The operation of the Texaco coal gasifier at Shanghai Coking and Chemical co., Ltd. is presented, the main failures occurred are analyzed and preventive measures are proposed.
介绍了上海焦化有限公司德士古煤气化装置的运行状况，对出现的主要故障进行了分析，提出了防范措施。
2
In recent years, many serious CO poisoning accidents have occurred during high-energy gas fracturing of low permeability reservoirs, which poses great threat on safety production of oilfields.
近年来，在一些低渗油藏高能气体压裂过程中出现了多次CO中毒事件，这对油田安全生产构成了严重的威胁。
3
These three kinds of paradigms have not occurred in a chronological way, and they have often co-existed at the same stage, or even within the same newspaper.