This dissertation is made up of two parts, in chapter I, for B≥1let N(B) denote the number of solutions of the equation n_1n_2=n_3n_4with 1≤n_i≤B, for a prime p, let x denote a multiplicative character(modp).
本文分两部分，第一章，对于B≥1，设N(B)为方程n_1n_2=n_3n_4的解数，其中1≤n_i≤B，p是一素数，x表示一乘法特征。
Effects of specnuezhenide on the proliferation ability of lymphocytes and cytotoxicity of natural killer cells in murine splenocytes in vitro;
特女贞甙体外对小鼠脾淋巴细胞转化和自然杀伤细胞活性的影响