However, antioxidants ingredients are also present in foods, especially in fruits, vegetables and other whole plant foods. Several vitamins, such as vitamins E and C, are effective antioxidants. Antioxidant preservatives also play a vital role in food production by extending shelf life.

This complete guide will tell you everything you need to know about centrifugal fans. You might be wondering ‘What is a centrifugal fan? What are centrifugal fans used for? What are the different types of fans?

We will answer these questions and more. We’ll also highlight several useful videos from HVAC experts who break down these con…[더 보기]

Is your electric or gas meter box looking a little worse for wear? Or perhaps you would like the look of your meter box to better fit with your house exterior or cladding? Whether you have a gas meter box, an electric meter box or even a water meter box door that you would like to spruce up, painting your meter box could be the solution for you.…[더 보기]

Did you know that there are a lot of wine additives used to make wine?

Most wine additives are safe, however, there have been a few notoriously famous cases of unsafe wine additives in the past. Let’s get into the nitty gritty truth about wine additives and dispel some common wine additive myths.

Worst Case Scenario: A Wine S…[더 보기]

Booms are a commonly used piece of sound equipment that allow you to position the mic close to your subject while staying just out of shot. Though a number of factors may influence the limitations on mic placement potential (for example, the chosen camera frame and the overall design of the set), the overall preferred method is to boom from above,…[더 보기]

To effectively maintain a pH range, a buffer must consist of a weak conjugate acid-base pair, meaning either a. a weak acid and its conjugate base, or b. a weak base and its conjugate acid. The use of one or the other will simply depend upon the desired pH when preparing the buffer. For example, the following could function as buffers when…[더 보기]

Even if cars soon start running entirely on electricity or hydrogen, they'll still need 100 gallons or more of oil to make their plastic parts, such as seats, dashboards, bumpers, and engine components. And some day that plastic may be recycled back into fuel.

Cars of old were mostly steel, but the use of lightweight alternatives has…[더 보기]

It turns out that most race cars use sequential gearboxes as well. A sequential gearbox gives the driver several important advantages that are very useful in a race car. We will discuss these advantages later in this article.

In this article, you will learn how a sequential manual transmission works and why this type of transmission is now…[더 보기]

Owning a pool comes with several responsibilities, and many pool owners have a lot of questions in the beginning. From everything to do with water balance and chemicals, to which maintenance products to use. However, there is one question that almost every customer asks.

Which Pool Cleaner is the Best?

The short answer – it depends o…[더 보기]

Nanofiltration (NF) is a de novo class of membrane filtrations with unique properties ranging from ultrafiltration to reverse osmosis. Thanks to their high removal performance, NF membranes have gained increasing attention from both academia and industry for various applications, especially in water and wastewater treatment and desalination.…[더 보기]

PACOM Unison is a market-leading platform with the ability to link with ASSA Abloy Traka intelligent key management system and lockers solutions to manage and control access to a company’s most important assets. When a conventional key is stolen, mislaid, or accidentally taken home, security is compromised and the organization is suddenly v…[더 보기]

Sport is an important part of many people’s lives—as both recreation and entertainment. It is also a sizeable industry with political and economic ramifications in today’s world. Within the last half-century or so, sports wear has become a driving force for new trends in fashion and for textile innovation. This special issue of Fashion Pract…[더 보기]

Xylitol is a non-sugar sweetener extracted from the birch tree. It is a five-carbon polyol that has effectively demonstrated itself to be cariogenic, by its action of neutralizing plaque acidity on teeth and repairing tooth enamel. Hence, it is also called the “magic bullet.”

The major production of xylitol goes to the pha…[더 보기]

If you’ve read our main article on batteries, you’ll know all about these portable power plants. An example of what scientists refer to as electrochemistry, they use the power of chemistry to release stored electricity very gradually.

What happens inside a typical battery—like the one in a flashlight? When you click the power switch, you’re g…[더 보기]

The most immediate impetus: concerns about the safe use of driver-assistance options like automatic lane-keeping that still require drivers to pay attention. And when truly autonomous vehicles finally arrive, the consensus among automakers and their suppliers is that new ways will be needed to check on drivers and passengers to make sure they are…[더 보기]