查询词典 nasal indices

When outcome variable is measured in the dichotomous form, the descriptive indices are often indicated for frequencies, percentages or proportions, correspondingly, the statistical inference methods are mainly χ2 test or the two-variable relationship analysis.

分组变量和结局变量均为二分类变量的研究在医学研究中是比较常见的，结局变量表示为二分类的形式，研究者通常采用频数、百分比或比例等统计指标描述，相应的统计推断方法主要为χ2检验或两变量之间的关联性分析。

All athletes revealed normal indices of systolic and diastolic function.

所有运动员的收缩和舒张功能指数均正常。

To measure the refractive indices of different parts of a cell they use a technique called interferometry, which involves splitting a beam of light in two. One half, known as the object beam, passes through the cell; the other is directed along a different path and acts as a reference.

为了测量细胞各部分的折射率，他们采用了一种名为干涉测量法的技术，将一束光分为两束，其中一束通过细胞，被称为物体光束；另一束光则沿不同路径作为参考光束。

The working principle,structure features and technical indices of DLS electromagnetic acid leak de- tector are described.

介绍了DLS型电磁式漏酸检测仪的工作原理、结构特点和仪器的技术指标。

Objective: to investigate normal values of the time domain indices of heart rate variability in Chinese adults.

目的：探讨国人心率变异时域分析各项指标的正常值。

According to the comparison of economic indices, the comprehensive mining technology consisting of dragline stripping technology and semi-continuous technology are preferred.

经济指标的对比表明，露天矿宜采用由拉斗铲无运输倒堆工艺与半连续工艺组成的综合开采工艺，即采场上部剥离采用单斗电铲与自移式破碎机的半连续工艺，中部剥离采用拉斗铲无运输倒堆工艺，下部采煤采用由电铲、卡车、破碎机和地下带式输送机构成的半连续工艺。

Regional Landscape dynamics The changing of some landscape pattern indices also showed the urbanization process of the urban-rural ecotone.

区域景观动态城市化的过程对城乡交错带的景观格局特征也有显著的影响，景观格局指数的变化可以体现这种发展过程。

Species richness and abundance indices varied significantly in different types of ectoparasite communities among different hosts.

鼠类体外各寄生虫群落物种丰富度和多度随宿主动物种类不同而变化较大。

The variability of γ-ray sources listed in the third EGRET catalog is studied using three variability indices.

通过数值计算EGRET源的I值和V值，发现这两种光变方法在统计上是一致的。

Finally, the entropy indices were less interfered with by the electrocautery unit during the operation (12% versus 62% for the BIS monitor).

熵指数受术中电刀的干扰较少（与 BIS 监测仪相比分别为12％和62％）。

Nowadays, most of research are to build a transmutative Petri Nets through adding controlling place sets, controlling arc sets and controlling policy to the basic Petri Nets, while the Controlled Petri Nets could be used to argue many controlling theory problems conveniently and to induce many logically and physically supervisory and solve the Event Feedback Controlling Problems and State Feedback Controlling Problem in DEDS supervisory theory.

目前大多数的研究表现为在变形后的受控Petri网基础上，利用各种方法求得各种逻辑型、结构型控制器，解决DEDS监控理论中的事件反馈控制问题与状态反馈控制问题。

On one hand, there are discussions with the works council and union about extension of short time working up to the end of September.

一方面，有讨论，工程理事会和联盟关于延长工作时间短至9月底。