場測定器 的英文怎麼說

中文拼音 [chǎngdìng]
場測定器 英文
field recognizer
  • : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
  • : 動詞1. (測量) survey; fathom; measure 2. (測度; 推測) conjecture; infer
  • : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 測定 : determine; determination; setting-out; admeasurement; assignment; assay; finding
  1. Workplace air. x - ray determination of the conventional alveolate fraction of crystalline silica. sampling by membrane filter

    工作所空氣. x射線結晶二氧化硅的常規蜂窩狀部分.用薄膜過濾取樣
  2. At first, in the process of experiments, it were measured that dry plate pressures drop and point pressures in the flow fields around the single fixed - valve and double fixed - valves under different velocities by using of pitot tube. after that point pressure was transformed to point velocity, two dimensions flow plane of flow fields around fixed - valve were plotted to observe the difference between of the fixed - valve tray with fold edges and the common rectangular fixed - valve tray on the distributions of flow fields and pressures, to provide comparisons and refer - rence for cfd simulation

    在實驗中,利用速管等儀對在不同速度下的單閥和雙閥固閥周圍的流進行了點壓力量,然後把點壓力轉化為點速度后繪出固閥周圍流的二維流線圖,同時了塔板的干板壓降,來考察新型固閥帶折邊后對流分佈和壓降的影響,為隨后的數值模擬提供對比和依據。
  3. Poiycyclic aromatic hydrocarbons ( pah ) are priority trace organic pollutants in the clrtap ( convention on long - range transboundary air poliution ) pops ( persistent organic poilutants ) protocol. both laboratory experiments and fie1d surveys unequivocally demonstrated that pah adversely affect estuarine and marine organisms. pah are implicated in the development of iesions and tumors in fish, they produce biochemical disruptions and cell damage that iead to mutations, developmental malformations and cancel although many marine organisms do not exhibit acute responses to pah " exposure, but suffer sublethal effects

    本論文以湄洲灣海域和廈門西海域養殖區為研究區域,採用現代分析技術,從分子水平上系統研究了多環芳烴( pah )在海水、沉積物、養殖魚類中的含量分佈:通過現實驗,實驗室暫養、投毒和恢復實驗系統了養殖魚類的肝臟、膽汁、鰓、全血等不同官、組織的生化指標及養殖魚類肝臟、膽汁的化學指標,探討了這些指標對水環境多環芳烴污染的生物指示作用。
  4. Secondly, in phase unwrapping to overcome the spread of wrong point, changing the patch of unwrapping phase is done to improve the correctness of it. then, the relation between the unwrapping phase and the height of reconstructed object is discussed detailedly. the data processing, algorithm analysis and reconstructing object are done for the collecting fringe image which are all based on matlab language, in all these achievements, the improvement and innovation aspect are following : a ) in order to stabilize the interference fringe, a new equivalent shifting object method is presented by using fringe stabilizing device to stabilize the interference fringe though moving object and ccd camera which fixed on a precise moving platform together, the experimental result shows the fringe drift is less than a / 20 in five minutes, and the equivalent phase shifting precision is x / 100

    論文在全面闡述了光學三維輪廓位相量術的發展、應用現狀、研究熱點及未來發展趨勢的基礎上,簡要介紹了傅立葉變換和相移位相輪廓量術的基本原理,對兩種量方法存在的問題及誤差進行詳細分析和比較;針對位相解包裹錯誤點的傳播問題,作者通過改變解包裹路徑來提高位相解包裹的正確性;分析討論從解包裹位相( x , y )到再現物體的高度h ( x , y )物理量之間的關系,研究相應的演算法,利用matlab平臺,對實際採集的條紋圖像進行處理和輪廓重構,其中改進及創新工作主要表現在以下兩個方面: ( a )針對干涉型結構光干涉條紋出現的漂移抖動對相移的影響,提出了一種用條紋穩干涉條紋,用精密移動平臺使物體和ccd攝像頭同步移動實現等效相移的方法,建立了相應的量系統,系統的條紋穩可以達到。
  5. In order to investigate the unsteady flow frequency domain performances of an axial flow compressor at different mass flow, rotating speed and blade row spacing, plus inlet flow distortion, and considering aerodynamic characteristics and stability of the compressor, the low speed research compressor ( lsc ) at college of energy and power in nuaa is used to carry out the experiment studies. a large amount of test data has been gained through dynamic pressure transducers embedded in the stator blades at the tip, middle and hub section, then fast fourier transform algorithm ( fft ) is applied to calculate the frequency data

    為探討軸流壓氣機在工作流量、工作轉速及動?靜葉排軸向間距變化時的葉片排流常頻譜特性變化規律,並耦合進氣畸變的影響,同時與壓氣機氣動性能和氣動穩性相關聯,作者利用南京航空航天大學能源與動力學院的低速大尺寸軸流壓氣機( lsc )試驗,採取在靜子葉片表面埋入動態壓力傳感的實驗方法,對葉尖、葉中和葉根三個截面的動態壓力進行了量,獲得了大量的可靠的實驗數據。
  6. Standard test method for field determination of water moisture content of soil by the calcium carbide gas pressure tester

    用碳化鈣氣壓檢驗法現土壤中水含量的標準試驗方法
  7. An instrument used to detect, measure, and determine the direction of small electric currents by means of mechanical effects produced by a coil in a magnetic field

    檢流計,電流計一種儀,用以探量和微小電流方向,採用線圈在磁中產生的機械效果的方法
  8. This paper introduced the relative determination method of odour, the simple method for enterprises to manage on the spot and the using cases of smell sensor

    在此對惡臭的相關方法以及在企業等現進行自主管理時使用的簡易方法,氣味傳感(惡臭試儀)的使用事例進行介紹。
  9. This text completely and systematically studies the status and the development of the pyrolysis and the fluidization of biomass, which distill the bio - oil in the domestic and international area, as well as the existing problems. this thesis primarily include following aspects : ( l ), by experimenting and measuring the energy ( heat value ) and the content of c, h, n chemical element of right 20 kinds of common biomass, on the base of the experimental result, and respectively established the biomass energy predict experiment formula with the element of h and c is from change, and passed the ro. os examination, which provides the basis and convenience for flash pyrolysis fluidization device energy to convert the rate to compute with biomass energy utilization calculation ; ( 2 ), proceeded the tg and dtg experimentation equal velocity ( 10 ? / min, 20 ? / min, 40 ? / min, 60 ? / min ) heating and constant temperature heating by studying on eight kinds of biomass samples, according to the experimental data and arrhenius formula, we established the dynamics model of pyrolysis of, then, using the goast - redfern and p function, we also solved the dynamics parameters and analyze out every kind of biomass ' s frequency factor and parameters of activation energy, and established the every kind of dynamics model of pyrolysis of biomass, all of these provide the theories and basis to make sure the reactor ' s flash pyrolysis work temperature scope design and the describing of pyrolysis reactor dynamics ; ( 3 ), in order to study and ascertain the process of heat completely getting to pyrolysis time of varied size biomass particles, we observed and measured the ratio of length and diameter ( l / d ) with the varied biomass through electron microscope, we concluded the l / d ratios usually is from 5. 0 to 6. 0, the average is 5. 3 ; ( 4 ), we studied the process of biomass transiting and the theory of complete pyrolysis time with the theory of complicated heat field, we got the time ( t ) of the varied size biomass particles arriving to complete pyrolysis, and we knew that the complete pyrolysis time and the time which get to the biggest production ratio are identical, all of these studies provide the theory base for design and forecasting the flash pyrolysis reactor solid state resort time ; ( 5 ), according to the above experiment result, synthesize to make use of the engineering the mechanics, engineering the material, machine the design to learn the principle, deduce, establish the theory of rotation cone flash pyrolysis reactor material resort time ( t ) and reasonable rotation velocity ( or frequency ) relation theory ; and ( 6 ), we gave the reactor ' s smallest cone angle certain, reactor cone wall strength design theory, the reactor production ability theory, the power design method and the critical rotation velocity theory

    本文較全面、系統地綜述了國內外生物質熱解液化制取生物燃油技術研究發展現狀及存在的問題,主要研究內容有: ( 1 )實驗、了20種常見生物質的能量(發熱量)和c 、 h 、 n元素含量,根據實驗結果分別建立了以h和c為自變量的生物質能量預經驗公式,並通過r _ ( 0 . 05 )檢驗;為閃速熱解液化裝置能量轉化率計算和生物質能量利用率計算提供了依據和方便; ( 2 )選擇了8種生物質試樣作了等加熱速率( 10 min 、 20 min 、 40 min 、 60 min )和恆溫加熱的tg和dtg實驗,根據實驗數據和阿倫尼烏斯公式建立了生物質熱解反應動力學微分方程,並採用goast - redfem積分法和p函數對其動力學參數進行了求解,解析出各種生物質的頻率因子和活化能參數,進而建立了各種生物質的熱解動力學模型,為科學確反應的閃速熱解工作溫度范圍及熱解反應動力學描述,提供了理論和依據; ( 3 )為研究和確不同尺度的生物質顆粒中心達到全熱解的時間,在體視顯微鏡下對不同粒度的生物質顆粒的長徑比進行了實驗觀察和,得出生物質的長徑比( l d )一般在5 . 0 6 . 0之間,平均為5 . 3的結果; ( 4 )採用復雜溫度傳熱學理論對生物質傳熱過程及充分熱解時間理論進行了研究,解析推導出了不同尺寸生物質顆粒中心溫度達到充分熱解溫度的時間( t ) ,得出了理論推導的充分熱解時間與最大產油率的熱解時間相一致的結果,為閃速熱解反應固相滯留時間設計和預提供了理論依據; ( 5 )根據上述實驗結果,綜合運用工程力學、工程材料、機械設計學原理,推導、建立了轉錐式閃速熱解反應物料滯留時間( )與轉速(或頻率)合理匹配理論; ( 6 )提出了轉錐式閃速熱解反應的最小錐角設計、錐壁強度設計、生產能力設計理論和功率計算方法及臨界轉速理論等。
  10. 2 ) the inductance transducer used to identify large wear particle is developed. the analytical theory of wear particle and detection windings are expatiated and inner magnetic distribution of inductance transducer is discussed, the geometry parameters are optimized by using genetic algorithm, and the finite element analysis method is used in the designing

    2 )研製了識別大磨損顆粒的材質和其粒度的電感傳感,闡述了磨損顆粒與檢線圈的解析關系,探討了傳感的理論基礎,分析了電感式檢傳感內部的磁分佈,並應用遺傳演算法優化了傳感幾何參數,最後進行了有限元模擬分析。
  11. We did some analysis about the relativity between the vibration and the noise of the wheel. after the testing of the first line of guangzhou underground, we found that the existing wheel damper has nothing to do with the noise of wheel less than four thousands hz. compared of different contributions of the tread vibration and the web vibration on sound level of railway noise

    在實驗過程中,改進了對車輪的激振方式,利用單擺激振提高了激振力的精度;實驗分析了車輪阻尼的結構、安裝方式及其動力學參數對車輪阻尼降噪效果的影響;也分析了車輪振動與噪聲的相關性;現試廣州地鐵一號線的噪聲特性,確了車輪阻尼所要控制的頻率范圍;對比分析不同激振情況下,踏面徑向振動與輻板軸向振動對噪聲聲壓級的貢獻比例。
  12. Mechanical vibration - evaluation of machine vibration by measurements on non - rotating parts - part 3 : industrial machines with nominal power above 15kw and nominal speeds between 120r min and 15000r min when measured in situ

    在非旋轉部件上量和評價機的機械振動第3部分:額功率大於15kw額轉速在120r min至15000r min之間的在現量的工業機
  13. Solvent replacement experiment provided direct evidence that there was water - rich adsorption layer and the reaction took place in the layer. the changes of the water in adsorption system were determined by kf - 1 water microdetector and from these data the volume of the adsorption layer on sio2 was calculated

    首先用溶劑置換實驗驗證了納米反應的存在且是反應和粒子生長的所;再結合卡爾?費休水分了吸附體系中水分的變化,計算了sio _ 2表面吸附層的厚度。
  14. In all kinds of the instruments detecting the earth ' s gravity field at present, the superconducting gravimeter ( scg ) is considered by the international researchers as the one with the highest precision, the best continuity and stability

    目前在地球重力的各類儀中,超導重力儀已被國際同行公認為是精度最高、連續性和穩性最好的儀
  15. Mechanical vibration of large rotating machines with rotational frequencies from 10 s - 1 to 200 s - 1. measurement and evaluation of vibration severity in situ

    轉秒旋轉頻率的機的機械振動.現振動強度的和評價
  16. Standard practice for field pneumatic slug instantaneous change in head tests to determine hydraulic properties of aquifers with direct push ground water samplers

    用直推式地下水取樣蓄水層液壓特性的現氣動排料孔
  17. Radiation protection instrumentation - measurement of discrete radionuclides in the environment - in situ photon spectrometry system using a germanium detector

    輻射防護儀.量環境中的放射性核素.使用鍺探的現光子光譜系統
  18. This distorting effect doesn ' t affect the use of the magnetic field sensor, but if we want to eliminate its impact, we should study it through experimental measurements

    這種變異雖不影響磁傳感的使用,但要對其規律特徵予以,方能剔除由此產生的對磁量的不良影響。
  19. Acoustics - stationary audible warning devices used outdoors - part 1 : field measurements for determination of sound emission quantities

    聲學戶外用固式聽覺報警第1部分:聲發射量的現
  20. In - situ measurements of heat flux in industrial thermal insulation using heat flux transducers

    使用熱通量轉換工業絕熱材料的熱通量
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