Conclusion Glutaraldehyde content determined value is affected by the negative interference of sodium nitrite and sodium bicarbonate and the positive interference of methanal.

结论戊二醛含量测定值可受到亚硝酸钠、碳酸氢钠的负干扰和甲醛的正干扰作用。

youdao

sa So we have 1 s a, and we're drawing this as having a positive amplitude, but since we have destructive interference we're going to draw 1 s b as having the opposite sign, so we have a plus and a minus in terms of signs.

我们有，我们把这画成一个正的振幅，但因为我们是相消干涉,我们把1sb画成相反的符号，所以我们有一正一负两个符号。

麻省理工公开课 - 化学原理课程节选

Now we must show the same boldness by remaining positive, constructive and ready to assist without interference to help the onward march of change.

BBC: Middle East debate

The government promises businesses support but no interference - a policy of "positive non-interventionism" vital to its role as a financial and trading center.

CNN: FIGHTING 'GODZILLAS'