我们可以看到，在早些年，功率模块的发展主要以芯片的发展为主，例如从IGBT3到IGBT7，至少在IGBT4之前我们没有看到市面上出现太多的封装技术的重大革新，主要还是由于它们能够满足当时的市场需求。当第三代半导体（其实早就开始研究了）以及新能源汽车等 ...

机体主要存在两种方式的摄食行为：满足营养需求、饥饿状态下的稳态摄食和追求快乐的享乐性摄食。稳态摄食保证生存，享乐性摄食则加速肥胖的发生，可能引起代谢性疾病。位于胆碱能系统的基底前脑区域布洛卡斜角带(DBB)参与调控摄食行为：DBB胆碱能神经 ...

DBB provides a rare opportunity for gaining exposure to futures contracts on three highly-liquid base metals: copper, aluminum, and zinc. Cu, Al, and Zn are expected to see a significant boom in ...

I have a hold rating on DBB due to mixed macro risks and a neutral technical chart outlook. A weaker dollar and lower interest rates could favor commodities, but global growth concerns and weak data ...

For investors seeking momentum, Invesco DB Base Metals Fund DBB is probably on the radar. The fund just hit a 52-week high and is up 22% from its 52-week low price of $16.77/share. But are more gains ...

The Fund seeks to track the DBIQ Optimum Yield Industrial Metals Index Excess Return which is intended to reflect the base metals sector.

DAH Solar has announced that its Full-Screen DBB (no-bus bar) PV Module has officially entered mass production, just six months after its initial design, the product combining high efficiency and ...

SAN DIEGO--(BUSINESS WIRE)--The Medical Division of Nikkiso America, Inc., announced today the U.S. launch of the DBB-06 Hemodialysis System equipped with Dialysis Dose Monitor (DDM), after receiving ...