Ionizing radiation

3.6 Management 3.61 Treatment Oral cancer is a localised disease that most likely infiltrates adjacent bone and soft tissue and tends to spread to regional lymph nodes in the head and neck region. It is essential to carry out a thorough examination which includes, inspection, palpation of oral cavity and neck; distant metastasis is quite unlikely. Imaging modalities such as CT and MRI are commonly used to investigate the extent of spread of oral cancer to adjacent tissues including bone and…

rates in wireless communication and to have better performance of networks especially for indoor networks using light emitting diode (LED) lamps [2]. LED, has many benefits such as low power consumption, small size, long life, low cost, low heat radiation. So they are used in numerous applications, like traffic lights, advertisement displays, and indoor lighting equipment and so on. LED based Li-Fi can provide internet connectivity to users instead of using existing wireless technologies…

The polar bear is part of the Ursidae family and it’s scientific name is, Ursus Maritimus. It’s physical characteristics are that it is white, six to nine feet and 800 to 1,300 pounds. It feeds upon seals and fish for nutrients. The polar bear population is decreasing drastically because of global warming and is at an all time low of about 22,000. Even though they live most of their lives in the water, their home is on the ice nursing and taking care of their cubs. They were marked as threatened…

Radiology is the science of utilizing varying forms of high-energy radiation such as x-rays, for the diagnosis of injury and disease. An x-ray technologist is the medical professional responsible for the x-ray procedure. The technologist has many roles and is obligated to follow protocol while completing daily responsibilities. One of the main roles of the technician is communicating with the patient, this involves but is not limited to: greeting the patient, educating the patient on the…

Sound is an amazing spectacle, it is a thing that is made up of vibrating waves that move up and down back and forth. Two ways to think of sound in a real life example are: 1st a slinky; the way it jiggles back and forth is much like how a sound wave can jiggle, 2ond a water wave; the way that the wave looks much like a squiggly horizontal line that is what sound waves act much like. A vibration, A.K.A the up and down slinky motion and the to and fro water wave motion, are called vibrations. A…

Experiment #6: Polarimetry Resolution of (∓)-Racemate: (∓)-ɑ-Phenylethylamine OBJECTIVE All chiral molecules have a mirror image of themselves. While they have the same physical properties, they interact with other chiral molecules completely different. Since there are many chiral molecules in organics, this can lead to the need to make optically pure products. If the chemist does not, it can lead to many problems including death. In this experiment, the separation of two enantiomers was…

Introduction The microscope is an optical instrument that produces large images of small objects that cannot be observed by the human naked eye. There are two types of light microscopes: compound microscope and Electron microscope. Light microscopes are divided into two categories: Compound microscopes and Stereoscope microscopes. Electron microscope functions in the following way; a stream of electrons emitted from an electron source built in the microscope, the obtained image is in black and…

The experiment is an investigation about the Zeeman Effect in an atomic Cadmium lamp. The part of the spectrum observed will be the 645nm (red) emission line. Electrons occupy energy levels within an atom when a photon of energy hf is absorbed by an electron in the n=1 level and if the energy is such that the electron is excited and ascends to the n=2 level after some time the electron will then descend back to the n=1 level and a photon of hf will then be emitted again. Each atom has its own…

SHAH How to do HDR photography (lions) HDR Photography HDR (High Dynamic Range) photography is a form of image processing that uses a series of images captured at different exposures to produce one, amazing photo. The dynamic range is a term used to infer to the ratio of darkness to the light. The idea is usually to compress the compress the light and have it appear on the final processed photo or computer in the same manner the eyes sees it. According to Photography.TutPlus, a good digital…

1 Introduction Interferometry is a measurement technique which utilizes the interference of waves in a medium to cre-ate interference patterns [5]. In general, the waves can be light, sound or radio waves. The interference pattern is detected by a photodetector and it provides some useful information about the properties of the object or phenomenon under test. Interferometers are used to make very small measurements that cannot be achieved with any other method. An important…