It is shown that the Thiokol has a stable performance and reliable quality.

应用表明，该胶性，质量可靠。

Its advantages include high purity of carotin crystal, low acidity of the oil solution of carotin and stable quality.

本发明获得的胡萝卜素晶体纯度高，胡萝卜素油溶品酸价低、质量。

The statistical theories of hypothesis tests and the quality control limit of multivariate have been used to study the discriminance for drink quality stability.

同时,运用假检验、多元质量控制界等统计理论研究了质量性的判别方法。