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pv系统
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  pv system
     This paper presents a utility single phase inverting system, which connects the PV system with the grid. It can get the energy from the grid when the energy of PV system is lack,and if there is surplus energy in the PV system,it can feedback the energy to the grid.
     描述和设计了一个用于PV(光伏 )发电系统与民用电网相连接的实用单相逆变控制系统 ,它能在PV系统能量不足时 ,利用电网能源进行弥补 ,PV系统能量过剩时 ,把能量反馈到电网。
短句来源
     This paper introduces a kind of calculation process of the solar energy light volt generating electricity system(called PV system),Providing to consult only.
     本文介绍一种户用太阳能光伏发电系统(又称PV系统)的计算流程,仅供参考。
短句来源
  photovoltaic system
     The design of photovoltaic system for household
     户用PV系统设计
短句来源
  “pv系统”译为未确定词的双语例句
     Based on the experimental results of CPC-PV/T system, the curves showing the relation of temperature difference of solar cell and ambient, power output, efficiency, short circuit current to the solar radiation intensity are given and the formula as well.
     本文根据CPC-PV/T与平板PV系统的对比实验结果,拟合得出了太阳电池工作温度及其和环境温度间的温差、输出功率、太阳电池效率、短路电流与太阳辐射的关系曲线以及太阳电池效率与工作温度的关系式,得到了开路电压随太阳电池工作温度上升而下降的温度系数。
短句来源
     Results It was found preoperatively that the PV of 12 cases was not invaded by tumors through the examination of CDUS and CT and 5 was invaded.
     结果 术前采用彩色多普勒超声 (CDUS)和CT检查诊断PV系统未受肿瘤侵犯 12例 ,受肿瘤侵犯 5例。
短句来源
     Results There were 14 cases without PV invaded before operation on CT and 7 cases with PV invaded.
     结果 术前采用CT检查诊断PV系统未受肿瘤侵犯 14例 ,受肿瘤侵犯 7例。
短句来源
     Conclusion Preoperative examination of CDUS and CT to the patients with pancreatic or peri ampullar carcinoma could understand the relation between the tumors and PC. For those with PV invasion or PV invasion by a little tumor,but without invasion of vascular tunica intima,the pancreatic carcinoma could be removed.
     结论 胰腺癌、壶腹部周围癌术前通过CDUS和CT检查 ,明确肿瘤与PV系统的关系 ,肿瘤未侵犯PV系统PV系统有微小肿瘤侵犯 ,血管内膜未受侵犯或血管能与胰腺分离者 ,可手术切除。
短句来源
     The contraindications of the operation forpancreatic or peri ampullar carcinoma were as follows:surrounding of vessels by tumors,obvious narrow or embolization of the vessels,invasion of the superior mesenteric arteries and celiac trunk,invasion of vascular tunica intima of PV,or tumors in vascular cavity.
     血管被肿瘤包埋 ,明显的血管狭窄或闭塞 ,肿瘤累及肠系膜上动脉 (SMA)或腹腔干近侧 ,肿瘤侵犯PV系统血管内膜或血管内肿块 ,均列为手术禁忌。
短句来源
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  相似匹配句对
     SYSTEM
     系统
短句来源
     system).
     系统)。
短句来源
     pv.
     pv.
短句来源
     campes-tris pv.
     pv.
短句来源
     The Application of Inverter in PV System
     逆变器在PV发电系统的应用
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  pv system
This paper argues that the cost of solar PV system is beyond the reach of most rural poor households in sub-Saharan Africa.
      
A PV system of 1000 W is suggested as being too costly for most rural homes, based on the current silicon technologies.
      
Although phonolite is the dominant product of the youngest activity of the Teide-PV system, there has been no eruption of phonolitic magma for at least 500 years from teide itself and for ~2000 years from the PV system.
      
Air conditioning loads peak several hours later as buildings heat up, when a PV system would still be generating a high fraction of its peak output.
      
Availability of the solar resources is not the only factor when calculating the economic value of a PV system.
      
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  photovoltaic system
A 7.2 kW photovoltaic system provides the majority of electricity needed by the building.
      
A grid-tied photovoltaic system will be integrated with roof material.
      
A photovoltaic system may be used to charge the battery in an UPS-system.
      
A photovoltaic system consists of more than PV modules composed of solar cells.
      
A fifteen foot tall Christmas tree was lit up using a photovoltaic system built by members of ASUSES.
      
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Based on the experimental results of CPC-PV/T system, the curves showing the relation of temperature difference of solar cell and ambient, power output, efficiency, short circuit current to the solar radiation intensity are given and the formula as well.

本文根据CPC-PV/T与平板PV系统的对比实验结果,拟合得出了太阳电池工作温度及其和环境温度间的温差、输出功率、太阳电池效率、短路电流与太阳辐射的关系曲线以及太阳电池效率与工作温度的关系式,得到了开路电压随太阳电池工作温度上升而下降的温度系数。

Objective To study the relation between the pancreatic and peri ampullar carcinomas and portal vein (PV) to make a relevant surgical procedure and to enhance the resecable rate of pancreatic and peri ampullar carcinomas.Methods A retrospective analysis of 17 cases of pancreatic and peri ampullar carcinomas was made.Results It was found preoperatively that the PV of 12 cases was not invaded by tumors through the examination of CDUS and CT and 5 was invaded.The results of CDUS and CT examinations were the...

Objective To study the relation between the pancreatic and peri ampullar carcinomas and portal vein (PV) to make a relevant surgical procedure and to enhance the resecable rate of pancreatic and peri ampullar carcinomas.Methods A retrospective analysis of 17 cases of pancreatic and peri ampullar carcinomas was made.Results It was found preoperatively that the PV of 12 cases was not invaded by tumors through the examination of CDUS and CT and 5 was invaded.The results of CDUS and CT examinations were the same as those of the operation exploration with the accuracy of diagnosis being 82.4% .In this group,9 cases underwent operation resection and 2 part resection of PV wall and plastic operation.Conclusion Preoperative examination of CDUS and CT to the patients with pancreatic or peri ampullar carcinoma could understand the relation between the tumors and PC.For those with PV invasion or PV invasion by a little tumor,but without invasion of vascular tunica intima,the pancreatic carcinoma could be removed.The contraindications of the operation forpancreatic or peri ampullar carcinoma were as follows:surrounding of vessels by tumors,obvious narrow or embolization of the vessels,invasion of the superior mesenteric arteries and celiac trunk,invasion of vascular tunica intima of PV,or tumors in vascular cavity.

目的 探讨胰腺癌、壶腹周围癌与门静脉 (PV)系统的关系 ,制定正确的手术方案 ,提高手术切除率。方法 对我院 1988~ 2 0 0 0年所收治的 17例胰腺癌和壶腹周围癌患者的临床资料进行回顾性分析。结果 术前采用彩色多普勒超声 (CDUS)和CT检查诊断PV系统未受肿瘤侵犯 12例 ,受肿瘤侵犯 5例。 14例术前CDUS和CT检查结果与手术探查结果相符 ,准确率 82 .4% ,本组中9例能手术切除 ,2例做了PV壁部分切除和整形缝合术。结论 胰腺癌、壶腹部周围癌术前通过CDUS和CT检查 ,明确肿瘤与PV系统的关系 ,肿瘤未侵犯PV系统PV系统有微小肿瘤侵犯 ,血管内膜未受侵犯或血管能与胰腺分离者 ,可手术切除。血管被肿瘤包埋 ,明显的血管狭窄或闭塞 ,肿瘤累及肠系膜上动脉 (SMA)或腹腔干近侧 ,肿瘤侵犯PV系统血管内膜或血管内肿块 ,均列为手术禁忌。

This paper presents a utility single phase inverting system, which connects the PV system with the grid.It can get the energy from the grid when the energy of PV system is lack,and if there is surplus energy in the PV system,it can feedback the energy to the grid.The curves of experiment are presented.

描述和设计了一个用于PV(光伏 )发电系统与民用电网相连接的实用单相逆变控制系统 ,它能在PV系统能量不足时 ,利用电网能源进行弥补 ,PV系统能量过剩时 ,把能量反馈到电网。给出了系统的试验曲线。

 
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