变热

The results showed that the flow behavior of 2124 aluminum alloy was described by the hyperbolic sine constitutive equation, and an activation energy of 170.13 kJ/mol was calculated.

结果表明：2124铝合金热变形过程中的流变应力可用双曲正弦本构关系来描述，平均激活能为170.13 kJ/mol。

According to the definition of hyperbolic sine, flow stress constitutive equations of T122 and T91 steels had been developed.

根据双曲线正弦函数的定义，建立了T122钢和T91钢热变形条件下流变应力双曲线本构方程的显式表达式。

The function between stable flow stress and strain rate, temperature can be expressed more suitably by the Arrhenius relationship modified by hyperbolic sine function, which means that the hot compression deformation is controlled by thermal-activation.

双曲正弦函数形式修正的Arrhenius关系可以更好地描述稳态流变应力和应变速率、变形温度的关系，表明该材料的热压缩变形是受热激活控制的。

The flow stress increases with increasing the strain rate, and decreases with increasing the deforming temperature, which can be described by a constitutive equation in hyperbolic sine function with the hot deformation activation energy of 209.84 kJ/mol, and can also be described by a Zener-Hollomon parameter.

该合金热压缩变形的流变应力行为可用双曲正弦形式的本构方程来描述，也可用Zener-Hollomon参数来描述，其变形激活能为209.84 kJ/mol。

By introducing non-relativistic, adiabatic and quantum approximation to NLCMEs in the FBG with hyperbolic tangent apodization, and assuming the soliton as a particle with low velocity and invariant energy, the track equation of soliton is obtained.

利用双曲正切中间变迹光栅中的NLCME，引入非相对论-绝热-准量子近似法，将光栅孤子作为一个低速运动且能量守恒的整体进行分析，得到了孤子的轨迹方程。

An M operation is constructed in η-ξ spacetimewhich maps the system in region Ⅰ of the Lorentzian section onto the system inregion Ⅱ. The M operations on the fields lead to properties identical to those ofthe tilde operation.

在η-ξ时空中可以构造一个M变换，它将洛伦兹截面上一区中的系统变至二区中的系统。M变换对场的作用的性质正好等同于热场动力学中带弯变换的性质。

In the last part, we analysis the disadvantage of the system and the sources of errors.

本文着重阐述了笔者对绝热温变测试系统的改造方案，分析了改造后系统测试的精确度及自动化程度，并分析了误差来源及系统需进一步完善的地方。

However, because of its metastable characteristic and inaccessibility for direct-contact measurement, the specific heat capacity of supercooled metallic liquids is difficult to be completely determined by experiment.

由于深过冷态是一种极易发生相变的亚稳态，因此通过实验获取深过冷液态金属的热物理性质有些是不可能的，有些则是非常困难且代价昂贵的。

In a multi parallel connection electroosmotic pump, the flux of a pump can also be elevated by increasing the progression of an electroosmotic pump or applied voltage.

在这一体系中，尽管输液量的叠加有利于其在更为广泛的领域中应用，但是因Joule热产生的电场强度与电渗流速度线性关系的偏离也使得其线性范围变小，不利于操作条件的控制。

Two types of low carbon weathering steel with different Mn content were produced in vacuum induction furnace.

在真空感应炉冶炼了2炉不同锰质量分数的低碳耐候钢，利用热模拟机和金相显微镜分析了其组织特征和相变规律，并通过室温拉伸、冲击实验且结合断口分析表征了实验钢的强韧性。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐