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Trade rumors, transactions, and free agent talk. Rumors must use the RUMOR prefix in thread title. Proposals must contain the PROPOSAL prefix in the thread title.
Confirmed with Link: The Canadiens have acquired forward Phillip Danault from the Los Angeles Kings in exchange for a 2026 second-round pick.
)和氢气,剧烈放热 算是4的补充,氟铪络离子( [HfF6]2-)稳定性很差,遇到碱会生成氢氧化铪(Hf (OH)4)沉淀 铪的化合物 四氯化铪,纯净的是白色粉末,假如不纯,混有单质铪,会呈现灰色到棕色的外观。 四氯化铪的化学性质:很容易水解,和四氯化钛非常像。
Replies 211 Views 17K Jun 7, 2025 Jets 31 The All Encompassing HF Jets Quicklinks Thread Daximus Feb 25, 2017 Replies 20 Views 24K Mar 10, 2025
Discuss hockey prospects from all over the world and the NHL Draft.
Xenforo Cloud is upgrading us to version 2.3.8 on Monday February 16th, 2026 at 12:00 AM PST. Expect a temporary downtime during this process. More info here
Xenforo Cloud is upgrading us to version 2.3.8 on Monday February 16th, 2026 at 12:00 AM PST. Expect a temporary downtime during this process. More info here
但是反过来说,HF或者LiF刻蚀也会残留很多东西。 实验证明,这些残留对MXene的影响很大。 电化学产量太低,收集起来也很困难,非常容易过度刻蚀生成TiO2或者Mo2C,Mo2+等东西。 CVD法是需要使用危险试剂(也不亚于HF的危险性了),而且产生杂质。
请问ROHS与HF本质区别是什么,HF是包含了ROHS吗?(比如说电子产品符合HF,是不是意味着符合ROHS要求呢)