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1. 发明授权

US4688426A Hydrometer for determination of immunoglobulin content of mare colostrum 失效
标题翻译：用于测定母马初乳免疫球蛋白含量的比重计
公开(公告)号：US4688426A
公开(公告)日：1987-08-25
申请号：US800046
申请日：1985-11-20
申请人： Michelle M. LeBlanc , James F. Parker , Charles F. Rabbit , Donald J. Wallace
发明人： Michelle M. LeBlanc , James F. Parker , Charles F. Rabbit , Donald J. Wallace
IPC分类号： G01N9/12
CPC分类号： G01N9/12
摘要： A hydrometer for determination of immunoglobulin content of mare colostrum comprises a container having a top wall, side walls and an open bottom. An elongate, emergent stem is carried by and projects from the top wall, and the stem is provided with a scale along its length to indicate the specimen specific gravity when the device is immersed in water. A partition wall for the container is positioned between the top wall and the open bottom dividing the container into an upper air chamber and a lower specimen chamber. A removable closure member is used for the open bottom of the container. The closure member is sized to adjust the specimen chamber to a predetermined volume when fully inserted in the open bottom of the container. A bleed vent contained in the side wall of the closure member, allows excess specimen and air bubbles to escape.
摘要翻译：用于测定母马初乳中免疫球蛋白含量的比重计包括具有顶壁，侧壁和开口底部的容器。细长的紧急杆从顶壁承载和突出，并且杆沿其长度设置有刻度，以指示当装置浸入水中时的试样比重。用于容器的分隔壁位于顶壁和开口底部之间，将容器分成上部空气室和下部样品室。可拆卸的封闭构件用于容器的开口底部。封闭构件的尺寸被设计成当完全插入容器的开口底部时将样品室调节到预定的体积。包含在封闭构件的侧壁中的排气孔允许多余的标本和气泡逸出。

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