根据谱仪的探测效率曲线可以对原子灵敏度因子进行定标,这对于XPS定量分析具有很重要的应用价值。
Atomic sensitivity factors can be calibrated by using the curve of detective efficiency. It plays an important role in XPS quantitative analysis.
采用相对灵敏度因子(RSF)进行质谱定量分析。
The quantitative analysis was carried out by using relative sensitivity factors (RSF).
本研究开发了多元校正工具箱,化学因子分析工具箱,聚类分析工具箱,以及谱图分峰拟合工具箱。
In this sub-system, a toolbox of multivariate calibration, a toolbox of chemical factor analysis, a toolbox of cluster analysis, a toolbox of overlapping peak resolving were involved.
用等离子体动力论导出的动力形状因子研究尘埃等离子体的散射功率谱。
The scatter spectrum of radio waves by a dusty plasma has been studed with the dynamic factor which was derived from the kinetic theory.
发现K元素浓度分布呈细粒态单峰谱分布,细粒态K富集因子较高,表明了生物质燃烧的主要贡献。
The fine-mode distribution and high enrichment factors of fine aerosols of K indicated its main source of biomass burning.
并从C—T曲线的通用性出发,说明加速腐蚀因子与应力水平、载荷谱以及裂纹尺寸无关。
The weal-correlation between acceleration corrosion factor and stress level, load spectrum and crack size is gained base on the generality of C—T curves.
中小地震的震源谱可以用“布龙”理论模型表示,传播路径中的几何衰减因子可以用三段几何衰减模型表示。
The source spectrum of small-moderate earthquake can be represented by theoretical "Brune" model, the geometric attenuation factor of whole path can be represented by three-segment geometric model.
目的对人工合成的人广谱细胞生长因子基因进行体外表达与纯化,并测定其活性。
Objective to express the basic fibroblast growth factor (bFGF) gene in bacteria, to purify the product and to determine its activity.
谱线展宽因子是半导体激光器的重要参数之一。
Linewidth enhancement factor is one of the most important factors of semiconductor lasers.
研究结果表明磁光电导谱的峰值和强度强烈依赖于填充因子和态密度。
The peak position and intensity of the magneto-optical conductivity depend strongly on the filling factor and the broadened DOS.
谱强度与归一化光场强度和相对论因子乘积的平方均成正比,载波包络函数使光场中电子运动的时间和空间周期减小;
The spectral intensity was proportional to the square of the product of normalized light field intensity and electronic relativity factor.
在频域内,场地的地震动傅立叶幅值谱,可以表示为震源谱、传播路径影响因子和场地效应的乘积。
The Fourier amplitude spectrum used in a seismological model can be expressed as a product of source spectrum, propagation path factor and site effect in frequency domain.
相应地,用R型因子分析法、单变量因子克立格法和多标度分形谱便能有效地实现地球化学场的分解。
And so, the methods of R-mode factor analysis, single-variate factor Krig-ing and multifractals are used in the present paper, to disperse the compounding geochemical field.
目的应用抗体芯片技术研究早期糖尿病视网膜病变(DR)患者血清中细胞因子表达谱及其水平变化,并探讨其临床意义。
Objective to determine serum cytokine profiles and levels in patients with early diabetic retinopathy (DR) by using antibody array technology and analyze their clinical significances.
应用四色荧光活化流式细胞术(FACS)检测CD 34 +细胞其粘附分子及趋化因子受体CXCR -4的表达谱。
Four color fluorescence activated cell sorting (FACS) analysis was applied to detect the expression profiles of adhesion molecules and chemokine receptor CXCR 4 on CD34 bright cells.
方法回顾分析123例al患者并发感染的患病率、影响因素、细菌谱及在常规抗感染治疗基础上并用粒细胞集落刺激因子(G -CSF)对疗效的影响。
METHODS a retrospective analysis of prevalence of infection occurring in 123 al patients, their bacterial spectrum, and the effect of G-CSF on the infection were done.
目的检测植物血凝素及淋巴因子激活的杀伤细胞(PHA -LAK)的体外广谱抗肿瘤作用。
Objective to detect the in vitro antitumor action of phytohemagglutinin and lymphokine activated killer (PHA-LAK) cells.
年轮生长的功率谱测定检出,大青杨年轮生长存在2.5、3.2、6.3年的周期,年轮生长的周期性主要是受气象因子影响所致。
The measurement of power spectra of growth ring demonstrates the variations of period every 2.5, 3.2, 6.3 year under the influence of climatic factor.
给出了在各种不同大气湍流强度、不同相位谱空间频率的下降因子时,大气湍流相位波前低阶模式完全校正后和倾斜部分校正时的斯特列尔比的计算结果。
The results of Strehl ration calculation after low-order modes and tilt part correction at varies atmospheric turbulent intensity and phase spectrum descend efficiency are discussed detailed.
它在外推性能和谱估值方面比以往的方法好。由于采用了FFT和收敛加速因子,它是一种实用的算法。
The iterative FFT algorithm can provide better extrapolation performance and more ac-curate spectral estimates than other developed algorithms for the band-limited signals with a smooth spectrum.
无规排列功率谱与其单元功率谱的比值被称为干涉因子。
The ratio of the power spectra of random array to whose unit is called the coherent factor.
本文给出了双粒子格林函数的能谱方程及其简单的推导过程,而且还推导出了在TDA近似下的顶角因子的二级近似公式。
We give the spectra equation of double particle Green Function and the process eliting it. As well as the second approximate formula of the TDA approximate diagram is also given.
第四章我们分析了SU(2)自旋链的动力学关联函数的结构因子和能谱以及其他的一些物理量。
In Chapter 4 we analyze further the form factor of the dynamical correlation function as well as excitation spectra and other physical quantities in the SU (2) spin chains.
观察到若干F - C因子很小的弱支跃迁谱线,实验也证实了线偏振光谱对荧光谱线的减化。
Some of the weak transition lines whose F-C factor is very small are also obtained. This experiment also proves that the linear polarization spectrum is much simpler than fluorescent spectrum.
背景与目的:肿瘤坏死因子相关凋亡诱导配体(tumornecrosisfactor-relatedapoptosisinducingligand,TRAIL)有广谱的抗瘤作用,且对正常组织细胞无毒性,因此有望应用于肿瘤基因治疗。
BACKGROUND & OBJECTIVE: Tumor necrosis factor-related apoptosis inducing ligand (TRAIL) can induce apoptosis in various cancer cell lines with little toxicity toward normal cells.
背景与目的:肿瘤坏死因子相关凋亡诱导配体(tumornecrosisfactor-relatedapoptosisinducingligand,TRAIL)有广谱的抗瘤作用,且对正常组织细胞无毒性,因此有望应用于肿瘤基因治疗。
BACKGROUND & OBJECTIVE: Tumor necrosis factor-related apoptosis inducing ligand (TRAIL) can induce apoptosis in various cancer cell lines with little toxicity toward normal cells.
应用推荐