上标

The correlation coefficients between 0X, 1X, 0X(superscript ' subscript D), 1X(superscript ' subscript D) and boiling points for 80 alkenes, 39 alkynes and 169 aliphatic unsaturated hydrocarbons were made, which were 0, 999 3, 0, 999 6, 0. 995 5, respectively and better than those of the famous Kiers index (superscript mX.

其逆指数0阶、1阶指数0X(下标 D，1X，0X，1X分别与80个单烯烃、39个单炔烃、169个不饱和烃的沸点进行相关，复相关系数依次为0.9993，0.9996，0.9955，均优于著名Kier指数(上标 mX的回归结果。

Through environment scanning electron microscope and X-ray energy-dispersive spectrometer the results indicate that the major mineral of the samples is Si-rich sericite, whose monocrystal is of being well, leaf-shaped and orientational arrangement, with its aggregate being imbricate characteristics. The average chemical formula of Si-rich sericite in the sample is K0.59Na0.50{Al2.86Mg0.50Fe(superscript 3+ subscript 0.754.11[Al0.91Si7.09]8O204

环境扫描电子显微镜及其能谱仪的测量结果显示，歙砚样品的主要矿物为多硅白云母，其单晶颗粒好，呈叶片状、定向排列，其集合体呈叠瓦状结构分布；其平均化学式为K0.59Na0.50{Al2.86Mg0.50Fe(上标 3+下标 0.754.11[(Al0.91Si7.09)8O20]4}。

Fractions can be composed from superscripts and/or subscripts plus the fraction slash.

馏分组成可以由上标和/或下标再加上部分斜线。

When ploting functions In Gnuplot, you may want to add in superscripts or subscripts, or other symbols.

在Gnuplot中画函数图，有时需要加入上标下标以及特殊字符，下面教您如何得到。

Mathematical formulae, with their subscripts, superscripts, and special symbols, are devilishly difficult to translate into HTML.

将含有下标、上标和特殊符号的数学公式转换成 HTML 非常困难。

To improve the stability and the depth of the pseudo-potential well of the ion trap, two sets of RF sources and the corresponding detection circuits were designed and implemented in a Paul trap. With the implementation, absorbed signals of 199Hg(superscript +) and N(superscript + subscript 2) were detected from trapped ions.

为了满足离子囚禁稳定性以及提高离子囚禁势阱深度，设计和制作出两套囚禁离子的射频源和射频共振吸收检测电路，利用不同频率的射频源及相应检测电路在双曲线型离子阱实验装置中成功地囚禁了199Hg和N(上标+下标 2)离子得到了它们的射频共振吸收信号。

The method is applied to the determination of nitrate ion in uranium dioxide sample with satisfactory results.

该法可用于测定二氧化铀产品中微量NO(上标-下标 3)，操作简单，可行性强，可以满足测定要求。

MARK THE CORRECT GAP SIZE BETWEEN STERN TUBE AND STERN FRAME BOSS ON THE LEFT SIDE OF THE CHART AND DRAW A HORIZONTAL LINE.

5.6-2 根据实际情况在纵轴线上标出艉管与外支撑套内壁之间的间隙值标出点并以此点作一根水平线

The physicochemical indexes of the seed oil extracted by petroleum ether were as follows: relative density 0.9374 d(superscript 20 subscript 4, acid value 8.49 mgKOH/g, iodine value 64.47 gI/100 g, peroxide value 4.92 mmol/kg, saponification value 196.63 mgKOH/g.

结果表明：三叶木通籽粗蛋白含量为34.39%，粗脂肪含量为31.37%，经石油醚提取出的三叶木通籽油的相对密度0.9374d(上标 20 下标 4，酸值8.49 mg/g，碘值64.47 g/100 g，过氧化值4.92 mmol/kg，皂化值196.63 mg/g。

It was observed that indoleacetic acid could greatly enhanced the chemiluminescence intensity of tris-(1,10-phenanthroline) ruthenium Ru(phen(superscript 2+ subscript 3)-cerium system. Based on this finding, a novel CL method was developed for the determination of IAA.

基於吲哚乙酸对三（1，10-菲咯啉）钌[Ru(上标 2+下标 3)]-Ce化学发光体系的发光增强作用，建立了一种化学发光直接检测IAA的新方法。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。