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The electron densities of statesof GaN under different biaxial stress field were calculated. The theoretical Auger spectra N KVV of various stress conditions were obtained by convoluting the DOS and fitting the experimental spectra.

通过第一性原理计算模拟GaN在不同双轴压应力场中的电子结构,根据拟合实验确定的组合系数,模拟出不同应变/应力下的N KVV的理论俄歇价电子;标定应变/应力与俄歇电子广义位移的定量关系。

The main intermediates were detected during decomposition,such as acetic acid,oxalic acid,malonic acid,phenol,3-hydroxyhypnone,naphthalene,benzene sulfonic acid,phthalic acid,β-naphthalene etc . by ultraviolet-visiblespectroscopy,ion chromatographand gas chromatograph coupled with mass spectrophotometertechniques.The possible degradation pathway of Acid Orange Ⅱ was also speculated,that was,hydroxyl radical reacted with the azo linkage-bearing carbon of naphthol-ring,and the C—N cleaved,the azo-dye decolored and mineralized.

运用紫外光、离子色、色-质联用等方法,测定出酸性橙Ⅱ的主要降解产物有乙酸、乙二酸、丙二酸、苯酚、3-羟基苯乙酮、萘、苯磺酸、邻苯二甲酸、β-萘酚等,并依此推测酸性橙Ⅱ的降解机理,即羟基自由基攻击酸性橙Ⅱ分子上与萘环相连的C—N键,导致C—N键的断裂,进而染料脱色矿化。

In this study,a HPLC system equipped with an Aminex HPX-87H column was applied to determine oxalic acid in bleaching filtrates.

本研究以一个基于阴离子交换柱的离子交换色法作为对照方法,利用一套配备了AminexHPX-87H液相色柱的高效液相色系统测定漂白废液中的草酸浓度。

The study about the flux and index of gamma-ray loud blazars show:(1)there is significant correlation between the luminosities in gamma-ray and VLBI radio energy band;(2)there are strong anticorrelarions among the observed indices of soft X-ray, hard X-ray and gamma-ray. For the FSRQs, the whole X-ray emission was contributed by synchrotron self-Compton emission, for the HBLs, the X-ray emission was dominated by synchrotron emission while the soft X-ray emission is dominated by synchrotron emission and the SSC emission dominate the hard X-ray energy band for LBLs;(3) there are strong radio-radio and radio-optical flux correlations for the quasar 3C 273. The higher frequency emission leads those in lower frequency. The multi-band complex indices strongly correlated with the high frequency flux which implies that the object is becoming bright when the energy spectrum is harden.

通过对γ噪Blazar天体的指数、流量的相关研究,发现(1)51个样本blazar的γ射线光度与VLBI光度之间存在显著相关;(2)软X、硬X以及γ波段的观测指数之间存在较强的反相关,对FSRQs,无论是硬X射线还是软X射线的辐射都是逆康普顿辐射的贡献,而对于HBLs来说,则是同步辐射的贡献,对LBLs,在软X射线波段以同步辐射贡献为主,在硬X射线能区以逆康普顿贡献为主;(3)3C 273的射电各个波段以及光学之间存在强相关,高频辐射一直领先低频辐射,3C 273的多波段复合指数和高频流量之间存在强的反相关,意味着当能变硬时对象变亮。

For the determination of five carbamate pesticide residues by high performance liquid chromatography with gel permeation chromatography purification, sample was extracted with acetonitrile and purified with gel permeation chromatography. Methanol-water was used as the mobile phase by gradient elution, flow rate of 1.0mL/min, using a fluorescence detector and quantitating with external standard method.

凝胶渗透色-液相色法测定5种氨基甲酸酯类农药残留中,实验采用乙腈提取,凝胶渗透色柱对样品进行净化,以甲醇-水为流动相,进行梯度洗脱,流速1.0mL/min,荧光检测器检测,外标定量测定。

Wave statistic and spectrum, characteristics of flow field under shoaling irregular waves are investigated.

对斜坡床面上不规则波浪要素及其作用下底部的流动特性进行实验观测,对波高进行统计分析和分析,在实验数据范围内得出斜坡上不规则波浪要素与的关系表达式,同时对浅化作用下不规则波浪的流动特性进行统计分析和分析,得到了浅化作用对不规则波浪的波高及底部流动特性影响的规律。

Comparison studies have been performed concerning of dynamic amplification factor β and power spectrum density function (approximately estimated from design spectra) between Eurocode 8 and primary seismic design codes of China.

用动力放大系数β对欧洲规范(Eurocode 8)和我国主要抗震设计规范的设计进行比较;并对由欧洲规范和我国主要抗震设计规范设计估计出的功率密度函数作了比较。

The main idea of the last half of this paper is the analyses of Cursive skill and the use of pen with eight analyses of basic writing method , 14 special writing skills, and make up the lost wooden block-printed book glyph attached after each example word.

本篇论文后半部重点,尝试就《书》草书技法加以分析,从用笔的方法以及草书的使转用笔谈起,将草书的基本笔法分成八点解析,举出《书》的十四种特殊笔法,并将《书》墨迹本和补阙漏的木刻本的字形,随附在各字例之后。

With the small test sample to simulate the local stress conditions of the coupler knuckles,the fatigue tests are carried out according to the load spectrums of pulling and pressing programs of the freight car coupler s and their simplified spectrums.

用小试样模拟钩舌局部区域应力状态,分别按货车车钩拉、压程序载荷和该的简化进行疲劳试验,所得的疲劳寿命值与现场车钩运用调查统计值均相符合;同时,对 AAR所推荐的恒幅载荷也进行了试样的疲劳试

In the functional mechanism, we should use the technique "use the DNA Microarray to build the gene expression difference chart" to lead to the combination of Traditional Chinese Pharmacy and gene expression difference chart to study. Meanwhile,we can establish a totally new method of screening modern Traditional Chinese Pharmacy based on the gene expression difference chart, it can really make the modernization and internationalization of Traditional Chinese Pharmacy.

在中药作用机制方面,应采用&利用基因芯片建立基因表达差异&技术,将中药与基因表达差异有机地结合起来进行研究,同时以基因表达差异为基础建立一种全新的现代中药筛选方法,使中药真正实现现代化、国际化。

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推荐网络例句

Lugalbanda was a god and shepherd king of Uruk where he was worshipped for over a thousand years.

Lugalbanda 是神和被崇拜了一千年多 Uruk古埃及喜克索王朝国王。

I am coming just now,' and went on perfuming himself with Hunut, then he came and sat.

我来只是现在,'歼灭战perfuming自己与胡努特,那麼,他来到和SAT 。

The shamrock is the symbol of Ireland and of St.

三叶草是爱尔兰和圣特里克节的标志同时它的寓意是带来幸运。3片心形叶子围绕着一根断茎,深绿色。