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Great Challenges in Organic Chemistry

The current scope of organic chemicals typically covers the theory and practice of (i) new synthetic methods and methodologies, (ii) isolation and synthesis of natural products, (iii) organic reaction mechanisms based on physical and theoretical chemistry approaches, (iv) bioorganic and medicinal chemistry,…[Leggi tutto]

Oil from pumpkin seeds

Pumpkin (Cucurbita pepo L.) is an annual climber and is in flower from July to September, and the seeds ripen from August to October [1]. Pumpkin seeds oil is an extraordinarily rich source of diverse bioactive compounds having functional properties used as edible oil or as a potential nutraceutical. In recent years,…[Leggi tutto]

Failure analysis of a commercially pure titanium tube in an air conditioner condenser

Joining of titanium and stainless steel is challenging due to the formation of hard, brittle intermetallics. This study focuses on engineering ductile materials for joining transition metals. Friction welding of tube to tube-plate by an external tool, a novel…[Leggi tutto]

How Tower Cranes Work

Tower cranes are extensively used for lifting materials in construction sites. Most construction sites are very confined and close to public. Tower crane accidents not only hazard workers in construction sites, but also pedestrians. This paper investigates tower crane safety in related to the understanding and degree of…[Leggi tutto]

A Simple Guide to Outdoor Shade Sails

When the hot Australian summer months approach, spending time outdoors can be unpleasant without the proper shade and coverage.

With an outdoor shade sail, you’ll enjoy a beautiful aesthetic and plenty of shade to keep yourself and your guests comfortable and cool.

If you’re considering a shade sail at…[Leggi tutto]

Hooded Baby Towels – Softest Baby Bath Towels With Caps For Newborns Launched

The company’s latest launch is part of its comprehensive range of ethically sourced and expertly crafted bedding and accessories for infants. Malabar Baby is committed to environmentally-friendly production practices, working closely with factories that have a ves…[Leggi tutto]

Understanding the Differences Between Base Oil Formulations

All lubricants contain a base oil. It serves as the foundation of the lubricant before it is blended with additives or a thickener in the case of a grease. But how do you know which base oil is best? Trying to choose between mineral oils and synthetics can be confusing. This article…[Leggi tutto]

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 time. Bonding of…[Leggi tutto]

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 purifier (AP) market, which…[Leggi tutto]

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 for your fridge that can…[Leggi tutto]

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 see the place you’re supposed…[Leggi tutto]

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 across long…[Leggi tutto]

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 create the power needed to run…[Leggi tutto]

Introduction to Partition Walls:

Partition Walls also called Stud Walls are unloaded walls intended to separate apart within a building, to form an interior room/cabinet, or to separate the laundry area from the rest of the building. Since partitioning walls can be loaded with a roof, therefore, they are built solely for the purpose of…[Leggi tutto]

An account of an acoustic newbie’s journey from bare walls to a well‑balanced, sonically pleasant space.

The physics of the propagation of sound is immensely complicated, and when the assortment of materials that make up the walls, floors and ceiling (plus any windows, doors and furniture) are added to the equation, it’s very difficult to p…[Leggi tutto]

When you’re looking to print and produce high-quality images, there’s a never-ending number of options. Which printer to use, what type of ink cartridge to purchase and what material to print upon? A further decision you’ll need to contemplate is whether you want your printing to be eco-solvent.

The benefits of eco-solvent print…[Leggi tutto]

Oxygen Generators separate oxygen from air so that the gas can be fed into industrial processes in real-time or stored in pressure tanks. Oxygen generators are used in dozens of industrial applications ranging from gold mining to aquaculture to life support.
Normal ambient air is made up of 78% nitrogen, 21% oxygen and other trace gases like argon…[Leggi tutto]