Wood is valued for its carbon sequestration whether it’s planted in the ground as a tree or as a sturdy beam that helps hold up the ceiling of a building. As such, forestry management is key to making sure wood is harvested for mass timber in a sustainable way. ...
atom was the first 汤姆是一个[translate] aIt’s really sad how we used to talk to each other every day, and now you act like we never knew each other. 真正地可悲怎么我们曾经每天互相谈话,并且您现在行动,如我们未曾彼此了解。[translate]...
UltiMaker’s solution enabled Elektrolas to meet the needs of one of its customers who wanted to integrate a manual welding torch in an automated system. “We called the supplier of this welding torch, but the automatic
The objective of this study was to evaluate the effect of pulsed electric fields (PEF) on the in vitro starch digestibility properties of oat flour. A wide range of PEF process intensity was investigated (electric field strength between 2.1 and 4.5 kV/cm and specific energy inputs between 52...
Natural asphalts formed when crude petroleum oils worked their way up through cracks and fissures to the earth's surface. The action of the sun and wind drove off the lighter oils and gases, leaving a black residue. Natural asphalts were extensively used until the early 1900s. The discovery...
The methods employed are less sophisticated than up to date methods but can be useful in some manufacturing scenarios. Some examples of mechanical cutting machines are lathes, milling machines and drill presses. In a lathe, a piece of metal being cut is spun and moved against a stationary ...