Books


26-09-21
A review on RO membrane technology: Developments and challenges
A review on RO membrane technology: Developments and challenges A review on RO membrane…

A review on RO membrane technology: Developments and challenges     Reverse osmosis (RO) based desalination is one of the most important and widely recognized technologies for production of fresh water from saline water. Since its conception and…

A review on RO membrane technology: Developments and challenges    …

Gratis
Alicante
26-09-21
Operator Essentials
Operator Essentials Operator Essentials

Operator Essentials     You’ve heard the term before; tactical backpack.  It’s hard to avoid, in fact.  It’s impossible to deny that “tactical” packs are a trend that isn’t going away any time soon in the carry world.  In fact, at this…

Operator Essentials     You’ve heard the term before; tactical…

Gratis
Albacete
26-09-21
How Electric Motors Work
How Electric Motors Work How Electric Motors Work

How Electric Motors Work Flick a switch and get instant power—how our ancestors would have loved electric motors! You can find them in everything from electric trains to remote-controlled cars—and you might be surprised how common they are. How many…

How Electric Motors Work Flick a switch and get instant power—how…

Gratis
London
26-09-21
Medical gloves in the era of coronavirus disease 2019 pandemic
Medical gloves in the era of coronavirus disease 2019 pandemic Medical gloves in the era of…

Medical gloves in the era of coronavirus disease 2019 pandemic The current coronavirus 2019 disease (COVID-19) pandemic has greatly changed our perspective of the risk for infection from contact, and the use of personal protective devices (PPDs)…

Medical gloves in the era of coronavirus disease 2019 pandemic The…

Gratis
London
26-09-21
USB Power Delivery is the fastest way to charge iPhone and Android devices
USB Power Delivery is the fastest way to charge iPhone and Android devices USB Power Delivery is the…

USB Power Delivery is the fastest way to charge iPhone and Android devices With the current generation of smartphones and their much faster processors and vivid, high-resolution displays, and always-on connectivity, demands on battery performance are…

USB Power Delivery is the fastest way to charge iPhone and Android…

Gratis
London
26-09-21
UChicago institute helps reassemble ancient, rare art from first to 6th centuries
UChicago institute helps reassemble ancient, rare art from first to 6th centuries UChicago institute helps…

UChicago institute helps reassemble ancient, rare art from first to 6th centuries BAMIYAN, Afghanistan — Here is a reminder to someone with the initials A.B., who on March 8 climbed inside the cliff out of which Bamiyan’s two giant Buddhas were carved…

UChicago institute helps reassemble ancient, rare art from first to…

Gratis
London
26-09-21
Why You Need to Swap Out Your Galvanized Pipes
Why You Need to Swap Out Your Galvanized Pipes Why You Need to Swap Out Your…

  What are galvanized pipes?     Galvanized pipes are steel pipes that have been dipped in a protective zinc coating to prevent corrosion and rust. Galvanized steel pipe was commonly installed in homes built before 1960. When it was invented, galvanized…

  What are galvanized pipes?     Galvanized pipes are steel pipes…

Gratis
London
24-09-21
Medical gloves in the era of coronavirus disease 2019 pandemic
Medical gloves in the era of coronavirus disease 2019 pandemic Medical gloves in the era of…

Medical gloves in the era of coronavirus disease 2019 pandemic     The current coronavirus 2019 disease (COVID-19) pandemic has greatly changed our perspective of the risk for infection from contact, and the use of personal protective devices (PPDs)…

Medical gloves in the era of coronavirus disease 2019 pandemic    …

Gratis
Albacete
24-09-21
Paper Machine
Paper Machine Paper Machine

    Paper Machine     On the paper machine, the size press is used to apply surface size to dried paper.182,183 Starch is the most frequently used binder in surface sizing. Besides raising surface strength, starch also imparts stiffness, lowers water…

    Paper Machine     On the paper machine, the size press is used…

Gratis
London
24-09-21
Useful information on External Gear Pumps
Useful information on External Gear Pumps Useful information on External…

Useful information on External Gear Pumps     A gear pump is a type of positive displacement (PD) pump. Gear pumps use the actions of rotating cogs or gears to transfer fluids.  The rotating gears develop a liquid seal with the pump casing and…

Useful information on External Gear Pumps     A gear pump is a type…

Gratis
Albacete