本文讨论了物理化学中的几种研究方法，如科学抽象法、理想模型法、本质揭示法、极限外推法、相对数值法和控制变量法等。
This paper discussed a few research method about physical chemistry, such as scientific abstract, ideal mode, essential show, limit inference, relative number, variable control and so on.
运用平均开关建模法，建立非理想PWM开关的非线性大信号平均模型，包含全部寄生电阻和二极管的正向压降。
Using the averaged switch modeling approach, a non-linear large-signal averaged model of non-ideal PWM switch is derived, taking into account all parasitic resistances and threshold voltage of diode.
依据多目标决策理论，在理想点模型中应用类综合指数法来对水质进行评价。
According to the multi-objective decision theory, the class synthetic exponent method has been set up and used to evaluate the water quality in the ideal point model.
研究表明，用静脉袋移植法建立动脉瘤模型的方法手术成功率高，并发症少，是一种较理想的方法。
The results demonstrate that construction of aneurysmal models by anastomosing the venous porches is a ideal method with a highly successful rate of surgery and fewer complications.
建立基于逼近理想解排序法的多判据决策模型（MCDM），解决了多种方法评价结果不相容的问题。
Multi-criteria decision model (MCDM) based on approaching ideal solution was established to solve the incompatible problem of different results.
利用有限元法，采用弹性理想塑性模型，对受对称面外弯曲的内压弯管进行循环塑性分析。
Cyclic plastic strains are analyzed for the pressurized elbow subjected to symmetric out-of-plane bending with finite element method (FEM) and the assumption of elastic-perfectly plasticity (EPP).
文中还对理想的脑损伤模型制作方法进行了展望，认为液压损伤法是目前较为可行的方法之一。
The author also pointed out the advantage or disadvantage and application of each method, prospected for the ideal method and considered the fluid percu…
结论：基因转染法是建立人膀胱癌多药耐药细胞模型的理想方法。
Conclusion: The establishment of MDR cell lines by gene transfection is an ideal method.
结论：袖套法建立小鼠→大鼠颈部异位心脏移植模型操作简便、易于观察、稳定可靠，是研究异种移植较理想的动物模型。
To establish a model of mouse-to-rat cardiac heterotopic xenotransplantation in neck by modified cuff technique and observe the dynamic changes of pathologic features in xenografts.
然后通过建立改进TOPSIS（逼近于理想解排序法）模型得到了测控资源优先级的设计方法。
The reformative TOPSIS model for priority calculation was carried out and its calculation steps were given.
然后通过建立改进TOPSIS（逼近于理想解排序法）模型得到了测控资源优先级的设计方法。
The reformative TOPSIS model for priority calculation was carried out and its calculation steps were given.
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