The exact effective nuclear charge numbers have been defined andcalculated with the mean radius of the initial orbital of the active electron toconsider the combined -effects of relativity and screening in an actualtranstition calculation . The electron impact ionisation cross sections and thecorresponding ionisation rate coefficients of Li like ions 〓中文字幕5页、〓、〓亚洲男女精品视频网站、〓and〓 have been calculated by using our calculated effective nuclearcharge numbers.

我們考慮并修正了原始理論中對屏蔽常數(shù)物理意義的不正確定義和算法，更精確考慮了其它電子對被電離電子的屏蔽效應以及相對論收縮對有效核電荷數(shù)的影響91精彩国产，得到了更可靠的有效核電荷數(shù)黄片在线www，并給出了更好的電離截面結果。

The detector housing is identical to that of the ionisation smoke detector.

該探測器的房屋是相同的探測器的電離煙霧96在线播放。

In 1902 Lenard showed that an electron must have a certain minimum energy before it could produce ionisation when it passed through a gas.

萊納德在1902年提出欧美在线看免费vA，當電子通過一種氣體時，必須具有一個確定的最小能量色欲黄色视频免费，才能產(chǎn)生氣體的電離。

It is found that the sporadic E ionisation clouds move.

它被發(fā)現(xiàn)分散E 電離云彩行動韩日精品高肏操穴视频免费。

The aurora is associated with increased ionisation in the E layer and it is from this that the signals can be reflected.

極光同增加的電離聯(lián)系在一起在E 層數(shù)并且是從這信號可能被反射。

Their innovation, reported this week in Science, is based on desorption electrospray ionisation, an analytical technique which can be deployed in the field.

他們的創(chuàng)新技術插插插插插爽，根據(jù)這周的科技雜志消息办公室A片在线观看免费，基于解吸附電噴電離技術desorption electrospray ionisation的技術，這是一種可以在現(xiàn)場進行的可分析技術国产在线观看三级。

Their innovation, reported this week in Science, is based on desorption electrospray ionisation, an analytical technique which can be deployed in the field.

本周的《科學》雜志報道了他們的這一基于解吸附電噴霧離子化（desorption electrospray ionisation）的新檢測方式。

As they form the level of ionisation gradually builds up, affecting first the lower frequencies, and later higher frequencies as the level of ionisation increases.

當他們形成電離的水平逐漸加強日韩精品观看第一页在线观看网站，首先影響更低的頻率，和最新更高的頻率作為電離增量的水平人人干人人αⅤ。

As they form the level of ionisation gradually builds up, affecting first the lower frequencies, and later higher frequencies as the level of ionisation increases.

當它們的電離度開始逐漸增強時免费a级a一片，首先影響較低的頻率，而更高頻率通常顯示出電離度的增加鸥美级黄色片。

In particular the atmospheric pressure chemical ionisation and the electrospray ionisation methods are nowwidely used in routine analysis (see also section on PTR-MS and HOx radicals below).

尤其大氣壓化學電離和電噴霧電離方法現(xiàn)在廣泛應用于常規(guī)分析（請參見PTR 和 HOx 下有關基礎）。