Amazon's shares fell on a bleak outlook and its slowest growth since the dot-com bubble burst Amazon shares fell 10% in extended trading on Thursday after the company issued a revenue forecast that fel
UN figures show that human destruction of the earth's land is accelerating, with up to 40% now classified as degraded, while half of the world's population is being affected. Growing devastation puts t
Description ofConcrete strength and shrinkage reducer1. After the carbonate cement is added to the c...
Lithium-ion battery refers to a secondary battery system in which two different lithium intercalation compounds that can reversibly intercalate and deintercalation lithium ions are used as the battery's positive electrode and negative electrode, resp
A wave of layoffs that has swept the entire Internet industry has intensified. China's Internet industry has experienced several crises and major changes in the past development process. There is also a "brief history of layoffs by major Internet
Energy is relatively high. It has high storage energy density, which has reached 460-600Wh/kg, which is about 6-7 times that of lead-acid batteries