1) empirical model
经验模型
1.
The research of soil moisture inversion based on empirical model in Western region of China;
中国西部地区基于经验模型的土壤水分反演
2.
Separation performances under different conditions were presented, and the predicted separation performances were compared with those from presented empirical models and experimental data.
结果表明,Barth经验公式在计算直径为305mm的Stairmand旋风分离器时的分级效率与实验数据吻合较好;而Iozia&Leith经验公式能准确地计算直径为152mm的Stairmand旋风分离器的分级效率;Cacal&Martinez及Dirgo经验模型计算的压力损失和实验数据吻合较好。
3.
Meanwhile,an empirical model relating influent SCOD to effluent SCOD and reactor height was established,and the empirical values of n and K with different hydraulic loadings were calculated according to a large number of data with the .
同时,根据大量试验数据针对2个反应器进出水SCOD随反应器高度的变化关系,建立一套经验模型。
2) experiential model
经验模型
1.
Based on the present study situation, the rheological constitutive models of rock and soil are sorted into four kinds: component model, yield sw-face model, endochronic plasticity model and experiential model.
基于岩土流变模型的研究现状，把各种流变模型分成４类：元件模型、屈服面模型、内时模型和经验模型。
2.
Based on the studied on the models of rainfall interception by forest canopy at present, three kinds of models (experiential model,conceptual model,theoretical model)are reviewed systematically.
根据国内外林冠截留模型的研究现状，系统地对３种类型的模型（经验模型、概念模型、理论模型）进行了述评。
3) Experience model
经验模型
1.
Four experience models t.
分析了预测喷流噪声水平的4种经验模型:Stone模型,Pao模型,SAE ARP-876模型及ICAO模型。
4) empirical models
经验模型
1.
Hwang et Liang in Shuozhou Region,Shanxi Province,correlation analysis method was applied,and empirical models for prediction of wood increments were established.
为了揭示树木生长特征与木材生长量(幼龄材、成熟材面积及心、边材面积)的关系,该文以山西朔州地区的小黑杨为研究材料,采用相关性分析方法,建立了基于树木特征因子的木材生长量经验模型,并对模型进行了弹性分析。
2.
However, empirical models of soil respiration typically use soil temperature, soil moisture and their interaction for large-scale soil respiration estimates.
然而,目前所使用的土壤呼吸作用经验模型通常利用土壤温度、土壤湿度或者两者的交互作用模拟土壤呼吸作用动态变化,但没有考虑生物因子的影响,这可能会导致明显的偏差和错误。
5) experimental model
经验模型
1.
On the basis of the industrial data collected by computer, system analysis and experimental modelling are carried out on the process of bearing steel VArDa refining in No.
经反复整理和处理,共对100项工艺变量做了定量的统计评价,在此基础上借助于逐步回归分析,对一些重要的指标给出了初步的经验模型。
2.
The paper briefly summarized mathematical models of PEMFC,meanwhile,those models were divided into experimental models and theoretical models according to their methods of modeling and characters.
对质子交换膜燃料电池(PEMFC)的数学建模进行了简要综述,根据这些数学模型建模的方法及特点将其分为经验模型和理论模型,分析了一些较为典型模型的特点及不足,最后提出PEMFC数学建模的重点和今后工作的方向。
6) semi-empirical model
半经验模型
1.
A semi-empirical model of permeate flux(J) of ultrafiltration membrane as a function of process time(t) was carried out based on the discipline of permeate flux variation in the process of soybean whey UF in which the permeate flux curve was divided into two periods as initial rapid decline period and relative slowly decline one respectively.
根据膜通量衰减的过程曲线,把超滤膜通量的衰减过程分为2个阶段,分别对应于快速衰减期、缓慢衰减期,建立了膜通量J随处理时间t变化的半经验模型,采用该半经验模型,很好地拟合了大豆乳清液超滤过程中膜通量衰减的过程,分析了超滤膜材料、膜截留分子质量(MWCO)以及切向于膜面的水流速度等条件下膜通量衰减的影响因素,结果表明对每一个通量衰减阶段,造成膜通量衰减的原因均不是某一种因素的单独作用,阶段1内膜通量衰减的原因不仅仅是吸附污染,还涉及浓差极化和膜孔堵塞作用,阶段2内膜通量衰减的原因受膜材料、膜MWCO和进水流速等多种因素的影响而各不相同。
2.
A semi-empirical model of a parasite system power of a fuel cell engine is developed by modifying the antitrigonometric function,and is verified by different test data.
分析了燃料电池发动机辅助系统功率的变化特点及其规律,并在试验研究的基础上,通过反三角函数进行改造,建立了辅助系统功率特性的半经验模型。
3.
This paper mainly researches on the semi-empirical model of municipal solid waste treatment.
对固体废弃物的气化处理半经验模型进行了研究。
补充资料：经验模型
分子式：
CAS号：
性质：不分析实际过程的机理，而是根据从实际得到的与过程有关的数据进行数理统计分析、按误差最小原则，归纳出该过程各参数和变量之间的数学关系式，用这种方法所得到的数学表达式称为经验模型。经验模型只考虑输入与输出而与过程机理无关，所以又称为黑箱模型。
CAS号：
性质：不分析实际过程的机理，而是根据从实际得到的与过程有关的数据进行数理统计分析、按误差最小原则，归纳出该过程各参数和变量之间的数学关系式，用这种方法所得到的数学表达式称为经验模型。经验模型只考虑输入与输出而与过程机理无关，所以又称为黑箱模型。
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参考词条