超聲波作用 的英文怎麼說
中文拼音 [chāoshēngbōzuòyòng]
超聲波作用
英文
ultrasonication-
The iatrical ultrasonic is about 1 - 15mhz at present, which generated by piezoelectricity crystal at the function of alternant electric field
目前,醫用超聲波的范圍多在1 15mhz ,是由壓電晶體在交變電場作用下發生機械振動而產生。Minitype series ultrasonic cleaners are mainly applicable to labs of plants, shops and small performances, used to cleanse components of clocks and watches, glasses, bijouterie, electronic components and plastic ceramic components etc
微型系列超聲波清洗機主要適宜於工廠實驗室商店及小批作業,用於清洗鐘表零件眼鏡珠寶首飾電子零件塑料陶瓷零件等。Study of " ph memory " and activity water ( aw ) in processing of immobilization indicates that former factor has much effect on transformation and the latter just has little effect. permeabilization treating of baker ' s cell with alcohol and ultrasonic leads to lower transformation rate, which illustrates that permeabilization procedure has negative role on biotransformation with whole cell as biocatalyst in organic solvent. in simple dynamics research amount of biocatalysu concentration of substrate and reaction course are considered and all of them have remarkable effect on transformation
Ph記憶、水活度及通透性處理的實驗結果表明, ph記憶對轉化有明顯的影響,水活度對模型反應的影響不大;作為完整細胞生物催化,細胞的通透性可能是傳質阻力的重要組成部分,利用不同濃度的乙醇和超聲波對細胞進行處理,結果表明,在有機相完整細胞生物催化中,通透性處理對轉化產生的是負面影響。Based on the research of the characteristics of piezoelectric ceramic, this paper presents the analysis of the movement of the stator surface points and work principle of motor. this paper describes a theory about the influence of the ultrasonic vibration on the frictional properties of ultrosonic dring, and finds that the horizontal vibration produces friction driving force and vertical vibration affects horizontal driving effect
並且對行波型超聲波電動機的減摩現象進行了研究,發現在接觸區定子表面上一點的水平振動產生摩擦驅動力,垂直振動只起影響水平驅動效果的作用,得出垂直方向超聲振動具有減振作用是引起超聲驅動動摩擦系數降低的原因。( 3 ) design a tusm ' s drive and control experimental device. it use dsp as the main element and squaresignal and syntonic drive mode. form the experiment, the system meet the tusm ' s drive and control. speed has fast response
( 3 )設計了一套行波型超聲波電機驅動控制系統電路。採用dsp作為驅動控制的主要器件,方波作為驅動信號,簡單的lc諧振驅動方式。A digital automatic ultrasonic inspection system designation is introduced. this system was developed with pc computer and embedded dsp, combining computer software and hardware, ultrasonic nondestructive testing, digital signal processing, embedded rtos and visual instruments technology. it meet the requirements of automatic inspection such as high repetitively frequency and real time alertation
該方案以pc機和dsp系統為核心構成主從機系統框架,以基於虛擬儀器思想的pc機應用程序和基於dsp的嵌入式實時操作系統構成雙重軟體結構,把傳統的超聲波無損檢測技術和先進的虛擬儀器技術、數字信號處理技術、嵌入式實時操作系統、計算機介面通信技術相結合,從而滿足了自動化探傷中1k / s的重復頻率和實時報警的要求。Chemotherapy use chemical drugs to treat tumor, it also bring harm to person ' s body. it is a new hotspot that using ultrasonic to treat tumor in the world recently. focusing ultrasonic on tumor, we can kill the malignant cells using the heat generated by ultrasonic without serious side effect like actinotheraphy or chemotherapy, so, it is new method with great hope
將超聲波用於腫瘤治療是近年來各國研究的熱點,通過將超聲波聚焦到腫瘤組織上,利用其熱效應殺死腫瘤細胞,不會給患者帶來生理痛苦,也不會像放療和化療那樣產生嚴重的副作用,因此是一種很有發展前途的新方法。The chemical formulation must consider all of the above characteristics. some chemicals designed for spray cleaning ? or that include rust inhibitors ? are not suitable for ultrasonic cleaning
化學藥劑的作用必須充分考慮上面的因素。一些為水射流清洗設計的化學藥品,包括一些防銹劑,不適合用於超聲波清洗作業中。Oxidative dechroming of chrome - containing leather shavings under the effect of ultrasound
含鉻廢革屑在超聲波作用下的氧化脫鉻However, ultrasound doesn ' t show obvious effect on the reactions, which maybe attribute to the fast hydrolysis reactions of products
超聲波的作用不明顯,可能與松香酯在超聲波體系易水解有關。Investigation on the effect of ultrasonic vibration on reduction in drawing force
超聲波在拔絲加工中減摩降載作用的研究In this paper, nanosized al2o3 ceramic particles were chose as reinforcing phase. enhanced with ultrasonic wave the particles were covered with copper using method by electroless plating, the copper - matrix composite was developed by hot - press sintering process of the composite powder. the composition, microstructure, hardness, density and dry sliding wear property of the new material have been studied
研究路線為:選用納米級al _ 2o _ 3陶瓷顆粒作為增強相,在超聲波的環境中用化學鍍的方法完成對納米al _ 2o _ 3陶瓷顆粒表面的金屬銅包覆,採用熱壓燒結成型技術以復合粉末為原料制備成納米al _ 2o _ 3陶瓷顆粒增強銅基復合材料,研究分析復合材料的成分、組織結構、硬度以及緻密度,對試樣進行了干滑動摩擦磨損實驗。As novel concept actuators, ultrasonic motors have been attracting intensive attention at home and abroad with their outstanding features such as low speed and high torque, large holding torque, rapid response, light weight and compact sizes, simple structure, and no magnetic disturbance, etc, and which have been applied to many fields
超聲波電機作為一種全新的驅動器,以低速大轉矩、大靜態保持力矩、響應速度快、體積重量小、結構簡單以及無磁場干擾等優點受到國內外的廣泛關注,並在眾多領域得到了應用。其中駐波超聲波電機具有驅動和控制電路簡單,轉速平穩,波動較小等突出優點。The application of cavitation of ultrasonic wave in chemical engineering of polymer
超聲波的空化作用在聚合物化工中的應用With these machine and technology of modern elctrician measurement, we can find the danger without touch, off - power, which did not influence ordinary work
利用遠紅外測量技術和超聲波探測技術結合現代電工測量技術,可以在非接觸、不斷電的情況下進行電氣消防安全檢測,不影響受檢單位的正常工作。The results showed that the yield of adipic acid could achieve to 46 % when the ultrasonic power was 50w and polyethyleneglycol was used as ultrasonic phase transfer catalyzer
實驗結果表明,用聚乙二醇作相轉移催化劑,在功率為50w的超聲波作用下, 30 %濃度的硝酸氧化環己醇,己二酸的產率可達到46 % 。The representation of embedding particles into porous media by ultrasonic
超聲波作用下微細顆粒嵌入多孔材料的表徵The basic technological process of preparation of ultrafine sno2 powder is put forward according to ultrasonic wave combined with sol - gel method
將超聲波作用與溶膠-凝膠法相結合,制定了超細sno _ 2粉體的工藝路線。In this process, sncl4 solution is added and react with nh3 h2o under the use of ultrasonic wave, controlling the acidity ph, reaction time and temperature and the sol can be got
一定濃度的sncl _ 4溶液在超聲波作用下與nh _ 3 ? h _ 2o進行反應。控制一定的ph值,反應溫度和時間,形成穩定的溶膠體系。In this work, layered lini1 - xalxo2 ( 0 < x 1 / 2 ) solid solution materials were successfully synthesized by current co - precipitation method in the air, and their preparation and properties were deeply and systematically explored. influences of different factors on the structure and properities of samples were studied, including li resources, different performs, li / m ( oh ) 2 molar ratio, calcining heat condition, the best synthesis technics were concluded : sintered for 16h at 700 from li source ( lithium nitrate ) : m ( oh ) 2 = 1. 05 : 1, ultrasonic vibration for dispersing and catalysing are best. lini0. 8al0. 2o2 exhibited a discharge capacity of 130. 7 mah ? g - 1 in the voltage range of 2. 8 ~ 4. 40v and at a specific current of 0. 2 c. a new co - precipitation method was proposed, it included ultrasonic for dispersing and catalysing, by dropping lioh to the aqueous solution of metal nitrates, hydroxides of metals were precipitated and the resulting solution was evaporated as received
採用傳統共沉澱工藝在空氣氣氛中成功地合成出了二元lini1 - xalxo2 ( 0 < x 1 / 2 )層狀固溶體系列,綜合考察了不同鋰源、預處理方式、鋰的配比量、焙燒溫度等條件對合成產物的結構和性能的影響,確定出了最佳合成工藝:以硝酸鋰為鋰源,超聲波作為分散動力源,鋰源與鎳鋁金屬鹽摩爾比為1 . 05 : 1 , 700下焙燒16h的lini0 . 8al0 . 2o2樣品電化學性能最佳,在2 . 8 ~ 4 . 40v之間, 0 . 2c的倍率放電可逆容量達130 . 7mah ? g - 1 。分享友人