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28-09-21
Basic electrical quantities: current, voltage, power
Basic electrical quantities: current, voltage, power Basic electrical quantities:…

    Basic electrical quantities: current, voltage, power     Voltage and current are the cornerstone concepts in electricity. We will create our first mental models for these basic electrical quantities. We will also talk about power, which is what…

    Basic electrical quantities: current, voltage, power     Voltage…

Gratis
London
28-09-21
Preparation of activated carbon from biomass and its’ applications in water and gas purification
Preparation of activated carbon from biomass and its’ applications in water and gas purification Preparation of activated…

    Preparation of activated carbon from biomass and its’ applications in water and gas purification     Due to its versatility and wide range of applications, activated carbon is widely used as contaminant removal media. Recent research have focused on…

    Preparation of activated carbon from biomass and its’ applications…

Gratis
A Coruña
28-09-21
Auto-disable syringes are not for needle programmes
Auto-disable syringes are not for needle programmes Auto-disable syringes are not…

    Auto-disable syringes are not for needle programmes     WHO and its partners recommend the use of auto-disable syringes, "bundled" with the supply of vaccines when donor dollars are used, in all mass immunization campaigns, and also…

    Auto-disable syringes are not for needle programmes     WHO and…

Gratis
A Coruña
27-09-21
What Is Microfiber Leather
What Is Microfiber Leather What Is Microfiber Leather

    What Is Microfiber Leather     Microfiber leather is an abbreviation of ultrafine fiber PU synthetic leather. It is a non-woven fabric made of three-dimensional structure network by carding acupuncture with microfiber staple fiber. After wet…

    What Is Microfiber Leather     Microfiber leather is an…

Gratis
Albacete
27-09-21
The air conditioning trap: how cold air is heating the world
The air conditioning trap: how cold air is heating the world The air conditioning trap: how…

The air conditioning trap: how cold air is heating the world On a sweltering Thursday evening in Manhattan last month, people across New York City were preparing for what meteorologists predicted would be the hottest weekend of the year. Over the past…

The air conditioning trap: how cold air is heating the world On a…

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A Coruña
27-09-21
Why is fiberglass mesh needed?
Why is fiberglass mesh needed? Why is fiberglass mesh needed?

Why is fiberglass mesh needed? Composite sheets of fiberglass mesh for marble reinforced polycarbonate were prepared by hot compress molding. The effects of lay-up structure, lay-up angle, area density of fiberglass mesh and the thickness of PC film on…

Why is fiberglass mesh needed? Composite sheets of fiberglass mesh…

Gratis
London
27-09-21
Cast Iron Pipe
Cast Iron Pipe Cast Iron Pipe

  Cast Iron Pipe     Cast iron pipes can fail in many modes which in general can be summarized into two categories: loss of strength due to the reduction of wall thickness of the pipes, and loss of toughness due to the stress concentration at the tips…

  Cast Iron Pipe     Cast iron pipes can fail in many modes which in…

Gratis
Albacete
27-09-21
What is a rod seal?
What is a rod seal? What is a rod seal?

What is a rod seal? There are so many different types of seals out there that it might be hard to understand all the different terminologies and functions. In this article, we give you our guide to what rod seals are, how they are manufactured and why…

What is a rod seal? There are so many different types of seals out…

Gratis
London
27-09-21
Contact lenses: a look at the risks and recommendations
Contact lenses: a look at the risks and recommendations Contact lenses: a look at the…

Contact lenses: a look at the risks and recommendations Thanks to the existence of contact lenses, it can sometimes be impossible to tell if someone has a visual impairment or not. These lenses can make huge differences to the lives of their wearers,…

Contact lenses: a look at the risks and recommendations Thanks to…

Gratis
A Coruña
27-09-21
What Is A Seed Tray?
What Is A Seed Tray? What Is A Seed Tray?

What Is A Seed Tray? Starting your own plants from seed will often give you healthier plants at a lower cost.  If you want to start seeds in bulk, you may want to consider a seed tray to help with germination. So, what is a seed tray?  A seed…

What Is A Seed Tray? Starting your own plants from seed will often…

Gratis
A Coruña
27-09-21
Rethinking the bottle
Rethinking the bottle Rethinking the bottle

Rethinking the bottle     When I was younger, wine came in a glass bottle, and—outside of a few value-priced boxed options—that was that. But now, quality wine comes in all sorts of packaging: boxes, cans, pouches, even slim wine bottles that can fit…

Rethinking the bottle     When I was younger, wine came in a glass…

Gratis
A Coruña
27-09-21
What is a Ramadan crescent moon tree?
What is a Ramadan crescent moon tree? What is a Ramadan crescent…

What is a Ramadan crescent moon tree? One particular decor element that has taken root – and is quickly gaining ground in the region this year – is the crescent tree. Chances are you’ve come across it yourself: the artificial tree comes in a number of…

What is a Ramadan crescent moon tree? One particular decor element…

Gratis
London
27-09-21
Why stainless steel corrodes
Why stainless steel corrodes Why stainless steel corrodes

  Why stainless steel corrodes     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…

  Why stainless steel corrodes     Stainless steel has unique…

Gratis
Albacete
27-09-21
Are stinky inflatable pool toys putting your kids at risk? 
Are stinky inflatable pool toys putting your kids at risk?  Are stinky inflatable pool…

Are stinky inflatable pool toys putting your kids at risk?  The researchers expressed concern that some of the products contain potentially hazardous chemicals that could pose a risk to children’s health, depending on the degree of exposure and…

Are stinky inflatable pool toys putting your kids at risk?  The…

Gratis
London
27-09-21
Wire Rope Slings
Wire Rope Slings Wire Rope Slings

Wire Rope Slings Wire rope is constructed of multiple strands of wire that are twisted and braided together to form a spiral design or helix. Once the separate wires are shaped into a solid form, they become a single wire with greater strength because…

Wire Rope Slings Wire rope is constructed of multiple strands of wire…

Gratis
London
27-09-21
What are the advantages of time recording machine in an office ?
What are the advantages of time recording machine in an office ? What are the advantages of…

  What are the advantages of time recording machine in an office ?     Showing up for work punctually, at an official time, became expected behavior toward the end of the 19th century, as more and more people worked for others rather than for…

  What are the advantages of time recording machine in an office ?  …

Gratis
A Coruña
27-09-21
Practical Uses of Botanicals in Skin Care
Practical Uses of Botanicals in Skin Care Practical Uses of Botanicals…

Practical Uses of Botanicals in Skin Care Cosmeceuticals are the fastest growing sector of the cosmetic industry, and the future of antiaging cosmeceuticals in particular is very promising. Botanical pesticide that support the health, texture, and…

Practical Uses of Botanicals in Skin Care Cosmeceuticals are the…

Gratis
A Coruña
27-09-21
Pipe Fittings
Pipe Fittings Pipe Fittings

Pipe Fittings This chapter presents various types of pipe fittings. Of all the fittings, the elbow is the one most often used. Simply put, the elbow, or ell, is used when a pipe changes direction. Elbows can turn up, down, left, right, or any angle in…

Pipe Fittings This chapter presents various types of pipe fittings.…

Gratis
London
27-09-21
All About Knitted Hats
All About Knitted Hats All About Knitted Hats

  All About Knitted Hats     Quarantine has sparked plenty of new at-home hobbies. Maybe you picked up a paintbrush and tapped into your inner artist. Or, you might have transformed your kitchen into a bakery. For some, perfecting their knitting and…

  All About Knitted Hats     Quarantine has sparked plenty of new…

Gratis
Albacete
27-09-21
Best smart bulbs for your connected home
Best smart bulbs for your connected home Best smart bulbs for your…

Best smart bulbs for your connected home Smart LED bulbs that can be controlled by a hub or smartphone app are no longer a new idea. What is new is how far this technology has come since its advent just a few years ago. Also new: Products like the…

Best smart bulbs for your connected home Smart LED bulbs that can be…

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A Coruña