稳定性

As a more complicated numerical example, a small stiffend flated metallic box subjected to shear loading on free-end is computed and analyzed, for its nonlinear and stable features of compressed panel and spar-web.

为此专门研究了一个小盒段的非线性稳定性特性，并单独取出上壁板和腹板单独进行非线性与稳定性分析。

A part of sliding mass of fording landslide submerges the water level with the operation of reservoir; and the stability factor of landslide has close connection with water pressure of slices below the water level when the transmission coefficient method is used to calculate the stability of landslide.

在水库运营过程中，水库涉水滑坡会有部分滑体没在水下，在采用传力系数法进行滑坡稳定性计算时，滑坡稳定性系数与水下条块的水压力紧密相关。

The aerostatic stability analysis of the gantries and main arch ribs under wind load is accomplished by ANSYS program. Firstly, the CFD module of ANSYS is used to compute the aerostatic force coefficients of arch ribs sections. And then, the static and stability analysis of gantries and main arch ribs under several construction statuses is completed.

门式膺架和主拱肋的静风稳定性分析利用ANSYS程序进行，首先通过ANSYS的CFD模块计算主拱肋断面的静力三分力系数，然后对门式膺架和主拱肋进行各种施工状态下的静力和稳定性分析。

Based on geomorphy and anthropo-factor that influence land use structure, D and S of 8 types is analyzed, and the result indicate that:(1) the complicated geomorphy is uppermost factor that influence fractal dimension of land use type;(2) the social economical level influence D and S of land use structure in a certain extent;(3) the average fractal dimension values and average stability indexes are integrative reflection of the land use structure of each region.

结果表明：(1)复杂的地貌类型是影响土地利用类型D 值和S值的最主要因素；(2)社会经济发展水平一定程度上影响土地利用类型的分维值和稳定性指数；(3)区域土地利用类型的平均分维值、稳定性指数的大小是土地利用结构的综合反映。

The results manifest that the concentration of glycocholic acid has satisfactory linear correlation whith peak area, regression equation: Y= 39579X + 57823,R2=0.9984;The lowest detected concentration is 0.02μg/mL with S/N=3 ; Average recovery rate is 98.49%; RSD为0.52%～2.00%in day, RSD为0.74%～4.98%between days;The average recovery rate is 99.35%, RSD is 2.24% in the first team, and it is 100.87%, RSD is 4.73% in the second team at the stability test. When the concentration of glycocholic acid was detected in the liver, kidney and brain tissue, corresponding tissue concentration was calculated by preparing the standard curve with the glycocholic acid standard preparation in vitro, but the result can only reflect the relative chang law of the concentration of glycocholic acid in tissue but not in real tissue. The result of tissue stability experiment is consistent with that of the serum experiment.

结果表明，在0.15625～10.0μg/ml范围内血清中甘氨胆酸浓度与峰面积呈良好的线性关系，回归方程Y= 39579X + 57823，R2=0.9984；以信噪比S/N=3为标准，最低检测浓度为0.02μg/ml；平均回收率为98.49%；日内RSD为0.52%～2.00%，日间RSD为0.74%～4.98%；稳定性试验第一组的平均含量为99.35%，RSD为2.24%，第二组的平均含量为100.87%，RSD为4.73%；测定了肝、肾、脑组织中甘氨胆酸含量，采用体外甘氨胆酸标准品制备标准曲线的方法计算了相应的组织浓度，其结果仅反映组织中甘氨胆酸浓度的相对变化规律，不能体现真正的组织浓度值，但对组织样品的稳定性进行了较细致的考察，其结果和血样结果基本一致。

Based on the systematic study of fault gouge characteristics (such as minerals component, granulometric composition structure and fractal, maturity, present activity and topotaxy by the SEM), a new way using microscopic and quantitative characteristics of fault gouge is put forward to evaluate the aseismatic problem and the fault resistance problem of concealed fault.

基于断层泥的特征（矿物组分、粒度成分结构和分形、成熟度和目前活动度和SEM特征等）的系统研究，探讨和提出了以断层泥的显微和定量特征来评价隐伏断裂的抗震和抗断难题的新思路和方法，并在镇扬大桥工程区域稳定性评价实际应用中取得了良好的效果，这对建在断裂带上的特大型桥梁工程的稳定性评价具有重大意义。

A suspension of carbon nanotubes as a nanofluids was prepared by dispersing carbon nanotubes into deionized water. The effects of several typical kinds of surfactants such as sodium dodecyl benzene sulfonate, hexadecyl trimethyl ammonium bromide and emulsifying agent OP on the stability of the nanofluid were studied by stationary and centrifugal tests with sample morphologies characterized by SEM and TEM.

在水中加入碳纳米管制备了含碳纳米管悬浮液，研究了几种典型类型的表面活性剂：十二烷基苯磺酸钠、十六烷基三甲基溴化铵及乳化剂OP对纳米流体稳定性的影响，通过静置和离心分离等手段研究了其稳定性，并采用扫描电子显微镜和透射电子显微镜对样品的形貌进行了表征。

This paper studies the exponential stability of cellular neural networks with time- varying delay by making use of the homoeomorphism theory, the idea of vector Lyapunov function, M- matrix theory and inequality - technique, offering the grounds for uniqueness of equilibrium point existence and the global exponential stability and estimating the exponential convergence rate index.

利用同胚映射理论、向量Lyapunov函数思想、M-矩阵理论和不等式技术，研究了具有变时滞的细胞神经网络模型的全局指数稳定性，给出了判定平衡点的存在唯一性以及全局指数稳定性的一个判据，并且估计了收敛速度指标。

Extraction of edible red pigmengt from solanum nigrum fruit by optimum seeked process conditions, determined single factor condition, designed orthogonal layout, and measured absorbance at 527nm wavelength, weighed up the pigment extracting effect and stability. The most favoured extracte conditions were determined as follows: The extracting regent was citric acid hydrotropic solution, pH was 1.72, the quantities of added sample to the solution was 3.35g/100mL, the temperature was 60℃, the extracting time w...

以成熟的龙葵果为原料提取食用红色素，通过优化工艺、确定单因素条件、设计正交试验，以527nm波长的吸光度值衡量色素提取效果和稳定性；最优化的提取条件为：柠檬酸水溶液提取剂pH为1.72，样品加量3.35g/100mL，提取温度60℃，浸提时间60min；龙葵红色素提取液长期接触光、空气和Fe3+，稳定性下降，因此，在提取、干燥和储存时要尽量避免长时间接触光和空气、避免与铁制容器直接接触。

Flow inside hydroturbine has great influences on its energy characteristics as well as unit stability. In particular, the vortex in the draft tube is an important factor which affects unit stability. Therfore, the research of flow in the hydraulic draft tube is continuouly receiving everbodys attention.

水轮机内部流动，不仅对其能量特性有重要影响，对机组的稳定性也有严重的影响，尤其是尾水管内的旋涡流动更是引起机组稳定性的重要因素，因此，水轮机尾水管内的流动研究一直受到大家的重视。

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。