It is a new high-tech which emerged in late 1980s. Its main purpose is to analyze the composition and structure of nanometer-sized matter and to produce new substances through direct manipulation and arrangement of atoms and molecular. The advent of ...…
US Nanotechnology research and Development PlanThe US investment in nanotechnology is equivalent to the investment of Japan and EU countries. About 1/4 to 33% of all papers are published in this field, which is equivalent to the investment. The US De...…
An important factor in concrete foam technology is temperature. First, this is the temperature of the outside air and the foam concrete mix when laying. When the temperature drops below +15° C, the time of setting of cement, the set of plastic, and f...…
For quartz crucibles used in Czochralski technology, a 3 nm thick inner layer of quartz crucible is fabricated by fusing and coating synthetic quartz powder instantaneously on the inner surface of a quartz crucible formed of natural quartz through th...…
The 3D printing industry has been growing rapidly over the past few years. As well as being widely used to protect ancient cultural relics in aerospace, manufacturing and other fields, the 3D-printing technology is continuously released in medical in...…
What is bismuth telluride?Bismuth telluride is a grey powder with the formula Bi2Te3. Bismuth telluride is a semiconductor material with good electrical conductivity but poor thermal conductivity. Although bismuth telluride is not dangerous, it can b...…
Glass powder has good transparency, high hardness, uniform particle size distribution, good dispersion, and the compatibility of resin and other components in the paint system is good. Glass powder, after many surface treatments, in the paint system ...…
There are many ways to make silicon powder from silicon blocks. Among them, the effect is better, and the application is more Ramon, roll, disc grinding, and impact spinning methods. The equipment used is the Raymond method, roll machine, disc mill (...…
Because of its good lubricity, calcium stearate is widely used in paper-coating lubricants and PVC thermal stabilizers. It can also be used as a smooth agent and water repellent in coating production. With the rapid development of plastics, coatings,...…
There is still a particular gap between the level of research and development technology and that of foreign countries: The Silicon Micropowder industry is a technology and resource-intensive sector, and enterprises in developed countries such as Jap...…
Calcium stearate lotion is a white viscous liquid with the molecular formula ca (c17h35coo) 2, a lubricant with excellent performance. It can be used in starch, casein, or milk-based coatings. Since calcium stearate is insoluble in water, an emulsifi...…
Gallium Nitride: Overview It is an inorganic compound with the chemical name GaN. A mixture of nitrogen and galium it can also be called a direct energy gap semiconductor. This compound has been widely used since 1990 in light-emitting transistors. ...…
Since the Trump administration cracked down on Huawei, initially banning the company from selling products in the United States and eventually from working with any American companies, the Chinese conglomerate has been effectively banned fr…
·Italian Prime Minister Conte signed a decree on the 22nd, deciding to strengthen further the new crown pneumonia epidemic prevention and control measures from the 23rd and to suspend all non-essential non-critical production activities and…
The water content of Opal is not fixed, generally about 3%-10%, but there are as high as 20%; Hardness is 5-5.5; Specific gravity is 1.9-2.5; Generally, egg white, if there are other atoms mixed, can form a variety of colours, such as iron, calcium, ...…
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