1、

Discussion on some practical problems of theoretical coefficient method in XRF analysis

X射线光谱分析中理论α系数法的几个实际问题的讨论

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2、

Transformation of Theoretical Alpha Coefficient in X-ray Fluorescence Spectrometry

X射线荧光光谱分析中的Alpha系数转换

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3、

Theoretical study of amplitude coefficient ratio character of one-dimension photonic crystal

光子晶体的反射振幅系数比特性的理论研究

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4、

Combination of fundamental parameters method and theoretical alpha coefficient method as applied in XRF analysis& a feasible method in practice

X荧光分析中基本参数法和理论α系数法的结合&一种可行的实践方法

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5、
6、

The theoretical ALPHA coefficient correction of matrix effect has been calibrated both DJ and PH correction models.

采用DJ和PH两种校正模型作理论ALPHA系数校正。

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7、

It has been proved that detection limits and accuracy could be improved by replacing experienced coefficient calibration with theoretical α coefficient calibration method.

利用理论α系数代替经验系数,使方法具有较高的准确度和较低的检出限。

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8、

Results of theoretical influence coefficient method and fundamental parameter method are consistent with certified values; the relative error is smaller than 1% to Cr and Ni.

基本参数法与理论影响系数法分析结果与确认值一致,对Cr,Ni分析的相对误差

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9、

The matrix effects on absorption and ( enhancement) ( were) corrected by means of PH model and theoretical alpha coefficient. Moreover, the precision and accuracy experiments were performed.

采用PH模式、理论a系数校正基体的吸收增强效应,进行了方法的精密度及准确度试验。

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10、

According to continuous measurement the radon daughters potential energy, the deduction arithmetic is presented. And the theoretical formula, coefficient, calculation error, method of sampling and measurement, condition of calibration are given.

就氡子体潜能浓度的连续测量,提出了氡子体潜能浓度连续测量的扣除算法,并给出了相关理论公式、系数、计算误差、取样测量方法和刻度条件。

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11、

With regard to the Titanium alloy welding structures generally used in advanced aircraft structures, an equivalent theoretical stress concentration coefficient K t ( K te) was introduced to describe the fatigue property of welding specimen.

针对先进飞机结构广泛采用的钛合金焊接结构,提出了描述焊接件疲劳特性的当量理论应力集中系数Kt(Kte)的概念;

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12、

At present, dynamic analysis of tower crane most focus on the start and brake process of lifting mechanism; the calculation method in design specifications and theoretical lifting load coefficient in all states are also aim at lifting process.

目前,国内外对塔式起重机的动态分析多集中于起升机构的起动与制动过程的动态研究,各国设计规范中的计算方法与理论中的有关动载系数亦是针对起升过程而言。

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13、

Integrating the 2-D diffusion equation, the coefficient of saturation recovery is derived and its characteristics can be revealed clearly. Then the theoretical expression of coefficient of saturation recovery under the strong equilibrium condition and the corresponding calculating value have been obtained.

在此基础上积分二维扩散方程,得到了恢复饱和系数,阐述了它的特性,进而导出了在强平衡条件下的恢复饱和系数的理论表达式和相应的数字结果。

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14、

Study on Theoretical Formula and Safety Coefficient of Foundation Permitting Bearing Capacity

地基容许承载力的理论公式与安全系数分析采场直接顶承载特性研究

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15、

Theoretical Alpha Coefficient Method for Determination of Major and Minor Elements in Powder Samples by XRF

粉末样品中主、次量元素的XRF法分析&理论α系数与内标校正法

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16、

Theoretical Analysis of the Coefficient Relating the Power of Brillouin Signal to Strain

布里渊功率应变系数的理论分析

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17、

Theoretical Study of Reflection Coefficient of Multilayer Microwave Stealth Materials

多层微波隐身材料反射系数的理论研究

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18、

Theoretical Analysis on Penetrating Coefficient of Soil

土壤渗透系数的理论分析

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19、

Theoretical model of drag coefficient of isolated tree

单株树的阻力系数模式

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20、

The results show that micro-cycle grid texture sliding surface can decrease friction coefficient effectively, and the geometry parameters have couple effects on the lubrication characteristic. The theoretical approach established providing a rudimental method for optimizing the design of grid textured surface.

结果表明:具有微循环网格形态的滑动表面可有效地改善其摩擦系数,其几何参数对润滑的影响呈现互耦合机制;该研究可为滑动表面微循环网格织构优化设计提供理论基础。

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