Books


25-08-21
How Music and Instruments Began？
How Music and Instruments Began？ How Music and Instruments…

  How Music and Instruments Began？     Music must first be defined and distinguished from speech, and from animal and bird cries. We discuss the stages of hominid anatomy that permit music to be perceived and created, with the likelihood of both Homo…

  How Music and Instruments Began？     Music must first be defined…

Gratis
London
25-08-21
What is velvet fabric?
What is velvet fabric? What is velvet fabric?

    What is velvet fabric?     Velvet is a sleek, soft fabric that is commonly used in intimate garments, upholstery and other textile applications. Due to how expensive it was to produce velvet textiles in the past, this fabric is often associated with…

    What is velvet fabric?     Velvet is a sleek, soft fabric that is…

Gratis
London
25-08-21
Roll forming of a high strength aluminum tube
Roll forming of a high strength aluminum tube Roll forming of a high…

    Roll forming of a high strength aluminum tube     The presented paper provides a modelling strategy for roll forming of a high strength aluminum alloy tube. Roll forming allows the cost-effective production of large quantities of long profiles.…

    Roll forming of a high strength aluminum tube     The presented…

Gratis
London
24-08-21
Electric cables are normally installed on the assumption of a safe working life
Electric cables are normally installed on the assumption of a safe working life Electric cables are normally…

Electric cables are normally installed on the assumption of a safe working life     Electric cables are normally installed on the assumption of a safe working life of at least 20 years. Changes in the insulating material take place with the passing of…

Electric cables are normally installed on the assumption of a safe…

Gratis
London
24-08-21
The performance of a centrifugal fan with enlarged impeller
The performance of a centrifugal fan with enlarged impeller The performance of a…

  The performance of a centrifugal fan with enlarged impeller     The influence of enlarged impeller in unchanged volute on G4-73 type centrifugal fan performance is investigated in this paper. Comparisons are conducted between the fan with original…

  The performance of a centrifugal fan with enlarged impeller     The…

Gratis
London
24-08-21
3 Ways Suspended Platforms Increase Efficiency for Vertical-Vessel Maintenance
3 Ways Suspended Platforms Increase Efficiency for Vertical-Vessel Maintenance 3 Ways Suspended Platforms…

3 Ways Suspended Platforms Increase Efficiency for Vertical-Vessel Maintenance     It’s time to upgrade maintenance practices for vertical vessels. Like any routine maintenance, inspecting, removing and replacing refractory in vertical vessels places a…

3 Ways Suspended Platforms Increase Efficiency for Vertical-Vessel…

Gratis
London
24-08-21
Simulation of tin penetration in the float glass process
Simulation of tin penetration in the float glass process Simulation of tin penetration…

Simulation of tin penetration in the float glass process      The flat glass produced by the float glass process has a tin-rich surface due to the contact with molten tin. The penetration of tin into the glass surface is assumed to involve coupled…

Simulation of tin penetration in the float glass process     …

Gratis
London
24-08-21
A review on the durability of PVC sewer pipes
A review on the durability of PVC sewer pipes A review on the durability of…

A review on the durability of PVC sewer pipes     Polyvinyl chloride (PVC) has become one of the dominant construction materials for sewer systems over the past decades, as a result of its reputed merits. However, since PVC sewer pipes have operated for…

A review on the durability of PVC sewer pipes     Polyvinyl chloride…

Gratis
London
24-08-21
Metal Forging Tools and Equipment and Parts Supplies
Metal Forging Tools and Equipment and Parts Supplies Metal Forging Tools and…

Metal Forging Tools and Equipment and Parts Supplies     This article discusses the significant factors in the selection of forging equipment for a particular process. It describes the characteristics of forging hydraulic presses, mechanical presses,…

Metal Forging Tools and Equipment and Parts Supplies     This article…

Gratis
London
24-08-21
Best Wine Glasses of 2020
Best Wine Glasses of 2020 Best Wine Glasses of 2020

Best Wine Glasses of 2020     As if learning the vocabulary, geography, and producers in the wine world isn’t challenging enough, there are also different types of glassware—and figuring out the best wine glasses is no small feat. In the last couple of…

Best Wine Glasses of 2020     As if learning the vocabulary,…

Gratis
London