22-09-21
Basic electrical quantities: current, voltage, power Basic electrical quantities:…

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 happens when voltage and current act together. The concept of…

Voltage and current are the cornerstone concepts in electricity. We…


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22-09-21
Auto-disable syringes are not for needle programmes Auto-disable syringes are not…

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 strongly advocate their use in routine immunization programmes.…

WHO and its partners recommend the use of auto-disable syringes,…


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22-09-21
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    …


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22-09-21
Solvent Recovery Solvent Recovery

Solvent Recovery     Solvent recovery is a form of waste reduction. In–process solvent recovery still is widely used as an alternative to solvent replacement to reduce waste generation. It is attractive, like end–of–pipe pollution control, since it…

Solvent Recovery     Solvent recovery is a form of waste reduction.…


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22-09-21
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 to…


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22-09-21
Tubes and pipes in technical and everyday use Tubes and pipes in technical…

Tubes and pipes in technical and everyday use     In the beginning was the hollowed-out tree trunk, one of the first capillary tube to be crafted by human hand. With a vast array of models in the plant world to inspire him, Homo sapiens had a much easier…

Tubes and pipes in technical and everyday use     In the beginning…


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22-09-21
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…


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22-09-21
The best gaming chairs in 2021 The best gaming chairs in 2021

The best gaming chairs in 2021     The best gaming chair is the perfect finishing touch to a modern PC gaming setup. It really will bring your whole desktop together and make it look supremely suave. Yet these gaming thrones are good for more than style…

The best gaming chairs in 2021     The best gaming chair is the…


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22-09-21
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…


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22-09-21
Swelling kinetic study of poly(methyl vinyl ether-co-maleic acid) hydrogels as vehicle candidates for drug delivery Swelling kinetic study of…

Swelling kinetic study of poly(methyl vinyl ether-co-maleic acid) hydrogels as vehicle candidates for drug delivery     This review highlights recent progress in the synthesis and application of vinyl ethers (VEs) as monomers for modern homo- and…

Swelling kinetic study of poly(methyl vinyl ether-co-maleic acid)…


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