The Reasons and Disposement of Distal Locking Difficulty Occured in the Treatment of Low Extremities Fracture with Interlocking Nail;

Clinical Trial to Solve the Difficulty of Inserting Stomach Vessel;

Clinical analysis and experience of tracheal intubation difficulty(25 cases);

Clinical observation of McCoy laryngoscope in difficult endotracheal intubation;

The macro analyze on the difficulties private enterprises face to absorb the funds;

In these years,the difficult of finance get more standing out in villages and towns,the paper analyses the reasons,expounds the existing status,and gives the advises to settle the difficult after tax and fee reform in rural areas.

The difficulties and countermeasures for clinical nurses;

Thoughts on Difficulties and Measures of Bilingual Teaching;

Analysis of the difficulties in English intonation learning and teaching methods;

The paper lists some problems existing in maths thinking teaching for teachers to conduct more effective teaching.

However, we faces many problems such as the increase in readers needs .

While affirming the miraculous educational achievements in the Sichuan Province,this article points out the "three great challenges"and the "six major problems"that the teachers colleges in the Sichuan Province are facing in education.

Problems and Prospects of Photovoltaic Development in China;

By analyzing problems of negative probability density and negative energy with which Klein-Gordon equation is faced in applying to the practice of micro-particles,the paper shows forming of Dirac equation can avoid the problem of the negative probability density brought about Klein-Gordon equation,and then reveals algebraic property and matrix formulation of operatorand  and ■ in Dirac equation.

At present students management in universities faces new problems.