The technical routes of the product the synthetic method, the effects of process conditions on each reaction, the technical specification and the property identification are discussed in detail.

本文对该产品的技术路线、合成方法、工艺条件对各步反应的影响、技术指标以及性能鉴定，均予以详细讨论。

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Cornwall Fire and Rescue Service said a body had been recovered from the property at about 18:00, although formal identification had not yet taken place.

BBC: Cornwall house collapse: Body found

While no formal identification has yet been possible, police believe he could be the property's 56-year-old owner.

BBC: Antique dealer theory in East Yorkshire murder probe