查询词典 stepwise

Through the multiple stepwise regression analysis, the duration of the disease and serum GH level were the main influencing factors of acromegalic cardiomyopathy. 2 Ejection fraction and fractional shortening, were decreased, compared to control group, they still remained in normal range. 3 Isovolumic relaxation time and E wave descending time, were delayed apparently compared to control group, indicating the damage of cardiac relaxation. 4 Subgroup analysis in acromegalic: The comparison between patients with diabetes mellitus and impaired glucose tolerance and patients without DM/IGT showed that there was no significant difference in terms of the parameters in the two groups, in spite of an mild increase of IVST in the former group.

经多元逐步回归分析，病程和血清生长激素浓度为心肌肥厚的主要影响因素。2实验组射血分数和左心室短轴缩短率虽较对照组低，但仍在正常范围。3实验组左心室等容舒张时间和二尖瓣减速时间较对照组明显延长。4实验组中继发糖尿病／糖耐量减低组与非DM/IGT组进行比较，前者仅室间隔有较明显增厚，其余各项参数2组间差异均无统计学意义。

Finally, by stepwise regression, impact toughness and tensile strength of ADI may be expressed as follows

最后采用逐步回归法，建立了冲击韧性和抗拉强度的数学模型如下

The unit cell parameter of polypropylene crystallized with different method and condition was studied:curves of wide angle X-ray diffraction are determined by stepwise scanning method,X ray multi peaks resolution program and simulation program of unit cell parameter developed by the general inverse matrix method are used as data processing of determined results.

研究了不同方式和条件下形成的等规聚丙烯结晶的晶胞参数，用步进扫描测定试样的宽角X-射线衍射，用广义逆矩阵法编的计算机分峰程序和晶胞参数拟合计算程序对测定结果进行计算和数据处理。

Organization: Institute of Chemical Engineering and Environment, Qingdao UniversityAbstract: A new Schiff base and its cupric complex of L-lysine and anisaldehyde were synthesized by stepwise synthesis method in anhydrous system, with basic essential amino acid L-lysine and natural product anisaldehyde as precursor.

摘 要：以碱性必需氨基酸L-赖氨酸和天然产物茴香醛为前体物，采用分步合成法在无水体系中制备了L-赖氨酸缩茴香醛单席夫碱及其铜配合物。

Using stepwise discriminant analysis to select significant parameters, and the bavesian classifier method was proposed to classify cucumber anthracnose, cucumber brown spot and healthy region.

采用逐步判别分析，选取显著性较大的特征参量，建立起黄瓜炭疽病、黄瓜褐斑病和无病区域的分类器模型。

The iodometric method for the determination of copper content in antifouling paints by normal pressure stepwise digestion is studied.

目前，氧化亚铜是我国舰船防污漆的主要防污剂之，其在防污漆中的含量，直接影响防污漆的防污期效。

The result of stepwise regression analysis showed the RH and the precipitation in the three days before investigation and in the ten days before the investigation were the key factors affecting the apothecium number.

逐步回归分析结果表明调查日前三天的相对湿度和降水量，调查日前十天的相对湿度和降水量是影响田间子囊盘数量的最主要因素。

The result of stepwise regression analysis showed the amount of rainfall and the relative humidity in the three days before investigation and the number of apothecium in the investigation day were the key factors affecting the number of the spores in the air.

逐步回归分析结果表明调查日前三天内降水量、调查当天的子囊盘数量和调查日前三天的相对湿度是影响田间空中孢子量的最主要因素。

According to multimedia data model based on temporal logic and XYZ system, the authors designed and implemented a new multimedia authoring language MAL. This language supports the specification of abstraction, concurrency and the procedure of stepwise refinement design, it can be used to specify modeling information units, design and script a multimedia title in a unified framework.

根据基于时序逻辑和XYZ系统思想的多媒体数据描述模型，设计并实现了一种新的多媒体编著语言MAL，该语言具有抽象描述、同步描述、逐步求精设计的描述等能力，将多媒体节目中媒体对象的建模和多媒体节目的设计过程在一个统一的框架内进行描述。

This paper adopts stepwise in-depth and refinement method to make analysis of technologies about current dynamic distributed architecture and pointed compares the advantage and weakness of kinds of techniques. At the same time the paper studies the dynamic distributed computing technology. On basis of before-mentioned technology, the paper applies the new 00-based dynamic distributed architecture technology and theory to developing and implementing the remote education subject-base system.

本论文采用逐步深入、求精的研究方法，对目前的动态分布式系统结构的各种技术进行分析，并具有针对性的比较了各种技术的优缺点，同时研究了动态分布式计算技术，在此基础上应用基于面向对象技术的新的动态分布式系统结构技术和思想来开发实现了远程教育题库系统。

The work of this paper is as follows: 1. Looking back the progressing history of the linear motor, introducing the features of the elevator driven by linear induction motor, radicating the topic of this paper "the digital frequency variable control of the elevator bi-side direct driven by linear induction motor". The research of this paper covers the conventional VVVF control, space vector based VVVF control, vector control and DTC.

本文主要开展了以下几个方面的工作： 1 回顾了直线电机发展历史，电机的驱动技术演变，特别是针对直线电机的驱动，简要介绍了直线感应电机驱动电梯的优点和不同结构类型，对传统的v／f控制，基于空间矢量法的v／f控制，矢量控制，和基于电压空间矢量的直接转矩控制进行了比较，确立了本课题的研究主题：直线感应电机双边直推式驱动电梯的全数字变频控制。

The article combines with the treatment of a superficial civil air defense work to introduce how the grouting method to improve the performance of the backfill soil.

文章从治理漂浮人防工事的角度提出了注浆技术在改善回填土性质方面的应用，并详细阐述了注浆技术的施工流程。