查询词典 prolate cycloid

The results show that the pollen forms of Ferula and Heracleum are prolate and perprolate, respectively, and there are 3 colporates with reticulate sculpture on the pollen exines of the both genuses.

阿魏属和独活属植物的极轴平均长度分别为29.67μ m和34.07μ m，秩和检验表明二者差异显著；赤道轴平均长度17.07μ m和15.65μ m，差异不显著；极轴长/赤道宽的平均值分别为1.76和2.19，差异显著。

Also contains the same active ingredient as PARASITE DIP, but labeled for cattle or swine. Prolate is an insecticide for the control of horn flies, lice, sarcoptic mange, and ticks on cattle.

药剂包含11.75%亚胺硫磷和石油蒸馏物，以及寄生虫消除剂中同样的活性成分，但只作用于牛跟猪。

Phase function of prolate spheroidic mono-disperse aerosol particles.

单分散长椭球气溶胶粒子的散射相函数研究。

Study on the solution of brachistochrone and the effect of friction;2. Based on physics,it was proved concisely that the cycloid is both brachistochrone and isochronous pendulum.

介绍旋轮线的主要性质及其在日常生活与物理中的一些实例，并结合物理学知识对其最速降线与等时性进行简洁的证明。

A short-amplitude cycloid is used to be the primary gear form for stator and the conjuration gear form using on rotor on the basis of the analysis and compare of all kinds of cycloids.

在对各种摆线分析比较的基础上，提出采用短幅内摆线作为原始齿形曲线用于定子骨线设计，其共轭曲线用于转子的双头单螺杆泵设计。

First a hierarchically structured genotype is applied to represent cycloid parameters, and selection and mutation operators with evolutionary art are used to generate diverse patterns. Those with higher user rating are stored into the pattern database. Then fractal theory is introduced to configure these patterns on the basis of two distinct methods-Pythagoras tree design and Curlicue Fractal design.

采用层次结构化基因型表示摆线参数，使用进化艺术思想进行选择、变异操作，生成造型各异的花形图案，将用户评分较高的图案存入图案数据库；引入分形理论将图案库中的元件进行组装，提出基于Pythagoras树和花体分形原理的2套组装方案。

In this paper , the utility range of cycloid is also widened.

本文还拓展了摆线的应用范围。

AUTOCAD work carried out during the second development, in order to draw accurate cycloid.

工作期间对AUTOCAD进行了二次开发，以绘制精确的摆线。

We are of the oldest companies in china which omtribufe to the making of cycloid, reducer.

本公司是专业生产制造摆线针轮减速历史较悠久的企业之一。

This paper discusses the formation and properties of the inner cycloid and the principle of the tritubercular cycloidal pump is illustrated.

论述了内摆线的形成和特性及三尖摆线泵的工作原理。

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。