26-09-21
How are stand up pouches made? How are stand up pouches made?

How are stand up pouches made?     A brief HISTORY     So what is a stand up pouch? Simply put, it’s bag/pouch that has the ability to stand on its own. The original stand up pouch design was actually patented in 1968. However, it wasn’t until the…

How are stand up pouches made?     A brief HISTORY     So what is a…


Gratis
26-09-21
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
26-09-21
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
26-09-21
Building efficiency begins with lighting design and controls in step with the space Building efficiency begins…

Building efficiency begins with lighting design and controls in step with the space     At the surface level, lighting is the application of light to spaces and simply serves as a prerequisite for visualization. However, because our impression of a…

Building efficiency begins with lighting design and controls in step…


Gratis
26-09-21
The Importance of Good Makeup Brushes The Importance of Good…

  The Importance of Good Makeup Brushes     All products and services featured are independently chosen by editors. However, WWD may receive a commission on orders placed through its retail links, and the retailer may receive certain auditable data for…

  The Importance of Good Makeup Brushes     All products and…


Gratis
26-09-21
28 Types of Fabrics and Their Uses 28 Types of Fabrics and Their…

  28 Types of Fabrics and Their Uses     Deciding which type of fabric to make an item with is an important decision, as fabrics can have countless qualities. From natural to synthetic fibers and from knit to woven, here’s a look at different fabric…

  28 Types of Fabrics and Their Uses     Deciding which type of…


Gratis
26-09-21
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…


Gratis
26-09-21
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 The…


Gratis
26-09-21
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.…


Gratis
26-09-21
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 apply…


Gratis