非有效的

Using three dimensional inharmonic element and the modified subspace iteration scheme for calculating dynamic characteristic of the shear wall, and using plane stress element and Newmark and Newton-Raphson method for calculation of seismic behaviors of shear wall under earthquake loads.

采用三维非协调实体元及改进子空间迭代方法计算剪力墙的特征对；采用平面应力单元并利用Newmark法与Newton-Raphson法相结合的方法计算剪力墙在地震荷载下的地震反应，并用FORTRAN77（F90）语言编制了相应的计算程序和前后处理程序，经计算验证程序是有效的。

It has perfect localizable characteristic in both time and frequency domain, the charater istic of instantaneous signal could be well reflected, furthermore, an efficient analysis is to be supplied in diagnose the mechanical fault of non-smooth signals.

小波变换是一种日益获得广泛应用的信号分析方法，它在时域和频域同时具有良好的局部化特性，能够很好地反映瞬态信号的特征，为诊断以非稳态信号为特征的机械故障提供了有效的分析手段。

For the first time, enantiomers of C2-symmetric 1,1 -spirobiindane-7,7'-diol were resolved with crude menthyl chloroformate by phase-transfer catalysis in the presence of tetrabutylammonium bromide. The reaction was carried out at 0℃-rt. The diastereomers of SPINOL bis-menthyl carbonate can be separated by simple crystallization using alcohol. The hydrolysis of the diastereomers was carried out via aqueous NaOH/EtOH solution.

首次通过相转移催化的方法对螺双二氢茚二酚进行了有效的拆分，用L--氯甲酸薄荷醇酯做拆分剂，以四丁基溴化铵为催化剂在0℃-室温下进行酯化反应生成非对映体衍生物，以乙醇作溶剂，通过重结晶的方法分离衍生物，在水-乙醇混合溶剂条件下，用强碱NaOH或KOH分别水解，制得相应的光学纯度大于99%ee的两个异构体SPINOL，其中总收率：--SPINOL，78.2%；--SPINOL，80.6%。

The use of noncontinuous spray mode allows the use of a sprayer with a larger orifice thus alleviate the problem of column clogging during conductive coating and CE analysis.

为了解决上述因为喷头口经缩小所导致的问题，使用与分离管内径ㄧ样的喷头口径做电喷洒，再利用非连续性的电喷洒法以有效的增加喷洒流速到最佳流速。

Lifestyle intervention is the most effective means of health maintenance, control of noninfectious chronic disease and subhealth, but in the traditional way of lifestyle intervention faces many of the problems, and did not get the desired results.

生活方式干预无疑是维护健康、控制慢性非传染性疾病与亚健康最有效的手段，但传统的生活方式干预途径当前面临着诸多的问题，而且也没有取得理想的效果。

attention be paid to the infection of nontuberculous mycobacteria in cattle and further study on its toxicity and its influ-ence on humans be carried out in order to formulate effective control measures and protect the health of people.

非结核分支杆菌在牛中存在的现象应引起重视，其毒力对人类的影响应进一步研究，以便采取有效的措施，保护人群的健康。

For this new method takes the local information to evaluate the clustering result, it will be appropriate for both the spherical data and the data with irregular structures. Further more, it has no addition request for the clustering algorithms and it will be applicable for most partitional clustering algorithms.

基于这个原理，这个新的指标既能适用于球型数据集，也能够适用于非规则形状的数据集，而且它对聚类算法本身也没有额外的要求，对于大部分的划分聚类算法都是有效的。

Through the comparison of calculation results of two methods in the uniform and the non-uniform inflow, it is found that the results by two methods are very close. The calculation results by two methods are compared with open water test, and the agreement is well. The two methods can both perfectly simulate the hydrodynamics performance of podded propeller, and the method of induced potential needs less program work and can save a great deal of calculation time and memory space. It is a simpler and effective method to calculate hydrodynamics performance of podded propellers and other combined propulsions.

经过用两种方法对均匀来流和非均匀来流条件下水动力性能的计算比较，发现两种方法的计算结果很接近，并与模型试验结果吻合得很好，但用诱导速度势的方法编程工作量较诱导速度方法少，而且还可节省大量的计算时间和存储空间，是一种计算吊舱推进器和其他组合推进器水动力性能相对简单而且有效的方法。

It can effectively describe the memory and transmissibility of many kinds of material,and plays an increasingly important role in physics,mathematics, mechanical engineering,biology,electrical engineering,control theory,finance and other fields.

分数阶微分方程的特点是含有非整数阶导数，能非常有效的描述各种各样的物质的记忆和遗传性质，在物理，数学，机械工程，生物，电子工程，控制理论和金融等领域发挥越来越重要的作用。

There is some good quality but still limited evidence that early physiotherapy, without routine immobilisation, is effective for undisplaced twopart fractures.

有一些好的仍然十分有限的证据表明，不行常规制动，早期物理治疗，是治疗非移位的两部分骨折的有效治疗手段。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。