This paper deals with the existence of two positive solutions for critical elliptic equations with a changed sign perturbation and with an auxiliarycondition.
讨论了带变号扰动并且具有一定附加条件的临界椭圆方程的两个正解存在性。
2
The influence of dyes selection, auxiliary dosage and process condition to dyeing process are experimented and analyzed.
从染料的选择、助剂的用量及工艺条件对染色工艺的影响等方面进行试验和分析。
3
The stability of the laser output and the selection of auxiliary spark excitation condition in experimental process were discussed.