Low temperature bleaching of wool with hydrogen peroxide using katalase as catalyst under acid condition has been studied as well as the related factors influencing it.
研究了在酸性条件下，以酶为催化剂，羊毛双氧水低温漂白工艺及相关因素的影响。
By applying different pre-pressure, the speed, torque and temperature of the ultrasonic motor in low and high vacuum have been tested and compared with the normal condition.
施加不同的预压力在低、高真空环境下对超声电机的转速、转矩及温升进行测量并与常态下相比较。
Combined with Yangdu home garden, how to the technology measures for preventing crack appearance of large volume pumping concrete under winter low temperature condition is introduced.
介绍了洋都家园基础大体积泵送混凝土在冬季低温条件下，如何防止裂缝出现的技术措施。
Shockproof pressure meter filled with glycerin inside cannot be used in low temperature condition or area.
充填甘油的耐震表不能在低温条件下或地区使用。
A new ammonia synthesis catalyst with rare earths, which is suitable for condition of low temperature and low pressure, highly activated and poison proof, is introduced.
介绍一种新型稀土氨合成催化剂，它具有低温、低压、高活性、高抗毒性。
Applying the crystallizing process under low temperature and selecting the optimum technology condition, the paper successively abstracted unsaturated fatty acid with real recovery.
本文采用低温结晶法，选择最佳工艺条件，得到理想产率的不饱和脂肪酸。
Applying the crystallizing process under low temperature and selecting the optimum technology condition, the paper successively abstracted unsaturated fatty acid with real recovery.
本文采用低温结晶法，选择最佳工艺条件，得到理想产率的不饱和脂肪酸。
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