However, nonlinear group contribution method can provide a superior fit to biodegradation and produce a lower prediction error than the linear group contribution method.
预测结果表明线性和非线性基团贡献法的预测效果都很好，相比而言，非线性方法对生物降解性的预测更准确。
In this paper, the regular representations and matrix representations of an infinite powergroups are given by the infinite linear group actions on the infinite powergroup.
利用群作用给出了一经线性 （无限 ）群在无限幂群上的作用 ，利用这一作用定义了无限幂群的正则表示和相应的矩阵表示 。
Two substances combines in order to let the latter power become more than the power before, not denying to point above is affirming the value group which is the non-linear group.
两种物质组合后因“取长补短”、“功能衍生”等原因而使所得到的功能强于(多于)组合前的总功能，不否认这一点就肯定了价值组合是非线性组合。
Polylactic acid (PLA) is a linear aliphatic polyester produced by poly-condensation of naturally produced lactic acid or by the catalytic ring opening of the lactide group.
聚乳酸(PLA)是一种线性脂肪族聚酯的聚乳酸中自然产生的或由丙交酯开环缩合催化剂组产生。
Treatment group effects were estimated using linear mixed models according to the intention-to-treat principle.
治疗组的关系按照从意向到治疗的原则采用现行混合模型进行评估。
Group differences were analyzed using linear mixed models analysis.
两组差异分析采用线性混合模型分析法。
This paper introduces the theory, the mathematical model, the algorithm, and the structure of a linear programing problem for runoff compensating regulation of a group of hydropower stations.
本文阐述了水电站群径流补偿调节线性规划模型的思路、数学模型、算法和结构，并讨论了模型的目标函数问题。
Based on the absorbance data of a group, standard solution, working equation of component was established by linear regression.
根据一组已知浓度混合液的吸光度，经一无线性回归建立组分的工作方程。
Through theoretical analysis, group waves are decomposited into linear and nonlinear terms, in which the effect of each term is discussed under various water depth.
通过理论推导，将群波分解为线性项和非线性项，讨论群波非线性项在不同水深条件下的影响情况。
The problem is changed to solving the linear inequality group with two unknown, thus, we can get the optimal solution by the computer.
从而使问题转化成求解二元线性不等式组的问题，为此可方便地借助计算机求出最佳结果。
Linear relation of vector group is an important concept in linear algebra and is also an important theoretical foundation of solving problems.
向量组的线性相关性是线性代数中的重要概念，也是解决问题的重要的理论根据。
Then, stepwise regression analysis is used to select a best group of factors for the prediction of expressway incident duration, and the multiple linear regression model is established.
在此基础上，通过逐步回归分析确定用于高速公路事件持续时间预测的最佳变量组合并建立多元线性回归模型。
As applications, we also determine the forms of linear maps preserving group inverses.
作为应用又确定了保群逆线性映射形式。
In most group signatures, the length of group public key has linear relation with the number of group member at least, so it is hard to adopt such schemes when the number of group member is large.
目前大部分的群签名方案中，群公钥的长度和群成员数至少是线性关系，因此在群成员很多时，这类群签名方案很难适用。
Conclusion There was no linear correlation between HCT and ESR by quantitative capillary photometry method, no matter in the patient group or in the healthy group.
结论定量毛细管速率法测定的ESR与HCT间，无论是病例组还是健康组，均不存在直线相关关系。
Based these relationships, a group of linear diagnosis equations are structured in rising order, that is, the problem of nonlinear diagnosis is transformed to linear diagnosis problems.
由解轨迹多项系数间存在的由低到高的解耦关系导出基于多项式系数的故障诊断方程，将非线性电路故障诊断转换为一组线性电路故障诊断问题。
The B-PRL with lactigenous volume showed linear correlation in normal group, model group and treatment group(P<0.01) .
正常组、模型组和治疗组的大PRL与其泌乳量呈线性相关（P＜0．01）。
A link substructure composed of a group of linear and nonlinear link units, can be used in the free interface modal synthesis technique to set up nonlinear vibration equations.
提出一种由线性连接元和非线性连接元组成的连接子结构，并将这种连接子结构用于自由界面的模态综合技术。
The control scheme adopts a group of fuzzy rule sets as internal model of the nonlinear plant, where a fuzzy rule set represents a local linear system.
该算法以一组模糊规则作为非线性对象内部模型，一条模糊规则表示一个局部线性系统；
The polyacrylamide (PAM) and its copolymers as a linear water soluble polymer are highly versatile group used in a multitude of application.
聚丙烯酰胺（PAM）是一种线型水溶性高分子，是水溶性高分子化合物中应用最为广泛的品种之一。
The judging methods of the vectors group related dependence from determinant values, rank of matrix, solution of system of linear equations etc were studied.
将行列式的值、矩阵的秩、齐次线性方程组的解等知识运用于向量组线性相关性判定，归纳出六种判定向量组线性相关性的方法。
The progress in linear chain clusters of low-valent platinum group metals is briefly reviewed.
本文就有关线性低价铂系金属簇合物的研究进展作一简述。
It is shown that for some relatively simple conditions, exact analytical solutions of the non linear consolidation equation can be obtained by using the approach of the transformation of Lie group.
研究表明，对于一些相对简单的边界条件，通过李群变换的方法可以得到非线性固结方程的完整解析解。
The method utilizes a group of parallel linear models, for instance N models, to represent nonlinear systems.
该方法用N个线性模型近似表示参数变化很大的非线性系统。
The main means used in the paper are group theory, Galois field, module algebra and linear algebra.
文中涉及的主要理论有群论，伽罗华域，模代数和线性代数。
Between different group, the goblet cell's number of villi's bottom and top has linear correlation with age.
不同月龄组之间，绒毛体部和底部杯形细胞数量与月龄呈正相关。
Using the hierarchy thought, an algorithm, which bases on network partition and equivalent compress by the analyzing the network model correspondence the linear equations group, is proposed.
应用层次化思想，本文通过对线性方程组求解的网络模型分析，提出了一种基于网络分割、等效压缩的算法。
This paper defines phase and group delay distortion of audio system based on point view of linear system analysis and the physical meanings of group delay is discussed.
本文从线性系统分析的角度定义了音响系统的相位和群延迟失真，并讨论了所定义的群延迟物理意义。
Methods the free amino group in the deacetylated chitosan was determined by linear titration.
方法用线性滴定测定壳聚糖(游离胺基)的含量。
The above methods also apply to analysis of calculating stability for general linear equation group.
该方法也适用于分析一般线性方程组求解的稳定性。
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