Health Benefits of Lecithin - Its Advantages to Your Daily Life

Lecithin is a general term given to any yellowish-brown substance that is found in both animal and plant tissues as well as in egg yolk that contains a rich Supply of fatty acids, phosphoric acid, glycerol, glycolipids, triglycerides and phospholipids.

Health Benefits of Lecithin - Its Advantages to Your Daily Life

Health Benefits of Lecithin - Its Advantages to Your Daily Life

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Health Benefits of Lecithin - Its Advantages to Your Daily Life

Health Benefits of Lecithin - Its Advantages to Your Daily Life

The major phospholipid content in lecithin obtained from soya and sunflower include phosphatidylcholine, phosphatidylethanolamine, and phosphatidylinositol. Phosphatidylcholine is a major component of the phospholipid content of cell membranes thus, it is present in all cellular organisms. Because of its importance as a key ingredient of lecithin, phosphatidylcholine is sometimes used synonymously with lecithin.

Soybean oil is one of the major sources of lecithin. Lecithin is produced when gum substances in the plant oil that cannot be reMoved by simple water degumming and wax substances is mixed with food acid or acid anhydride.

Studies show that lecithin obtained from soy beans has the ability to dramatically reduce cholesterol and triglycerides level while increasing HDL or "good cholesterol" levels in the blood.

People who are on niacin medication to lower their cholesterol level have low Supply of choline as a side effect. These people therefore, need to take an increased amount of lecithin to replenish the depleted Supply of choline in their diet. Lecithin obtained from egg is not a threat to the health of those on low cholesterol diet because the lecithin found in egg prevents the absorption of its cholesterol content.

For pharmaceutical purposes, lecithin makes a good wetting, stabilizing and dispersing agent. It also helps in the emulsification and encapsulation of food and the perfect ingredient in the production of fat solutions to be used intravenously.

An example of lecithin's emulsifying property is its ability to keep cocoa and cocoa butter in a candy bar tightly packed together. It is also used to combine with butter, margarines and oil for easy spreading, and used to reduce spattering during shallow frying.

Lecithin has multiple uses in the food manufacturing industry. It is the substance that makes candies and other confectioneries hard or soft, helps maintain consistency in the mixture of ingredients, lengthens shelf life of some food products and regulates sugar crystallization and viscosity of chocolates. It can also be used as a substitute for the more expensive ingredients. It is a key component of cooking sprays to prevent food from sticking to the frying pan when cooking.

Lecithin can be used as substitute ingredient for the fat and egg requirements in making dough for bakery products. It helps in the even distribution of ingredients when making the dough, increases dough volume and preserves the yeast in the dough when frozen.

For pharmaceutical purposes, lecithin makes a good wetting, stabilizing and dispersing agent, helps in the emulsification and encapsulation of food and an ideal component of intravenous fat infusions for dextrose.

Lecithin is an important component in the manufacture of paints as it protects surfaces that have been painted with printing ink, protects paint surfaces from developing rust, acts as a color enhancer, prevents the formation of foam in water-based paints and helps in dispersion of fats in latex-based paints.

In the construction industry, lecithin is also used as a release agent for plastics. A release agent prevents freshly installed concrete from adhering to the surface of plywood, overlaid plywood, steel or aluminum. It is used as an additive to prevent formation of sludge in motor lubricants, anti-gumming agent in gasoline and used as an antioxidant in the manufacture of textiles and rubber.

Health Benefits of Lecithin - Its Advantages to Your Daily Life

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Die Casting - Advantages and Disadvantages

Die casting is a process in which molten metal is forced under high pressure into mold cavities. The metal hardens to get a desired shape. In recent times, plastic molded parts have replaced die-casting, as they are cheaper and Lighter than die cast parts. Die-casting can be done using a cold chamber or hot chamber process.

Die Casting - Advantages and Disadvantages

Die Casting - Advantages and Disadvantages

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Die Casting - Advantages and Disadvantages

Die Casting - Advantages and Disadvantages

About Die Casting Process

Die casting is a widespread non-expendable technique in which metal are forced into the mold cavity under high pressure. Die casting mold that are known as dies can be used repeatedly to produce castings in a variety of sizes, shapes and wall thickness. The mold cavities are designed with intricate designs that enables in producing complex shapes with accuracy, surface finish and attractiveness..

History of Die Casting

In the early days of die casting only low-pressure injection method was used, but today high-pressure casting techniques like squeeze casting and semi-solid die casting methods are use to cast more than 4500 pounds per square inch. Initially, only tin and lead were die caste, but now magnesium, copper and other alloys are also to cast using this highly popular process.

Die Casting Process

In this process molten metal or other materials are forced, under high pressure into the cavities of the steel mold. Dies are two part molds that are made of alloy tool steel - The fixer die half and the ejector die half. The die or mold is fabricated with the impression of the component that is to cast. There are four types of dies:

Single cavity to produce one component
Multiple cavity to produce a number of identical parts
Unit die to produce different parts at one time
Combinations die to produce several different parts for an assembly

The molten metal is injected into the die under high pressure and high speed, which helps in producing a casting that is smooth and precise as the original mold. The pressure is maintained on the mold until the hot metal solidifies. When the metal is hardened, the die is opened to reMove the casting.

There are several variations on the basic process that can be used to produce castings for specific applications. These include:

Squeeze casting - A method by which molten alloy is cast without turbulence and gas entrapment at high pressure to yield high quality, dense, heat treatable components.

Semi-solid molding - A procedure where semi-solid metal billets are cast to provide dense, heat treatable castings with low porosity.

Alloys used

Aluminum, copper, lead, zinc and tin based alloys are predominantly used in die-casting.

Automation

In modern day, sophisticated die casting machines are used that ensures consistent quality control. Every machined die-casting differs in the method in which molten meal is poured into the die. Automations are used to lubricate dies, pour the metal into the chamber, etc. Two processes called the hot chamber and the cold chamber methods are used for die casting.

Applications

Die casting is most suitable for casting medium sized parts with complex details. Die-casting is the largest casting technique that is used to manufacture consumer, commercial and industrial products like automobiles, Toys, parts of sink faucet, connector housing, gears, etc. Most die castings are done from non-ferrous metals like aluminum, magnesium, etc.

Advantages

Economical process that can be used for a wide range of complex application
Parts have longer service life, dimensional accuracy and close tolerance
Post machining can be totally eliminated
A process that can be fully automated
Mold can be use repeatedly.

Disadvantages

Casting weight must be between 30 grams.
Casting must be smaller than 600 mm (24 in)
High initial cost.
Limited to high-fluidity metals.

Die Casting - Advantages and Disadvantages

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The Advantages of eLearning

Technology has revolutionized business; now it must revolutionize learning.

The Advantages of eLearning

The Advantages of eLearning

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The Advantages of eLearning

The Advantages of eLearning

In the 21st century, people have to learn more than ever before. Especially for global organizations, live classroom-based training is becoming too costly and cumbersome. Even if employees had the time to attend all the courses and seminars and to read all the books and reports they should to remain up-to-date in their area of work, the cost of such learning would be prohibitive. The need to transform how organizations learn points to a more modern, efficient, and flexible alternative: eLearning. The mission of corporate eLearning is to Supply the workforce with an up-to-date and cost-effective program that yields motivated, skilled, and loyal knowledge workers.

Anywhere, anytime, anyone.

The Internet can offer the logical solution for a company's education and training objectives. Approximately 80% of the professional workforce already uses computers on the job. Technical obstacles, such as access, standards, infrastructure, and bandwidth, will not be an issue in a few years. The growth of the World Wide Web, high-capacity corporate networks, and high-speed desktop computers will make learning available to people 24 hours a day, seven days a week around the globe. This will enable businesses to distribute training and critical information to multiple locations easily and conveniently. Employees can then access training when it is convenient for them, at home or in the office.

Substantial cost savings due to elimination of travel expenses.

When delivered through technology based solutions, training is less expensive per end user due to scalable distribution and the elimination of high salaries for trainers and consultants. The biggest benefit of eLearning, however, is that it eliminates the expense and inconvenience of getting the instructor and students in the same place. According to Training Magazine, corporations save between 50-70% when replacing instructor-led training with electronic content delivery. Opting for eLearning also means that courses can be pared into shorter sessions and spread out over several days or weeks so that the business would not lose an employee for entire days at a time. Workers can also improve productivity and use their own time more efficiently, as they no longer need to travel or fight rush-hour traffic to get to a class.

Just-in-time access to timely information.

Web-based products allow instructors to update lessons and materials across the entire network instantly. This keeps content fresh and consistent and gives students immediate access to the most current data. Information can be retrieved just before it is required, rather than being learned once in a classroom and subsequently forgotten. Training Magazine reported that technology-based training has proven to have a 50-60% better consistency of learning than traditional classroom learning (c-learning).

Higher retention of content through personalized learning.

Technology-based solutions allow more room for individual differences in learning styles. They also provide a high level of simulation that can be tailored to the learner's level of proficiency. With 24 x 7 access, people can learn at their own pace and review course material as often as needed. Since they can customize the learning material to their own needs, students have more control over their learning process and can better understand the material, leading to a 60% faster learning curve, compared to instructor-led training. The delivery of content in smaller units, called "chunks," contributes further to a more lasting learning effect. Whereas the average content retention rate for an instructor-led class is only 58%, the more intensive eLearning experience enhances the retention rate by 25 - 60%.1 Higher retention of the material puts a higher value on every dollar spent on training.

Improved collaboration and interactivity among students.

In times when small instructor-led classes tend to be the exception, electronic learning solutions can offer more collaboration and interaction with experts and peers as well as a higher success rate than the live alternative. Teaching and communication techniques which create an interactive online environment include case studies, story-telling, demonstrations, role-playing, simulations, streamed videos, online references, personalized coaching and mentoring, discussion groups, project teams, chat rooms, e-mail, bulletin boards, tips, tutorials, FAQs, and wizards.

Distance education can be more stimulating and encourage more critical reasoning than a traditional large instructor-led class because it allows the kind of interaction that takes place most fully in small group settings. Studies have shown that students who take online courses are typically drawn into the subject matter of the class more deeply than in a traditional course because of the discussions they get involved in.2 This engagement is further facilitated by the fact that instructors do not monopolize attention in an online environment. Another study found that online students had more peer contact with others in the class, enjoyed it more, spent more time on class work, understood the material better, and performed, on average, 20% better than students who were taught in the traditional classroom.

Online training is less intimidating than instructor-led courses.

Students taking an online course enter a risk-free environment in which they can try new things and make mistakes without exposing themselves. This characteristic is particularly valuable when trying to learn soft skills, such as leadership and decision making. A good learning program shows the consequences of students' actions and here/why they went wrong. After a failure, students can go back and try again. This type of learning experience eliminates the embarrassment of failure in front of a group.

With all of these advantages of taking classes online, it is hard to imagine why anyone would opt to sit in a lecture to learn new information. There are online classes available free on a multitude of topics, just start surfing, find one to your liking, and start learning!

ENDNOTES

1 Jack E. Bowsher, "Revolutionizing Workforce Performance: A Systems Approach to Mastery," 1998; D. Peoples, Presentations Plus, 1992; Training Magazine, 1998.

2 Greg Kearsley, A Guide to Online Education, 1997; Dennis A. Trinkle, "Distance Education: a Means to an End, No More, No Less," The Chronicle of Higher Education, 1999; Colin McCormack and David Jones, "Building a Web-based Education System," 1997.

The Advantages of eLearning

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Advantages of Digital Media Player

As with any other new technological arrival, digital media player comes with features that perfectly go with the latest needs.

Advantages of Digital Media Player

Advantages of Digital Media Player

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Advantages of Digital Media Player

Advantages of Digital Media Player

Digital media player stores picture, video, and music files. It offers all the options that you would love to see in such devices. It allows you to transfer these files from the computer to the player. It keeps large files in compressed form, at 10:1 rate, and store the information as flash memory.

If you are deciding to buy a digital media player, better do some study first to make sure that you are adding a worthy component to your entertainment system? If you are unable to decide, look at the following details to make sure you are getting the right thing.

Handling: You will find a digital media player the easiest to handle device. What you have to do is to transfer the digital file to the player; the rest will be very easy. Finding your files and other navigations are very simple and easy. A digital media player is a simple and fast-to- handle device, do not worry about it.

Files Storage Flexibility: You should know that if you add a online media player to your system, means you are adding lot of flexibility to it. Finding and switching between files are fast and simple. Its greater flexibility shows in terms of the physical layout of the system; all the files are stored on the media player and the player takes care of all the files in an easier and flexible way. Files like the ones of pictures, Audio, and video will be conveniently stored in a logical order.

Convenience: You can search the movie or any other file with all the ease and convenience. You do not have to bother with the DVDs, searching for the movie or music you want to Watch or listen. You will get the electronic directory with all the lists of stored files; just click on the desired one and it will go on. Moreover, you can Watch the movie right on your TV screen. All such operations are very skillfully designed to offer the maximum convenience.

Safe and Secure: CDs or DVDs do not remain long in good condition. They can be damaged by any accident or mishandling, or may get lost, or the quality of movie print on CD or DVD deteriorates over time. No such problems ever exist in digital media player. Whatever is stored, will remain in perfect conditions for much longer period of time. Just store the files and forget about its safety or security.

If you frequently use your entertainment system to listen to music or watch movies, sure a digital media player will be of great use. Your task will become much easier and fast, and you do not have to worry about handling bundles of DVDs and CDs. The ease and convenience of use will offer you more comfortable enjoyment.

Advantages of Digital Media Player

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