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Comparison of Bond Strength of Metal and Ceramic Brackets

Appropriate bond strength between bracket and tooth surface is one of the most important aspects of orthodontic treatments [1,2]. Bonding of MIM monoblock metal bracket to enamel started in the mid 1960s [3,4]. Only auto-polymerizing materials were available at the…[Leggi tutto]

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Efficiency of Air Purifiers

Infectious diseases caused by airborne bacteria and viruses are a major problem for both social and economic reasons. The significance of this phenomenon is particularly noticeable during the time of the coronavirus pandemic. One of the consequences is the increased interest in the air…[Leggi tutto]

http://www.nbltparts.com/
Useful Refrigerator Parts and Accessories

Go to the grocery store. Pay the bills. Make dinner. Pack lunch. As you busily go about your day and check things off your to-do list, you probably give little thought to your . But maybe you should. With advancements in technology, there are parts and refrigerator accessories…[Leggi tutto]

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How Perfume Bottle Designs Affect Your Perception

Imagine being asked to capture a landscape with so much color, texture, and detail that the picture springs to life on canvas, transporting even the most casual observer to that exact location and moment in time. The only catch (and it’s a big one) is that you can’t…[Leggi tutto]

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Engineering Essentials: Types of Hydraulic Hose

To say that hose is an important part of a hydraulic system is a huge understatement. The flexibility of hose enables components to be positioned in the most efficient or convenient places, because the hose has the ability to bend around corners, through tight spaces, or…[Leggi tutto]

http://www.bqdcompressor.com/
How Do Air Compressors Work?

Air compressors are an invaluable tool for both industrial work and DIY at home, and there are several different types to choose from depending on the job you need doing. Air compressors have a number of uses, such as to fill gas cylinders for industrial purposes and scuba diving, to…[Leggi tutto]

deep hole gun drill A gun drill mechanics model analysis

Gun drilling is a process used to produce small-diameter holes at a high depth-to-diameter ratio, beyond what is capable using conventional tooling, especially for difficult-to-machine superalloys such as titanium, Inconel, Monel, etc. Presently, it often incapacitates by low productivity,…[Leggi tutto]

oil extraction machine Preliminary Design on Screw Press Model of Palm Oil Extraction Machine

The concept of the screw press is to compress the fruit bunch between the main screw and travelling cones to extract the palm oil. Visual inspection, model development and simulation of screw press by using Solidworks 2016 and calculation of design…[Leggi tutto]

multi-function immunity generator How Does a Generator Create Electricity?

Kohler.jpgGenerators are useful appliances that supply electrical power during a power outage and prevent discontinuity of daily activities or disruption of business operations. Generators are available in different electrical and physical configurations for use in…[Leggi tutto]

insulating feltHow felt is made

Most fabrics are woven, meaning they are constructed on a loom and have interlocking warp (the thread or fiber that is strung lengthwise on the loom) and weft (the thread that cuts across the warp fiber and interlocks with it) fibers that create a flat piece of fabric. Felt is a dense, non-woven fabric and without…[Leggi tutto]

glass production lineHistory and Manufacturing of Glass

The word glass comes from the Teutonic term “Glaza”, which means amber. Although the origin of glass production line is still uncertain, the Mesopotamians from the 5th century BC discovered an ash by chance when they fire to melt clay vessel to use for glazing ceramics or when copper was sme…[Leggi tutto]

stainless steel pipeStainless steel in construction

Stainless steel has unique properties which can be taken advantage of in a wide variety of applications in the construction industry. This paper reviews how research activities over the last 20 years have impacted the use of stainless steel in construction. Significant technological advances in…[Leggi tutto]

APIs and IntermediatesImpacts of food contact chemicals on human health

Research on Chemical Intermediates publishes current research articles and concise dynamic reviews on the properties, structures and reactivities of intermediate species in all the various domains of chemistry.

The journal also contains articles in related disciplines such…[Leggi tutto]

daily craft decorationsChristmas crafts for adults to try this festive season

Christmas crafting is one of the best ways to spend Christmas 2021. Pick a project from our easy, step-by-step guides to start making fabulous Christmas arts and crafts, decorations and handmade Christmas gifts that your friends and family will love.

Christmas is…[Leggi tutto]

stock pot Choosing Pots and Pans to Improve Your Cooking

As a Fine Cooking editor, I’ve had the chance to observe lots of great cooks at work. From them, I’ve learned plenty—including the fact that good-quality pots and pans made of the right materials really can improve your cooking.

Rather than having a rack filled with stock pot and pans…[Leggi tutto]

American UL power cords,The Safe Use of Extension Cords in the Lab

Essential to modern life and a familiar part of our surroundings, yet often not treated with deserved respect. Run over, walked on, crimped in windows and doors, left out in sun and storm alike, strung together, bent, yanked, and strung across rooms and under carpets, strewn…[Leggi tutto]

electric car mouldIntelligent Injection Molding on Sensing, Optimization, and Control

The term quality has become a “catch all” term used in describing the various characteristics of an object. It is nearly impossible to define the term consistency. The quality is any particular or specific characteristics of a product development design obj…[Leggi tutto]