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：

negativity    音标拼音: [n,ɛgət'ɪvəti]
n. 否定性,消极性

否定性,消极性

negativity
n 1: the character of the negative electric pole [synonym:
{negativity}, {negativeness}] [ant: {positiveness},
{positivity}]
2: characterized by habitual skepticism and a disagreeable
tendency to deny or oppose or resist suggestions or commands
[synonym: {negativity}, {negativeness}, {negativism}] [ant:
{positiveness}, {positivism}, {positivity}]
3: an amount less than zero [synonym: {negativity}, {negativeness}]
[ant: {positiveness}, {positivity}]
4: (chemistry) the tendency of an atom or radical to attract
electrons in the formation of an ionic bond [synonym:
{electronegativity}, {negativity}]


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


  • Wave packet - Wikipedia
    Superposition of 1D plane waves (blue) that sum to form a Gaussian wave packet (red) that propagates to the right while spreading Blue dots follow each plane wave's phase velocity while the red line follows the central group velocity
  • Gaussian wave packets - cond-mat. de
    This animation shows the probability density for a Gaussian wave packet It starts at $t=0$ With increasing time the packet moves to the right and broadens What happens for negative times? Use the slider
  • 2. 2: Free Particle- Wave Packets - Physics LibreTexts
    For example, in Chapter 5 we will see that in a quantum oscillator, the spatial width of a Gaussian packet (for that system, called the Glauber state of the oscillator) does not grow monotonically but rather either stays constant or oscillates in time
  • FREE PARTICLE GAUSSIAN WAVEPACKET
    If ω depends on k, the different eigenstates (waves) making up this "packet" travel at different speeds, so the feature at x=0 that exists at t=0 may not stay intact at all time !
  • Quantum Physics I, Lecture Note 7 - MIT OpenCourseWare
    First note that p=m represents the uncertainty in the velocity of the packet There will be shape change when this velocity uncertainty through time produces position uncertainties comparable to the width x of the wave packet
  • Gaussian. dvi - University of Texas at Austin
    Now let’s apply this theorem to the Gaussian wave packets and their Fourier transform For simplicity, let’s work in one space dimension where a Gaussian wave packet has form
  • What is Gaussian Wave Packet, How it Works and Types
    Learn what is Gaussian wave packet is, how it works in quantum mechanics, history, challenges, and explore its different types and applications





中文字典-英文字典  2005-2009