損耗常數 的英文怎麼說
中文拼音 [sǔnhàochángshǔ]
損耗常數
英文
dissipation constant-
In order to prepare low dielectric constant glass powder, we use sio2, boracic acid etc as raw material to prepare glass powder. the result of testing is : its dielectric constant is about 4. 0, and it is suit for our experiment
作為低介常數的玻璃粉料，採用sio2 、硼酸等為原料，通過熔融、研磨製得了玻璃粉料，其介電常數約為4 . 0 ，介質損耗為10 10 4 。But there is a main question that pvdf does not be in p phase with higher piezoelectric property, but be in other phases with lower or without piezoelectric property, thus, which can not improve distinctly piezoelectric constant d33, reduce notably dielectric spoilage ( tg5 ) and raise remarkably mechanical coupling factor ( kp ) of 0 - 3 pzt / pvdf piezoelectric composite, so these will restrict its development and application. in this paper, 0 - 3 pzt / pvdf piezoelectric composite will be prepared by room pressing - solidity, high - temperature - pressing and room - pressing techniques respectively
由於這個壓電復合材料體系存在一個主要問題? pvdf在0 ? 3型pzt / pvdf壓電復合材料中通常不是以具有較強壓電性的相晶態形式呈現，多是以其它的相態存在，不能有效地提高0 ? 3型pzt / pvdf壓電復合材料的壓電常數d _ （ 33 ） 、降低介電損耗tg和增大機電耦合系數kp等壓電和介電性能，從而嚴重地制約它的發展和應用。Using the advanced technology by its head office ( newkey co., ltd. ), it produces various kinds of alumina black and white ceramic products. the component alumina ceramics, which are widely used in electron components, devices, electrical products, enjoy low loss of high frequency, high insulating strength, good specific volume resistance, small dielectric constant, high mechanical intensity and excellent airtightness and thermal and chemical stability
本公司根據目前市場需求，生產出各種型號的黑、白陶瓷產品，廣泛應用於電子、電工、化學工業、紡織工業、水暖、宇航、環保等諸多方面，系列產品有高頻損耗少，比體積電阻大，介電常數小，強度高，氣密性、熱穩定性、化學穩定性好等特點。E. g. by a quite practice of attrition we were able to reduce our staff size and cut our annual expenses while not firing anyone and risking a decrease in employee morale
通過正常的人員自然損耗，我們得以減少員工人數並削減年度費用，同時也避免了因採取解聘行為而導致員工士氣降低的風險The numerical and experimental results of this y - branch structure indicate that the proposed y - branch structure, without extra fabrication technologies, has a lower excess loss as compared with the conventional ones. optimal designs of the structural parameters for the multimode interference coupler are carried out. low loss and high uniformity of the multimode interference couplers are achieved when the waveguide is weakly guiding
研究了y分支耦合器中分支頂端間距（為工藝製作方便）帶來的附加損耗，提出了低損耗新型y分支耦合器結構，並給出了相關結構參數的優化設計方法，我們的理論計算和實驗測試結果均表明，該新型結構可以在常規光波導製作工藝下提高器件的指標。The loss will be decreased by using single - mode fiber or poledzation holding fiber in recent work we measured the verdet constant of the samples and tested the chederistic of magnetic - optical glass bare fibel then, we analyzc the resource of ermrs, which are coupling effect, stability of the light source, polarizers, defects of the magnetic - optical glass flber and coupling effects between different modes
採用單模光纖或偏振保持光纖將降低損耗。論文測試了樣品的費爾德常數，研究了磁光玻璃裸光纖的偏振特性。分析了誤差的主要來源：耦合效果、光源的穩定性、偏振片對光路的影響、裸光纖自身缺點和模式耦合的影響。Analysis for magnetic field of srm is very complicated since the flux waveforms in different parts of the motor vary with motor phase, stator pole and rotor number, also with the winding connections, etc, which results in the srm losses, especially iron loss calculation difficult. the temperature analysis due to the losses has become a study hot spot
Sr電機鐵心的磁通波形不僅與電機的相數有關，還與定、轉子齒極數、定子繞組連接方式等密切相關，從而使得sr電機磁場分析很復雜，復雜的磁通密度波形導致電機損耗特別是鐵損的計算非常困難。電機的損耗又會引起電機的溫升，因此高性能的sr電機的熱分析也成為目前的研究熱點。In order to utilize the frquency resource adequately and increase the capacity of mobile communication system, the wireless electric wave propagation of existing mobile system always adopts the microcell structure. forecasting the path loss characteristic of electric wave accurately can provide the necessary condition for the layout and design of wireless network, at the same time it is a precondition for the research on the microcell mobile system. the methods of forecasting of wireless electric wave propagation can divide into two parts : one is pluse and respond, that is establish the empirical model based on experimental and statistical data ; the other is ray tracing method, that is establish the deterministic model based on theoretical analyse. the paper discuss the characteristic of wireless signal electric wave transmition in symmetrical atmosphere of earth, and introduce the common path loss transmition model in land mobile communication system, also point out the localization of these models based on experiential methods
而精確預測無線電波傳播路徑損耗特性，則為合理的微蜂窩無線網路規劃、設計提供了必要條件，同時也是研究微蜂窩移動通信系統性能的前提。無線電波傳播預測的方法分為兩類：一是用沖激響應法，即根據實驗、統計所得數據建立經驗性傳播預測模型；另一種是用射線跟蹤方法，即依據理論分析來建立確定性的傳播預測模型。本文首先討論了在地球表面均勻大氣中的無線電波傳播的基本特性，介紹了陸地移動通信系統中常用的幾種電波傳播路徑損耗經驗性預測模型，並指出了這些經驗性傳播模型對于微蜂窩小區無線電波傳播特性研究的局限性。Using the dynamic mechanical analyzer ( dma ), pdms / pma ipn was investigated at temperature of 5 - 180 c. the initiator, the component ratio, the type of pdms and the filler effected the damping properties. the result showed that the damping ability varied with the parameter and there was an optimal value. the excellent damping material in the papers was ipn, where tan man was 0. 735, and the damping functional temperature ranged with tan 8 > 0. 3 was 46 c. the micro - morphology and structure of pdms / pma ipn were characterized by two kinds of sem
高分子阻尼材料的有效阻尼功能區是在ipn材料的t _ g區間內，而研究常溫條件下的阻尼性能更具有重要應用價值，運用動態熱機械分析（ dma ）儀對ipn阻尼材料進行表徵，在5 180內對其損耗因子（ tan ）進行研究，發現引發劑和交聯劑的用量、聚硅氧烷的用量和分子量等參數對ipn阻尼性能的影響較大，存在一個合理配比值，當pma與粘度為3300pa ? s的pdms之比（質量比）為1 . 17 ： 1 、交聯劑用量為1時， tan最大值為0 . 735 ，大於0 . 3的溫域差達到46 。10. 01 test methods for relative permitivity and dissipation factor of expanded cellular plastics used for electrical insulation
電絕緣用發泡泡末塑料的相對介電常數和損耗因數的試驗方法Dielectric loss constant
介電損耗常數And the permittivity and dissipation factor on si substrate were 342 and 0. 05 respectively
在低阻si上制備的bst薄膜介電常數為342 ，介電損耗為0 . 05 。When cu substitutes for co, with the cu increase, the dielectrical constant will reduce, and the peak value of dielectrical loss will move to high frequency
Cu取代co時，隨著cu的增加，材料的介電常數減小，介電損耗的峰值向高頻方向移動。Considering the influence of dielectric constant, conductivity, and dielectric loss on electrorheological ( er ) effects, an effective approach to prepare supramolecular complex er materials was proposed by self - assembly
根據介電極化理論，從電流變液材料物理設計的介電常數、電導率和介電損耗等參數出發，採用分子自組裝方法，制備出超分子配合物新型電流變液材料。32 ghz to 1. 91ghz. the complex permittivity peak of nanometer siox and two dielectric losses of cnts are discovered in our experiment which are different from properties of other nanometer materials. we should do the further research to reveal the truth
在本實驗的工作中發現與其它納米材料不同的現象，納米氧化硅的介電常數出現峰值，碳納米管有兩個介電損耗峰，建議以後的工作對其原因進行分析。Vulcanized rubber - test method for hf dielectric constant and dielectric loss angular tangent
硫化橡膠高頻介電常數和介質損耗角正切值的測定方法Vulcanized rubber - determination of dielectric constant and dielectric loss angular tangent value
硫化橡膠工頻介電常數和介質損耗角正切值的測定方法Vulcanized rubber - test method for hf dielectric constant and dielectric loss angular tangent value
硫化橡膠高頻介電常數和介質損耗角正切值的測定方法Along with the doping content increases, the dielectric constant initially increased and then decreased. the dielectric loss was on the contrary. 4. bt _ 4 doped with bi _ 2o _ 3 or v2o5 got a lower sintering temperature. a babi4ti4o15 phase raised when bi _ 2o _ 3 was doped and the dielectric properties ruined
3 . bst中摻雜zro _ 2 ，晶粒尺寸增大，摻雜量較大時會產生第二相bazro _ 3 ，介電常數隨摻雜量的增大呈現先增大后減小的趨勢，介電損耗則先減小后增大。Measurement of relative permittivity, dielectric dissipation factor at power frequency and volume resistivity of insulating liquids
液體絕緣材料工頻相對介電常數介質損耗因數和體積電阻率的測量分享友人