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A novel method to prepare polyrotaxane in solution by α-cyclodextrins and dumbbell-like poly derivative with reversible acylhydrazone bond and big end stopper (2',4-dinitrophenyl) is described.

合成了具有可逆酰腙键的2，4-二硝基苯甲醛封端的哑铃型聚乙二醇衍生物。

Based on the Jiles-Atherton model, the dynamic hysteresis loss model of the transformer core considering the classic eddy current loss and abnormal loss is developed, which is suitable for all the reasonable coefficient of reversible magnetization and adopting the flux density as entry variable.

该文在Jiles-Atherton基本磁滞模型的基础上，从能量平衡原理出发，考虑铁心在交流状态下的涡流损耗和异常损耗，建立了合理可逆磁化系数条件下，以磁通密度作为输入量的铁心动态磁滞损耗模型。

Elastic scattering of 〓 and 〓 with proton using reversible kine-matics is studied.

论文讲述了采用逆运动学方法用放射性核束〓和〓与质子弹性散射的实验准备、设计方法、实验情况、实验数据处理。。。

The chain-condensation reaction and its reversible reaction are the key controlling elementary reactions of the copolymerization mechanism for the studied system,while the chain initiation elementary reactions are not the key controlling elementary reactions of the copolymerization mechanism for the studied system.

其中，链引发及其逆反应对D4/APAEDMS的本体共聚反应没有直接调控作用，而链缩合及其逆反应是本体系反应机理不同于纯活性阴离子聚合或逐步聚合反应机理的关键原因。

We believe it is important to diagnose MBD because it is a potentially reversible encephalopathy .

我们认为重要的是早期确诊轻微脑功能失调，因为它是一种潜在的可逆性脑病。

The changes of enthalpy and Gibbs free energy were computed at B3LYP/6-31G* and B3LYP/6-311＋G* levels of theory, suggesting that the selected model reactions should be endothermal and approximately reversible.

在B3LYP/6-31G*和B3LYP/6-311＋G*水平上进行了各化合物的能量计算，得到了所设计的各模型反应的焓变和吉布斯自由能变。

Grasp and understand terminologies and concepts of Engineering Thermodynamics, such as thermodynamic system, state property, equilibrium state, state properties diagram, equation of state, quasi-static process and reversible process, etc.

理解和掌握工程热力学中的一些术语和概念：热力学系统、状态参数、平衡状态、状态参数坐标图、状态方程式、准静态过程、可逆过程等。

Basic contents: equilibrium state, state properties diagram, state postulate, equation of state, quasi-static process and reversible process, etc.

基本内容：平衡状态，状态公理与状态方程式，准静态过程和可逆过程，热力过程、热量和功量，热力循环等

The observational data can only identify an equivalence class of DAGs, so we must perform intervention experiments to determine the directions of reversible edges from experimental data.

然而，仅有观察数据只能识别出DAG的一个等价类，而不能唯一确定其中的一个DAG，因为可反向边的方向不能确定，所以，必须进行干预实验。

We analyse the Lewy theorem and the provement idea of the theorem, and find the equation (7)and (8)are not equivalent under the reversible transformation, this lead to the absurdity in the provement does not come into existence .

分析Lewy定理及定理的证明思想，发现在证明中所述的可逆变换下，方程（7）与（8）并不等价，导致Lewy定理证明中归谬不成立。

In this paper, the requirement analysis, design and implementation of the system are introduced in detail.

此论文详细介绍了系统的需求分析，系统设计和具体实现。

In the context of economic globalization is increasingly deepening, China's economy can not be spared.

在经济全球化日益加深的背景下，中国经济不可能做到独善其身。