英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字，中文词皆可：


请选择你想看的字典辞典：
单词字典翻译
implicare查看　implicare　在百度字典中的解释百度英翻中〔查看〕
implicare查看　implicare　在Google字典中的解释Google英翻中〔查看〕
implicare查看　implicare　在Yahoo字典中的解释Yahoo英翻中〔查看〕

安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • The Importance of the X R Ratio in Short Circuit Calculations
    The X R ratio is the amount of reactance X divided by the amount of resistance R which also happens to be the Tangent of an angle created by reactance and resistance in a circuit When calculating short circuit currents, there are usually many impedances that must be added together
  • What is the Importance of X R Ratio? - Electrical Axis
    The X R ratio is a measure of the ratio of the inductive reactance (X) to the resistance (R) of an electrical system Knowing the X R ratio is important for several reasons Electrical Engineers need to know the importance of X R ratio in doing fault calculations
  • X R Ratio Calculation - Voltage Disturbance
    X R ratio is the ratio of inductance to resistance of the power grid up to the point of fault Near to large generating stations and large substations, this ratio will be high At the tail end of long distribution lines and for low voltage systems the ratio will be lower
  • Role of X R Ratio in Circuit Breaker Short Circuit Duty Evaluation
    The fault X R ratio is higher than breaker’s test X R ratio (15 versus 6 6), hence a more detailed examination for adequacy is required Given the symmetrical rating and test X R ratio, we can find the LVCB’s maximum peak capability
  • Rethinking X R as Time Constants - breakerandfuse. com
    X R ratios are a critical parameter in power system design In short, the X R ratio is the ratio of the system reactance (X) to the system resistance (R), when viewed from a particular point in the network
  • X R ratio - Electric power transmission distribution - Eng-Tips
    * The system reactance(X) and resistance (R) values are obtained on single-phase base * Typical range for utility X R ratio is from 15 to 30 * The X R ratio is highest for generating units and transformers and lower for transmission lines
  • Apple introduces iPhone X R
    iPhone X R features a 12-megapixel f 1 8 aperture wide-angle lens with an all-new sensor, delivering faster auto-focus, while larger and deeper pixels improve image fidelity and low-light performance on photos and videos Improvements to the ISP, Neural Engine and improved software algorithms enable portrait photos with a beautiful bokeh effect
  • What does X ∈ R mean? - For Tech and Science
    X ∈ R doesn't mean that "x equals to R", but rather, that "x is an element of the set of real numbers R" The correct way to read this out loud would be "x is in R"
  • AGN 168 - Short Circuit Ratio (X R) - STAMFORD
    The X R ratio is the amount of reactance X divided by the amount of resistance R, which also happens to be the Tangent of an angle created by reactance and resistance in a circuit The provision of X R data for components incorporated within the scope of the distribution system can usually be provided by the appropriate manufacturer
  • Fault Currents, Circuit Breakers, and a New Method for X R Calculations . . .
    the transient current can be expressed with a single X R and that this X R can be used to size an appropriate circuit breaker The actual fault current calculated as such may now be substantially larger than what is estimated by the X R method at the time of circuit breaker opening, potentially surpassing its interrupting capability





中文字典-英文字典  2005-2009