on Structure and Properties of PTT Fiber and Spinning Feasibility of PTT Short Fiber PTT (Polytrimethylene terephthalate) fiber is a kind of the most important fibers of the after-polyester period. With the development of economy‚ people’s living standard is improving. More and more consumers hope that in the field of clothes and articles for daily life‚ high performance fabric can be conducted. Compared with other traditional chemical fibers‚ PTT fiber has the following characteristics:
Premium Fiber Fibers Temperature
Fiber evidence has become an essential part of criminal cases involving personal contacts such as homicide‚ assault‚ or sexual offenses in which cross-transfers may occur between the clothing of the suspect and victim. (Saferstein‚ 2015). Fiber evidence has not played a significant role in many cases involving large amounts of casualties until Wayne Williams‚ the Atlanta Child Murderer. (Deadman‚ 1984) During an investigation fibrous debris removed from the bodies of twelve victims were used to
Premium Forensic evidence Evidence law Crime
Muscle contractions happen when muscle fibers are stimulated‚ which can cause one of many types of contractions. Isometric contractions‚ which means that tension happens in the muscle but there is no change in muscle length‚ therefore there is no movement of the muscle itself. An example of Isometric contractions would be strength training‚ such as holding a weight still‚ which happens in the biceps brachii. The biceps brachii the gets more tension‚ but the muscle length stays the same. As for isotonic
Premium Metabolism Glucose Adenosine triphosphate
practices in question are more damaging than petty bribery or insider trading. In the late 1980s‚ some European tanneries and pharmaceutical companies were looking for cheap wastedumping sites. They approached virtually every country on Africa’s west coast from Morocco to the Congo. by Thomas Donaldson When we leave home and cross our nation’s boundaries‚ moral clarity often blurs. Without a backdrop of shared attitudes‚ and without familiar laws and judicial procedures that define standards of ethical
Premium Business ethics Ethics
collaborate and train for this sad new reality of society. With the recent rise in Active Shooter Incidents (ASI) the author David C. Billings‚ wrote the Executive Fire Officer Paper‚ EMS Under Fire: Developing an Active Shooter Incident Response. The author recognized the need to develop a Standard Operating Practice for a safe and effective response by the Manchester
Premium National Incident Management System Emergency medical services Police
Active involvement is being involved and with on camps events like clubs sports teams and drama productions like acting in a play singing or playing an instrument. I have been involved in all these fields. For example I worked with the drama production class setting up the play “I hate hamlet” that went on this semester. I was in charge of the light and sound cues that were in the play. I really enjoyed my time working on this play. I learned a lot from the different people that were working with
Premium Learning Person People
before. This paper will throw light on the current trend of increasing active audiences in the digital domain and its effect on the power shift from the broadcaster to the audience. Active Audience theory is a media theory that states that audiences don’t merely receive information but also process it and give meaning to the received content. This meaning is dependent on their values‚ belief and the cultural context they come from. Stuart Hall proposed a model that
Premium Sociology Audience theory Audience
Tips for Staying Active Almost any activity that gets you moving and strengthens your muscles is good for your health and can help you meet your fitness and weight goal. If you haven’t been exercising regularly‚ start out slowly and gradually increase duration‚ frequency‚ and intensity. If you have been exercising regularly‚ keep it up! Try Some Of The Following Suggestions: 1. Aim for at least 30 to 60 minutes of moderate intensity activity on most days. a. You can get your exercise all at
Premium Exercise Obesity Weight loss
The Outcomes of The Reconstruction for African Americans As much as being free from slavery was a time of joy for African Americans‚ being truly free from slavery was not to happen for many years to come. African Americans faced many social‚ political‚ and economic obstacles after Reconstruction. The years after Reconstruction continued to foster great tension between blacks and whites. This New South was new in name only because blacks were still not afforded the same rights as whites
Premium Southern United States Democratic Party Jim Crow laws
In this lab report I will be talking about exercise 3‚ the skeletal muscle lab. I will be going over the contraction of a frog’s gastrocnemius muscle. An overview of muscle contraction is based on the organization of the cytoskeletal proteins. The contraction is the shortening of a sarcomere‚ which is caused by the thick myosin filaments sliding past the thin actin filaments. The actual filaments aren’t getting shorter just sliding past each other. The contraction is caused by physical interaction
Premium Muscle Muscle contraction Myosin