数学模型

Epidemic ; mathematical model ; threshold ; basic reproductive number ; nonlinearity ; high dimensional differential system ; global stability ; orbital asymptotical stability

流行病；数学模型；阈值；基本再生数；非线性；高维自治微分系统；全局稳定性；轨道渐近稳定

Projective deformation ; railway surveying ; independent coordinate system mathematical model

投影变形；铁路测量；独立坐标系；数学模型

Optimizing disposition ; queuing theory ; random process ; mathematical model ; maintenance

优化配置；排队论；随机过程；数学模型；维修

Measuring ; mathematical model ; slide valve ; grinding-in parameters

测量；数学模型；滑阀副；配磨参数

Hybrid Dynamic; time-varying systems; finite horizon; optimal control; Quasi-Variational Inequality; viscosity solution; lower semicontinuous solution; uniqueness; Dynamic Programming; Viability Theory; inventory systems; mathematical model; proximal subdifferential; parabolic equation; nonlinear boundary

基础科学，数学，控制论、信息论混合动态；时变系统；有限时间；最优控制；拟变分不等式；粘性解；下半连续解；唯一性；动态规划；生存定理；库存系统；数学模型；邻近次微分；抛物型方程；非线性边界

Kappa number ; sulfite cooking ; sulphite cooking liquor ; visible light ; mathematical model

纸浆硬度；酸法制浆；蒸煮液；可见光；数学模型

Air cushion surge chamber ; numerical modeling ; water hammer pressure ; model test in vacuum tank

气垫式调压室；减压模型；数学模型；水击压力

Turbojet engine ; main fuel control system ; rotational speed control system ; mathematical model ; simulation

涡喷发动机；主燃油系统转速控制系统；数学模型；仿真

Percussive drilling ; rotary drilling ; penetration rate ; wave theory ; rock mechanics ; mathematical model ; force analysis

冲击钻井；旋转钻井；机械钻速；波动理论；岩石力学；数学模型；受力分析

Calciner ; flow ; mathematical model ; numerical simulation

分解炉；流场；数学模型；数值模拟

Objective:To explore the feasibility of laparoscopy in diagnosing and treating of abdominal diseases.

目的：探讨腹腔镜用以诊断腹部外科疾病及选择治疗方案的可行性。

The lifetime of nylon 1010 and nylon 1010/POSS composites decreased with increasing temperature.

热重-红外联用分析表明尼龙1010在氮气气氛下的降解产物主要为小分子的低聚物，POSS并不改变尼龙1010降解产物的组成。