查询词典 power transmission

In this thesis, the problems of impedance matching are studied based on the theory of nonreciprocal transmission lines, the broadband matching methods of nonreciprocal transmission lines are put forward.

本文在非互易传输线理论的基础上，对非互易传输线的阻抗匹配问题进行了研究，提出了非互易传输线宽带匹配的方法。

First, the related concepts about theory of nonreciprocal transmission lines are introduced, including the nonreciprocal transmission line equations, the characteristic parameters and some important parameters, which can lay a theoretical foundation for impedance matching.

首先介绍了非互易传输线理论的相关概念，包括非互易传输线方程，特性参数、重要参量等，为阻抗匹配问题的研究打下理论基础。

The better transmission property can be achieved by using this method. This method is realized in this paper, and simulation shows that the method of nonuniformly parting the channel has great potential to improve the transmission property of the channel.

论文实现了二叉树分解的子信道划分方法，给出了非均匀带宽划分的比特分配结果，和均匀带宽划分的子信道比特分配结果进行了比较，并且通过改变小波包分解的参数模拟了其性能。

Single-crystalline cerium orthovanadate (CeVO4) nanorods are synthesized successfully by Na2EDTA-assisted hydrothermal method. The products are characterized using X-ray diffraction, transmission electron microscopy, high-resolution transmission electron microscopy and superconducting quantum interference device.

以Na2EDTA为模板导向剂，利用水热法成功合成了单晶CeVO4纳米棒，使用X射线衍射仪、透射电镜、高分辨透射电镜和超导量子磁强计等对产物的结构和磁学性能进行了表征。

Results The rates of awareness about avian influenza and its infection sources were 99.0% and 83.8%,respectively;The rates of awareness about route of transmission of contact transmission,airborne infection,dungwatermouth and insect vector were 78.5%,71.2%,54.5%,70.2%,respectively;There were 45.5% people who thought all people could be infected easily by avian influenza virus;79.1% people thought fever was clinical situation of avian influenza,and that was 52.9% for nose running,cough,pharyngalgia.

结果 被调查对象对人禽流感及其传染源的知晓率分别为99.0％和83.8％；认为人群对禽流感普遍易感的为45.5％；认为禽流感临床表现有发热和流涕、咳嗽、咽痛症状的分别有79.1%和52.9%的。

Results The rates of awareness about avian influenza and its infection sources were 99.0% and 83.8%,respectively;The rates of awareness about route of transmission of contact transmission,airborne infection,dungwatermouth and insect vector were 78.5%,71.2%,54.5%,70.2%,respectively;There were 45.5% people who thought all people could be infected easily by avian influenza virus;79.1% people thought fever was clinical situation of avian influenza,and that was 52.9% for nose running,cough,pharyngalgia.

采用分层整群随机抽样方法抽取顺义区禽流感高危险职业从业人员191名，进行禽流感有关知识、信念和行为的问卷调查。

It is shown that transmission performance which uses postcompensation is superior to that uses precompensation and it can be concluded that the postcompensation should be used for dispersion compensation in long-haul, high-capacity optical transmission in the case of the nonlinear effects.

对基于RZ的400b／s常规单模光纤传输系统进行了仿真，该系统的色散补偿分别采用前置补偿和后置补偿，结果发现在存在非线性情况下，其色散补偿采用后置补偿的传输性能明显优于采用前置补偿的传输性能。

A temperature sensor in front of the electromagnetic field, the said without interference from the methods include: the temperature sensor is made on the characteristics of semiconductor material pre-selected wavelengths of light transmission function as the temperature sensor, west DingZheng prismatically configuration sensor, in order to provide a direct path through the reflective temperature sensor said, Another kiss for primary sources said wavelength, Choose 12.449 coupled with optical fiber sensor, the radiating waveguide song, Another kiss can detect radiation intensity detector change along, through direct transmission path as temperature sensor reflective function, Optical fiber sensor probe second waveguide coupling, And the radiation temperature sensing along the road, directly from the first glance through optical waveguide fiber-optic sensors represent temperature, pulsing said waveguide detection radiation intensity of optical fiber sensor, forwarding through said waveguide as the second pen function temperature.

一种温度传感当着电磁场无干扰电磁场说，该方法包括：从编造温度传感器具有半导体材料的特点进行预选波长的光传输功能作为温度传感器、西丁正prismatically配置传感器，以提供一个直接透过反光路说温度传感器；亲另方面说预选波长为辐射源；选择 12.449偶合传感器的辐射源，以光纤波导首；亲另方面探测器能够探测辐射强度的变化直接传送沿说，通过传感器作为道路反光函数温度；光学传感器耦合的光纤探测器第二波导；与由导演辐射温度传感沿线道路反光直接从第一说，通过光纤波导表示温度光纤传感器脉动说波导二、检测辐射强度转发的光纤传感器，通过说波导作为第二笔功能温度。

In order to trace the male cytoplasm transmission during double fertilization process, the mature gametophyte, zygote, proembryo and primary endosperm in Pelargonium hortorum Bailey and Rhododendron mucronulatum Turcz were investigated using transmission electron microscope and DNA staining technique.

本研究应用透射电镜及DNA荧光技术对天竺葵和杜鹃的成熟配子体以及在受精以后雄性细胞器的存在和分布进行了系统的细胞学研究，阐明了这两种植物中雌性生殖单位的超微结构特点及雄性和雌性细胞中质体和线粒体在受精作用中的传递。

The protozoa were isolated from field animal blood, vectors, pathogenic tissue and secretions. Based on differences of the pathogen morphology, vector species, experimental infected animals, single parasite clone and parasitic tissues, protozoiasis pathogens from different areas and animals in China were isolated and the vectors and transmission mode were also determined by vector transmission trial. Sequence analysis of 18S rRNA gene was used to study the phylogeny of partial isolated protozoa.

自野外采集动物血液、传播媒介、相关组织、排泄物等，根据对病原形态鉴定、传播媒介鉴定、实验性感染易感动物、单一虫株克隆、不同致病部位等方法，对我国不同地区、不同家畜的原虫病病原进行分离，并通过媒介传播试验确定传播媒介的种类与传播方式；采用18S rRNA基因测序方法，对本实验室已分离的部分原虫进行进化关系研究。

We got alerted a couple of times while we were down south that HETs were on the way to bring us back up north because things were going to go hot again, but it was just rumors.

南下的途中我们不只一次得到警告说重型装备运输车将拉着我们重新北上，因为局势正在变得重新紧张起来，但这只是谣传。

It's the one where they find the ghost in the salt mine.

这一集是演他们在盐矿找到鬼