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A pharmaceutical composition and its preparation method and application
The present invention relates to the field of medicine, it discloses a pharmaceutical composition and its preparation method and application. The present invention is a pharmaceutical compositionExpand
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A small-sized three-frequency-one ceramic multi-frequency antenna
The present invention provides a small-sized three-frequency-one ceramic multi-frequency antenna, comprising a band ends are connected to a first antenna portion and the second frequency band antennaExpand
Method for preparing propionyl levocarnitine hydrochloride and application of medicaments thereof
The invention relates to a method for preparing propionyl levocarnitine hydrochloride and application of medicaments thereof. The method comprises the following steps of: (1) mixing and stirringExpand
Composite wall structure can be used for the construction of walls having a low thermal conductivity and a sufficiently high strength
本发明提供了一种可用于结构墙建造的具有良好隔热性能和足够高强度的复合墙板,其可用于制造节能建筑。 本发明的复合墙板包含一块具有足够高抗压强度和低热导率的泡沫混凝土芯及两个具有良好延性的轻质纤维增强水泥基复合物(FRCC)保护层,泡沫混凝土芯夹在两个FRCC保护层之间。 所述复合物墙板还包含一定量的钢筋。 所述FRCC保护层则具有低热导率、对水分/氯离子/气体的良好阻隔性、多缝开裂性等性能。Expand
A kind of High-efficient white-light organic electroluminescence device
The present invention relates to a kind of organic electroluminescence device, including substrate, anode layer, luminescence unit layer and cathode layer;Described luminescence unit layer includesExpand
One kind of a barrier layer having an organic electroluminescent device
The present invention relates to a barrier layer and the organic electroluminescent device includes a substrate, and an anode layer, a light emitting unit and cathode layers are sequentially formedExpand