lead styphnate meaning in English

史蒂芬酸铅，收敛酸盐或脂
性能越趋稳定

When the propellant was lead styphnate and nickel hydrazine nitrate , their properties of ignition and thrust were investigated under different chamber diameter and different proportion of the mixed propellant . the influence of different thruster parameters on thruster properties was calculated
研究了史蒂酚酸铅和硝酸肼镍在不同药室直径和药剂配比下的点火和推进性能，并且计算了推力器参数对推力性能的影响。