BACKGROUND& AIM: To observe the expression of yeast cytosine deaminase ( YCD) gene labeled by RFP in HeLa cells and how it mediates cytotoxicity.

Objective: To explore therapeutic effect of a novel yeast cytosine deaminase ( YCD) suicide gene in vivo on P388/ DBA murine leukemia model.

目的：以P388/DBA小鼠白血病模型，探讨新型自杀基因YCD的体内治疗作用。

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Conclusions 5-FC/ yCD:: UPRT combined gene therapy has a significant killing efficacy on malignant glioma C6 cells.

结论5-FC/yCD：：UPRT联合基因治疗策略对胶质瘤细胞C6有明显的杀伤作用。

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The crystals of the pigment can be showed as XAl 2O 3 · YCr 2O 3 、( Al xCr y) PO 4 and LaPO 4.The chromatic mechanism were discussed.

结果表明，颜料所含晶相可表示为XAl2O3·YCr2O3、（AlxCry）PO4及LaPO4。

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This paper has analysed the magnetic field distribution in YCT under noload and the influence of different armature reactions, and especially, the main flux variance with armature reaction. We provide the foundation to unify the design for engineering.

本文分析了YCT电机空载和在不同电枢反应影响下磁场分布情况，尤其是分析了主磁通分布和受电枢反应影响的变化情况，为在工程上统一设计方法奠定了基础。

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This time, as a leader of YCT member, I have to attend a variety of activities that involve with saving nature in Bangkok and upcountry.

这一次，作为YCT成员的带头人，我要参加许多活动，这些活动就是为了保护曼谷和内陆的自然环境。

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It mainly includes YCZ flood data collection terminal, YJS automatic remote control repeater, supersonic water line measure instruments, precipitation rain fall sensor.

主要包括YCZ型水文数据采集终端机、YJS型自报式遥测中继机、超声水位计、雨量传感器等。

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( 3) The results of orthogonal test indicated that the best preparation process of YDT is: carboxymethyl starch sodium 10%, microcrystalline cellulose 25%, crosslinked carboxymethyl cellulose sodium 10%, the ratio between polyvinyl pyrrolidone and main medicine is 6:1.

正交试验结果表明愈风宁心分散片的最佳制备工艺为：羧甲基淀粉钠10%、微晶纤维素25%、交联羧甲基纤维素钠10%、聚乙烯吡咯烷酮水溶液与主药的比例6：1。

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Energy-saving analysis and calculation are carried out on two-speed fan using YD series and YDT series motor separately. It is proved to be more scientific, more reasonable using YDT series motor and energy-saving effect can be got.

通过对双速通风机分别使用YD系列和YDT系列化电机的节能分析和计算，指出双速通风机使用YDT系列电机更科学、更合理，并达到了节能效果。

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On the BOD_5/ COD_ ( Cr) ratio's effect on the performance of artificial YDT and PMT media packaged contact oxidation tank for raw water pretreatment

人工YDT及PWT填料接触氧化池生物预处理效果与原水BOD5/COD（Cr）的关系

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At the water intake, the YDT elastic space Packing is used in Purify the eutrophic Qingdian Lake water of Shaoxing city.

本研究针对绍兴市青甸湖微污染水源水，使用YDT弹性立体填料，在水厂取水口附近，进行生物预处理试验。

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Application of YDT Stereo Elastic Media to Landscape Water Treatment

YDT弹性立体填料在景观水治理中的直接应用

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The Deduction and Calculation of the Tooth Form Factor YFa and the Tooth Root Stress Concentration Factor Ysa

齿形系数Y（Fa）与齿根应力集中系数Y（sa）的推导与计算

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YFD 200W PM wind-driven generator has been developed as a product of new energy source, for completing small wind-driven system.

YFD型200瓦永磁风力发电机是为小型风力发电装置配套研究，设计的一种新型能源开发产品。

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Conclusion: YFN can ameliorate blood lipids of ovariectomized hyperlipidemia rats.

结论：YFN可以改善去势高血脂大鼠血脂水平。

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The permeability recovery rate of reservoir cores contaminated by PGP-3 treated drilling fluid of optimal composition is higher (> 90%) than that by a 3% MMH fluid and the MMH fluid with 3% temporarily plugging/ shielding agent YFP added.

最佳配方PGP3钻井液污染后岩心的渗透率恢复率超过90%，高于3%MMH钻井液及加入屏蔽暂堵剂YFP的3%MMH钻井液污染后岩心的渗透率恢复率。

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The fluorescence lifetime of cyan fluorescent protein ( CFP) and yellow fluorescent protein ( YFP) with the system were measured. The measurement of fluorescence resonance energy transfer with CFP and YFP was achieved.

应用此系统对青色荧光蛋白（CFP）、黄色荧光蛋白（YFP）荧光寿命进行了测量，并应用CFP、YFP实现荧光共振能量转移的测量。

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The results show that YFP has commercial production ability to fabricate ( U, Gd) O2 pellet on the production line and can realize the localization of ( U, Gd) O2 pellet.

结果表明：YFP的（U，Gd）O2芯块生产线完全具备工业生产能力，并实现（U，Gd）O2芯块制造的国产化。

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Objective: To investigate the alteration and significance of glucocorticoid ( GC) and glucocorticoid receptor ( GCR) in idiopathic thrombocytopenic purpura ( YFP).

目的：探讨特发性血小板减少性紫癜（ITP）患者糖皮质激素（GC）及其受体（GCR）改变的临床意义。

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Especially, the characteristic of sintered UO_2 pellets and the statue of UO_2 pelletization in YFP are described in detail.

本文介绍了核电站和燃料组件，特别对烧结UO2芯块的特性和YFP制造UO2芯块的情况进行了详细的介绍。

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Recently, yellow ( YFP) and cyan ( CFP) fluorescent proteins have been generated and can be used simultaneously to observe several gene products.

最近已研制出黄色荧光蛋白和蓝色荧光蛋白，因此它们能同时用于观察多个基因产物。

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