Books


03-09-21
Basics of acid dyes, disperse dyes, and reactive dyes.
Basics of acid dyes, disperse dyes, and reactive dyes. Basics of acid dyes, disperse…

  Acid dyes with improved light fastness have become important particularly in connection with the usage of acid dyes in information recording systems. The inferior light fastness may be due to several reasons. Auto oxidation reaction of dyes is generally…

  Acid dyes with improved light fastness have become important…

Gratis
London
09-09-21
Basic principles of thermal power plants
Basic principles of thermal power plants Basic principles of thermal…

It is a factory that converts the heat energy generated by the combustion of solid, liquid or gas fuels such as coal, oil and natural gas into kinetic energy to produce electric energy. According to the category of fuel, it can be divided into coal-fired…

It is a factory that converts the heat energy generated by the…

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

Gratis
London
31-08-21
Bandages sense infections, change color, treat infection
Bandages sense infections, change color, treat infection Bandages sense infections,…

In what reads like science fiction, a new study published in the journal ACS Central Science reports the development of bandages that detect the presence of bacteria in wounds and change color, depending on whether they are drug-sensitive or…

In what reads like science fiction, a new study published in the…

Gratis
London
19-03-21
Bamboo Toothbrush For Family Used
Bamboo Toothbrush For Family Used Bamboo Toothbrush For Family…

We are a company integrating industry, There is enough production space and comfortable office environment, We self-marketing, Saves the cost of the intermediate links more gave consumers a greater profit space. Our company is the world's first focus on…

We are a company integrating industry, There is enough production…

Gratis
London
03-09-21
Balloon Inflator Pumps: The Definitive Guide to Choosing and Using them.
Balloon Inflator Pumps: The Definitive Guide to Choosing and Using them. Balloon Inflator Pumps: The…

This article will present the definitive guide to choosing and using balloon inflators as you prepare to create your next masterpiece balloon decoration.     Inflating balloons can be a tiresome activity if you are inflating more than two balloons with…

This article will present the definitive guide to choosing and using…

Gratis
London
30-08-21
Ball Valve - How They Work
Ball Valve - How They Work Ball Valve - How They Work

  Ball Valve - How They Work     A ball valve is a shut off valve that controls the flow of a liquid or gas by means of a rotary ball having a bore. By rotating the ball a quarter turn (90 degrees) around its axis, the medium can flow through or is…

  Ball Valve - How They Work     A ball valve is a shut off valve…

Gratis
London
09-10-21
Automatic Pool Cleaner Pros and Cons
Automatic Pool Cleaner Pros and Cons Automatic Pool Cleaner Pros…

Automatic Pool Cleaner Pros and Cons Owning a pool comes with several responsibilities, and many pool owners have a lot of questions in the beginning. From everything to do with water balance and chemicals, to which maintenance products to use. However,…

Automatic Pool Cleaner Pros and Cons Owning a pool comes with…

Gratis
A Coruña
04-08-21
Automatic Cutting and Stripping Machines
Automatic Cutting and Stripping Machines Automatic Cutting and…

    Improved technology enables fast cutting, clean stripping and simple blade changeover for various size wires.     Without a sculptor, a piece of clay or marble can never reach its full artistic potential. Rotary, V and die blades in…

    Improved technology enables fast cutting, clean stripping and…

Gratis
London
09-09-22
Automatic 5 Axis CNC Bridge Cutting Machine For Granite Marble Quartz
Automatic 5 Axis CNC Bridge Cutting Machine For Granite Marble Quartz Automatic 5 Axis CNC Bridge…

The 5 axis cnc bridge cutting machine is good at cutting, milling, chamfering and edging quartz, marble, artificial stone and slabs in regular and irregular shapes. It can realize countertop cutting, bridge cutting, roman column cutting, arc line cutting,…

The 5 axis cnc bridge cutting machine is good at cutting, milling,…

Gratis
London