有機波譜 的英文怎麼說

中文拼音 [yǒu]
有機波譜 英文
organic spectrum
  • : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
  • : machineengine
  • : 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...
  • : Ⅰ名詞[書面語]1 (按類別或系統編成的書或冊子等) table; chart; register 2 (指導練習的格式或圖形)...
  • 有機 : organic organic
  1. The types of the detection equipments and apparatus are over 100, such as x - ray detector, r - ray detector, digital ultrasonic flaw detector, eddy current flaw detector, eddy current flaw detector, magnetic memory metal diagnostic instrument, acoustic emission testing an analyzing system, three - dimensional ultrasonic testing system, microcomuterhydraulic pressureniversal testing machine, metalloscope, portable direct - read spectrograph, have achieved the national advanced technology

    各種檢測設備100多套,如射線探傷、數字式超聲探傷儀、渦流探傷儀、磁記憶金屬診斷儀、聲發射檢測及分析系統、三維超聲檢測系統、便攜式直讀光儀、微式液壓萬能試驗、金相顯微鏡等,達到國內先進水平。
  2. Our factory is established in 2004, the existing staff 80 people, workshop area 2000m2, has the production assembly line 3 and thespectrometer, the oscilloscope, the high frequency signal generator, leaks the reflectoscope reflector, the pressure resistancereflectoscope reflector, the overflow welding machine, production, thecheck - out facility and so on led lamps and lanterns simulationreflectoscope reflector

    我們廠成立於2004年,現員工80餘人,廠房面積2000m2 ,擁生產流水線3條及頻儀、示器、高頻信號發生器、漏電測試儀、耐壓測試儀、溢流焊、 led燈具模擬測試儀等生產、檢測設備。
  3. However, the efficiency of pwm at light load is low and the filter design of pfm is rather difficult due to the random characteristic of the frequency spectrum distribution

    採用相應調制方式的ic品種繁多,各千秋。但pwm在輕載時效率較低,而pfm由於頻分佈隨,不利於后續濾器的設計。
  4. Adopting high speed digital signal technique of collection and processing to get indexes which can show the unevenness, such as cv, uneven curves, spectrogram, etc

    採用高速數字信號採集處理技術,能得到cv值,不勻曲線,圖等反映紗條不勻信息的用指標,人界面友好,操作簡單方便。
  5. The modified traveling wave monopole model is employed in simulating the electron beam in crt of computer vdu. meanwhile acceleration fields of the electron beam are studied in details and its expression given for the first time with measured results. a novel analyzing method is proposed to study the spectrum of electromagnetic information leakage based on the viewpoint of field point, which has been verified effective by experiments

    採用經修正的行單極子模型模擬計算陰極射線管顯示器電子束,並詳細研究了電子束的加速場,首次給出了其計算公式和實驗測試結果;還提出了一種新的從場點出發的信息電磁泄漏頻分析方法,實驗證明了其效性; 3
  6. As explained by the following figure, gas in low pressure and low density will alter the light that passes through it. it is because the gas will absorb light at some particular wavelengths and re - radiate it in random directions. thus, after passing through the low pressure gas, the spectrum of the original white light will have dark lines, called

    並不是所都是黑體輻射光,如下圖所示,低壓下的低密度氣體會改變通過它們的光線,這是由於氣體會吸收特定長的光並隨向不同方向把所吸收的光線輻射出來,結果光線在通過低壓氣體后,原本的光上會出現很多稱為
  7. In light of the limitation of fast fourier transform ( fft ) for the method of traditional spectrum analysis to analyze the unsteady signal, wavelet and wavelet analysis are made for the typical unsteady process signal of starting up and shut down with the good characteristic of simultaneous localization in both the time and the frequency domains based on the field test on the vibration of two - row placed units in lijiaxia hydropower station, in which the signal is decomposed into different frequency band, and then the weak signal is caught and the dominant frequency is picked up for the analysis of the vibration source

    摘要基於李家峽水電站雙排組振動的現場試驗研究,並且針對傳統頻分析方法傅立葉變換( fft )對于非平穩信號已力不從心這一缺陷,利用小分析方法在時域和頻域上同時具良好的局部化性質,通過對開停這一典型非平穩過程信號進行小及小包分析,將其分解到不同頻帶內,獲取微弱信息和提取優勢頻率,並對其作振源分析,得出開停初始時刻因水流不穩均出現強烈的振動現象,且低頻段信號能量最大,開停過程水流脈動壓力和尾水渦帶擺動是引起定子基礎振動的主要原因。
  8. Following, we developed an electronic nose adopting advanced technology which combined capillary column to separate vocs according their different retention time and surface acoustic wave sensor coating with polymer film to detect the qualities of those vocs. in my article, lung cancer situation, breath detection principle, feasibility of electronic nose adopting breath detection, and the principles of spme & gc have been particularly introduced. and initially certified the correlation between lung cancer and the marker vocs by detecting lung cancer patients breath, normal human breath, and lung problem patients by solid phase microextraction ( spme ) and gas chromatography ( gc ) system

    本課題根據國外關于呼吸氣體中某些氣體成分和肺癌相關性的研究工作報告,採用固相微萃取?氣相色系統對肺癌病人呼吸氣體、正常人呼吸氣體、和其它類肺病患者呼吸氣體中的氣體成分進行對比檢測、研究,以期確定肺癌病人呼吸氣體中特徵氣體成分;並且期望建立首創的採用毛細管色柱與聲表面傳感器聯用技術的電子鼻系統,與固相微萃取?氣相色系統作為對比檢測,能夠做到粗篩肺癌病人。
  9. Dual randomized modulation technique is more effective than existing simple random modulation schemes, such as random position modulation or random switching frequency modulation, in dispersing the power spectrum

    與已經存在的任何一種單隨方案相比,雙隨調制技術驅散諧能量而使之具更寬的帶寬,能更加效地減少功率變換器系統的離散峰值。
  10. Abstract : it is essential to research radar clutter with non - gaussian spectrum and non - r ayleigh distribution in modern radar design. based on spherically invariant rando m process ( sirp ), this paper applies a new algorithm to model the clutter with k d istribution in amplitude and any power density spectrum. at last it is proved tha t thi s method is correct and applicable with real simulative clutter and statistical detection result

    文摘:研究並模擬具非瑞利幅度分佈和非高斯功率的雷達雜是現代雷達信號處理中的一個重要的研究課題.文中基於球不變隨過程( sirp )的建模方法,針對實地採集的幅度滿足k分佈並具理功率的高解析度雷達雜,運用現代估計演算法對其進行建模和模擬,並以模擬雜與實際雜的數據對比和統計檢驗的結果對該方法進行了驗證
  11. This article describes a way of special ultrasonic system which monitors thermal stress in seamless welded rails. this monitoring system is a non destructive testing system, which adopts avr mcu and high - precise time chip processing as the core of it, and adopts the critically refracted longitudinal wave as the object of measuring. my studying focuses on the theory of the monitoring system, which will be listed in this arctile : according to the snell theory, the theory of motivating of critically refracted longitudinal wave is described in details, and the finite element software is used to emulate the propagating course. the formulas of calculating the pts of swr are taken from the acoustoelasticity theory, and the calculating the parameters is introduced. according to assemble materials, three kinds of ways of monitoring the pts of swr using critically refracted longitudinal wave are described, which are measuring the sound - time in changeless distance, ultrasonic critical - angle refractomery and frequency spectrum, the first way of ways is used in this experiment system. the factors, which effect the monitoring system, are assaid in some degree based

    本文的研究工作重點在無縫焊接鋼軌溫度應力測量系統的理論模塊,包括根據snell原理,研究極限折射縱的激發理,並使用限元軟體ansys進行模擬;根據聲彈性理論以及公式推導出計算無縫焊接鋼軌中的溫度應力的公式,並對其中參數的求解方法進行介紹;根據收集的資料,介紹了三種使用極限折射縱測量無縫焊接鋼軌溫度應力的方法,即固定距離測量聲時法、臨界角折射法和頻分析法,本實驗系統使用的是第一種;根據實驗經驗以及相關資料,分析了影響極限折射縱測量溫度應力的幾個因素,並提出了相應的解決方法;根據實驗系統的需要,獨立設計並加工出相關配套的實驗設備,包括實驗鋼塊、玻璃楔塊、固定件、載荷外框裝置等。
  12. The classification and name of the catalytic wave are proposed as follows : ( 1 ) the parallel catalytic wave, which includes the parallel catalytic wave, the induced adsorption - parallel catalytic wave and the association - parallel catalytic wave. ( 2 ) the parallel catalytic hydrogen wave, which includes the parallel catalytic hadrogen wave and the association - parallel catalytic hydrogen wave

    建議化合物極催化的主要類型及其命名分別為: ( 1 )平行催化,包括平行催化、誘導吸附平行催化和締合平行催化; ( 2 )平行催化氫,包括平行催化氫和締合平行催化氫
  13. In the third section, i. e. chapter five, the normal raman spectra of nil2, cul2, pdl2 powder are studied under the excitation of laser with the wavelength of 632. 8nm and aqueous silver colloid is prepared by pulsed laser ablation, from which the surface enhanced raman spectra of the three compounds are obtained. after preliminary assignment, the identical and different features of vibration of the compounds due to the different central metal atoms are analyzed

    第三部分,即論文的第五章,我們以632 . 8nln為激發長研究了nilz 、 culz和pdl :三種新型金屬化合物粉末的正常拉曼光,並且以脈沖激光刻蝕法制備了水銀膠,以其為襯底研究了三種化合物溶液在其上的表面增強拉曼光,通過對其拉曼光進行了初步指認,了解由於中心原子的不同,三種金屬化合物分子振動的相同和區別。
  14. The polarographic catalytic waves of organic compounds, such as protein, flavone, steroide, quinine, - unsaturated carbonyl compound, nitrogen - containing substances and charged surfactants, and their application are briefly introduced

    簡要介紹蛋白質、黃酮類化合物、甾族類化合物、醌類化合物、 ,不飽和羰基化合物、含氮化合物和荷電表面活性劑等不同種類化合物的極催化及其應用。
  15. Conventional methods for detecting residual organophosphorus pesticides included chromatography, mass spectrometry, spectroscopy, et al., they were time consuming and costly, and were hard to satisfy the increasing requirements of the online detection

    傳統方法檢測磷農藥檢測方法主要包括色法,質法以及法等,它們通常耗時長、成本高、難以滿足現場快速檢測的需要。
  16. Thermodynamics and chemical equilibrium ", etc. these courses cover common analytical tools in chemistry, various spectroscopic methods and their applications for the identification of chemical compounds, as well as the structure, bonding, and properties of organic and inorganic compounds

    這些科目分別講授一些常用的現代化學分析法及一般法在結構測定中的應用、無化合物的一些結構和反應以及熱力學的原理。
  17. Abstract : polyphenylacetylenes were synthesized by rn ( nbd ) cl 2 and wcl6 / ph4sn catalyst systems in n2 at room temperature. polymers with high yield and high molecular weight were obtained. their structures were characterized by uv, ir, nmr and gpc, respectively. the fluorescence of the polymer solution with different concentration was investigated using variable excitation wavelength from uv to visible region. the relation between fluorescence and polymer structure was studied. the results showed that the molecular chain structure has great influence on fluorescence of the polymers. the emitting peak wavelength of fluorescence for the polymer of high stereoregularity is independent of solution concentration and excitation wavelength. the emitting peak wavelength of fluorescence for the polymer with disordered molecular chain arrangement varies with changing the solution concentration and excitation wavelength, and different emission sites in molecular chains and low emitting yield are shown. the measurement and analysis of fluorescence spectroscopy of polyphenylacetylenes may provide some useful information to judge the molecular chain arrangement in some conjugated polymers

    文摘:使用金屬銠、金屬鎢/四苯基錫催化劑體系聚合苯乙炔,分別獲得了高產率和高分子量的聚苯乙炔.使用uv , ir , nmr , gpc等分別對聚合物結構進行了表徵.採用不同長的激發光對聚合物熒光性能進行研究,詳細分析了聚合物結構與熒光性能之間的關系.研究結果發現,不同聚合物結構對聚合物熒光性能產生很大影響,規整性高的聚合物,將較高的發光量子效率;聚合物規整性差,將可能導致多個熒光發光結構點,其熒光強度降低.聚合物熒光光研究將對某些共軛聚合物結構的規整性分析提供一些用的信息
  18. At last we introduce the realization of all the parts, the problem in the circuit design and the measured data. the results show that the designed system has met the requirement. in this dissertation, direct digital synthesis technology has been used in the phase - locked frequency synthesizer, which can make full use of the characteristics of direct digital synthesis technology such as flexible output wave shape and continuous

    本課題將直接數字式合成技術用於鎖相頻率合成器中,該方法將直接數字合成的特點,如輸出形靈活且相位連續、頻率穩定度高、輸出頻率解析度高、頻率轉換速度快、輸出相位噪聲低、集成度高、功耗低、體積小等與鎖相環路的頻帶寬、工作頻率高、頻質量好等優點的結合起來,從而在寬帶的條件下實現了比較好的雜散性能和相噪。
  19. Students are given ample training in logical thinking. they are required to take the following courses and the related laboratory courses in their early years : " analytical chemistry

    學生在低年級時必須修讀分析化學、分析法原理、主族元素化學、基礎化學、熱力學與化學平衡等科目及相關的實驗課。
  20. By the simulation results, it is verified to have excellent performance. a class of uncertain nonlinear systems which can be transformed into strict feedback nonlinear systems is investigated based on feedback linearization approach of differential geometry. an adaptive robust controller with l2 - gain is proposed by using backstepping technique. the numerical method is given and it is proved to be practical by simulation results. lt is a more practical method to solve hji for a special nonlinear system because the problem to solve hji is very difficult in general case, and only get the approximate solution when it can be solved. an effective method to solve hji is presented for a class of nonlinear system which is ordinary

    考慮到一般情況下,求解hji是非常困難的,並且也只能得到近似解,因此,在系統設計時,針對具體非線性系統的特殊結構以求解hfl是系統設計的一種行之效的方法,基於以上考慮,對一類具廣泛工程背景的非線性系統,提出了一種求解hfl的效方法,便於實際應用。最後,從的角度,研究隨海浪的模擬問題,給出了船舶橫搖模擬中需要的隨海浪傾角的模擬方法。
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