Druker s Opinion on the Social Meaning of Organizations;

Study on Accumulation Rule of Thin Oil in Lukeqin Area

Lukeqin structural belt is a heavy oil abundance zone of billion ton magnitude, where stratigraphic classification of the oil-bearing formation has been controversial since its discovery.

Regarding the engineering case of deep ditch excavation operated in Zhe-Gan Railroad Hengfeng Station,the paper discussed some of the technologies and measures responsible for the engineering safety,such as the employment of millisecond delay loose blasting,the construction of two levels of steel tube shelving,the preparation of Brugg net and the adoption of the power reduction cage.