Identifying and relaxing energy bottleneck for a chemical system;

Some advice about breaking bottleneck in industrialization of oxidization technique for producing DSD acid in solvent;

Analysis on bottleneck in refining system of synthetic ammonia plant;

The "preying on" model of high-tech enterprise and analysis of bottle-neck problem of resources;

Solution to Bottle-neck of practice Teaching for Higher Vocational Education;

Walk out the bottle-neck:survey and return model in development of high-level college vollyball teams;