查询词典 Walden inversion

In London,Tokyo,New York and other cite s,a weather condition called a temperature inversion allows smog to hang over the city for several days at a time.

在伦敦、东京、纽约和其他一些城市，如遇到一种称为逆温的天气，烟雾在城市上空一罩就是几天。

The dependence of hysteresis on the initial inversion bias, temperature, and frequency are also investigated for all splits.

另外，我们亦针对初始反相偏压、温度与量测频率等对迟滞效果的影响，对所有经过不同表面处理方法所制作的薄膜进行研究。

His paper studied inversion method of ground temperature field and ground temperature gradient field based on 3D static heat conduction theory.

研究了基于三维稳态热传导理论并忽略对流换热及地质构造等次要因素影响的地温场与地温梯度场的反演方法。

The surface temperature inversion can not occur if the salinity effects are neglected.

次表层海水温度反升现象与海洋上层的盐度作用密切相关。

The results indicate that the temperature inversion increases the likelihood of the mixed layer entrainment.

数值试验结果显示：当次表层海水温度高于混合层内海水温度后，混合层加深速率明显变大，混合层更容易得到发展。

Genetic algorithm Inversion of component temperature Multi_angle remote sensing

遗传算法；组分温度反演；多角度遥感

A radio signal above 54 MHz in a temperature inversion is like water in a pipe; it is "trapped" and gets bent over the horizon for hundreds of miles.

一个无线电信号在54 兆赫之上在温度反向是象水在管子；它&被困住&和得到弯在天际为上百英哩。

Such studies include these steps such as the choice of RS images, data pretreatment and land-surface temperature inversion.

通过遥感影像选择、数据预处理、地表温度反演等过程介绍了城市热岛反演的方法。

The affects of crystal absorption for heat radiation on crystal growth,which include:the heat loss of the hot grower,the chara cteristic of temperature time of crystal growth,the pattern of fluid flow and the shape of interface,the interface inversion of crystal,the temperature distribution and the thermal stress distribution,are reviewed in this paper.

本文综述了晶体对熔体热辐射吸收对晶体生长的影响，包括对热腔热耗散的影响；对晶体生长温度时间特性的影响；对液流形态和固液界面形状的影响；对晶体界面反转的影响；对晶体中温度分布和应力分布的影响。

Heat island intensity of use of the method of classification of cities after the inversion of brightness temperature is divided into different levels of heat patch, while the introduction of landscape spatial pattern analysis methods, the use of heat to study the views of the landscape of urban thermal field.

运用热岛强度分级的方法把反演后的城市亮温分成不同等级的热力斑块，同时引入景观空间格局分析的研究方法，用热力景观的观点来研究城市热场。

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。