直流电
- direct current;continuous current
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[direct current] 方向不变的电流,由电池、燃料电池、整流器和装有整流子的发电机产生
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采用直流电沉积法制备了纳米晶镍,用X射线衍射和阴极极化曲线的测定对比研究了硫脲对沉积层晶粒尺寸以及阴极过电位的影响。
Nanocrystalline nickel was synthesized by direct current electrodeposition , and effect of thiourea on grain size of settled layer and cathode overpotential was studied by X-Ray diffraction and cathodic polarization curve .
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特高压电(UHV)是指1000千伏特以上的交流电或800千伏特以上的直流电。
Ultra-high voltage or UHV is defined as voltage of 1000 kilovolts or above in alternating current and 800 kilovolts or above in direct current .
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直流电导入加高热对丝裂霉素C透入兔膀胱壁的影响
Effect of electromotive drug administraction and hyperthermia on mitomycin C concentration in bladder wall
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维生素C直流电导入治疗黄褐斑
Iontophoresis of vitamin C for chloasma
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但是由于大功率LED的特性,电源一般需要将交流电变换成直流电。
But power source need to transfer AC to DC , because of the characteristic of LED .
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直流电沉积二元合金Co(55)Ni(45)纳米棒阵列及其表征
Direct current electro-deposition of binary Co_ ( 55 ) Ni_ ( 45 ) alloy nanorod arrays and its characterization
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用自制的多孔氧化铝模板,采用直流电沉积的方法成功制备出Fe、Ni纳米线有序阵列。
Highly ordered uniform Fe Ni nanowire arrays have been successfully fabricated in homemade AAO templates by DC electrodeposition method .
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直流电处理对加Sr变质的Al-Si合金显微结构的影响
Influence of Direct Current Treatment of Microstructures of Al-Si Alloys Modified with Strontium
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交流变频与SCR直流电驱动钻机的分析和比较
Analysis and comparison of DC SCR drive rig and AC converter drive rig
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直流电沉积CdS纳米线的研究
Research of CdS Nanowires by DC Electrodeposition
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结论:在pH4.0&9.0的缓冲条件下,乌头碱的直流电促透皮量随pH的下降而增加;
Conclusion : Within pH 9.0 to pH 4.0 , if the pH of buffer solution decreases , the percutaneous absorption of Aconitum alkaloids increases .
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ZnS:Mn,Cu粉末的直流电致发光(DCEL)
Zns : mn , Cu powder direct current electroluminescence ( dcel )
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ZnS:Cu,Nd,Cl薄膜直流电致发光的激发态寿命和光谱强度
The lifetimes of excited states and spectral intensities of DCEL in zns : cu , nd , cl thin films
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在真空中用共蒸发的办法制备ZnS:Cu,Nd,Cl薄膜具有良好的直流电致发光。
Good DCEL has been observed in thin films cf ZnS : Cu , Nd , Cl prepared by co-evaporation in vacuum .
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表明经导管直流电消融治疗VT有一定疗效。
The results indicate that transcatheter direct current ablation is effective in treating VT.
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需熟练应用临时心脏起搏、直流电复律、利多卡因等防治RA。
We need well-trained application with temporary cardiac pacing , electronic diversion , lidocaine , etc. , to prevent and control RA .
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ZnS:Mn,Cu粉末直流电致发光(DCEL)器件在交流(AC)电压下的频率特性
Frequency characteristics of powder zns : mn , cu direct current electroluminescent ( dcel ) devices in alternating current ( ac ) voltage operation
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ZnS:Cu,Er,Cl薄膜直流电致发光效率与电场分布关系的研究
Study of the relation between electroluminescent efficiency and distribution of electric field strength in the zns : cu , Er , CL DC thin film EL devices
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形成电压对直流电致发光(DCEL)器件在交流(AC)条件下亮度和寿命的影响
Influence of forming voltage on the characteristics of direct-current electroluminescent ( dcel ) devices operated under alternating-current ( ac ) voltage
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通过电路设计,参数优选,研制了整流滤波电路,使开机浪涌电流得到了抑制,把交流电变换成了高压直流电,供给DC/DC变换器;
The rectifier filter 's circuit is developed through current design and parameters optimization , the surge current is quenched and the AC voltage is transferred into high DC voltage to supply the DC / DC converter .
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FCM模型放电脉冲频率随着直流电刺激的变大而变大,产生的动作电位有明显的大小变化。
The firing frequency of FCM model was increasing by the larger of direct electrical stimulation , and the size of generated action potential had obvious change .
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文中阐述了直流电测深曲线反演拟合的基本原理,对拟合电阻率转换函数T(λ)和视电阻率函数ρs(r)分别进行了探讨。
The basic principle of inverse fitting of direct current sounding curve is expounded , and the transfer fnuction T (λ) of fitting resistivity and apparent resistivity function ρ _s ( r ) are approached respectively in this paper .
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通过电解腐蚀阻挡层后,能够直接在PAA中使用直流电沉积镍纳米材料。
After the barrier layer was eroded , PAA could be used directly as a template to fabricate nickel nanowire by direct current method .
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粉末厚膜(交)直流电致发光(DCEL)平板显示器
Powder Thick Film AC / DC Electroluminescence Flat Display
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研究了离网型逆变器,采用电压型单相桥式逆变电路,结合工频变压器和LC滤波电路将直流电逆变成交流电供给交流负载。
Studied off-grid inverter , using voltage-mode single-phase bridge inverter circuit , combined with frequency transformer and LC filter circuit to direct current into alternating current then supply AC load reverse .
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对SJ隔热管热性能检测系统三种电加热方案进行了分析比较,确定采用变容高精度直流电热源,并对此电源的结构、原理、元器件的参数选择进行了设计与计算。
The power supply of the heat property test system for the SJ heat isolation pipe was analyzed and hence the design .
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车载逆变电源(又叫电源转换器)可以把汽车蓄电池的12V/24V直流电转变成大多数电器所需要的220V交流电。
Inverter power supplies applied in cars transform from 12V / 24V of storage battery DC into 220V AC.
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当年爱迪生与同为电气先锋的竞争对手在配电应使用直流电(DC)还是交流电(AC)的问题上争执不下,而目前存在分歧的,是气候变化和温室气体监管问题。
While Edison feuded with rival electrical pioneers over whether power should be distributed using a direct current ( DC ) or an alternating current ( AC ), the issue dividing opinion today is climate change and regulation of greenhouse gases .
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在MN趋于零时滤波计算三极装置直流电测深视电阻率的基础上,采用数值积分方法,导出了MN不趋于零时的三极(对称四极)装置直流电阻率测深曲线的计算方法。
Based on filter algorithm to calculate apparent resistivity of tri-electrode arrangement when MN is close to zero , this paper presents a numerical integral method of computing DC resistivity as MN is not equal to zero .
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把直流电能转变成交流电能供给负载的DC-AC逆变器,特别是正弦波逆变器,其种类繁多,应用领域广泛,优越性明显。
DC-AC inverters , especially sinusoidal inverters , which convert alternating current to direct current , are various , widely used and excellent .