AbuBakr Bahaj, in charge of the Southampton research, said: The prospects for energy from tidal currents are far better than from wind because the flows of water are predictable and constant.
负责南安普顿研究的AbuBakr Bahaj说:潮汐流的能源前景比风能要好得多,因为水流是可预测和恒定的。
You start with the square of an electron's charge, divide it by the speed of light and Planck's constant, then multiply the whole lot by two PI.
一开始将电子电荷平方,再除以光速和普朗克常数,然后将总数乘以2个圆周率。
Two charge ways are commonly taken in charge circuit, charge with constant voltage and charge with constant current.
一般的充电回路采用的充电方式有两种:恒压充电和恒流充电。
A prototype with constant current charge and discharge functions is developed. Experimental data and waveform are given.
研制成功可用于恒流充电和放电的充电器样机,文中给出了实验数据和波形。
The control panel incorporates a battery charge indicator and a speed meter which assists in maintaining a constant walking speed.
控制面板、电池充电指示器和速度计能协助保持不变的走动速度。
A new method of multi-stage constant charge for valve-regulated lead-acid (VRLA) battery system of electric bicycle has been studied in this paper.
通过对电动自行车用阀控铅酸(VRLA)蓄电池特性的分析,研究了一种新的充电方法——分段恒流充电法。
The traditional normal method for charging up storage battery is the constant voltage or constant current charge. In the charging process 10 to 20 hours are used.
传统的常规蓄电池充电方法都采用小电流的恒压或恒流充电,充电时间长达10 ~20个小时。
The exchangeable acidity in constant charge soils is pronouncedly larger than that in variable charge soils.
恒电荷土壤的可交换性酸量明显大于可变电荷土壤。
The constant of electrostatic charge decay time is a important physical quantity that can describe the electrostatics property of materials.
静电衰减时间常数是定量描述材料静电性能的重要物理量,可以通过测量静电电荷衰减时间达到测量静电的目的。
Uses the constant electric current and the constant voltage way charge, the prohibition reverse charges. If the battery positive electrode and the cathode meet instead, can damage the battery.
先恒流后恒压方式充电,禁止颠倒的方式充电。如果电池正负极颠倒充电会带来危险。
This paper attempts to explain Planck constant. It proposes the definition of charge group.
对形成普朗克常数的原因给出一种试探性的解释。
The constant of electrostatic charge decay time is an important physical quantity that can describe the electrostatics property of materials.
静电衰减时间常数是定量描述材料静电性能的重要物理量。
In regions of constant charge density, all currents flow in closed loops.
在恒压充电密度区域,所有的电流都为闭合电路。
When 1/4 wave plate 2 and 3 are removed, the ambipolar diffusion constant and mobility of electron charge can be measured.
当去除1/4波片2和3时,则能够测量电子电荷的双极扩散常数和迁移率。
So variable charge surface is not a constant potential surface.
所以,可变电荷表面并非恒电位表面。
It finds that there is a constant multiplied by frequency which is equal to the kinetic energy, when a charged particle does circular motion for the centripetal force product by the charge group.
发现带电粒子以电荷群的作用力为向心力做圆周运动时,有一常数乘以频率等于带电粒子的动能。
A parallel plate condenser with installation of drying air, lighting and charging is provided, which can keep charge numbers constant in demonstration experiment.
介绍一种具有干燥、照明和充电系统的演示实验装置,该装置使平行板电容器在演示时能保持所带电荷基本不变。
It improved the battery serve life greatly, which using large charge current at beginning, controlling the charge time of constant voltage and using pulse charge in the end.
起始以大电流恒压充电,并严格控制恒压时间,后期以脉充电流结束能使电池的寿命大大提高。
Greatly improved performance is made possible by a constant 72 volt charge on all K2s insulation.
性能大大提高成为可能由一个常数72伏绝缘所有K2s负责。
With the triode working characteristic in saturation field we implemented the conversion from constant-current charge to tiny-current charge and decreased leakage.
利用三极管在饱和区的工作特性,方便地实现了由恒流充电至涓流充电的转换,减不了充电过程中的水损耗。
It can ensure the reliability of constant power charge that adopted uniformly stepped power input, energy consumption work model and forced air-cooling model.
统一分段式功率投入,能耗式工作模式,强制风冷式散热,大大保证了恒功率放电的可靠性;
So, if a reasonably constant total charge for an asset's services is to be put to the profit and loss account, a declining depreciation charge may be appropriate.
所以,如果我们希望在损益表中对该资产的费用支出相对稳定的话,就应该使用余额递减折旧法。
The robustness of system, the precise of temperature and pressure are observably improved as charge coupled, increase the amplification constant, decrease measure scope, etc.
采用电荷耦合、提高放大倍数、降低量程等误差修正技术,提高了系统抗干扰能力和温度、压力测量数据的精度;
Elemental composition and BET surface area of pyrolysis carbon were investigated. X-ray diffraction pattern and constant-current charge-discharge properties of pyrolysis carbon were studied.
元素分析、氮气物理吸附和X射线衍射分别考察了裂解炭的元素组成、BET比表面积以及微晶结构变化;
In view of the two layout of charges constant nature, this paper researched blasting cone and throwing accumulation rule of linear and sub-concentrated charge by experiment.
针对这两种布药结构可比性问题,论文就条形药包与分集药包爆破漏斗特点和抛掷堆积规律进行了试验研究。
The only constant or the two side of the back, never ask for our cold ask warm, charged charge short long, the only thing we can do for them, is a little understanding, a little treasure.
唯一不变的还是那两个身边的背影,永远都对我们问寒问暖,嘱咐长嘱咐短的,我们唯一可以为他们做的,是一点理解,一点珍惜。
Cyclic voltammetry, constant current charge-discharge and frequency response analysis have also been used to systematically investigate the electrochemical properties of those materials.
并采用循环伏安法、恒流充放电和频率响应测试对各种材料的电化学性能进行了较系统的考察。
When charge ratio and milling time were constant, the average particle size of the powder decreased with the increase of rotation speed, while the amount of small size particles increased.
在相同球料比和球磨时间下,粉体平均颗粒尺寸随球磨转速增加而减小,其中的小颗粒数目也增多。
An increase in grain size increases the dielectric constant, piezoelectric coefficient and hydrostatic figures of merit, which can be explained by the Okazaki space-charge theory.
晶粒尺寸增加,多孔PZ T陶瓷的介电常数、压电系数和优值增加,并可用Okazaki空间电荷理论解释晶粒尺寸对试样介电和压电性能的影响。
An increase in grain size increases the dielectric constant, piezoelectric coefficient and hydrostatic figures of merit, which can be explained by the Okazaki space-charge theory.
晶粒尺寸增加,多孔PZ T陶瓷的介电常数、压电系数和优值增加,并可用Okazaki空间电荷理论解释晶粒尺寸对试样介电和压电性能的影响。
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