Trace elements and its study progress in sports firld
微量元素及其在体育领域中的研究进展
Study on calculation and distribution characteristic of vertical permeability coefficient within conduction-convection temperature firld in fissured rock zone
裂隙岩体地区导热–对流型温度场垂向渗透系数的计算及分布特征研究
reform track and firld competition system ;
改革田径竞赛制度；
The increasing of dogmatism and bookishness as well as the overflow of various unhealthy tendencies in the research firld has damaged the academic reputation .
教条主义、本本主义的繁衍，研究领域各种不正之风的泛滥，极大地损害了学术的声誉。
In the drilling technology of 10 deep exploratory wells drilled over 5000m in northwest sichuan oil firld , this paper analyses geologic problems , casing programs , usage of drilling fluid , cementing design and operation etc. on super-deep well drilling , and proposes special approaches and strategy of improving super-deep well drilling technique level .
