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baby boomer
The Baby Boom: One of the Most Significant Population Increases in History
The baby boom is a period in time known for a huge increase in population, due to a high birthrate. This period is usually deemed to have occurred between 1946 and 1964, although the exact years vary depending on the regio......
01/07/2023 
1041 
Sophia
twist angle
Where The Wind Blew
The snow had been falling quietly in the night, and when the light of the morning sun had broken through the white trees, the magical world of winter came into view. The world was blanketed in a crisp white snow, no sign of life except the small footprints left in the snow by ......
fixed length
The power of human potential is part of what makes our world a wonderful place to live. All people possess an ability to achieve amazing things both mentally and physically. This potential is sometimes stifled by lack of access, opportunity, or support. It is a tragedy that so many talented indivi......
Microstructure of two-phase metallic materials after deformation
Introduction
The microstructure of metal materials is important for the study of their mechanical properties, such as strength and hardness. The microstructure of metal materials is affected by various factors, such as alloying elements, heat treatment, and plastic deformation. In this experiment......
Metallographic diagram of 40Cr (850℃×20min+500℃×3s water cooling)
Metallographic Analysis of 40Cr Steel after Heat Treatment at 850℃ and 500℃
The purpose of this study was to gain an understanding of the effects of heat treatment on the microstructure of 40Cr steel at 850℃ and 500℃ after water quenching. The steel sample was prepared through grinding and po......
Slip Zone Observation
Observation on Belt Drives
Belt drives are one of the oldest machines used for power transmission and are used in a wide variety of machines. Belts are usually rubber or polyurethane construction which uses a toothed pulley to transfer power between parallel shafts. Their main advantage over othe......
1Cr18Ni9Ti (solution treatment) metallographic diagram
This paper presents an microscopic observation of the microstructure of 1Cr18Ni9Ti (solution treated). This alloy is a commonly used stainless steel alloy which consists of ferrite, austenite and carbides. In order to get optimum mechanical properties and corrosion resistant properties, this alloy......
wave bend
It was a sunny Sunday morning. I was walking along the beach and feeling the warm sand between my toes. The crashing waves inspired a sense of peace that seemed to stay with me throughout the day. I stopped at the edge of the sea and watched the rippling waves. They seemed to be following each oth......
to sieve
A Homecoming
It had been three long years since I last stepped foot in my hometown. The night air was dank and musty and I knew without hesitation that the town had not changed. I felt a sense of nostalgia, not only of the place I had grown up in, but also of the people, faces, and events of my p......
Raising
“Well, it looks like a dead end,” said Jack, as he surveyed the walls of their small and empty courtyard. “I guess that’s all there is.”
His companion, Pete, kneeled beside him and kicked at some of the stones around them. “We should keep going,” he said. “It feels like something’s here.......
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