A self-operated control valve, also known as a self operated pressure control valve or self operated temperature control valve, is an auto control valve that relies on the pressure and temperature of the medium flowing through the valve as an energy source to drive the self ...
Come From Utmost flow control technology Co., Ltd
一种新型抗孕激素,具有抗糖皮质激素作用,但不含孕激素、雌激素、雄激素和抗雌激素作用,对孕激素受体的亲和力比孕激素强5倍,用于预防早孕、诱导月经和终止妊娠,以及在胎儿死亡的情况下引产。 ...
Come From Hebei Zhoufeng Technology Co.,Ltd
Liquid nitrogen tanks are mainly used for long-term storage of biological samples. They have a wide range of applications. They not only play an important role in the biomedical field, but also play an irreplaceable role in industry, scientific research, and food preservation. ...