高超聲波的 的英文怎麼說
中文拼音 [gāochāoshēngbōde]
高超聲波的
英文
hyperacoustic- 高 : Ⅰ形容詞1 (從下向上距離大; 離地面遠) tall; high 2 (在一般標準或平均程度之上; 等級在上的) above...
- 超 : Ⅰ動詞1 (越過; 高出) exceed; surpass; overtake 2 (在某個范圍以外; 不受限制) transcend; go beyo...
- 波 : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
- 的 : 4次方是 The fourth power of 2 is direction
- 高超 : excellent; exquisite; superb
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Application of ultrasonic wave level meter in measuring humid gasholder ' s high
超聲波物位儀在濕式煤氣櫃高度測量中的應用Echolocation calls are usually ultrasonic ranging in frequency from 20 to 200 kilohertz ( khz ), whereas human hearing normally tops out at around 20 khz
用於回聲定位的叫聲一般是20 200千赫之間的超聲波,而人所能聽到的最高頻率在20千赫左右。Ultrasonic has being attracted much attention gradually in fuel atomization because of some specialities of cavitation and infection on liquid flow. in the course of atomization of pitchy oil, especially, does it show greatly its advantage, but its material atomizational mechanism need research ulteriorly. the primary content of this thesis is about adding cantilever reed to effervescent atomizer so as to combine ultrasonic and effervescent. this thesis has discussed ultrasonic some mechanism, ultrasonic dynamical procreator, effervescent and liquid mucosity infection on atomization, at the some time we make some experiments and discuss atomization rule following some machinery parameter and run parameter so as to find some rule about ultrasonic atomization and to rich the research of ultrasonic atomization mechanism. all that will be beneficial to the design about ultrasonic atomization atomizer
超聲波由於其空化機理及對液體的流變性影響等特性,在燃油霧化燃燒中逐步引起人們的重視,尤其在重渣油等高粘度液體的霧化過程中逐步顯示出其優越性,但其具體的霧化機理還需要做進一步的研究在氣泡霧化噴嘴基礎加入懸臂式簧片哨,將超聲波與氣泡霧化相結合是本文討論的主要內容本文從研究超聲波的一些機理入手,討論了超聲動力發生器氣泡霧化以及液體粘度對霧化質量的影響,並通過具體的實驗,根據實驗數據來討論霧化質量隨各種結構參數運行參數的變化規律,以便找到超聲霧化的一些規律,豐富對超聲霧化機理的研究,對超聲霧化噴嘴的設計具有一定的指導意義。The results of performance testing showed that the additive of nano - powders can evidently enhance the latex coatings " weathering resistance, scratch resistance, water resistance and alkaline resistance, and do not reduce other performances ; polybasic nano - composite powders have more efficient than single nano - powder ; the dispersing method have biggish effect on performances. observing the stability of nano - additive of exterior latex coating showed there was no viscidity rising, no delaminatiom sedimentation in two months. tryout by plant showed that nano - weatherability additive can obviously enhance the weathering resistance of latex coating and water resistance, and no reducing other capabilities
對其性能研究的結果表明,納米粉體材料的引入,可以明顯提高乳膠漆的耐候性、耐洗刷性和耐水耐堿性能,對其它性能無不良影響;納米多元復合粉體比單一粉體的改性效果明顯;納米粉體的添加工藝對改性乳膠漆性能有較大的影響,採用同普通填料一致的添加方式制備的試樣與採用超聲波預分散后在配漆階段加入制備的試樣相比,後者在穩定性、耐候性等方面的性能都有所提高。Based on the analysis and practice of the ultrasonic soldering process, the results show that it is important to procure high soldering quality on controlling submersion depth, the ultrasonic soldering time, assembling clearance and solder composition
根據對超聲波釬焊工藝的分析和實踐,結果表明控制產品在釬焊時的浸沒深度與產品裝配間隙、超聲波釬焊時間和釬劑成分是獲得高釬焊質量的重要條件。High - frequency pulse lasers with resonance tube ultrasonics
高頻率的脈沖雷射和超聲波As a primary efficacy endpoint, carotid inner wall thickness and brachial artery endothelial function ( both as surrogate atherosclerosis markers predictive of cardiovascular events and outcome ) were measured by high - resolution ultrasound technology. " there was a significant improvement in arterial endothelial function and carotid artery inner wall thickness after applying the herbal capsule, signifying an improvement in vascular function and structure with a mild improvement in blood lipid profiles
病人隨機分為兩組,一組給予中藥膠囊每日六粒,另一組則給予外表一樣的安慰劑膠囊。研究人員利用高解像度血管超聲波掃描技術,量度病人的頸動脈內中膜厚度及肱動脈內皮功能(兩者為評估血管粥樣硬化的指標) 。The developing ratio of its long - term fc is up to 25 %. and the ultrasonic velocity was inspected out by way of ultrasonic - concrete technique : the maximum value was 5376m / s ; the minimum was 4386m / s. this explained that hpc in the experiments was very close - grained
採用超聲波混凝土檢測技術測得試件28d的最大波速值為5376m s ;試件最小波速也達到了4386m s ,這表明本試驗所獲得的混凝土試件的密實程度是相當高的。The result shows that with the addition of rare earth elements, ultrasonic irradiation and magnetic field, the chemical component, surface configuration, microstructure and properties of electroless co - ni - b and co - fe - b alloy changes remarkably. such kind of change can be described as the followings. firstly the depositing speed of electroless alloy bath is raised while the polarizability and cathodic overpotential are reduced ; secondly the surface quality of the alloy coating and adhesion of the coating and matrix are improved ; thirdly in the coatings the content of the elements in the transient group increases, but the content of cobalt decreased ; fourthly the amorphous structure is transformed to microcrystal structure and polycrystal structure ; fifthly the microhardness and wear resistance of the coating are enhanced ; sixthly coercitive force is reduced, and magnetoconductivity of the coating is increased ; lastly the magnetic intensity of the coating increases with the addition of energy and light rare earth elements such as ce, la and decreases with the addition of heavy rare earth elements such as y. on the other side, when the alloy coatings passes through the heat treatment under the temperature of 250 or 500, their properties will change
結果顯示化學沉積co - ni - b 、 co - fe - b工藝在稀土元素( ce 、 la 、 y 、 dy ) 、能量(超聲波、磁場)介入后,沉積過程、合金成分、鍍層形貌結構和性能都有顯著變化,表現在:鍍液的陰極極化過電位和極化度降低,沉積速度提高;鍍層的結合力、表面質量改善;鍍層中過渡族元素的含量增加,輕元素硼的含量降低,同時證實了稀土元素與過渡族元素共沉積的可能性;鍍層的顯微結構由非晶態向微晶和多晶態轉變;鍍層的顯微硬度與耐磨性提高,力學性能優化;鍍層的矯頑力降低;磁導率提高;鍍層的磁化強度在能量(超聲波、磁場)和輕稀土元素ce 、 la介入后提高,重稀土元素y介入后降低。Laser, ultrasonic beam and microwave are used in non contacting level measuring systems. laser systems suffer from dirt, ultrasonic sensors are strongly affected by changes of the velocity of sound and usually a pipe is needed to couple the ultrasonic waves into the liquid tank, which is difficult when there is a high pressure or when explosion protection is necessary
壓力式液位測量系統原理簡單、成本低,但測量精度和應用場合有一定的局限性,超聲液位儀精度較高,但設備復雜,一般需要用導管將超聲波傳到被測的液體中,因而安裝維護較麻煩,激光測距系統對環境要求嚴格。The sonocal 3000 系列 of ultrasonic heat meters are designed for accurate high - resolution energy measurement in heavy duty water - based district heating, i. e. for power stations, exchange stations or transmission nets
系列超聲波熱表用於在區域供熱中高解析度精確的能量測量,比如,電站,交換站或者傳輸網路。According to the principle of ultrasound detection, this thesis describes a high - speed sampling system for ultrasound emergent wave and echo wave
摘要根據定量超聲波檢測原理,闡述了一種針對超聲波發射信號和回波信號的高速採集系統。Therefore, it takes an important role in ensuring people ' s life and property and in improving the economic benefit to carrying trade. in this paper, for the purpose of the automobile ' s rear - end anti - collision especially on freeway with heavy frog, we propose the plan of the alarming system for rear - end anti - collision based on the detection technology with ultrasonic
本文針對汽車防追尾問題,在高速公路大霧天氣的特殊情況下,主要利用超聲波探測技術,提出了一套汽車防追尾告警系統方案,並從軟硬體兩個角度對方案的可行性做了詳細的說明。Although a dual - mode scramjet ' s configuration is simple and mainly consists of inlet, combustor and wake nozzle, its working process is complicated, especially in the combustor, involving a lot of subjects, including hypersonic aerodynamics, combustion chemistry, etc. the inner flow of a combustor is three - dimensional and complicated, including the interaction of shock wave, deflagration, vortex and boundary layer, and so on
它涉及到高超聲速空氣動力學、燃燒化學、擴散傳質等多門學科;其內部的實際流動是復雜的三維流動過程,充滿著激波、膨脹波、燃燒波、各種渦系、附面層及其相互之間的干擾,因此,燃燒室問題是整個發動機研究的關鍵所在。Developming of an non - touch ultrasonic liquid level instrument for high pressure containers
高壓容器壁外式超聲波液位檢測儀的研製An ultrasonic motor with multiple reeds is studied and manufactured, its characters are superior to the motor of the same type which is formerly manufactured
對原來的多振動片式駐波超聲波馬達進行了改進,與原來的樣機相比,在性能上有了很大的提高,為今後進一步研究打下了良好的基礎。The ultrasonic can also afford the energy that the electroless plating need so that the coating speed is rapider than the normal low - temperature electroless plating, then reduce the cost. the ultrasonic has great advantage in dispersion compared with the normal mechanical mixing
同時相比較傳統的機械攪拌分散工藝,超聲波分散具有明顯的優勢,可以大大提高顆粒的分散性,使復合粉末中各組成更為均勻。Photocatalytic activities of nanometer tio2 are also evaluated by degradation of the crystal violet solution. experimental results indicate that the synergistic action of h2o2 and ultrasonic wave greatly enhances photo - catalytic reaction of tio2
通過結晶紫水溶液的光催化降解對二氧化鈦的光催化活性進行了表徵,實驗結果顯示過氧化氫和超聲波的協同作用大大提高了tio _ 2光催化反應的效率。Standing wave ultrasonic motors have many outstanding features for simple drive and control circuit, stationary speed of rotation, smaller undulation, etc. on the basis of referring and analyzing a large quantity of literatures, the following work has been carried out. one exponential form transducer with rectangle cross - section are designed, which are presented in the dissertation, this kind of transducer fit output great power and make ultrasonic motor gain large amplitude effectively
本文在閱讀和分析了大量國內外有關參考文獻的基礎上,做了以下研究工作:設計了一種矩形截面指數形壓電超聲換能器,這種換能器適合高強大功率超聲波的應用,能有效的為電機提供大振幅振動。A theoretical analysis is made on the influence of probe ' s near - zone length to the sensitivity and accuracy of ultrasonic inspection for the pipe welded seam, the issues in actual application of ultrasonic inspection technology is studied and the general countermeasures to increase the accuracy of ultrasonic inspection technology are given in the article
摘要從理論上對超聲波近場區長度影響管道對接環焊縫檢測靈敏度和準確性進行了分析,研究了超聲波檢測技術在實際應用中存在的問題,給出了提高超聲波檢測準確性的一般對策。分享友人