超聲波分離 的英文怎麼說
中文拼音 [chāoshēngbōfēnlí]
超聲波分離
英文
ultrasonic separation- 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...
- 分 : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
- 離 : Ⅰ動詞1 (離開) leave; part from; be away from; separate 2 (背離) go against 3 (缺少) dispens...
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6 - phosphogluconate dehydrogenase ( 6 - pgadase, ec 1. 1. 1. 44 ) was isolated by homogenate, ammunium sulfate fractionation, deae - sepharose chromatography, blue - sepharose affinity chromatography and gel filtration with sephadex g - 200 from bacillus subtilis, and some properties of the enzyme had been studied. a 113. 8 - fold purification was obtained with a 8. 2 % yield. the purified enzyme moved as a single electrophoretic band in page
將枯草芽孢桿菌超聲波破壁后的粗提取物進行分段鹽析、 deae - sepharose陰離子交換柱層析, blue - sepharosecl - 6b特異結合柱層析和sephadexg - 200凝膠過濾等純化步驟,得到聚丙烯酰胺凝膠電泳為單一蛋白區帶,比活為1 . 46u mg的酶制劑。In order to show the scattering and complex mode - conversion clearly, the total field is decomposed into longitudinal and transverse parts and the scattered field is obtained by subtracting incident wave from the total field
通過對縱橫波的分離和在全波場中對散射波的分離,清晰地顯示了裂紋對脈沖超聲波的散射和復雜的模式轉換。Main products include gas - water mixing humidifying equipment, high pressure atomized humidifying equipment, centrifugal humidifying equipment, ultrasonic humiditying equipment and ventilating and cooling equipment etc., winning several national patents
主要產品分為氣水混合加濕設備;高壓霧化加濕設備;離心式加濕設備;超聲波加濕設備;通風降溫設備等。This paper begins with the calculation of the stator ' s resonance frequency, deals with the design and manufacture of motor, and puts forward dual nut structure of traveling wave revolving ultrasonic motor, and presents the analysis of the contract between rotor and stator in the manufacturing process, relation between the amplitude of voltage - ceremic chip and drive sources. the conclusion is that amplitude is affected by deviation of resonance frequency
同時分析了電動機的加工工藝,對超聲波電動機製造過程中功率與接觸角和振幅與驅動電源的關系進行了討論,得到了接觸角與輸出功率的關系曲線,以及超聲波電動機的振幅主要受電壓和激振頻率偏離定子環第2n階諧振頻率的偏離量確定。The stability of nano - alumina aqueous dispersion is tokened by spectrophotometer and particle size distribution instrument. it is proved that when condition is dispersant pmaa = 0. 4 %, ph = 9, nano - - alumina content = 4 % ( wt % ), ultrasonic for twenty minites, excellent stable nano - alumina aqueous dispersion can be acquired. nano particle average size is 205nm
用分光光度計和粒度分析儀表徵了納米粒子水分散液的穩定性,結果表明納米相al2o3濃度為4 % ,分散劑為陰離子聚電解質,用量0 . 4 % , ph = 9 ,採用超聲波分散20分鐘得到最好的分散效果,納米顆粒的平均粒徑為205nm 。At present the manufacture of surface acoustic wave use the technology of the final submicron. a series of the devices of low insertion loss, high q saw rayleigh surface acoustic wave resonators or stws that insertion loss has less than 5db, load quality factor ( ql ) is more than 1000 on the quartz piezoelectric with zero of first temperature factor in the research. these difference frequencies are 60mhz, 280mhz, 739mhz and 1ghz of normal frequency and at also surface acoustic wave. using 1. 25db noise factor amplifier, careful design curcuit, good setting printed curcuit board, and using the 1ghz surface transverse wave resonator as frequency element, researching the low phase noise surface acoustic wave with sideband phase noise near ? 120dbc / hz deviating 1khz on carrier, spurious suppress with 80db
本研究採用一階溫度系數為零的壓電石英基片上製作出損耗小於5db 、有載品值因素( ql值)超過1000的一系列低損耗、高q值聲表面波rayleigh波或stw諧振器,頻率分別為60mhz 、 280mhz 、 739mhz和1ghz等不同頻率的高性能聲表面波諧振器。並採用噪聲系數為1 . 25db的低噪聲系數放大器,精心設計電路,優化設計布置印製電路板,用標稱頻率為1ghz的聲表面波諧振器為頻率控制元件,製作出在偏離載頻1khz處的單邊帶相位噪聲近- 120dbc / hz 、雜波抑制達80db以上的低相位噪聲聲表面波振蕩器。Through the experiments of powder suspending liquid centrifugal stability 、 temperature 、 quality and absorbency, this paper researched the effect of ultrasound on dispersing capability of nano - tio2, and got the optimum ultrasound dispersing condition of nano - tio2 suspending liquid in definite extension
摘要通過對粉體懸浮液的離心穩定性、溫度和質量變化、吸光度的變化進行實驗,本文研究了超聲波對納米二氧化鈦分散性能的影響,並在一定的實驗范圍內,得出納米二氧化鈦粉體懸浮液的最佳超聲分散條件。Three characteristic features, such as average velocity of sound, deviation coefficient of sound velocity, and deviation coefficient of amplitude are extracted from four kinds of testing data which are sound velocity, amplitude, frequency and waveform in this paper. fuzzy analysis and artificial neural network are combined to form an intelligent system with similar functions to human brain to classify grc, aerated concrete, hollow brick, solid brick and concrete block. the accuracy of this system is up to 95 % in field tests
由超聲脈沖法獲得4種檢測信息聲速、波幅、頻率和波形,從中提取3個特徵量:平均聲速、聲速的離差系數和波幅的離差系數,利用模糊分析方法和人工神經網路相結合對grc 、加氣混凝土、空心磚、實心磚、砌塊5種墻體材料進行種類識別,形成一個智能化的、具有類似人腦功能的系統.經現場實測證明,判別的準確率達95 %以上。Review of the status quo and progress on treating methods of dyeing wastewater were presented, especially the advanced techniques were introduced, such as membrane extraction, ultrasonic processes, high - energy physical processes, advanced oxidation processes, electrochemical processes, photochemical degradation and efficient bacterium processes
摘要本文系統地綜述了國內外印染廢水治理現狀和進展,特別是近年來出現的一些新技術,如膜分離技術、超聲波技術、高能物理法、深度氧化法、電化學法、光化學法和高降解菌法。分享友人