natural recycling vs human generated waste

On a yearly basis a human produces roughly 500 liters of urine and 50 liters of feces. These two products contain enough nutrients to grow most of the plants that this person needs as food. But instead of utilizing these 550 liters as a resource, we mix it with roughly 15,000 liters of water, and all goes down the drain. Before it reaches the sewage plant, if there is one, this slurry gets mixed with hundreds of pollutants along the way.

The conventional sewage plant rarely retains or destroys all ba ....etc

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Waste and wastes are unwanted or unusable materials. Waste is any substance which is discarded after primary use, or it is worthless, defective and of no use.

The term is often subjective (because waste to one person is not necessarily waste to another) and sometimes objectively inaccurate (for example, to send scrap metals to a landfill is to inaccurately classify them as waste, because they are recyclable). Examples include municipal solid waste (household trash/re ....etc

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Concentrated solar power (CSP) systems use lenses or mirrors to focus a large area of sunlight onto a small area. Electrical power is produced when the concentrated light is directed onto photovoltaic surfaces or used to heat a transfer fluid for a conventional power plant.

Concentrated solar thermal:
Concentrated solar thermal (CST) is used to produce renewable heat or cool or electricity (called solar thermoelectricity, usually generated through steam). CST systems use lenses or mirrors and tracking systems to focus a large area ....etc

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Prepared by:
Amit B. Mahindrakar

Introduction

This study is motivated by a real problem at the Alang ship-dismantling facility near Bhavnagar in Gujarat. The focus of this study is the paint chip waste which is generated in ship breaking activity. Alang, located 56 Km away from Bhavnagar city in Gujarat, came up as ship breaking site during 1982-83. Hundreds of old ships, after their useful life, are broken at the Alang ship breaking yards without any precaution to protect the environment. Ship breaking and its harmful consequ ....etc

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Lottery Tips and Tricks
The lottery is a game of chance rather than a game of skills. You can just use any lottery strategy to predict winning numbers. However, here you can find tips provided by some lottery experts. As usual, suggestions are considered a controversial topic and you should study them with the critical mind. But anyway, it's best to know as much as possible when you decide to embark on anything. Who knows, maybe one day these tips will help you pick up more winning numbers from the lottery or at least eliminate numbers ....etc

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You can total your current semester courses and credits with our online GPA Calculator. The online GPA calculator is a tool to calculate grade point average based on a typical high school system. GPA is calculated by dividing the total amount of grade points earned by the total amount of credit hours attempted. We think you will find our GPA calculator both easy to use and helpful. Students can use the GPA calculator to determine their present high school, college, or graduate school grade point average, determine what their GPA is likely to be ....etc

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i am looking for concentrating solar power energy from mirrors seminar report with ppt ....etc

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Lottery is a game of chance rather then a game of skills. You may hardly use any lottery strategy to predict the winning numbers. However, here you may find tips provided by some lottery experts. As usual, hints are considered to be a controversial issue and you should study them with critical mind. But anyway, it is better to know as much as possible when you decide to embark on anything. Who knows, maybe one day these tips will help you pick up more winning lottery numbers or at least eliminate numbers or sets of numbers that are not likely t ....etc

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Abstract
In adjustable speed drive applications, the switching of the inverter semiconductors generates common
mode currents as well as harmful overvoltages on the motor terminals when long cables are used.
Consequently, bulky and expensive input and output filters must be used. This work aims at reducing
these disturbances from their origin by using a three-level neutral-point-clamped (NPC) inverter
controlled with a new pulse-width-modulation (PWM) strategy. Whereas previous common mode
noise-reducing strate ....etc

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