查询词典 DC

During monopolar operation of HVDC systems with ground return, there is a large scale DC route between soil and AC power net and currents returned from earth may enter into neutrals of transformers, which cause DC bias of transformers and influence transformers running.

直流输电系统单极大地运行时，土壤和交流电力系统构成一个大范围的直流通路网络，从大地返回的电流流过变压器中性点将使变压器出现直流偏磁，影响变压器的正常运行。

The impacts of the ultra high voltage AC/DC grid on Fujian power grid are analyzed in this paper. The security and stability of Fujian power grid and the interactions among the AC and DC system are studied under the single/double faults of EHV AC transmission lines and monopolar/bipolar block faults of EHVDC system near converter station.

中文摘要：分析了交、直流特高压电网对福建电网安全稳定的影响，研究了特高压交流电网、特高压直流系统发生故障时福建电网的安全稳定性以及受端换流站附近交流电网单一或严重故障对直流系统的影响及系统安全稳定水平。

Simulate the condition of temperature and energy control in percutanous MWA for HCC to ablate SMMC-7721 cell strain suspension.There were five experiment groups:A.control group,B.45℃10 min group,C.50℃3min group,D.54℃3min group and E.60℃instant group.Detection for apoptosis was performed at 30 minutes and 2 hours after ablation.2.Thirty-two C57 mice were undertaken hypodermic inoculation of Hepal-6 tumor piece at right groin as ablation tumor and at left groin as observation tumor one week later.The mice with double tumors were separated into four groups:A.control group with no treatment,B.MWA group treated with MWA only,C.mDC group treated with MWA and subcutaneous injection of mature dendritic cells sensitized by neoantigen of Hepal-6 cell strain,D.iDC group treated with MWA and peritumoral injection of immature dendritic cells without neoantigen sensitization.

模拟肝癌微波治疗中常用消融区边缘的温控和能量条件，消融人肝细胞癌株SMMC-7721细胞悬液，分为五组：A、对照组，B、45℃10min组，C、50℃3min组，D、54℃3min组，E、60℃即刻组，消融后30分钟及2小时进行凋亡检测。2.32只C57小鼠左侧腹股沟皮下接种Hepa1-6鼠肝癌细胞瘤块作为消融瘤，间隔1周，右侧腹股沟皮下接种瘤块作为观察瘤，成瘤后分为四组：A组，对照组，不行治疗；B组，微波组，仅微波消融小鼠消融瘤；C组，成熟DC组，微波消融小鼠消融瘤，并于小鼠双侧腋下注射肿瘤抗原致敏的树突状细胞；D组，未成熟DC组，微波消融小鼠消融瘤，并于消融瘤周注射未成熟树突状细胞。

AIM: To explore the role of myeloid dendritic cells and plasmacytoid dendritic cells in normal pregnancy.

目的：探讨髓样DC 和浆细胞淋巴样DC在正常妊娠中母胎免疫耐受机制中的作用。

A18430 Maximum Ratings: A18430 Pinout: DC input range: 180 - 375V Input surge withstand: 400V for 100ms DC output: 3.3V Programmable output: 10 to 110% Regulation: 0.2% Efficiency: 77.5% Maximum operating temperature: 100C at full load Power density: 60W/cubic inch Height above board: 0.43 in.(10,9 mm) Parallelable, with N+M fault tolerance Low noise ZCS/ZVS architecture

A18430最大额定值： A18430引脚说明：直流输入范围：180 - 375V输入浪涌承受：为100ms的400V的直流输出：3.3V的可编程输出：10至110％调节：0.2％的效率：77.5％最大工作温度：100C读写器在满负荷功率密度：60W/cubic英寸高光明正大：0.43英寸（10.9毫米）可并行与N +男容错低噪音零电流/零电压架构

This paper studies the brew technology of a Pueraria DC health wine produced from Pueraria DC and sticky rice .

以葛根、糯米为原料，探索了葛根保健酒的酿造工艺，采用液体发酵、过滤分离的工艺方法，研制出了酒味爽口、独特，并含有一定黄酮物质的葛根酒。

On the basis of researches above, a prototype which consists of two paralleled DC/DC SEPIC converters with coupled inductors is designed. Some experiments have been made. The experimental results show that the approach proposed is accurate and feasible again.

同时，在此基础上，本文搭建了由两个具有耦合电感的SEPIC变换器并联所构成的实验平台，并通过该实验平台对所提出的单周期均流控制策略进行了实验研究，实验结果再次证明了该均流控制策略的正确性和可行性。

DC marking a big targetman in a 1 striker formation: One DC will be set to always close down, the other has no specific instructions to pick up what's left.

所有受伤的场上球员以及状态 85%以下的球员：总是凶狠拼抢，要么让他们状态更糟，要们直接把他们送进医院。

Pass to computer control technology to the application and the research in the shaft hoist, we introduce that the new breeze well hoist computer control system to adopt the most advanced technique of PLC nowadays, by full-digital thyristor DC speed regulated system to constitute of parallel 12 pulse technology and magnetic fields to change toward technology, reform the traditional generator- electric motor machine set and relay control of hoist, by F- D machine set the unadvanced drive of wind reformation to become having the international advanced the horizontal full digital DC to drive the system.

通过对计算机控制技术在矿井提升机中的应用和研究，阐述了新风井提升机计算机控制系统采用了当今最先进的PLC技术、由全数字晶闸管直流驱动系统组成的并联十二脉动整流技术和磁场换向技术，来改造传统的发电机—电动机机组+继电器控制的提升机，从而使落后的F—D机组驱动的提升机改造成为具有国际先进水平的全数字直流驱动系统。

Freshly isolated blood mononuclear cells were reversely penetrated by unstimulated human umbilical vein endothelial cells and cultured in medium containing GM-CSF, IL-4 and TNF- a .

此外，本实验还用重组人CEA痘苗病毒转染DC，构建DC疫苗，以求在CEA阳性肿瘤患者的生物治疗上有所突破。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。