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1·The titer was assayed and CsC1 density gradient centrifugation and purification were applied.

测滴度并用氯化铯梯度离心纯化备用。

2·The intrahepatic lymphocytes from each group were isolated by using density gradient centrifugation.

密度梯度离心法分离肝内淋巴细胞；

3·The eosinophils in broncho-alveolar lavage fluid (BALF) were separated by density gradient centrifugation.

用密度梯度离心法分离并计数支气管肺泡灌洗液（BALF）中的嗜酸性粒细胞；

4·White Spot Syndrome Virus (WSSV) was purified by sucrose density gradient centrifugation, and then labeled by FLUOS.

采用蔗糖梯度离心方法提取对虾的白斑综合症病毒(WSSV)，用荧光素对病毒进行标记。

5·Coal maceral concentrates of high purity were prepared from four different rank coals by Density Gradient Centrifugation method.

经等密度梯度离心分离，从褐煤、长焰煤、气煤和贫煤四种不同变质程度煤中获得了高纯度的有机显微组分。

6·In this study, the gametocytes of Leucocytozoon caulleryi were isolated from blood of diseased chickens by density gradient centrifugation.

的分离液，并通过无菌采集患卡氏住白细胞虫病的病鸡血液获得了卡氏住白细胞虫的配子体。

7·CONCLUSION Density gradient centrifugation combined with adherence cells filtration is an effective way to obtain EPC derived from mice spleen.

结论通过密度梯度离心联合贴壁筛选可以获得脾脏epc。

8·The green leaves of vegetables through tissue homogenate, differential centrifugation separation, density gradient centrifugation purify sample of chloroplast.

对蔬菜绿叶通过组织匀浆，差速离心分离，密度梯度离心分离、纯化、提取叶绿体。

9·METHODS: Bone marrow was obtained from healthy New Zealand rabbits, by using density gradient centrifugation BMSCs were isolated and were then cultured in vitro.

方法：取健康新西兰幼兔骨髓，密度梯度离心法分离骨髓间充质干细胞并进行体外扩增培养、成骨诱导分化及鉴定。

10·The purity of Human embryonic MSC which isolated by density gradient centrifugation and cultured by MEM culture medium in vitro is high. The activity of MSC is good.

用密度梯度离心法分离后MEM培养基体外培养的人胚胎msc纯度高，生物活性好。