數(shù)值
- Gallium-incorporated zinc oxide films deposited by magnetron sputtering and its microstructural properties
TC(004)數(shù)值Figure 3 shows the full-width at half-maximum(FWHM) values of(002) peak of all the deposited thin films.As can be seen,theFWHMfalls firstly and then rises with the increase of thicknesst,and the minimumFWHMof 0.083° can
- 科技論文寫作中常見的差錯(cuò)(6)
關(guān)于數(shù)值范圍的規(guī)范用法1.數(shù)值范圍的表示a.表示數(shù)值范圍應(yīng)用符號(hào)“～”.b.單位相同的數(shù)值范圍,只需在最后一個(gè)數(shù)值寫出單位符號(hào),其余省略,但緊貼數(shù)值的角標(biāo)型單位符號(hào)不能省略;冪次相同的數(shù)值范圍以及采用百分號(hào)表示的數(shù)值范圍,每個(gè)數(shù)值的冪次或百分號(hào)不能省略;用萬、億表示的數(shù)值范圍，每個(gè)數(shù)值的萬、億不能省略.例如:2～30 mol/L;100°～180°;2×104～7×104;(2～7)×104km;50%～80%;2萬～10萬.c.采用公差形式表達(dá)的數(shù)值范圍
上海工程技術(shù)大學(xué)學(xué)報(bào) 2020年2期2020-10-18
- Lower bound estimation of the maximum allowable initial error and its numerical calculation
誤差的下界估計(jì)及數(shù)值計(jì)算KEYWORDS Predictability problem;maximum allowable initial error;particle swarm optimization algorithm;Conditional Nonlinear Optimal Perturbation(CNOP)1.IntroductionIn numerical weather and climate prediction,the predic