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
中南民族大學(xué)學(xué)報(自然科學(xué)版) 2021年1期2021-02-02
- 科技論文寫作中常見的差錯(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“~”.b.單位相同的數(shù)值范圍,只需在最后一個數(shù)值寫出單位符號,其余省略,但緊貼數(shù)值的角標(biāo)型單位符號不能省略;冪次相同的數(shù)值范圍以及采用百分號表示的數(shù)值范圍,每個數(shù)值的冪次或百分號不能省略;用萬、億表示的數(shù)值范圍,每個數(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 2020年2期2020-10-18
- Lower bound estimation of the maximum allowable initial error and its numerical calculation
誤差的下界估計及數(shù)值計算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