近似方法

Based on migration of BHT to simulant food, the accuracy of the method was demonstrated successfully.

以BHT向模拟食品的迁移为例，验证了该近似方法的准确性。

In traditional methods of design of sound barriers, the wave theory of sound is used widely.

在传统的声屏障设计中，多采用的是基于波动理论的近似方法。

In this paper a preliminary numerical simulation method of how to deter -mine the spherical detonation wave position with moving tracer particles is introduced.

本文介绍了一种用示踪点的移动来确定球面爆轰波位置的HELP数值计算的近似方法。

In this paper, we use a stochastic approximation to calculate and approximate to the true values of mean lifetimes which are the important components of a masked system.

本论文使用随机近似方法去逼近遮蔽系统中重要元件平均寿命的真实值。

We design a heuristic rule for retailers to decide whether to transfer their stock or not, and provide an approximate technique to evaluate the transfer policy in this system.

我们设计一个启发式规则，可以用於让售商决定是否要转运他们的库存，并提供一个近似方法评价本文所提出的系统中的转运策。

Structural natural period s are important indexes to reflect on absorbed seismic energy, a formula for structural frequency is deducted according to variation principle in this paper, various ap.

结构自振周期是直接反映结构吸收地震能量多少的重要指标，本文基于能量变分原理推导了结构频率的计算公式，介绍了工程中计算结构自振周期常用的几种近似方法，讨论了影响结构自振周期的主要因素。

Based on frozen soil creep tests,yield stress limit is approximately determined by means of experimental tautochrone at first.

在大量冻土蠕变试验的基础上，用等时曲线近似方法确定了冻土的屈服极限，建立了多种粘弹性和粘弹塑性流变模型，采用非线性最小二乘法反演了冻土流变参数，并基于简单性和精确性原则，建立了冻土模糊优选模型。

The impulse response on even velocity model and simple lateral variable velocity model shows that the symplectic method can decrease the frequency dispersion and adapt to the lateral velocity variation.

脉冲响应的计算也表明文中的近似方法具有降低频散效应和适应横向变速的能力。

Moreover, the variation method should be more simple than the other methods.

不过，变分法比其它的近似方法要简单的多。

A Novel Method for Intrinsic Viscosity Determination of Polymer SolutionThere are many methods for molecular weight determination of polymers, among which viscometry is used most, it has been broad applied both in production and scientific research. This method is easy to operate with simple instruments and is applicable for broad-range molecular weight, additionally, it has high precision.

在许多情况下，常需要对同种类聚合物的特性粘度进行大量重复测定，如果都按此法操作，每个样品至少要测定3个以上不同浓度溶液的相对粘度，这是非常繁琐的，而且需时较长，尤其在所得样品量极少的情况下，就难以用此法求得高聚物溶液的，为此，人们找到了更快速的近似方法，即"一点法"。

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。