ppv

美 [ˌpi: pi: 'vi]英 [ˌpi: pi: 'vi]
  • 网络猪细小病毒;阳性预测值(positive predictive value);苯乙炔

ppvppv

ppv

猪细小病毒

猪细小病毒(PPv)是引起母猪繁殖障碍的主要病原之一。该病主要引起胚胎和胎儿感染死亡以及胎儿畸形、木仍伊化。

阳性预测值(positive predictive value)

结果显示,该算法的阳性预测值PPV)较差,但加入“内窥镜检查”一项后,PPV可由原先的27%增至51%。UGIE最有力的预 …

苯乙炔

聚对苯乙炔(PPv)及其衍生物具有独特的光电性能,经强氧化剂掺杂后是一类重要的导电材料川,而且具有良好的非线性光学(NL…

猪细小病毒病

(6)猪细小病毒病PPV):以胚胎和胎儿感染及死亡,而母猪本身不显症状的一种母猪繁殖障碍性传染病。猪细小病病毒抗 …

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The vaccine PPV can protect people against some of the more common pneumonia-causing bacteria, and is recommended in the US. 在美国,建议使用PPV疫苗,已保护人们免受一些较为常见的,可以导致肺炎的细菌的侵袭。
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Owing to good property of poly( para- phenylene vinylene) (PPV), PPV is one of the most hopeful photovoltaic materials. 聚对苯乙烯撑(PPV)由于具有优良的光电性质,是研究最多也是最有希望的光伏材料之一。
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If the STB has modem for return path connection, the viewing history can be transferred to the Conax Tokens PPV server. 如果STB有调制解调器来返回路径连接,则可以将观看记载转发到Conax令牌PPV服务器。
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Interactivity, e. g. ordering of PPV movies, can be achieved through other channels than the traditional STB return channel. 互动性,如订购PPV电影可以通过传统的STB返回频道之外的其它频道实现。
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The tokens PPV can be run as concurrent conditional access mode to standard subscription, Event PPV or NVOD PPV. 令牌PPV可以在并发有条件接入模式下运行标准订购、事件PPV或NVODPPV。
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Also the mechanism of the electro-luminescence and the route to vary the luminescence color of PPV are dis- cussed. 同时也探讨了该材料的发光机理和改变其发光颜色的途径。
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Collection of viewing history to Conax Tokens PPV server can be triggered via an EMM. 将观看记载向Conax令牌PPV服务器的收集可以通过EMM触发。
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The prepartion and relative determinations of new electroluminescence polymer PPV are reported in this paper. 报道了新型电致发光材料聚对苯乙炔的制备过程和有关测试结果。
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Objective To analyze and compare the variation for practical peak voltage(PPV)and mean peak voltage of X-ray generator. 目的:分析比较X线发生器实际峰值电压和平均峰值电压在实际测量工作中的差异。
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Mayweather: I just want to say everybody that bought PPV, that came to Las Vegas, thank you. 梅威瑟:我只想和那些花钱买PPV以及到现场观看的拳迷们说,谢谢你们。
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In recent years, PPV infection and the harm caused by the upward trend to the pig farming industry and caused great economic losses. 近年来,PPV感染和造成的危害呈上升趋势,给养猪业造成了巨大的经济损失。
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Figures show the Pacquiao fight stands to be the most-watched ever in boxing history: as many as 1. 5 million PPV hits. 统计数据显示,帕奎奥打站是最受关注的在拳击史上:多达150万PPV的命中。
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PPV widespread and prevalent in farms at home and abroad, seriously affecting and constraining the development of the pig farming industry. PPV广泛存在并流行于国内外猪场,严重影响和制约着养猪业的发展。
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PPV control and inventory cost reconciliation. 采购价格差异控制,库存品价格调整。
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Provide timely and quality costing, costing variance and performance analysis reports, such as PPV, production variance, scrap, etc. 提供每月成本、成本差异和业绩分析报告,如PPV、制造差异、废品等。
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A cost in tokens is assigned to each programme offered in Tokens PPV mode. 令牌费用被指配给令牌PPV模式所提供的各个程序。
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The genus PPV belongs to the family avian pox virus of Poxviridae, which is the biggest DNA virus. PPV为痘病毒科禽痘病毒属,是体积最大的一类DNA病毒。
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Macular holes recurred in 13 cases, 11 eyes of which were performed PPV and C3F8 filling or silicone oil vitreous infusion. 13例随访中黄斑孔再开,其中11例再行玻璃体切除联合C3F8填充或硅油填充。
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SEM analysis showed that the surface of the modified PPV film by the VPLD was roughness and there was no damage under certain condition; SEM分析表明激光刻蚀改性的PPV薄膜在一定的制备条件下薄膜表面平整,没有破坏;
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Stability of a PPV Oligomer with Central Biphenyl Bridge and Peripheral Carbazole Substituents 外围带咔唑基的联苯桥联PPV齐聚物的稳定性
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Carrier Transport Characteristics of the Soluble PPV Polymer with Main Chain Containing Electron-Transporting Group 主链含电子传输型团的可溶性PPV聚合物载流子传输特性研究
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Synthesis, Characterization and Optical Properties of Cyano-containing Conjugated Side-chains PPV Derivatives 共轭支链含腈基的聚对苯乙烯衍生物的合成及光谱特征
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Synthesis and Electroluminescence Performance of Novel Fluorine-containing PPV Derivates 新型含氟聚苯撑乙烯的合成及电致发光性能
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Theoretical Studies on Ground State Structure, Electronic Energy Level and Absorption Spectra of PPV Oligomers with Biphenyl Bridge 联苯桥联的PPV齐聚物基态构型、电子能级和吸收光谱的理论研究
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Linear and Nonlinear Optical Properties of Two PPV Derivatives 两种聚对苯乙炔类衍生物的线性与非线性光学性质
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Progress and Application Prospect of PPV and its Derivatives PPV衍生物的研究进展及应用前景
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Luminous Dynamics of Solid State Analogy Cathodoluminescence of PPV PPV固态类阴极射线发光动力学的研究
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Influence of molecular structure design of PPV-like derivatives on it's properties 分子结构修饰对PPV类衍生物性能的影响
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The Effects of Remaining Solvent on Carrier Transfer Characteristic in the O-PPV Polymer O-PPV中的残余溶剂对载流子传输特性的影响
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Study on effects of PPV and medicine treatment for suppurative endophthalmitis caused by intraocular foreign body 玻璃体切割联合药物治疗球内异物致化脓性眼内炎疗效观察