22-09-21
Beauty & Style Beauty & Style

Earrings, ornaments decorating the ears, have been one of the principal forms of jewelry throughout recorded history. The term usually refers to ornaments worn attached to the earlobes, though in the late twentieth century it expanded somewhat to include…

Earrings, ornaments decorating the ears, have been one of the…


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22-09-21
Can Liquid Nails Bond Wood To Metal? Can Liquid Nails Bond Wood To…

It’s a common household problem. However, you have another problem. You have a wooden bathroom door and a metal knob. What’s the quickest way to reattach the two surfaces? Can you trust your tube of liquid nails to do the job? Liquid Nails can bond wood…

It’s a common household problem. However, you have another problem.…


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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
Preparation of activated carbon from biomass and its’ applications in water and gas purification Preparation of activated…

Due to its versatility and wide range of applications, activated carbon is widely used as contaminant removal media. Recent research have focused on enhancing the effectiveness of activated carbon by modifying their specific properties in order to enable…

Due to its versatility and wide range of applications, activated…


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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
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…


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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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