英语单词A-N是什么意思?A-N怎么读?A-N怎么发音?英语网为您整理了A-N的解释、用法、例句、词组等相关学习资料。下面跟小编一起来看看吧！
A-N的意思
1、A-N型；质子数
A-N的双语例句
1、With increase of levels of nitrogen application, invert sugar, content of K, Na, a-N and impurity index raised in roots, while sucrose content and recoverable sugar content decreased.
根转化糖、K、Na、α&氨态氮含量和杂质指数随施氮水平增加而提高，而蔗糖含量、可回收糖量则随之下降。
2、The Second Order Differential Equation Modeling method Fitting Fatigue Crack Propagation a-N Curve
a-N曲线的二阶微分方程建模拟合法
3、The special operation method for measuring a-N curves with "single group of specimens" was also presented.
给出了用“单组试样法”测定a-N曲线的具体操作方法；
4、A study on the a-N curve and the resistance to repeated impact in the repeated impact test
多冲方法中的A&N曲线和多冲抗力研究
5、The purpose of this paper is to study, the A-N interaction by using meson exchange theory.
本文目的在于用介子交换理论研究∧-n相互作用。
6、A Method to fit Directly a-N Curve
a&N曲线的直接拟合方法
7、Fitting a-N Curve with Four Parameter Equation
a-N曲线的四参数方程拟合
8、The a-N fitting calculation method is an important prerequisite to obtain high-precision p-da/ dN-Δ K fitting curve.
a-N数据拟合的计算方法是获得高精度p-da/dN-ΔK曲线的重要前提。
9、Application of a-N antirust additive
A-N防锈剂的应用
10、According to the a-N curves fitted accurately, a new accurate differential method to deal with treat the fatigue crack growth rate da/ dN is proposed.
以曲线拟合为基础，提出了测定疲劳裂纹扩展速率的da/dN精确微分法。
11、Then, on the basis of theory of Taylor series, an orthogonal polynomial model of a-N curves is proposed to have more polynomial degree, and higher relation coefficient.
提出了两种新的a-N曲线拟合方法：正交多项式法和指数函数法，并给出了参数估计算法。
12、On the surface layer, AN 1N 2 is a simple 3 element; AN 1N 2 structure has the possibility of two kinds of classification. ( A-N 1N 2 and AN 1-N 2).
从表层来看，AN1N2是一个简单的三元素定中结构，只有两种分类的可能性（A N1N2和AN1N2）。
13、A large amount of computation results indicate that the reverse generating operation of the second order differential model based on first-order accumulated generating operation can fit the a-N curve at high precision. The proposed method can be extended to other engineering fields satisfactorily.
大量计算表明，由一次累加生成值建立二阶微分方程模型后再还原的模型可以高精度拟合aN试验曲线，可望在工程上推广应用。
14、In this thesis, considering the random nature of the whole set of data, unified a-N incremental polynomial fitting method is proposed under the same test conditions to provide a scientific basis for the study of the influence of different stress ratio on the fatigue crack propagation.
本论文采用考虑整套数据的随机特性的a-N数据拟合方法，提出统一a-N递增多项式拟合法，为研究不同应力比R下的疲劳断裂可靠性提供科学的依据。
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