Chromatography Informative Speech
There are different ways that prints can be developed in crime labs; by the use of traditional powders, fluorescent powders, chemicals, and superglue. They can be viewed under laser and UV lighting. When the finger print analysis was done on the magazine, Christopher Vaughn’s fingerprints did not show
The first step is to place a drop of distilled water on a sterile swab and swab a small portion of the suspect substance, The place the swab against a presumptive blood test and an immediate color change should occur if the reaction is positive. If the stain is negative the suspected blood stain may be ignored. If the reaction is positive an evidence number is assigned to the suspected blood and the stain is photographed and measured. The forensic technician should note the stain was collected due to a positive reaction. The blood is then collected and packaged, and the package is sealed and labeled for identification Upon collecting blood if the blood is wet a sterile swab should be rotated in the stain, transferring the blood to the swab.
Sarah Bundy Sheri Waltz Speech 103 14 March 2017 Informational Speech: Amber Alert Introduction: Attention Gaining Device: Have you ever been missing? Has your mom or dad ever lost you in the store? SOUND CURIOUS Credibility Statement: Well, my mom has lost me once or twice.
Good morning Sarah, SPSY 510 (psy of exceptional children) goes into the 13 categories of disabilities in which students may be placed for special education. It's a lot of work, but it is a 8 week class. We meet Tuesdays from 5pm to 10pm. For the most part, two students present a chapter (yesterday I had a presentation on speech and language impairment and another lady talked about autism).
First woodblock printing was used on long scrolls, but then they used it on paper.
What is diabetes? I’m pretty sure that most of you at least once have heard about this disease, but probably not all of you are familiar to what it really is, how it’s caused and how it can damage human’s health. Diabetes is a chronic condition in which the pancreas produces little or no insulin. Insulin itself is a hormone needed to allow glucose to enter body cells for energy production.
The steps to take while processing each blood sample, is to sample every one separately, & then store & label them separately. First apply a couple drops of purified water to a cotton swab, then with the swab roll it over the DNA sample. When this is complete, the swab needs to go into a vile where it is to be secured with evidence tape, & labeled to be sent to a lab for testing, & the same process goes for semen, & other bodily
Goal for my audience: I want my audience to get to know the impact Pi Beta Phi has made on my life. Introduction “When you’re a Pi Phi, you will find a support system like no other. The bond of sisterhood means that you will be surrounded by amazing women that will push you to become the best you can be, offer advice and support in times of need, and help you laugh and have fun through your college years. It doesn’t matter what competitions we win or what awards we receive; what matters is that everyone is allowed to be themselves and each member makes friendships and memories that will last a lifetime.”
When school finals approach, students act in desperate ways to find solutions for mental focus on selective subjects. Fifteen percent of college students have illegally been using Adderall the past year. Adderall impacts learning in various ways, but In the long run can cause more harm than aid. Adderall is used to treat attention deficit hyperactivity disorder as part of a psychological and social issues. It helps to stay focused, pay better attention and stop fidgeting.
General Purpose - To inform Your Topic: Dental Specific Purpose: At the end my speech, I want my audience to understand that never to underestimate the power of teeth has on one’s life and what can be done to avoid horrific consequences. Attention Getter will be: Questions: Are you ever self-conscious about teeth when smiling or ever thought how it could affect many aspects of your life? Preview (thesis) Statement: Our teeth play an essential role in physical appearance, emotional and social contributions, and food and overall health.
Informative Speech Self Evaluation 1.What did you do well in your informative presentation? Be specific. Use examples from your speech. I have learned several things that I need to improve for upcoming speeches. I made many mistakes in my previous speech.
Imagine entering your local food store and seeing that items most people eat everyday have been discontinued. Items such as coffee, apples, cucumbers and honey are no longer available to consumers. This may not be possible in our generation, but one day it could very well happen. My name is Matt Shaw from the Millsap FFA, and I am here today to talk to you about a major issue that is facing agriculture, the honeybee population.
Hi, my name is Kevin and today i will be telling you how a steam engine inside a ship works. First people put coal in the burner. Then the coal burns and makes steam or smoke. The steam enters the piston through a valve and pushes the piston down. When the piston is pushed down it turns the propellers, so the pistons is more like a carousel without horses.
Verbal or non verbal communication is used everyday in our lives. Therapeutic communication focuses more on the physical and the emotional well being of the individual. It is a face to face communication that assist the person to help increase their self worthiness and decrease their level of stress. It is being used widely in the healthcare setting, especially in the mental health setting and the different techniques that are used during therapeutic communication is as followed. Active listening is highly recommended because being attentive to the patient shows careless.
Introduction The term chromatography actually means colour writing, and signifies a technique by which the substance to be examined is placed in a vertical glass tube containing an adsorbent, the different segments of the substance traveling through the adsorbent at distinctive rates of velocity, according to their degree of attraction to it, and producing bands of colour at different levels of the adsorption column. The substances least absorbed emerge earliest; those more strongly absorbed emerge later. (Wixom et al., 2011) In chromatography of all types, there is a mobile phase and a stationary phase.
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