钙属于混晶型杂质，必须预先分离。
Calcium belongs to mixed-crystal impurity and must be removed in advance.
该文主要介绍在不对纤维组分进行预先分离的条件下，纤维化学特性的表征技术。
Direct characterization technologies for chemical analysis of fibers, without a previous separation of the components or component groups from each other, were reviewed.
同时由于脐血库液氮保存设备费用昂贵，需要预先分离脐血单个核细胞以减少样本冻存体积，以满足建库实际需求。
Cord blood separation and volume reduction is first needed to meet THD practical bank requirement for the high expense of liquid nitrogen preservation equipment.
我们分离的设计与剪辑聘有预先部署和焊接的法兰盘和底板，以确保金属接触整个分离器包。
Our separators are designed with retainer clips that are pre-positioned and welded to the flange and bottom plate to ensure metal to metal contact throughout the separator package.
我们分离的设计与剪辑聘有预先部署和焊接的法兰盘和底板，以确保金属接触整个分离器包。
Our separators are designed with retainer clips that are pre-positioned and welded to the flange and bottom plate to ensure metal to metal contact throughout the separator package.
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