Nickel oxide with superconductivity
Clinical features: Acute exposure Although nickel oxide is a lung irritant, acute exposure is unlikely to cause serious poisoning.
Clinical features: Acute exposure Although nickel oxide is a lung irritant, acute exposure is unlikely to cause serious poisoning.
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The foaming agent is an indispensable component in the preparation of foam concrete by using prefabricated foams. This study used four types of foaming agents to prepare foam concrete. Effect of the foaming agent on the properties of fresh and hardened foam concrete, the interaction between the foaming agent and cement, and the gas–liquid interface in foam concrete were studied. It is observed that the interaction between foaming agents and cement played a greater role in the formation process o
The reaction products obtained by heating a mixture of MoO3 and carbon in an SO2 stream at various temperatures were examined. The possible reactions during the above process were also studied. Further, thermodynamical consideration was made of the formation of MoS2. When a mixture of MoO3 and carbon was heated in an SO2 stream, MoO2 was formed above 400 °C. At 500–550 °C, the formation of a small amount of Mo4O11 was also observed. Above 700 °C, the formation of MoS2 in addition to MoO2 was obs