A polyurethane adhesive with high light stability was prepared using hexamethylene diisocyanate and used for bonding PVC, PU and leather.
采用己二异氰酸酯为原料，制备光稳定性的聚氨酯胶粘剂，用于PV C . PU及牛皮革的粘接。
The night wind or stability in kite hung a string of arrows color small lanterns, like the shining stars, called "the absolute being light".
夜里在风筝下或风稳拉线上挂上一串串彩色的小灯笼，象闪烁的明星，被称为“神灯”。
In intensity-modulated type optic fiber sensors, luminous intensity of a light source and operating stability of photoelectric receiver are the key factors for determining measuring accuracy.
在强度调制型光纤传感器中，光源发光强度和光电接收器工作的稳定性，是决定测量精度的关键因素。
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