数学模型

但是很快，我建立了一个新型的数学模型，从本质上量化了这些环境污染物对哮喘病人肺部健康的影响。

But soon after , I developed a novel mathematical model that essentially quantifies the effect of these environmental pollutants on the lung health of asthmatic patients .

接下来，科学家创建了一个平面数学模型来模拟袋熊肠道各区域是怎样随着消化的节奏收缩和扩张并经过数天时间将便便塑造成立方体的。

Scientists then created a 2D mathematical model to simulate how these intestine regions contract and expand with the rhythms of digestion12 , over multiple days , shaping the poop into its cuboid shape .

做出这种系统的数学模型是可能的。

It is possible to model such a system mathematically .

科学家们建立了一个基于数学模型的预警系统。

Scientists have built an early-warning system based on mathematical models ．

为了找到答案，科学家们建立了食物网的数学模型，记录下食物链的前后者以及前者的食用量。

To find an answer , scientists have built mathematical models of food webs , noting who eats whom and how much each one eats ．

数学模型也揭示了食物网可能是不稳定的,食物网中顶级捕食者的微小变化会对整个生态系统产生巨大影响。

Mathematical models have also revealed that food webs may be unstable , where small changes of top predators can lead to big effects throughout entire ecosystems ．

用MATLAB对中频感应加热炉数学模型进行仿真实验。

The medium frequence heating furnace mathematical model is simulated by Matlab .

目的：建立Logistic随机数学模型。

Objective : To set up Logistic random mathematical model .

工业编组站MIS决策支持若干问题的数学模型

Mathematics Models of Some Decision Support in Management Information System at Industry Marshalling Yard

通过建立数学模型和编写MATLAB语言文件，确定中速磨传动系统的最佳传动方案。

The mathematical model is established and the MATLAB language file is programmed to determine the optimal design of the transmitting system of mid-speed mill .

MOCVD反应器的数学模型及其数值模拟

Mathematics Model and Numerical Analysis of the MOCVD Reactor

利用GIS网络分析技术、数学模型并结合传统的优化解法，设计了基于GIS的城市物资运输最优化配置的设计方案。

The approach , which combines GIS network analysis , mathematical model and traditional optimum method , is used to design the optimum distribution schema on goods transportation .

根据数学模型确定压差、输出转矩受工质蒸汽质量流量的影响，并设计流量控制器PID。

According to the mathematical model to determine the pressure difference , the output torque by refrigerant vapor mass flow , and design the flow controller PID .

导出故障原因计算模型和故障诊断数学模型，并采用改进的5层BP模糊神经网络求解。

Calculation model of fault causation and mathematical model of fault diagnosis was educed , these models were calculated with improved BP fuzzy neural network with 5 layer .

采用相对因子技术，建立了药芯焊丝CO2焊焊道的几何尺寸和形状关系的数学模型。

By adopting relative facter technology , the mathematical model for the bead-size and geometrical dimension of CO2 arc welding with flux-cored wire is established .

建立了颗粒物料在转筒干燥器内运动的数学模型，推导出了滞留时间的计算公式，用VB语言编制了计算程序。

On the basis of the mathematical model , the equations of residence time were derived , and it was simulated by VB program .

基于净干伸长的MAG焊接数学模型与工艺参数控制

Mathematics Model and Process Parameters Control Based On the Genuine Length of Wire in MAG

按照我们在文献[1]中给出的辐射诱发含修复DNA主链断裂随机动力学理论数学模型，在此基础上，本文进一步导出了两种不同形成过程的双链断裂变化规律。

According to our stochastic dynamic theory of DNA 's strand breaks with repair induced by irradiation given in the literature [ 1 ] . some theoretical results are given in this paper .

通过实验研究，建立了可以在工程设计中实际应用的形状记忆合金螺旋弹簧载荷P、位移δ、温度T之间的数学模型。

A mathematical model with parameters ( spring load P , displacement δ, and temperature T ) is established through experiment , and can be practically used in the engineering design of shape memory alloy helical spring .

通过Matlab，基于各个模块数学模型的基础上，论文还对自动找平控制系统进行了仿真，验证了其正确性。

With the help of MATLAB , and based on the mathematic model of each module , the paver 's automated leveling system is emulated , and its correctness is verified .

文章讨论了以工时及成本最低为优优目标的FMS中设备单列式优化排列的数学模型及其建立原理；

The paper discusses the model and principle of single-row machine layout , taking the lowest time and cost as the objection ;

应用Euler理论的多相流体模型，建立了剩余推进剂排放气-粒两相湍流流动的数学模型；

The mathematic model of turbulent gas-particle flows of remained propellant space emission is established by applying multi-phase fluid model of Euler theory .

结合计算机视觉技术和CCD测量原理，给出了一种运动目标姿态参数的测量方法，并推导了目标姿态测量的数学模型。

Optical measurement for attitude parameters of moving targets based on computer vision principle and CCD technology is presented . The attitude algorithm is deduced from the system model .

建立了相应的数学模型，用CFD软件模拟了在热压作用下冷库门的气体流动，比较了计算值和模拟值的大小。

The mathematical model is set up and the velocity of air flow is simulated with CFD software . The calculated value is compared with simulated value .

新型高分子多孔小球的研究多孔高分子载体AFB反应器数学模型的建立

Set of Mathematical Model of Anaerobic Fluidized Bed Reactor with Porous Polyacrylate Supports

差分SPV法测量a-Si：H材料少子扩散长度的数学模型

The mathematical model of the differential SPV technique for measuring minority carrier diffusion length of a-si : h film

分析了空调控制对象的数学模型和动态特性，用规则自调整的模糊控制方法和参数自调整模糊PID方法进行了仿真，均与普通PID对同一对象的仿真进行了比较。

The analyses of mathematic model and dynamic characters of air-condition control system . The simulations using rule-adjust fuzzy control and mixed parameter self-tuning fuzzy PID control are compared with a common PID control .

RH-MFB精炼过程脱碳数学模型及工艺研究

Mathematical Model and Technology of Decarburization in RH-MFB Refining Process

文中对UPFC的发展现状、基本工作原理及数学模型进行了阐述，并与FACTS其他控制装置在功能和结构上进行了比较。

The development , present status , principle and model of UPFC are explained detailed , and UPFC has been compared with other controllers of FACTS in function and structure .

用数学模型法研究了细胞间液中Gd（）对Ca（）物种的影响，并利用人工神经网络方法估算配合物稳定常数。

The effect of Gd (ⅲ) on Ca (ⅱ) species in human interstitial fluid was studied by mathematical model method . Meantime artificial neural network was applied to the estimation of lg β value of some complex .