度譜的 的英文怎麼說
中文拼音 [dùpǔde]
度譜的
英文
spectrometric-
An agonic algorithm of speech logarithm spectrum envelope
一種語音信號對數幅度譜包絡的無偏演算法Dithiocyanomethane is an efficient, broad - spectrum germicide and algaecide, displaying strong exterminating effects against germs, fungus and algae existing in circulating water. it maintains long - term effects and is applicable to broad ph value and temperature ranges
二硫氰基甲烷是一種高效廣譜的殺菌滅藻劑,對于循環水中存在的主要細菌真菌和藻類都具有高效的殺滅效果,而且藥效維持時間長,適應的ph值和溫度范圍較寬。The test must work in a specify rotation spectrum, temperature spectrum and load spectrum to analogize the reality condition
實驗器要在一定的載荷譜、溫度譜、轉速譜條件下工作,模擬軸承的實際工況。The spectrograph uses a concave diffraction grating that provides a wavelength dispersion of 4. 2a°/mm in the first order.
光譜儀用了一塊凹面衍射光柵,第一級光譜的色散度為42埃毫米。The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed
較好地解決多阻尼比反應譜擬合問題;本文方法通過一次運行就能獲得一組具有集系特性的地震動,在擬合多阻尼比反應譜的人造地震波集系的模擬方面有傳統方法所不能比擬的優勢,產生的人造波或人造波集系可滿足工程抗震設計需要;在遺傳演算法中,交叉概率和變異概率是影響收斂速度的重要參數,本文採用的改進自適應交叉概率和變異概率,可以根據當前樣本的好壞程度來自動地選擇適當的交叉概率和變異概率,以保證演算法始終以較好的速度向pareto最優解集逼近。After processing, the sensitometrically exposed step wedge is read on a densitometer and the data is plotted.
加工完畢后,即用密度計對試驗膠上復制的階梯級譜的密度進行測定,然後用測得的數據作圖。Elastic collision and inelastic collision are considered in oxygen molecule, nitrogen molecule by electron impart. the mail simulation results were as follow : ( 1 ) the variations of drift velocity and the average energy of electron with the e / n in o2 and n2 are obtained. the number of electrons for excitation, ionization, dissociation and dissociative ionization collision with the e / n and the energy of electron are analyzed emphatically
考慮了各種彈性和非彈性碰撞過程,在純氧氣、純氮氣中,給出了不同簡化場e n條件下的電子漂移速度和平均電子能量的變化;著重分析了激發、電離、分解及分解電離碰撞的粒子數隨e n 、電子能量的變化,同時計算了激發發射光譜的波長。In this method of measuring temperature, when the measuring results of time - resolved spectrum have been completed, computing the fit spectrum of corresponding planck bold - radiation with least duple multiply theory, the temperature is measured
溫度擬合方法的主要思想:獲得光譜的時間分辨測量結果后,用最小二乘法原理計算熱輻射譜(主要在可見光區)擬合得到相應普朗克黑體輻射加線,並解析其溫度。Kochs ek, bischoff p, pichelmeier u. surgical stimulation induce in brain electrical activity during isofluane / nitrous oxide anesthesia j. anesthesiology, 1994, 80 : 1026
趙暉,岳雲,蔡偉,等.腦電功率譜和雙頻譜指數在判斷麻醉深度上的同期比較j .中華麻醉學雜志, 1997 , 9 : 545The influence of the cloud droplet spectrum character and the spectrum growth and change is considered, which does not use a cut - off value for conversion from cloud water into rain water process. in the continuous coalescence equation, the particles fall velocity difference is not moved out from the integral, but is integrated in the equation as the function of diameter d to avoid the error of using particles average fall velocity. in the new scheme, generation rate of graupel due to the collection of snow by graupel and the collection of cloud ice by graupel are included
雲中凝結核ccn的數濃度採用超幾何函數表示;雲水向雨水的自動轉換過程採用grabowski ( 1999 )的公式,考慮了雲滴譜的特徵和發展變化對該過程的影響,而不是採用原方案給定閾值的方法描述該過程;對連續碰並方程不再將粒子落速差作為常量提出積分號外,而是直接作為粒子直徑函數在積分號內求解,這樣處理可以迴避使用粒子群的平均落速帶來的誤差;增加了霰和雪、霰和冰晶的碰並微物理過程。The change of agglutinating activity, cd spectrum and fls of lra in different temperature, ph and different chemicals indicated that lra had partial hemagglutinating activity at ph2. 0 ( 50 % ), a temperature above 100 ( 60 % ) and after modified by n - bromosuccinimide ( mbs ), the activity lost completely, modified by depc, the lra had a little activity, the other groups modified such as arg, tyr, glu, asp did n ' t effect the hemagglutinating activity of lra. the result indicated that trp residues were essential to the hemagglutinating activity and were involved in carbohydrate - binding site
研究不同溫度、 ph和基團特異性化學修飾后lra凝血活性和促淋巴細胞有絲分裂的變化、圓二色譜和熒光光譜的變化,當溫度達80以上時,活性開始下降,到100時活性有60 %保留:當ph為2時,活性保留50 % , ph為4一12對活性的影響不大;用nbs修飾trp后, t即的旦一叫睬基的破壞使活性完全喪失,表明trp對凝血活性是至關重要的, arg 、 tyr 、 glu 、 asp被修飾后, lra的凝血活性並未受到大的影響,但tyr修飾后lra的促有絲分裂活性降低Standard test method for ignitable liquid residues in extracts from fire debris samples by gas chromatography - mass spectrometry
用氣相色譜度譜術對火焰碎片樣品提煉物中可燃液體殘留物的標準試驗方法( 2 ) the emission spectra of laser ablation metal copper plasma were measured. the detailed mechanism of plume emission of cu plasma was qualitatively explained using a simple model based on excitation of atom and ion in plume arising from inelastic collision between the elemental species and electron with high kinetic energy. under the local thermal equilibrium model, the electronic temperature of copper plasma was deduced to be in the 104 scale by its emission lines
( 2 ) cu等離子體光譜:在420 570nm波長范圍內觀測了激光燒蝕cu等離子體的光譜和各發射譜線在等離子體中的空間分佈;比較了激光能量對cu等離子體發射光譜、電子溫度的影響;用局部熱力學平衡( lte )近似,測得cu等離子體的電子溫度為104k數量級;在不同背景氣壓下,觀測了激光燒蝕cu等離子體光譜的空間分佈。Influences of different damaged degrees of leaf miner - infected leaves on the near - infrared spectral reflectance
斑潛蠅蟲害葉片受害程度對其近紅外反射光譜的影響The watermark is embedded in the lpm of fourier magnitude spectrum of the original image, and a small portion of resulting lpm spectrum is used to calculate the watermark positions
在文章中,首先對原始圖像進行傅里葉變換,然後再將數字水印嵌入在該傅里葉變換的幅度頻譜的對數極坐標域。Abstract : according to the observation of the number concentration spectrum and the mass concentration of atmospheric aerosol, tsp and its particle size distribution, micrometeorology, and the solar spectroscopic radiation, even the neutron activation treatment of sand dust samples in helan mountainous area, the formation law of sandstrom, dust and sand blowing weather and the characteristics of climatic variation in this area and the influence of helan mountain are counted and analysed
文摘:利用賀蘭山地區沙塵暴歷史資料和綜合觀測資料,對大氣背景、浮塵、揚沙和沙塵暴發生期間的大氣氣溶膠數濃度譜、質量譜、大氣總懸浮顆粒( tsp )及粒徑分佈、微氣象、分光日射觀測以及沙塵樣品進行中子活化處理,分析了該地區浮塵、揚沙和沙塵暴形成規律,氣候變化特徵和賀蘭山的影響。According to the observation of the number concentration spectrum and the mass concentration of atmospheric aerosol, tsp and its particle size distribution, micrometeorology, and the solar spectroscopic radiation, even the neutron activation treatment of sand dust samples in helan mountainous area, the formation law of sandstrom, dust and sand blowing weather and the characteristics of climatic variation in this area and the influence of helan mountain are counted and analysed
利用賀蘭山地區沙塵暴歷史資料和綜合觀測資料,對大氣背景、浮塵、揚沙和沙塵暴發生期間的大氣氣溶膠數濃度譜、質量譜、大氣總懸浮顆粒( tsp )及粒徑分佈、微氣象、分光日射觀測以及沙塵樣品進行中子活化處理,分析了該地區浮塵、揚沙和沙塵暴形成規律,氣候變化特徵和賀蘭山的影響。All intensity measurements using photometric units include a spectral bias (spectral response of the human eye).
運用光度計裝量進行輻射強度測量都應包括一個光譜的偏倚(人眼對光譜的敏感度)。By polyploid nature and high levels of heterozygosity of vast majority pasture plants, it was rather complicated to construct linkage maps of them
由於大多數牧草的多倍性和高度異質特點,牧草遺傳連鎖圖譜的構建相對復雜。In chapter 3, this paper recommended the methods of estimating the parameter of moving target using cyclostationary and analyzed the performance of this method firstly, and put forward a recursive method for estimating the parameter ( velocity, acceleration ) of moving target combining the characteristic of high - prf pulsed doppler radar. then, based on the resolution of doppler and acceleration, combining the characteristic of the doppler spectrun and acceleration spectrum, this paper put forward a new method for differentiating muli - target
然後,從彈載高重頻脈沖多普勒雷達的多普勒解析度和加速度解析度出發,結合不同編隊方式的多目標回波信號的特點,分析了多目標和單個目標的回波信號的多普勒譜和加速度譜的特性,提出了一種基於一維多普勒像和一維加速度像的級次多目標分辨演算法。分享友人