primary spectrum 中文意思是什麼

primary spectrum 解釋
第一級光譜
  • primary : adj 1 第一的,最初的,初級的;初等的;基本的;基層的。2 主要的,為首的,第一位的。3 原始的,根本...
  • spectrum : n. (pl. -tra )1. 【物理學】譜,光譜;波譜;能譜,質譜。2. 【無線電】射頻頻譜;無線電(信號)頻譜。3. 【心理學】(眼睛的)余像;殘像。4. 〈轉義〉范圍,幅度;(連續的)系列。
  1. A primary study on the value of uv - absorbing spectrum of gastric juice in the diagnosis of gastric cancer

    胃液紫外光吸收光譜對胃癌診斷價值的初步探討
  2. Results every patient had a long course of diseases and abroad pathological changes in lung, had treated by broad - spectrum antibiotics and hormone, clinic symptom wasn ' t representative, and aptitudinal to postpone diagnose because it was cover up by the primary affection

    結果所有病例病程較長,肺部病變廣泛,有長期反復應用廣譜抗生素及激素史,臨床表現不典型,易被原發病癥狀所掩蓋而延誤診斷。
  3. Based on the spectral irradiance measured with the sun - atmosphere ultraviolet spectrum radiometer ( sauvs ) developed by the institute of atmosphere physics and the changchun institute of optics and fine mechanics, chinese academy of sciences, measuring the direct and scatter irradiance spectrum of ultraviolet waveband which arrives in beijing global surface, giving a method of retrieving the aerosol optical depth ( aod ) and put up with primary results that exponential function can fit the retrieval results according to its visibility, putting forth different coefficients and functions on variable visibility, also giving a primary analysis on the aod in dust - storm day and some contrast between sun - day and dust - storm day, analyzing the ratio between scatter and total irradiance, and its relationship with atmosphere mass and total atmosphere optical depth, lastly contrasting with the survey results by aeronet beijing station, the results of retrieval is in reason, this work gives some help in researching the co - effect of aerosol - radiance - climate and makes preparation for further survey on the radiance characteristics of dust

    利用中國科學院大氣物理研究所與長春光學精密機械研究所合作研製的太陽?大氣紫外光譜輻射計( sauvs ) ,測量到達北京地表的太陽直接和散射紫外光譜輻射,導出了大氣氣溶膠的光學厚度。初步結果表明:北京紫外波段大氣氣溶膠的光學厚度在絕大部分情況下隨波長的增加而單調減小,用指數函數可以較好地擬合反演結果,統計得到了三個水平能見度狀況下擬合函數的系數值和公式表達式;初步分析了揚沙、浮塵、沙塵暴天氣條件下氣溶膠光學厚度的特點,並與一般晴朗天氣條件下的氣溶膠光學厚度特點做了比較分析;分析了太陽紫外譜輻射中散射輻射與大氣質量、大氣總光學厚度的定性關系和定量表達式;最後與全球氣溶膠監測網路( aeronet )北京站的資料做比對,表明反演結果基本合理。
  4. ( 二 ) using spectrum analysis investigate the transport character and primary rule of explosion wave in the medium, simulate the formula of attenuation for explosion wave, which will be used to guide the design of the engineering

    (二)採用頻譜分析方法研究了爆破產生的地震波在介質中傳播的特性和基本規律,擬合出了指導工程設計與研究的地震波振速衰減經驗公式。
  5. For getting temperature of transient thermal - radiation, lodging the method of measuring the temperature of the time - resolved thermal - radiation with least duple multiply theory, and measuring the temperature of wu lamp with this method, the results showed that the method have best properties for measuring temperature, and measuring the temperature of time - resolved spectrum of matter under pulse laser shocking with this method, getting the primary results

    為了解析瞬態熱輻射溫度,提出用最小二乘法對由多道分析器採集的時間分辨熱輻射譜進行全譜溫度擬合的方法,在以鎢帶燈為輻射源的溫度測量中實現了較高精度的溫度擬合,用此方法對激光沖擊靶材所產生熱輻射的時間分辨譜溫度進行測量,得到了初步結果。
  6. The growth rate of inflectional instability and viscous instability also saturate similarly to the primary and nonlinearly generated disturbances. the main effect of inflectional instability mode in the final breakdown seems to interact with the disturbances having developed and thus widens the frequency spectrum to turbulent state

    屬于拐點不穩定性的高頻二次不穩定模態對最後轉捩的影響主要體現在與其它擾動的相互作用,並導致出現紊流狀態寬帶頻譜。
  7. A coke oven represents a kind of controlled object with a full spectrum of closely coupled factors, such as distributed parameters, no - linearity, time - dependent change and multi - variable features. among them, the discharge header pressure and fan suction are key parameters, and also constitute strongly coupled variables with very close inter - relation, which are fulfilled by the way of regulating coal - feeding and the rate of primary air supply in practice

    焦爐是一個分佈參數,非線性、時變、多變量緊密耦合的被控對象,其中集氣管壓力和鼓風機吸力既是關鍵參數,又是具有緊密關系的強耦合變量,它們均是通過調節給煤量和一次送風量來實現控制的。
  8. The first - order perturbation method correct for forcing decoupling method based on perturbation theory is put forward to decrease error ; iii. the complex modal method is introduced into analysis of non - classical damping systems to eliminate error of forcing decoupling method, and improve the complex modal response spectrum, which can apply to design of non - classical damping systems ; iv. for exerting the energy dissipation capability of each device, a two - step optimum method, whose controlling function is extremum expectation of interbedded displacement, is put forward to optimize the number and position of device ; v. the problem of iterative method applied to analyze energy dissipation systems is indicate, and give some primary advice based on pilot study

    為改善上述缺點,本文進行了以下的研究工作:在忽略耗能器附加質量的基礎上,推導出適用於耗能減震結構的攝動法,減少振型分解法在迭代計算過程中的工作量,加快計算速度;針對運動方程的強行解耦所產生的誤差,根據攝動法原理,對其進行一階攝動修正;為消除強行解耦振型分解法用於非比例阻尼結構分析時產生的誤差,引入狀態空間對系統進行復模態分析,並改進了基於復模態理論的、適用於非比例阻尼結構設計的雙反應譜方法;對于耗能器的數量和位置優化進行了一些探討和研究。
  9. In this paper, we present the basic principle of dual flap wave - maker and the producing of driving signal firstly, and then the influence of two distinct fft methods with the same wave signal to the primary parameters of wave spectrum

    摘要敘述了採用雙搖板造波系統的基本思想及雙搖板造波信號的生成,並分析了同一波浪信號用不同譜分析法對所得主要譜參數的影響。
  10. A primary molecular epidemiological study on broad spectrum beta lactamases

    內酰胺酶分子流行病學的初步研究
  11. The lower - band spectrum caused by unbalancing rotor and eccentric error of primary axes is analysised firstly. the vibration of basic factors and its features caused by the basic member are discussed, such as turbo - propellers, planetary - reducer and bearings

    首先分析系統中由於主轉子動靜不平衡、主軸不對中而激發低頻諧波成分的現象,而後討論螺旋槳、行星減速器及軸承的振動故障機理以及整機振動綜合分析方法。
  12. Test method for calibration of primary non - concentrator terrestrial photovolatic reference cells using a tabular spectrum

    利用平行光譜校準初級非濃縮地面光伏比對電池的試驗方法
  13. Standard test method for calibration of primary non - concentrator terrestrial photovoltaic reference cells using a tabular spectrum

    用表列光譜校準初級非集中大地光電參比電池的標準試驗方法
  14. The experimental study, which is the research on manpower lamp - house in the whole - spectrum simulation of solar radiation, is the primary content and the important part on the simulation of many - parameters in the environment

    太陽輻射全光譜模擬人工光源的實驗研究是多參數綜合環境模擬試驗室的的主要內容和重要組成部分。本文的主要研究內容和成果如下: 1
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