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Liquid - liquid or gas - liquid multi phase flow patterns are of great of importance in a wide range of technological applications, e.g. heating and cooling systems, distillation processes, steam generation, oil recovery, food manufacturing, cosmetic production, nuclear power plant cooling and fire- fighting are encountered multi phase flow behavior and its governing factors. However, some these of applications require continuous flow of phases; and some others require dispersed flow of them....
Vietnam's economy has expanded rapidly in recent years, with its real gross domestic product (GDP) growing 7.7% in 2004 and 8.4% in 2005. Growth is forecast at 8.0% in 2006. Vietnam has had Normal Trade Relations status with the United States since late 2001, with 2002 marking the first time Vietnam shipped more goods to the United States than to Japan. Despite rising exports, Vietnam currently runs a slight trade deficit, but is projected to begin having trade surpluses by 2007. Much of...
A genetically modified organism or a genetically engineered organism is an organism whose genetic material has been altered using genetic engineering techniques. These techniques generally known as recombinant DNA technology , use DNA molecules from different sources , which are combined into one molecule to create a new set of genes. This DNA is then transferred to the organism giving it the new or modified gene. Transgenic organisms a subset of GMO's are organisms which have inserted DNA...
Manhattan Project : Second World War heralded many newer technologies of warfare. Nothing could be more spectacular and devastating than the development of atomic or nuclear weapons. It was on 2 August 1939 that some scientists apprised President Roosevelt of efforts of Nazi Germany to build an atomic bomb. Shortly thereafter the United States Government began the serious work then known as the Manhattan Project. A remote site on the Alamogordo Bombing Range, code named Trinity was chosen to...
Abstract Microparticles (MPs) originate from blebbing and shedding from cell membrane surfaces in physiological and pathological conditions. Red cell microparticles are generally smaller in size. They are approximately 0.15 μm in diameter. Although definition of microparticles is currently lacking, they play major roles within homeostatic control. Microparticles are associated with various diseases such as thrombosis. Four cell lines were used to observe the rate of inhibition of...
The experimental objective was to determine biological molecules and the concentration of solutions through the utilization of a spectrophotometer, fluorometer and Beer's Law. The concentration of a solution of NADH was determined by direct application of Beer's Law at 340 nm, with a - 24% error. The concentration of solutions of proteins were determined by the Bradford assay, against bovine γ-globulin standards, with a + 10.4 % error for a bovine γ-globulin unknown and a + 45%...
The structural and physiological characteristics of neurons are tailored to their particular role in the nervous system. Give six examples of neuron types and discuss the experimental evidence showing that each is specialized for a particular function. They were first found in 1990's, in the Russell Foster and his colleges' studies in Mammals. Mice which carry gene defects resulting in blindness could do the same sensitivity as fully sighted animals to a light/dark cycle [1]. These, and a host...
This experiment provided an opportunity of conducting soldering, and of learning analysis technique using spectroscopy and microscopy. The samples used in analysis are Sn- Bi alloys with different compositions. Cooling curves were depicted by cooling down these alloys from 300 ℃, and were used to draw phase equilibrium diagrams. SEM and EDS were applied to generate surface topographical images and chemical compositions of the specimens, making comparisons with the calculated results...
As it is known to everyone, the influenza is a worldwide infectious disease and very familiar to those people who are living in small villages or in very big cities. The influenza or the flu as it usually referred is caused by RNA viruses which belong to Orthomyxoviridae family. These viruses affect mammals and birds as well. The influenza is typically transmitted through the air by sneezes or coughs creating virus containing aerosols. This is not the only way for influenza transmission but it...
Prostate cancer is a leading cause of cancer death in men. Initially the disease is 'androgen-dependent' however it has the ability to switch to highly metastatic 'androgen-independent' states for which there are a number of proposed mechanisms. These mechanisms are potential targets for the development of new anti-cancer drugs. This review discusses the androgen receptor in prostate cancer and how the 'switch' to androgen-independence occurs. GPCR's have been proposed to have roles in...