SIDS appears to be somewhat more common among babies who sleep on their stomachs. 趴着睡的婴儿似乎患婴儿猝死综合征的几率更高。
Application for Analytic Hierarchy Process Method in Sports Team Cohesion Influencing Factor Appraisal 层次分析法在体育团队凝聚力影响因素评价中的应用
Analytic hierarchy process of factor sensitivity on seepage control of underwater tunnel fissured surrounding rock 水下隧道裂隙围岩渗流控制因素敏感性层次分析
This artical presents an analytic method to detemine load incremental factor by incremental elastoplastic FEM as the load comes to limited one. 弹性补偿有限元法是一种简单、高效的结构塑性极限分析方法,目前仅用于采用单一材料的结构体系中。
The study tries to divide the effect of superfine slag powder into pozzolanic effect and filling effect, using method of specific tenacity analytic and factor of enhancement effect to a analysis them. 矿渣微粉在水泥中的作用分为火山灰效应和填充效应,利用比强度分析法和增强效应因子法来分析这两种效应在水泥中的作用情况。
Analytic model based on stress intensity factor for estimating the reliability of structural components under constant amplitude loading 常幅载荷下结构元件断裂可靠度估算的应力强度因子模型
The analytic solution and the intensity factor of anti plane strain problems of curvilinear cracks in piezoelectric materials are obtained by using the Faber series expansion of complex variable functions and solving Hilbert problem. 用复函数的Faber级数展开方法,通过求解Hilbert问题研究了含任意曲线裂纹的压电材料反平面应变问题,获得了问题的解析解和场强度因子。
This paper appraises and analyses the water resource sustainable utilization degree of XinJiang with the analytic approach of fuzzy pattern-recognition, and considers unconfirmed factor in appraising regional water resource, aiming at promoting the sustainable utilization of the water resource. 采用模糊模式识别分析法对新疆水资源可持续利用程度进行评价分析,较好地考虑了区域水资源评价中不确定的因素,旨在促进水资源的可持续利用。
An analytic geometry method to determine the safety factor of rock slope 岩质边坡安全系数的解析几何法求解
Methods: We compared the strengths and weaknesses of induction and deduction approaches in identifying domains ( subscales) and of Delphi consultancy, Analytic Hierarchy Process, and Factor Analysis in generating weights for the domains ( subscales). 方法:比较归纳法和推论法确定生命质量评价领域的优缺点,以及Delphi(专家询问法)、AHP(层次分析法)、因子分析方法等赋予生命质量评价领域权重值的优缺点。
At last, it use the analytic approach of the multi-layer factor to make comprehensive appraisal to 13 Limited Companies of Chinese automobile enterprises. 最后运用多层因子分析法对我国汽车企业的13家股份有限公司进行了综合评价。
On Analytic Triangle Distribution Coverage Factor 解析三角分布的包含因子
The thesis mainly adopts such research approaches as analytic approach of documents, description, factor analytic approach, comparative approach and case analytic approach to carry on the research of Australian foreign language education policy. 论文主要采用文献分析法、描述法、因素分析法、比较法和个案分析法等研究方法对澳大利亚外语教育政策进行研究。
This text is aimed at utilizing DEA model to while we are carrying on validity appraisal. It proposes the appraising combined with both DEA method and the analytic approach of the factor ( abbreviated as DRF method), thus improving DEA method. 本文针对利用DEA模型进行有效性评价时碰到问题,提出了用因子分析法(简称DRF法)与DEA法相结合来进行评价,这是对DEA法的一种改进。
The scattering phase function is represented by means of the analytic Henyey-Green stein function with an asymmetry factor dependent on the incident zenith angle. 散射相函数由解析的Henyey-Greenstein函数表示,其不对称因子也与入射天顶角有关。
At the same time, two theorems were testified. And finally the paper put forward the analytic expressions for the gain factor and the input and output resistances of the network, which were produced by inserting a two terminal network in the original network. 证明了两个定理,给出了由于引入二端网络所引起的网络增益,输入电阻和输出电阻的解析表达式。任一由受控源和电阻连接构成的二端网络总可以用一个电阻来等效。
When processing data, the thesis has dealt with the micro influence factors of the stock price adopting the analytic approach of the factor, and has drawn five main composition factors; 在数据处理时,本文采用了因子分析法对股价的微观影响因素进行了处理,并提取了五个微观主成分因子;
The Analytic Algorithm for Real-time Calculating the Dynamic Power Factor in AC Resistance Welding 交流电阻焊动态功率因数的实时解析算法
Analytic hierarchy process determinate the key decision-making factor the value question of weighted factor in objective function, aimed at this mathematical model, based on self adapting Genetic Algorithms and program implementation procedure; exploiting VE-POS authentication system and validate feasibility of algorithmic with numerical value simulated. 基于该数学模型给出了一个基于自适应遗传算法的求解算法及其程序实现过程,开发了VE-POS验证系统,并采用数值仿真的方法对算法的可行性进行了验证。
And then the stableness of a novel class of complex analytic wavelet& Y wavelet ( whose quality factor is changeable) is analyzed. 接着研究一类品质因素可控的复解析母波&Y-母波的稳定度;
A analytic model with high precision for Calculating Compressibility Factor of high-pressure gas 高压天然气偏差系数的高精度解析模型
Then, the evaluation factors system of the shortest paths query system based on the network is established, and the analytic and calculative method of each factor and sub-factor is proposed. 然后建立了路网中最优路径查询的评价体系,并给出了各评价因素及子因素的分析和计算方法;
By constructing Riemann-Hilbert problem of boundary value with stress functions, analytic solution of stress intensity factor of crack tip in infinite plane with semi-infinite crack under general variant loading is obtained. 通过应力函数构造了Riemann-Hilbert边值问题,给出了具有半无限裂纹的无限大平面受一般可变载荷作用下裂纹尖端应力强度因子的解析解。
In the paper are employed three econometric analytic methods, that is, the correlation, factor and casual analyses to investigate the relationship between domestic capital flight and foreign investment in China. 分别采用相关分析、因子分析和因果分析三种计量分析方法,验证了中国资本外逃与外国直接投资之间的关系。
As for the fuzzy controller, the rule is depicted with analytic form and changed through self-regulating correction factor on line, so that it adapts the system dynamic process. 所设计的自组织模糊控制器,其模糊控制规则用解析形式进行描述,并通过修正因子的在线调整而改变,适应了系统动态响应的过程。
Analytic method for target factor and its application in the management policy of information service 目标因素分析法及其在信息服务机构管理决策中的应用
The shooting results are results of multi factor influence so that it is hard to reach quantitative analytic conclusion produced by single factor from real test shot gathers; 2激发效果受多因素影响,难以从实际实验炮集数据得出单一因素的定量分析结论;
The Fuzzy Analytic Hierarchy Process is carries on the analytic hierarchy process and the fuzzy judgment method merit the organic fusion. With the analytic hierarchy process determined each influence factor the weight, with the fuzzy judgment method determined various plans target, enhanced the policy-making efficiency. 模糊层次分析法是将层次分析法和模糊综合评价法的优点进行有机融合,用层次分析法确定各影响因素的权重,用模糊综合评价法确定各方案指标,提高了决策的效率。
The geometry model of surface crack of a hollow axle is built, and the analytic formula of the stress intensity factor of the hollow axle surface crack is obtained by modifying that of the solid cylinder surface crack. 提出空心轴表面裂纹的几何模型。考虑到空心轴内孔的影响,对实心圆柱表面裂纹应力强度因子解析式进行修正,得出空心轴表面裂纹应力强度因子的解析式。
Research on the theory of analytic factor in his middle period, which reflects the coherence in weierstrass 'mathematical thought. What he concerned indicate his algebraic approach in the research. 探析了魏尔斯特拉斯中期的解析因子理论,反映了魏尔斯特拉斯数学思想的连贯性,通过他对复变函数理论某些基本问题的关注,体现了代数方法的研究手段。