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contemporary history of mechanical engineering
内容
Introduction
Mechanical engineering is the application of physics, mathematics, and engineering principles to the manufacture, design, and operation of machines, tools and mechanical systems. It is one of the oldest and most versatile disciplines in engineering. While its core principles have......
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Sarah
The definition and development history of crossbow
Definition and Development of Crossbow
Crossbow is a weapon for firing arrows or bolts at targets by means of lever, rope, and pulley systems. It was the earliest form of projectile weapons and has been used for thousands of years in both war and hunting.
The word crossbow itself stems from the G......
History of Modern Mechanical Engineering
Modern Mechanical Engineering History
The history of Mechanical Engineering is rich and complex, reaching back centuries before the Industrial Revolution and ultimately, the modern auto industry. From the ancient Greeks’ Archimedes Screw to the steam engines of the 18th century, the story of mec......
List of Effective Standards for Special Processing Machine Tool Industry
Overview of Industry Standards for Special-Purpose Machine Tools
For decades, the machine tool industry has been one of the major industries in the manufacturing sector and has been at the very heart of the modern manufacturing industry capable of producing products of the highest precision and q......
drilling rig
The Eiffel Tower is a remarkable iron lattice tower located on the Champ de Mars in Paris, France. It was named after its designer and engineer, Gustave Eiffel. Completed in 1889, it stands at a staggering height of 1,063 feet and is one of the most recognizable structures in the world.
At the ti......
chimes
My Life
Life is a beautiful journey, full of different experiences. For me it started in a small town in Nebraska. I was born to a middle-class family, with two siblings. Even though we had a comfortable lifestyle, growing up wasn’t easy. I remember clamoring through my childhood with a zeal to ......
ancient history of machinery
Ancient History of Machinery
The very first machines were created as replacements for human skills. For example, back in ancient Egypt, 4000 BC, farmers and merchants used shadufs, a manual machine created to lift water from a river and put it into a crop field. This allowed them to control the a......
Ground balance
Two of Chinas greatest empires, the Tang and the Song, were known for their unmatched sophistication and technical advances. Many of the advances were attributed to the systems of education that were put in place in both empires. The Tang Empire was the first to implement a large-scale system of e......
sintering
A Lesson in Acceptance
Living in acceptance is much easier said than done, but it is the key to living a life free of previously damaging thoughts, beliefs and expectations. To develop an understanding of acceptance, it is important to learn the various levels to which it can be incorporated into......
lost wax method
Introduction
Lost wax casting is a traditional casting technique used for making sculptures and complex components for industrial use. As the name implies, it involves the use of a wax model which is “lost” in the casting process. First, the model is made in a wax material and is carefully shap......
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