direct recirculation ratio of 1.0‚ and the influent sewage flow rate is 3 ML/d. Influent BOD to the primary tank is 200 mg/L‚ and the BOD removal efficiency in that tank is 35 percent. Compute the organic load on the trickling filter. 2. A grit of specific gravity 2.8 flows into a grit chamber‚ 1.5-m wide‚ 10.5-m long and 2.5-m deep. The flow-rate of wastewater into the chamber is 2 m3/s. What is the minimum radius of the grit (in mm) if it was to be captured by the grit chamber? Assume the flow
Premium Fluid dynamics Chemical engineering Analytical chemistry
HIST 100 Primary Source Analysis Part I: Paragraph Assignment—Authority & Order in the Classical West (20 points) Introduction & Purpose The first‚ and some would say principal‚ job of the historian is to discover both the meaning and the significance of historical evidence. This assignment will help you to continue to engage with a key problem facing historians of the early West: how to evaluate primary source evidence that can be both upfront and in some ways full of deceit. You will be
Premium Historiography History Primary source
Describe the early-warning mechanisms‚ its possible benefits and difficulties national parliaments might face applying it. The Treaty of Lisbon presents an early warning mechanism (EWM) which enables national parliaments (NPs) to intercede straightforwardly at the EU level. In association with this‚ the national parliaments may now raise protests and even assume a part in obstructing the EU enactment. The Constitutional Treaty variant of the early warning mechanism with the use of yellow
Premium European Union Treaty of Lisbon United Kingdom
Primary and Secondary Succession SCI/ 256 People Science and the Environment Primary and Secondary Succession This paper will review the components of primary and secondary succession as describes on page 68 and 69 of the textbook Environment. The scope of this paper will attempt to address how biotic and a biotic components effect the balance of the ecosystem‚ and how ecosystems go through the cycles of progression. When discussing primary succession‚ one must first
Premium Ecological succession Ecology Ecosystem
The Four Quartets Eliot finds an interesting aspect of time and eternity as displayed in this poem. There are philosophical investigations made in the poem within the twentieth century. The poem highlights the efforts of scientists in the bid to comprehend time (Kramer 10). This begins from Einstein’s explanation of quantum mechanics that enabled artists and scientists to come up with numerous ideologies regarding time. Postmodernists hold the view that the value of timelessness on eternity results
Premium T. S. Eliot Future
Family as a Primary Group Social Problems Garelick August 2010 Family as a Primary Group Family plays an important role in the life of every person and society as a whole. It is no surprise that at every new stage of development in our society‚ with every revaluation of values‚ the interest in the issues of family‚ morality and spirituality spikes. At the present time‚ in the complicated environments through which we weave our lives‚ the family remains a unique mediator between the interests
Free Sociology
Ownership of Bodily Fluids and Organs: Do we have the right to sell Organs and Fluids? The advancement of modern technology and our continual progress in medical sciences have made it necessary to debate this topic. There are many cases where it is unclear as to whom has the property rights of bodily fluids‚ cells‚ or organs. These questions of ownership tend to surface in cases where these products are no longer located within a person’s body. The necessity to delegate ownership
Premium Human body Property Ownership
Actual Mechanism of Heat Loss during Exercise High heat and humidity reduce body’s ability to lose heat by radiation or convection and evaporation. While exercising‚ the heat production within muscle and it is transfer from the core to the skin. Under appropriate environmental conditions‚ excess body heat dissipates to the environment which regulates the core temperature within a narrow range. During exercise in the heat‚ the heat loss mechanisms compete with the active muscles for more of the
Premium Heat Energy Temperature
and I started to cry because my parents were not there with me. I ventured myself and try to make friends. Lucky me‚ I got many friends and we were so happy enjoying our school life. Graduated from kindergarten as a bright student‚ I move on to my primary school‚ first day a bit nervous but I managed to control myself from crying. I started to make new friends at new school. I didn’t really concentrate on my studies because of influenced from my friends. My exam grade slowly began to fall down and
Premium Primary education 2004 albums Mother
Fluid and Electrolytes Homeostasis t State of equilibrium in internal environment of body‚ naturally maintained by adaptive responses that promote healthy survival t Body fluids and electrolytes play an important role Water Content of the Body t Accounts for 60% of body weight in adult t 70-80% of body weight in infant t Varies with gender‚ body mass‚ and age Compartments t Intracellular fluid (ICF) t Extracellular fluid (ECF) l Intravascular (plasma) l Interstitial t Transcellular
Premium Potassium Sodium Renal failure