氖是空气中的稀有气体,只占空气体积的千分之几。
Neon, a rare gas in the air, takes only fractional percentage point of the volume.
用电生醌分别进行毫克量亚钛和二价钒的库仑滴定,误差为千分之几。
Coulometric titrations of milligram quantities of titanous ion and hypovanadous ion give errors less than 1 per cent.
吲哚本身也是一种香料,常用于茉莉、紫丁香、荷花和兰花等日用香精配方,用量一般为千分之几。
Indole itself is a spice commonly used in jasmine, lilac, lotus and orchids, and other daily flavor formula, the amount is generally a few thousandths.
通过刮擦底漆表面检查是否已经渗透和软化。千分之几的半液状表面应该很容易刮掉。如果有必要,再重复涂敷底漆。
Check penetration and softening by scraping the primed surfaces. A few thousandths of the semi-fluid surface should be easily removed. Repeat primer application if necessary.
在初晶相为鳞石英的平板玻璃中加入千分之几的P_2O_5后对析晶性能的影响与初晶相为硅灰石的平板玻璃是不同的。
The effect of addition of P_2O_5 in a few thousandths on the devitrification behavior of plate glass with primary phase of tridymite is different from that with primary phase of wollastonite.
在初晶相为鳞石英的平板玻璃中加入千分之几的P_2O_5后对析晶性能的影响与初晶相为硅灰石的平板玻璃是不同的。
The effect of addition of P_2O_5 in a few thousandths on the devitrification behavior of plate glass with primary phase of tridymite is different from that with primary phase of wollastonite.
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