导出方程

The grinding dynamic featurea of two converter steel slags,naturally cooled and water-granulated,have been comparatively studied using cement ball mill as grinding device in this paper.

针对冷却方式不同的二种转炉钢渣，采用水泥试验球磨机进行微细粉制备，分析比较了两者的粉磨动力学特性，导出了各自的粉磨速度方程。

The Update Lagrangian formulations of deck beam finite element in transverse stripe are induced based on the three-dimensional continuum virtual work incremental equilibrium equation, and the effect of large deformation is taken into consideration.

基于三维连续体的虚功增量方程，导出了横向条带板段单元的UL列式，并考虑了板段单元位形变化的影响。

For general periodic functional differential equations,the suffcient conditions for the existence of periodic solution are obtained,therefore,the existence of positive periodic solution to the chemostat model is verified.

对一般的周期泛函数微分方程，导出了周期解存在的充分条件，并由此获得了微生物培养模型正周期的存在性。

Based on ion exchange equilibrium,the influence of eluant concentration and resin capacity on adjusted retention volumes was examined.

导出了测定离子交换反应热的方程，测定了在碳酸钠溶液中在季铵二型强碱性阴离子交换树脂上F－、Cl－、NO－2、HPO42－、Br－、NO－3和SO42－的离子交换反应热。

The input - output disdlacement equations of the spatial mechanisms can be derived conveniently with the dual invariant equalities presented in this paper.

使用文中提出的对偶不变量等式，可以方便地导出空间机构输入输出位移方程。

This current is extra high and exceeds the permitted value of 10 % error curve of protection current transformer.It will affect the performance of relevant protection equipment.

文中以n次曲线模拟TA铁心饱和时的非线性磁化曲线，由此导出TA回路的非线性微分方程，并采用数值方法计算出在典型暂态短路电流作用下的TA二次电流波形。

In this paper the curved spine box girder was taken as a research object,and the shear displacement difference function of large flange plate was put forward.

以曲线脊骨箱梁为研究对象，提出了长悬臂板的剪切位移差函数模式，建立总势能表达式，并应用变分原理导出求解曲线脊骨箱梁剪力滞的基本微分方程和边界条件。

A theoretical analysis of local damage in a thin ductile tube hit by a flat-nosed missile laterally is developed to predict local failure due to plugging by the beam-on-foundation model. The effect of internal press was considered, and differential equations was obtained which can predict the ballistic speed of the missile which impact the tube filled with water. It can be solved by Runge-Kutta method.

采用地基梁模型对平头弹体侧向冲击钢管的冲塞型破坏模式进行了理论分析，考虑了充压情形下内压的影响，导出了钢管在冲击过程中的运动方程，可以用龙格—库塔法进行数值求解来确定弹体冲击充液压力管道的弹道极限速度。

Analysis of tube-in-tube structure of variable cross-section in torsion;2. By assuming the structure to be continuous,the Hamiltonian dual system of coordination analysis is established for tube-in-tube structure s,in which the shears and flexures of the inter and the outer tubes are considered as Timoshenko beams.

在结构连续化假定的基础上，将内筒和外筒视为铁摩辛柯梁，同时考虑内筒和外筒的剪切与弯曲变形，建立了筒中筒结构协同分析的哈密顿对偶体系，导出了相应的状态空间方程，其系统矩阵具有辛矩阵的特性，可用精细积分法求该体系的高精度数值解。

In this paper, an equation descriping Proca light traveling in gravitional field is derived.

本文在导出Proca光线在引力场中的传播方程后，以球对称引力场以及平面引力波分别作为静态和动态引力场的例子，计算了有质量光子对应的光线偏折与频移。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。