稳定性

To aim at the problems of drainaging heat oil circuit for MG-300 coal minning machinery unstability and inefficient.

针对MG-300采煤机排热油回路，稳定性低和效率低的问题，详述了改进措施，不仅提高了工作的稳定性，而且节能。

In order to make WRCRFs with good performance, the raw material fertilizers with smaller effects on HWAR such as urea, monoammonium phosphate and potassium chloride should be selected. On the other hand, for HWAR, high stability and adequate WAR such as polyacry lamide graft polymer should be needed.

制造性能优越的保水型控释肥，应尽可能选择对HWAR稳定性影响较小的尿素、磷酸一铵、氯化钾等原料肥料，对于包膜材料则应选择稳定性高且具适度吸水倍率的聚丙烯酰胺型HWAR。

The relative stabilities and probable proton transfer in isolated and monohydrated 2-hydroxyimidazole molecules have been studied in gas phase using ab initio (MP2/6-31＋G *) method.

采用从头算方法在MP2/6-31＋G*水平上研究了2-羟基咪唑分子在孤立分子和一水合物的异构体的相对稳定性和可能的质子迁移反应，分析了一个水分子的参与对2-羟基咪唑分子异构体的相对稳定性和质子迁移速率的影响，采用Monte Carlo模拟方法研究了反应体系在水溶液中反应的溶剂化效应。

Secondly, on the basis of elastic-plastic stability analysis, referring to the stability design method of monosymmetric section axially loaded compression members, equivalent slenderness of pin-ended circular steel arch subject to hydrostatic pressure are deduced from the expression of out-of-plane elastic buckling load.

在弹塑性平面外稳定性分析的基础上，借鉴单轴对称截面轴心受压构件的弯扭屈曲设计方法，提出以面外屈曲荷载对应的正则化长细比为参数进行面外稳定性设计的方法。

The numerical results show that our method is effective. For the noncharacteristic Cauchy problem for 2-D and 3-D heat equation, we give the explicit H\"{o}lder type stability estimates by using weighted energy method. Especially,H\"{o}lder type stability estimate for discrete solutions of the heat equation is obtained through a fully discrete method. The numerical results are presented.

对于二维和三维的热传导方程的非特征Cauchy 问题，我们利用权函数方法，给出了一个显式的H\&{o}lder 型的稳定性估计，特别的，对于二维的非特征Cauchy问题，我们利用充分离散的方法，对二维问题的离散形式同样给出了H\&{o}lder 型的稳定性估计，同时，我们也给出了数值例子来说明我们的估计。

Then the stability of nonparallel flow can be studied based on this characteristic of PSE.

由于稳定性方程作了抛物化处理，因而可以采用推进计算的方法进行求解，能够更有效地研究非平行流的稳定性问题。

The linear and nonlinear stability of different disturbances in parallel and nonparallel boundary layer are researched.

研究了不同情况下的扰动演化过程，特别是扰动增长因子的变化，这是稳定性研究的关键问题，还着重研究了非平行性和压力梯度对边界层稳定性的作用。

Based on parabolized stability equations , the stability of nonparallel boundary layer is calculated and analyzed by using recursion numerical method.

该文从抛物化稳定性方程出发，采用从上游往下游递推的数值方法，对非平行边界层稳定性问题进行了数值计算和分析。

We investigate detailedly the process of the c - type instability for nonparallel boundary layers with three - dimensional disturbances .

文中通过对三维物体的非平行边界层稳定性的研究，确定最不稳定波的扰动参数和最易失稳的流向、展向位置；对三维扰动的非平行非线性边界层稳定性的研究，得到更精确的扰动放大因子值。

Since the equation used to study stability is parabolized, the problem can be solved by the marching procedure. Then the stability of nonparallel flow can be studied based on this characteristic of PSE.

由于稳定性方程作了抛物化处理，因而可以采用推进计算的方法进行求解，能够更有效地研究非平行流的稳定性问题。

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。