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- linear density gradient 线性密度梯度
- Yarn number is a measure of linear density. 纱线细度是纱线线密度的一种度量方法。
- Purification: Density Gradient Centrifugation (Sucrose &CsCl). 分离:密度梯度离心法(蔗糖&氯化铯).
- Methods LDL was separated by density gradient centrifugation. 方法密度梯度离心法分离人低密度脂蛋白;
- Used for cutting the fiber to set length for testing whose linear density. 用于将纤维切断成一定长度,供测定纤维线密度。
- Used for reeling set length's yarn to test whose linear density and length. 用于摇取一定长度的纱线,供测定纱线的线密度及长度。
- Record the length, tension, and linear density of the wire in the Data section. 在数据区记录下金属丝的长度、张力和线密度。
- In dot etching, the photographic construction of individual dots to provide a proper density gradient suitable for dot size reduction. 中义在网点修整中，个别的网点结构依网点大小提供适当的浓度变化。
- A significant number of Ad-p27kip1 and Ad-LacZ were acquired by CsCl density gradient separation and purification. 将Ad-p27kip1、Ad-LacZ转染293细胞进行扩增、CsCl密度梯度离心、纯化，以获得大量Ad-p27kip1和Ad-LacZ。
- The relationship between the density gradient and the strength of OSCP, and the structure of OSCP are also discussed. 另外,对断面密度分布与板子强度之间的关系、复合定向刨花板结构也作了研究。
- PET POY with different linear density and orientation can be produced with the same spinneret. 利用具有不同孔径的同一喷丝板生产不同线密度和取向度的涤纶POY。
- Conclusion:High purity of MSC can be obtained by density gradient centrifugation. 结论:密度梯度离心法分离获得的人胚胎骨髓间充质干细胞纯度高。
- Do the shapes of the resonance patterns (locations of nodes and antinodes) depend on the linear density of the wire? 共振模式的形状（波腹和波节的位置）是否依赖于金属丝的线密度？
- The linear density and unevenness of PET spun staple fiber were measured by vibration method. 介绍用振动仪测试涤纶原丝线密度及其不匀率。
- The effects of spinning process on linear density, tenacity and elongation of Nylon 66 technical yarn were described. 介绍了尼龙66纺丝工艺对工业丝物理性能如线密度、强力、定负荷伸长率的影响。
- The anomaly element combination is Au-Cu-Ag-Pb-Zn, anomaly element intussusception are good and the tertiary density gradient of elements shows well. 在水系沉积物测量异常查证中，发现了吉拉土壤地球化学异常。
- Discourse the relationship between yarn linear density and flat knitting machine gauge,suggest an experimental formula to choose yarn linear density. 论述横机毛衫编织时纱线线密度与机号的关系,提出纱线线密度选择的经验公式。
- Methods Peripheral blood monocytes were obtained from PVS patients and normal control group by density gradient centrifugation. 方法 应用密度梯度离心法将实验组即PVS病人及正常对照组的外周血单核细胞分离出来 ,然后应用酶联免疫法检测外周血单核细胞受IFN r或LPS刺激后 ,其所表达的HLA DR的变化水平。
- The relationship between bending elasticity, linear density and degree of hollowness was deduced, as was the difference in bending elasticity. 通过建立力学模型,比较一系列圆形中空涤纶弯曲弹性,导出不同圆形中空涤纶弯曲弹性、线密度、中空度的关系及其弯曲弹性的差异。
- The karyotes were separated by density gradient centrifugation, and the stroma cells of the bone marrow were gained adherent separation method. 选择雄性6周龄SD大鼠4只,抽取大鼠股骨骨髓,使用密度梯度离心分离有核细胞,贴壁分离法获取骨髓基质细胞,以2×104/cm2的密度接种进行细胞传代与分组实验。
