节线

In this paper, an incidence matrix of nodes and lines matching the actual distribution networks is established, which is created automatically by computer.

本文建立了与实际配电网节线图相对应的节点与线段关联矩阵，给出了一种简单的计算机自动生成方法。

The method in computer clsed befone is the method of nodal line. The method is appropriate if the computing procedure is separate from CAD procedure. But if they are integrative the method isn't appropriate.

以前的桥梁混凝土构件电算办法是节线法，这在结构计算程序与CAD程序是分开来时是合适的，如果CAD程序与结构计算程序合为一体时，节线法就不合适了，因为CAD程序的几何元素是用参数表示的[1 ] 。

In the study, we have found that when the long axis of an elliptical transducer is 2.5 times of the distance between nodal line and the plate center under free boundary condition, the depth of the first dip in mid frequency range of SPL spectrum can be greatly reduced.

从这些关系中可以得到激振器长轴是在自由边界条件下，节线到振动板中心距离的2.5倍时，中音谷会得到比较平缓的结果。

Given the same area, when a patch is cut into two segments and set each segment at the edge of plate in the width direction and symmetrically along the modal nodal line y=W/2, using MCLD treatment can produce better damping than PCLD treatment.

分析表明，在覆盖面积相同时，将阻尼块沿x方向等分为2块，将每块放置在板的宽度方向的边部，并沿模态节线y=W/2对称，可使MCLD获得更好的阻尼改进效果。

For plates with same thickness and material constants but different aspect ratios, we have studied how the distance from the nodal line of the first bending mode to plate center and the size of transducer affect the depths and locations of the first dips in mid frequency ranges of the plates' SPL spectra.

讨论在振动板厚度、材料常数固定不变的情形下，藉由改变振动板长？i比及激振器尺寸，来找出第一个弯曲模态图中节线到振动板中心距离与中音谷声压落差值、位置之间的关系。

The effect of nonsolvent/solvent interaction parameterx_(12 on the binodal curve is relatively complicated.

而非溶剂/溶剂之间相互作用参数x_(12)的变化对相图双节线位置的影响比较复杂。

When No. 3 oil is used, put in 3000rpm, 8. 59Nm, the gear surface has an obvious plastic flow, an obvious groove is found on pitch line of the driving gear , an obvious edge is found on pitch line of the driven gear . The operating surfaces of both driving gear and the driven one is high in smooth finish, no pitting. Through the analysis on the gear surface only based on the gear in experiment with No.

实验的结果为：ISOVG68机械油作润滑油时，在输入3000rpm，5.96Nm时，齿面发现沿节线出现大面积的点蚀，且齿面有塑性变形；以3#油为润滑油时，在输入3000rpm，8.59Nm时，齿面发生了明显的齿面塑性流动，主动轮在节线处出现明显的沟槽，从动轮在节线处出现明显的棱脊，大小齿轮工作齿面均十分光洁，未发现点蚀现象发生。

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Based on the Flory-Huggins theory, the binodal, spinodal and critical point equations for polymer-solvent-nonsolvent system are derived in detail.

以Flory-Huggins理论为基础，详细推导了聚合物－溶剂－非溶剂三元聚合物成膜体系的双节线、旋节线和临界点求解方程，提供了方程的求解方法。

This results in a higher possibility for the components to enter the unstable demixing gap after the rapid phase separation of the system has taken place.Therefore,a bicontinuous structure is easily formed for CA membrane. For the systems of ScCO_2/toluene/PSt and ScCO_2/solvent/PVB,the increase of temperature or decrease of pressure leads to the binodal curves shifting toward the polymer/solvent axes,and thus results in the decrease of miscibility gap.The membrane toplayers of ScCO_2/solvent/PVB systems are dominated by the equilibrium thermodynamics,while the formation of membranes sublayers is the result of the combination of the equilibrium thermodynamics and membrane formation kinetics.

以下时由双节线、旋节线之间构成的亚稳互溶分相区很窄，使得该体系在快速分相后其组成变化进入旋节线内不稳分相区的可能性极高，从而易导致CA膜形成双连续结构；温度升高或压力减小均可导致ScCO_2/甲苯/PSt与ScCO_2/溶剂/PVB两种铸膜体系的双节线向聚合物/溶剂轴一侧靠近，均相区减小；ScCO_2/溶剂/PVB体系的膜表面结构形成主要受平衡热力学过程的控制，而膜的截面结构是其平衡热力学与扩散动力学共同作用的结果。

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。