查询词典 effective resistance

In addition to the measurement of thermal resistance of the packaging, transient thermal response is investigated both theoretically and experimentally.

对扩展电阻温度传感器封装热阻的测量和瞬态热响应分别进行了理论和实验研究。

Study on transmission spectrum of ZnO films;2. Study of Measuring Grating Parameters with Transmission Spectrum and Design of Perfect Anti-reflection Coating;3. Kinetics of the oxidation process of the copper films in the thickness range of 16～22 nm at 140 ℃ was studied by using transmission spectrum and sheet resistance methods.

采用方块电阻和透射光谱两种方法为表征手段，测量16～22nm范围内不同厚度Cu薄膜在140℃下完全氧化所需要的时间，得到了Cu薄膜氧化反应的动力学曲线，并利用X射线衍射分析了氧化产物的晶相结构和成分。

In the experimentsthe effects of oxygen pressure on the transmittance and sheet resistance of the films have also been investigated.

在实验中详细地研究了氧分压对膜的透光率和方阻的影响。

There is some sign that resistance to this sense of transpire is abating, however.

下一行 右侧的是查到的单词或短语，这可能和您的查询条件并不完全一样。

RNAi plays important roles in resistance to virus invasion, and inhibition of transportable elements.

这也说明，很可能在进化的很早期阶段，生物就获得了这种机制。

The light saturate point and light compensate point of seedling were 1841.67nmol m-2s-1 and 155.18 mol m-2s-1 respectively, but the LSP and LCP of the young trees were 1810.00 m-2s-1 and307.07 mol m-2s-1.(3) Comparing with other three tree species, the tree of heaven had special leaf POD isozyme patterns related with the characteristic of insect-resistance.

幼苗、幼树叶片的净光合速率日变化具有两种变化曲线，均出现"午休"现象：幼苗的光饱和点与光补偿点分另伪1841.67μmol·m~(-2)·s~(-1)和155.18μmol·m~(-2)·s~(-1)；幼树的LSP与LCP分别为1810.00μmol·m~(-2)·s~(-1)与307.07μmol·m~(-2)·s~(-1)。

Sowing fertilization monomer form of installations, and round configuration of the increase in broadcast rear rack can be planted to ensure that the land side; the use of knife-type trencher stubble breaking, and buried a small resistance, with stubble in the soil is not cultivated to the same place deep application of fertilizer and sowing operations.

播种施肥装置采用单体形式，地轮配置在播幅之内机架后方，能保证播种到地边；采用刀式破茬开沟器，入土阻力小，能在带麦茬未耕土壤里进行同位深施肥和播种作业。

Chain trencher ; Design method ; Chain tooth ; Sproket ; Cutting resistance

吉林大学；房恩宏链式开沟机；设计方法；链轮；链刀；切削阻力

Is likely to fan the trend line of 4 points in 2000 near the location of the resistance.

球迷很可能在2000年的4个点附近的趋势阻力线的位置。

The new breakout is defined with a new resistance trend line.

新的突破受到新的阻力趋势线的限制。

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。