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orifice plate
Microplate
A microplate, also known as a microtiter plate or microplate, is a flat, plastic plate with a secure lid that contains a number of individual wells, or compartments, which can each contain a different sample. It is a common laboratory equipment used in the biomolecular sciences for sto......
1043 
Sophia
The difference between vibration bearings and ordinary bearings
The Differences Between Vibrating Bearings and Normal Bearings
Bearings are an essential part of almost any machine. They enable two surfaces to move in a predetermined and smooth fashion, reducing friction and wear. Vibrating bearings and normal bearings both serve the same basic function, but t......
"Kao Gong Ji"
Examination for Civil Service
The Examination for Civil Service (called as the Ke Gong Ji in Chinese) is a system of competitive attention and essential academic knowledge to government bureaucracy. Imperial officials in China are usually selected through a range of examinations and tests that ha......
White Heart Malleable Iron
Once upon a time, there lived a kind-hearted man named John, who had a strong heart and a generous nature. John was very fond of helping people and was willing to lend a hand to any person who asked for his help.
One day, John heard that a nearby village was in dire need of a blacksmith. He had n......
reconnect
，有关于test-optional college applications
The college admissions process can be a stressful time for high school students across the country. Many students become overwhelmed when they have to take standardized tests, compile their application materials, and wait to hear back from universities. Th......
my country's first complete set of independent steelmaking automation technology passed the review
Chinas First Autonomous Refined Steel Automation System Passes Review
China recently achieved a milestone in industrial automation as its first autonomous refined steel automation system passed its review. The system was developed by some of the countrys leading technology scientists, and has the......
Bai Jin
Climate Change
Climate change is an existential threat to the world and we must act to curb it. Whether it is altering temperatures, affecting ecosystems and biodiversity or changing patterns of weather, the impacts of climate change are multifaceted and may be irreversible. To ensure that our p......
semiconductor superlattice
Introduction
A semiconductor superlattice is a periodic crystalline structure built up of two or more alternating semiconductor materials. A semiconductor is a material which has some of the properties of both a conductor and an insulator. When the two materials are combined the resulting structu......
Gold extraction and purification
Bio-review: A New Generation of Purification Technology by Phyto-pharmaceuticals
Phytopharmaceuticals is a new generation of biotechnological purification technologies which seeks to utilize extracts from plants for medicinal purposes. This technology has recently gathered significant attention i......
Metal object detection in ore
Detecting Metal Objects in Ore
The use of metal detectors for achieving the detection of metal objects in ore deposits is widely recognized to be one of the most crucial components for the efficient recovery of minerals such as gold, silver, copper and other valuable metals from orebearing deposi......
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