下标

The results of derivatization indicated that the derivatives can be obtained by the labeling reaction of EASC with estradiol (E2) and estriol (E3) in the presence of NaHCO3 buffer (pH 10.5) at 60℃ for 3 min. The excitation wavelength λ(subscript ex and emission wavelength λ(subscript em were 270 nm and 430 nm, respectively.

EASC与E2和E3在NaHCO3缓冲液(pH10.5)中，于60℃下反应3min即可获得稳定的荧光产物，最大激发波长λ(下标 ex和最大发射波长λ(下标 em分别为270nm和430nm。

The results indicated that under photooxidation condition, the addition of "RuBP regeneration system" and sodium glycolate increased qP and Φ, while R5P, DHAP and HCO(superscript – subscript 3) increased qN, compared to nonphotooxidative control.

结果表明，光氧化条件下外加"RuBP再生系统"和乙醇酸钠可提高qP和Φ，而R5P、DHAP和HCO(上标–下标 3)可提高qN，显示其对光氧化下叶绿体PSII活性有一定程度的保护作用。

This dissertation mainly investigated two frameworks of H-matrix, such as SPB framework consisting of integer Subscript matrix, Permutation matrix and Bidiagonal matrix and MSPT framework consisting of Masking matrix, sparse Subscript matrix, Permutation matrix and approximately lower Triangular array matrix.

本文主要研究了两种H矩阵的类随机框架结构模型，一是SPB框架，由整数下标矩阵、置换矩阵、双对角线矩阵构成；二是MSPT框架，由稀疏下标矩阵、模板矩阵、置换矩阵和近似下三角阵列矩阵构成。

The results show that:(1) after MA for 20h, single phase bcc nanocrystalline supersaturate solid solution formed in Fe84Nb7B9 and Fe80Ti8B12 alloys; the thermal stability of nanocrystalline microstructure in Fe80Ti8B12 alloy was improved significantly than that in Fe84Nb7B9 alloy, and the decomposition temperature of supersaturate solid solution decreased in Fe80Ti8B12 alloy.(2) under 30MPa/900℃/0.5h hot-press sintering conditions, the relative density of Fe84Nb7B9 and Fe80Ti8B12 bulk alloys were 96.7% and 95.5%, respectively. Compared with Fe84Nb7B9 alloy (muti-phase microstructure), Fe80Ti8B12 alloy was composed of superfine crystalline (50~200nm) of single phase α-Fe;(3) the magnetic properties of Fe80Ti8B12 bulk alloy σ(subscript s=198.6emu/g, H=54.6Oe were more excellent than that of Fe84Nb7B9 bulk alloy σ(subscript s=162.9emu/g, H=105.1G, it was related to the different phases formed during hot-press sintering and the grain size of nanocrystalline powder.

结果表明：(1)20hMA后，Fe84Nb7B9和Fe80Ti8B12均形成了单相bcc纳米晶过饱和固溶体，相对前者，后者纳米晶组织热稳定性明显提高，过饱和固溶体相分解温度略有降低；(2)在30MPa/900℃／0.5h热压条件下，Fe84Nb7B9和Fe80Ti8B12块体合金相对密度分别为96.7%和95.5%，相对前者，后者由超细晶(50~200nm)单相α-Fe组成；(3)Fe80Ti8B12块体合金软磁性能σ(下标 s=198.6emu/g，H＝54.6Oe明显高於Fe84Nb7B9块体合金σ(下标 s=162.9emu/g，H＝105.1Oe，此与纳米晶粉末在热压烧结过程中所形成相的种类和晶粒尺寸大小有关。

A two dimensional photofragment ion-velocity imaging technique coupled with a (2+1) resonance-enhanced multiphoton ionization scheme was utilized to obtain the angular and translational energy distributions of the nascent Br2P(subscript 3/2 and Br(superscript *)2P(subscript 1/2 atoms.

实验中得到了二溴甲烷光解产生的Br2P(下标 1-2和Br2P(下标 3-2在不同波长下的角度和平动能分布。

GA(subscript 1+4) distribution in microspore mother cells, uninucleate and binucleate pollen, especially in nucleus, gradually increased with the anther development. Moreover, some GA(subscript 1+4) distributed in sperms.

短日照条件下花药可育，花粉母细胞、单核花粉和二核花粉内GA(下标 1+4)的分布数量逐浙增多，以细胞核最为明显；成熟花粉的精细胞内也有一定数量的GA(下标 1+4)分布。

The effect of 10% excess PbO addition on the phase transformation from pyrochlore to PbMg(subscript 1/3Nb(subscript 2/3)O3 was studied.

研究了10%过量的PbO对煅烧过程中烧绿石相向铁电相的转变作用，并在700℃锻烧5h条件下制备了不含烧绿石相的PbMg(下标 1/3Nb(下标 2/3)O3-CoFe2O4固溶体。

You can get access to individual elements with an index and pair of brackets, or a consecutive group of elements with the brackets and colons giving the indices of the elements you want starting from one index and going up to but not including the ending index.

你可以简单的用方括号加一个下标的方式访问它的每一个元素，或者通过在方括号中用冒号把开始下标和结束下标分开的方式来访问一组连续的元素。

The total nitrogen was determined by ultraviolet spectrophotometer, and the absorbency needed to be emendated by A=A(subscript 220nm)-2A(subscript 275nm) The total phosphorus with sulfuric acid-ammonium stibium molybdate-ascorbic acid as the developer was determined by spectrophotometer at 700-720nm wave length.

用紫外分光光度法测定总氮，并采用校正吸光度A=A(下标 220nm)-2A(下标 275nm)对其进行定量；用钼－锑－抗作显色剂，在波长700~720nm下对总磷进行比色定量。

Water column samples taken from the northern and the southern lake centers in Hongfeng lake in summer stratification were measured about their water temperature, pH, the concentration of HCO3(superscript -), DO, Chla, NH4(superscript +), NO3(superscript -)、and PO(superscript 3- subscript 4). The pressure of CO2 (pCO2) was calculated by the chemical balance and the Henry's law.

在夏季分层期间对红枫湖南、北湖湖心的水样进行分层采集，同时测定了分层水样的温度、pH、HCO3浓度、溶解氧、叶绿素a及铵根离子NH4(上标+、硝酸根离子NO3(上标-、磷酸根离子PO(上标 3-下标 4的浓度，水体中CO2的分压(pCO2)由化学平衡及亨利定律求得。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。