humidity sensors‚ also known as absolute humidity sensors‚ are capable of measuring absolute
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1. Is a temperature inversion more likely to form on a calm or a windy night? Why? A temperature inversion is most likely to form on a calm night. Windy nights are not ideal for an inversion to occur since an inversion is considered a stable layer of atmosphere as well as due to the wind mixing the air to even out the density‚ remembering cold air is denser than warm air so it will flow downhill and pool in a valley. 2. What are the various methods used to protect sensitive crops from damaging
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all organisms lives including human in terms of health and food. Water absence from the soil solutions affect the natural evaporative cycle between earth and atmosphere that contribute amount of rainfall. Drought occurs when soil moisture level and relative humidity in air is low while temperature is also high. UN reports (2006) estimate that one third of world population has been living in areas where the water sources are poor. Water stress resulting from the withholding of water‚ also changes the
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2.1.1 Theory of Relative Humidity Relative humidity is the relationship between the actual water vapor pressure and the maximum possible water vapor pressure. As stated by PAGASA (Philippine Atmospheric‚ Geophysical and Astronomical Services Administration) “Due to high temperature and the surrounding bodies of water‚ the Philippines have a high relative humidity. The average monthly relative humidity varies between 71 percent in March and 85 percent in September”. Relative humidity contributes
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OBSIDIAN HYDRATION There are two ways of Obsidian Hydration. One is to determine if the artifact is older or younger as the other is a calendar date of AD/BC being used. The decision of which one to use is relative or absolute dating depends on the environment’s condition. The dating of Obsidian Hydration artifacts‚ which is based on the fact that a freshly made surface of obsidian will absorb water from it’s surroundings to form a measurable hydration layer. For example‚ cracking of the lava
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Approaches to Humidity Control Humidity control in a conditioned space is done by controlling the amount of water vapor present in the air in the space. When relative humidity at the desired temperature set-point is too high‚ dehumidification is required to reduce the amount of water vapor in the air for humidity control. Similarly‚ when relative humidity at the desired
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standing water‚ and 3) the result of relative humidity. Through this lab‚ I will learn how the changes in temperature can cause condensation to occur and how it affects relative humidity. Before completing this lab‚ one must understand that “all air has some moisture in it‚ but how wet the air feels depends not just on the amount of moisture but also the temperature of the air” (Lab Intro Given). In the meteorology career‚ terms such as “dew point and “relative humidity” are used. The following
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