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factor induced
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  因素诱导
     ⑤multiplex factor induced animal model of Liver fibrosis.
     5复合因素诱导肝纤维化模型。
短句来源
     The recent study have shown that the differentiation mechanism is the result of key gene expression through a definite signal transmitting passway and inhibition or activation of transcription factor induced by microenviroment factor. This review summarized the development of bone marrow mesenchymal stem cells about its biological character,multi-directional differentiation and differentiation mechanism.
     而关于其分化机制,目前认为是微环境因素诱导,通过一定的信号转导通路传递,转录因子抑制或激活,启动关键基因表达的结果,本文综述了骨髓间质干细胞的生物学特征、多向分化及分化机制的研究进展。
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  “factor induced”译为未确定词的双语例句
     Effects of heparin on growth factor induced mitogenic and proliferative responses of rat pulmonary artery smooth muscle cells
     Effects of heparin on growth factor-induced mitogenic and proliferative responses of rat pulmonary a
短句来源
     Phospholipase C γ1(PLC γ1) and phosphatidylinositol 3 kinase(PI 3K) play crucial role in growth factor induced cell growth and proliferation.
     磷脂酶C γ1(phospholipaseC γ1,PLC γ1)与磷脂酰肌醇 3 激酶 (phosphatidylinositol 3kinase,PI 3K)是生长因子调控细胞生长与增殖的两个重要信号中介。
短句来源
     Influence of free radical scavengers on specific transfer factor induced inhibition of RNA synthesis in S_(180) tumour cells
     自由基清除剂对特异性转移因子抑制小鼠S_(180)细胞RNA合成作用的影响
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     Enhancement of Ganglioside GD1a on Epidermal Growth Factor Induced Signal Transduction
     神经节苷脂GD1a对表皮生长因子诱导的信号转导的增强作用
短句来源
     Effects of qurecetin on platelet derived growth factor induced NIH 3T3 cell proliferations
     槲皮素对PDGF诱导的NIH 3T3细胞增殖的影响
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  factor induced
In contrast, nerve growth factor induced a significant increase in the number of primary dendrites and branch points (100%) of neurons from young adults.
      
Nerve growth factor induced changes in the Golgi apparatus of PC-12 rat pheochromocytoma cells as studied by ligand endocytosis,
      
ATP (0.5 mM) activates particulate guanylyl cyclase in the ureter, bladder and urethra of old adult guinea pigs, and enhances atrial natriuretic factor induced activation of particulate guanylyl cyclase in all tissues and at all ages tested.
      
Conformational changes of recombinant human granulocyte-colony stimulating factor induced bypH and guanidine hydrochloride
      
Injection of tumor necrosis factor induced upregulation of E-selectin, intercellular cell adhesion molecule-1, and vascular cell adhesion molecule-1 in the submucosal microvessels, with slightly different kinetics than in the skin.
      
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It has been shown that cell-free liver-extract from embryonic, newborn and adult mice livers contains a factor which can suppress in vitro the proliferative response of splenic and lymph node lymphocytes to mitogens (phytohemagglutinin, PHA; concanavalin A, Con A; lipopolysaccharide, LPS) and allogeneio antigens. The immunosuppressive activity of this factor was nonstrain-specific since the sup-pressive action on the response of lymphocytes from the donor mice and other strains as well was effective. Eesults...

It has been shown that cell-free liver-extract from embryonic, newborn and adult mice livers contains a factor which can suppress in vitro the proliferative response of splenic and lymph node lymphocytes to mitogens (phytohemagglutinin, PHA; concanavalin A, Con A; lipopolysaccharide, LPS) and allogeneio antigens. The immunosuppressive activity of this factor was nonstrain-specific since the sup-pressive action on the response of lymphocytes from the donor mice and other strains as well was effective. Eesults showed that the factor induced suppression of the proliferative response of both T-cell and B-cell to mitogens and allogeneio antigens. This immunosuppressive action was found to be reversible; as the liver extract was eluted from the medium, the response of lymphocytes returned to normal. The sup-pressive effect was not seen in experiment with kidney-extract, but a slight effect was shown with spleen-extract.

小鼠胚胎、新生和成年小鼠肝脏,都含有一种在体外能抑制小鼠淋巴细胞增生的因子。此因子无品系特异性,能抑制H-2单型相同或不同的淋巴结或脾细胞对植物血凝素(PHA)、刀豆素A(ConA)、大肠杆菌脂多糖(LPS)和混合淋巴细胞培养诱发的淋巴细胞增生。这表明肝脏抑制因子既能抑制T细胞又能抑制B细胞对促有丝分裂原和同种异型抗原刺激所致的应答反应。此因子的抑制作用强烈,在使用浓度时,这种抑制作用是可逆的,一旦洗去肝浸液,淋巴细胞就恢复正常的应答功能。 在肾脏未观察到抑制淋巴细胞增生因子,而脾脏含有比肝脏较弱的抑制因子。

In this paper, the behaviour of forming process and the electrical and optical properties in direct current electroluminescent (DCEL) ZnS:Mn, Cu powder panels are presented. By using static and dynamic methods to measure the current-voltage (i~V) characteristic curves of newly-formed panels, it was found that,the curves exhibit a rectifying behaviour and a phase modulation effect (asymmetry in phaseshift) ,and the luminescent region is localized in adjacent to the anode.In order to further examine whether a...

In this paper, the behaviour of forming process and the electrical and optical properties in direct current electroluminescent (DCEL) ZnS:Mn, Cu powder panels are presented. By using static and dynamic methods to measure the current-voltage (i~V) characteristic curves of newly-formed panels, it was found that,the curves exhibit a rectifying behaviour and a phase modulation effect (asymmetry in phaseshift) ,and the luminescent region is localized in adjacent to the anode.In order to further examine whether a barrier is existed in the formed panel, the anode and cathode surface is illuminated by light respectively. Thereis a photovoltaic effect when the anode is illuminated,but not when the cathode is.By inference from this effect,it seems probable that a CuxS-ZnS barrier would be created near the anode of the formed panel.Increasing the forming voltage or prolonging the forming time, the capacitance of the panel decreases and the luminescent region migrates gradually out from the anode into the phosphor layer.At last, the light transmitted from the cathode surface becomes much more intense than that from the anode surface. This fact of migration of luminescent region would be one of the significant factors which cause the panels to age.To analyse the electrical conduction and excitation mechanisms of the panels a p-v-n junction model is proposed. By using the equivalent circuit and simplifying the calculations, the model is able to explain the results obtained by Alder et al., i.e.,the asymmetry in the i~V characteristics increases with increasing forming voltage;the reciprocal capacitances are linear with the forming voltages for both forward and backward voltage; the lines with different slopes do not pass through the origin of the 1/c~V diagram.Also investigated was the forming process under sinusoidal,20-20kHz source.For gap type devices, several adjacent luminescent regions exist simultaneously even in a gap, and the luminescent regions are nonuniform in shape.Although there are in practice so many factors that may contribute to the forming and aging processes and thus there is at present no common agreement on the processes, we rather consider that the overheating of the phosphor layer is a most important factor inducing the forming and aging processes.

对ZnS:Mn,Cu粉末DCEL屏的形成过程及光电特性作了研究。观测到经形成的EL屏具有整流特性及相位开关效应,发光局限于阳极附近,EL屏具有光生伏特效应。随着形成电压的提高与形成时间的延续,EL屏的电容量由大变小,局部发光区(结区)也从阳极附近向体内迁移。上述实验结果表明:经形成EL屏的阳极附近存在势垒-Cu_xS-ZnS:Mn,Cu异质结。文中采用p-v-n结模型分析发光屏的导电机构及激发机制,指出发光区的迁移是EL屏退化的重要因素之一。 采用正弦电压(频率20Hz—20kHz)激励,观测EL屏的形成过程。初步认为,EL屏的形成与老化过程主要由热引起。因此,制备具有高度热稳定性的包铜ZnS粉末屏是十分重要的。

The results have shown that the effect of the cotents of phosphorus and potassium on witche's-broom of paulownia is significant. Furthermore, the higher the cotents of phosphrus is, the slighter the disease is, while the lower the contents of phosphrus is, the more serious the disease is. The contents of potassium and the disease occurrence are plus correlation, whereas the ratio of phosphrus and potassium and the disease occurrence are minus correlation for various species of paulownia in the different areas.All...

The results have shown that the effect of the cotents of phosphorus and potassium on witche's-broom of paulownia is significant. Furthermore, the higher the cotents of phosphrus is, the slighter the disease is, while the lower the contents of phosphrus is, the more serious the disease is. The contents of potassium and the disease occurrence are plus correlation, whereas the ratio of phosphrus and potassium and the disease occurrence are minus correlation for various species of paulownia in the different areas.All in all, the lack of phosphorus and excess of potassium in soil are the main factors inducing witche's-broom of paulownia, thus maybe a new way for preventing and controlling the disease would be provided.

1982年4月至7月,我们在陕西、河南、甘肃、四川等省的18个县市对泡桐丛枝病发生情况与环境因子的关系进行了调查,对调查的土壤资料应用通径分析的方法进行了研究。结果发现土壤中磷钾含量与泡桐丛枝病感病指数有密切的关系,磷含量愈高,发病愈轻,含量愈低发病愈重,钾的影响与其相反,而且磷钾含量之比值(P/K)与感病指数成反相关。这就为泡桐丛枝病的防治提供了新的途径。

 
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