查询词典 atiyah singer index theorem

Objective To compare the efficiency and accuracy of electroencephalographic nonlinear index and bispectral index in monitoring depth of anesthesia during general anesthesia.

目的 评价脑电非线性指数作为一种新的监测麻醉深度指数的有效性和准确性。方法纳入30例行择期开腹手术患者。

On the basis of the molecular branching index of Randic,by adding Pauling molecular electronegative,a new molecular topological index was proposed and used to correlate between the chemical structures of haloalkane s and their boiling point at normal pressure.

在Rand ic提出的分子支化度指数的基础上，引进了卤原子的电负性，提出了一种新的拓扑指数，并对饱和卤代烃在常压下的沸点与化学结构之间的关系进行研究，建立了回归方程，相关系数达到0.995，预测值与实验值基本吻合

It is showed that the index of the cupula controls the magnitude of the amplitude and phase in low frequency, and the index of the endolymph characterizes the critical frequency of the system.

其中，壶腹嵴的粘弹性指标α主要控制系统在低频段的幅值和相位值，而内淋巴液的粘弹性指标β则主要决定了系统的临界频率和低频截止频率。

Fourthly, it takes man, machine, circumstance and management as assessment index, proposes a calculating method for index weight calculation, puts forward the linear-weight model to make the engine-room equipment assessment, at last be able to work out the safety grade on the basis of the model and direct the maintenance of the engine-room.

最后用Visual Basic语言研发了一套包括机舱设备状态监测与安全评估模块、船舶应急事件处理模块、船舶机舱设备维修管理模块及船舶设备备件管理清单模块的软件系统。

An index of commonly used abbreviations of authors names has also been included. This index is intended to assist in the interpretation of abbreviations, which may be encountered in entomological literature.

通常被运用的作者名字缩写索引也包含在该网站中，目的是帮助解释这些可能在昆虫学文献中碰到的缩写词。

Analyse the root of equation, when the refractive index of film is less or greater than the refractive index of substrate; and draw up the graph of the equation root, gain the condition of single extreme or double extreme.

分别从薄膜小于衬底折射率和薄膜大于衬底折射率出发，分析了这两种类型薄膜的迭代求解情况，并描绘出了相应的图线，得到了出现单极值和双极值的条件。

Compareing with the zonal wind at 30 hPa and 50 hPa, the new index shows its excellent performance with the closer association of variation in the new index with the equational temperature in stratosphere.

另外新的指数相对于比较常用的单层的30 hPa和50 hPa纬向风能够更加好的反映出平流层中低层以及平流层高层的温度的变化。

It is based on the method of modeling mobile voice channel and system identification is made so that the waveform samples are designed in frequency domain with less signal distortion.Then the waveform codebook is gotten by a genetic algorithm which has the maximum Euclidean distance.Thus,the modulation and demodulation are equivalent to the mapping from index to waveforms and from waveforms to index.

提出了对移动话音业务信道建模的思想，通过系统辨识获得模型的频率响应特性，在波形畸变较小的频带范围设计波形频谱，采用遗传算法在时域样本空间全局寻优获得欧几里德距离最大的波形码本，通过码本索引值和波形矢量的映射和解映射来实现数据的调制和解调。

As steady error coefficient is an important index in measuring system error, it is introduced into the performance index set. A solution of satisfactory biased estimation strategy is proposed by assuming that the maneuver of target is finite, which can ensure the accuracy and stability of the estimation output.

稳态误差系数是衡量系统误差的一个重要指标，于是本文将估计系统的动态误差系数纳入多指标约束，借助满意估计理论，在假定目标机动强度有限的前提下，给出了可兼顾滤波输出精度和平稳性要求的满意有偏滤波器的设计方法。

At the same time we brought forward a simulation of the forward collision warning model with 29dof vehicle model developed by State Key Laboratory of Automobile Dynamic Simulation of JiLin University, simulation showed that the model realized the expecting request. 3、It is the membership function of evaluation index that caused flat effect of some certain index and also because of truncation error of computer that the model can not identify relative safety of safe points and unsafe points.

在对驾驶员最优预瞄加速度模型的研究过程中，发现原有模型模糊决策环节的四个评价指标中由于部分指标采用了分段函数作为隶属函数而导致评价指标的平台效应，进而影响到相对接近度指数出现平台效应，又由于计算机截断误差的存在，导致相对接近度指数无法分辨绝对安全点的相对安全性和绝对危险点的相对安全性。

You can snipe the second and third union leaders from this position.

您可以鹬第二和第三工会领袖从这一立场出发。

Aiming at the currently shortage of XML streams quality detecting, this paper proposes a new forecasting method of XML streams quality by least squares support vector machines, which is used the method of XML keys' vector matrix as windows, and vector product wavelet transform to multilevel decompose and refactor the XML streams series, that can fulfill real-time checking demand of XML quality, and ensure constraint, consist- ency and integrality. For even more adapting net load, it proposes a control strategy by weight and adaptive adjustment to ensure XML streams quality.

针对当前XML数据流质量检测存在的不足，提出构建XML键的矢量矩阵作为窗口，利用矢量积小波变换多级分解与重构XML数据流，再结合最小二乘支持向量机对XML数据流质量进行预测的一种方法，满足XML数据流质量重构时实时检测的要求，保证XML数据的约束性、一致性与完整性；为了更好的适应网络负载，采取加权与自适应窗口调整等调度策略充分保证XML数据流的质量检测。