非常小的细胞也许能在清澈的溶液中生长，但是，不会产生足以使溶液变混的密度。
In a clear solution very tiny cells might grow but not create the density sufficient to make the solution cloudy.
乳腺癌密度增高能剧烈地增加发生乳腺癌的风险，如同发现经活检确认的不典型增生或异常细胞生长一样。
Having high breast-tissue density can drastically raise your risk of developing breast cancer, as does finding atypical hyperplasia, or abnormal cell growth, which is confirmed by a biopsy.
方法：采用配制不同条件海水加富培养液培养裸甲藻，计算藻细胞密度来考察裸甲藻的生长情况。
Methods: Gymnodinium was cultivated in rich sea water and the growing conditions were studied by cells density.
目的探讨小细胞肺癌(SCLC)的CT征象和血管内皮生长因子(VEGF)、微血管密度(MVD)的相关性。
Objective To discuss the correlation of ct appearances and the angiogenesis (VEGF, MVD) in small cell lung cancer (SCLC).
结论氦-氖激光对培养瘢痕成纤维细胞生长的抑制效应与能量密度、照射次数有关。
Conclusion Inhibitory effect of He Ne laser irradiation on growth of scar fibroblasts is tightly associated with energy density and irradiation times.
微重力环境下细胞的生长：细胞易于聚集，产生更高的细胞密度。
Cell growth in simulated microgravity environment: cells were prone to aggregate, and much higher cell density was generated.
目的探讨肾细胞癌(RCC)螺旋CT同层动态扫描表现与癌组织微血管密度(MVD)、癌细胞血管内皮生长因子(VEGF)蛋白表达之间的相关关系。
Objective to investigate the correlation of certain features of spiral ct (S-CT) with tumor microvascular density (MVD) and vascular endothelial growth factor (VEGF) in renal cell carcinoma (RCC).
在一定条件下，OUR与对数生长期的细胞密度呈良好的线性相关关系；
Under some conditions, a linear relationship between OUR and density of live cells at least in exponential growth period will be displayed.
DOTAP复合物的转染效率明显高于游离AS-ODN；细胞是否贴壁生长及贴壁生长的细胞密度也影响AS-ODN的转染效率。
AS-ODN/DOTAP complex could exhibited more higher transfection efficiency than free AS-ODN and the transfection efficiency was also influenced by many other factors such as cell density etc.
高海水浓度培养条件下的HW—1的细胞生长没有密度依赖性，而低海水浓度(10%或更低)培养条件下的细胞生长具有一定的密度依赖性。
HW-1 cells from high seawater-containing medium grew independently of cell-density, while those from low-seawater media (10% or less) showed density-dependent growth.
方法：1、应用MTT方法在细胞水平上进行中药粗提物的筛选，首先建立人肾脏 近 端 小 管上皮细胞株（HK-2）及卵巢癌细胞株（OC-3）的生长曲线，以确定接种密度及给药时机；
Methods: 1. In vitro, with MTT, the growth curve of HK-2 cells and OC-3 cells had been built in order to decide the density to inoculate and when to administration.
在血管形成之前，引入血管内皮生长因子表达的转移灶被高密度的间质细胞包裹，表明血管内皮生长因子参与结缔组织增生的过程。
VEGF-induced metastatic colonies were surrounded by densely packed stromal cells before detectable angiogenesis, suggesting that VEGF is involved in the initiation of desmoplasia.
方法使用密度梯度离心法分离不同年龄段脂肪间充质干细胞进行培养，保留贴壁细胞传代，分析脂肪间充质干细胞的纯度，观察细胞生长情况，检测其增殖活性、细胞周期。
The adherent cells were preserved to passage, the purity of ADSCs was analyzed by immunocytochemistry method, and cell growth was observed, then proliferation capability and cell cycle were detected.
方法使用密度梯度离心法分离不同年龄段脂肪间充质干细胞进行培养，保留贴壁细胞传代，分析脂肪间充质干细胞的纯度，观察细胞生长情况，检测其增殖活性、细胞周期。
The adherent cells were preserved to passage, the purity of ADSCs was analyzed by immunocytochemistry method, and cell growth was observed, then proliferation capability and cell cycle were detected.
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