13-10-21
Flexible ureteroscopy update: indications, instrumentation and technical advances Flexible ureteroscopy update:…

Flexible ureteroscopy update: indications, instrumentation and technical advances Retrograde ureteroscopy has recently gained a broadened indication for use from diagnostic to a variety of complex minimally invasive therapies. This review aims to look…

Flexible ureteroscopy update: indications, instrumentation and…


Gratis
25-10-21
Freezing in Glass (No More Broken Jars!) Freezing in Glass (No More…

Freezing in Glass (No More Broken Jars!) Creating glass containers can be accomplished by one of two different processes – the Blow and Blow, or the Press and Blow process. Each process is chosen based on the kind of glass bottle being made. All glass…

Freezing in Glass (No More Broken Jars!) Creating glass containers…


Gratis
26-09-21
Full Spectrum LED Grow Lights: The Truth You Need to Know Full Spectrum LED Grow…

  Full Spectrum LED Grow Lights: The Truth You Need to Know     Many LED lighting suppliers will say that full-spectrum LED grow lights are the best option for growing plants because they mimic the natural light from the sun. The argument goes:    …

  Full Spectrum LED Grow Lights: The Truth You Need to Know     Many…


Gratis
24-09-21
How are hybrid inverters used in solar projects? How are hybrid inverters used…

How are hybrid inverters used in solar projects? This paper proposes a new configuration of a single-phase hybrid inverter with an integrated battery energy storage, which is suitable for residential households to maximize local consumption of solar…

How are hybrid inverters used in solar projects? This paper…


Gratis
28-09-21
How are stand up pouches made? How are stand up pouches…

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 patent…

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


Gratis
17-09-21
How Cement Mixers Work How Cement Mixers Work

  How Cement Mixers Work     In addition to the mixing energy applied to the fresh concrete (i.e. shearing during mixing), the shear history after mixing is also important. This applies especially to binder rich concretes like the different types of…

  How Cement Mixers Work     In addition to the mixing energy…


Gratis
11-10-21
HOW DOES A TFT MODULE WORK? HOW DOES A TFT MODULE WORK?

HOW DOES A TFT MODULE WORK? How does a TFT module operate? First, TFT stands for “Thin Film Transistor,” and it describes the control elements that actively control the pixels. Because of that, you hear a lot said about active matrix TFTs. How do the…

HOW DOES A TFT MODULE WORK? How does a TFT module operate? First,…


Gratis
24-09-21
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…

  How Electric Motors Work     Flick a switch and get instant…


Gratis
09-10-21
How Sequential Gearboxes Work How Sequential Gearboxes Work

How Sequential Gearboxes Work If -you have read the HowStuffWorks article How Manual Transmissions Work, then you understand the inner workings of a typical manual transmission, and you know why manual transmissions use the standard "H"…

How Sequential Gearboxes Work If -you have read the HowStuffWorks…


Gratis
30-09-21
How to Choose a Transformer: Dry Type vs. Oil Cooled How to Choose a Transformer:…

How to Choose a Transformer: Dry Type vs. Oil Cooled Transformers are common and useful devices which take high voltage electricity directly from a power station and convert it to a lower voltage. This allows the energy to be safely and efficiently…

How to Choose a Transformer: Dry Type vs. Oil Cooled Transformers…


Gratis
11-10-21
How to Maintain Your Dust Collector How to Maintain Your Dust…

How to Maintain Your Dust Collector The inception of the dust collector has allowed companies to effectively capture airborne particulate from an air stream. This has become more important for several reasons. First, containing particulate — toxic or…

How to Maintain Your Dust Collector The inception of the dust…


Gratis
30-09-21
Intelligent Mining Technology for an Underground Metal Mine Based on Unmanned Equipment Intelligent Mining Technology…

    Intelligent Mining Technology for an Underground Metal Mine Based on Unmanned Equipment     This article presents facts and figures on mining equipment safety and reviews various important aspects of mining equipment safety including quarry…

    Intelligent Mining Technology for an Underground Metal Mine Based…


Gratis
08-09-21
Introduction and working principle of solar street lamp Introduction and working…

    Introduction and working principle of solar street lamp     Luz Solar Para Calles are street lamps powered by crystalline silicon solar cell, with maintenance free valve controlled sealed battery (colloidal battery) to store electric energy,…

    Introduction and working principle of solar street lamp     Luz…


Gratis
09-10-21
Introduction to Buffers Introduction to Buffers

Introduction to Buffers A buffer is a solution that can resist pH change upon the addition of an acidic or basic components. It is able to neutralize small amounts of added acid or base, thus maintaining the pH of the solution relatively stable. This…

Introduction to Buffers A buffer is a solution that can resist pH…


Gratis
08-10-21
Is It Safe to Use Aluminum Foil in Cooking? Is It Safe to Use Aluminum…

Is It Safe to Use Aluminum Foil in Cooking? Aluminum strip and foil products are common household products that’s often used in cooking. Some claim that using aluminum foil in cooking can cause aluminum to seep into your food and put your health at…

Is It Safe to Use Aluminum Foil in Cooking? Aluminum strip and foil…


Gratis
09-10-21
Key Cabinet and Locker Management Key Cabinet and Locker…

Key Cabinet and Locker Management PACOM Unison is a market-leading platform with the ability to link with ASSA Abloy Traka intelligent key management system and lockers solutions to manage and control access to a company’s most important assets. When a…

Key Cabinet and Locker Management PACOM Unison is a market-leading…


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
24-09-21
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    …


Gratis
19-10-21
Painting your electric & gas meter box Painting your electric & gas…

Painting your electric & gas meter box Is your electric or gas meter box looking a little worse for wear? Or perhaps you would like the look of your meter box to better fit with your house exterior or cladding? Whether you have a gas meter box, an…

Painting your electric & gas meter box Is your electric or gas meter…


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