cmf 中文意思是什麼

cmf 解釋
成明峰
  1. Cmf system and corporation management innovation in china

    制度與中國公司治理制度創新
  2. In present experiments, the lowest density of cmf organic aerogel is 0. 062 g / cm3, the density of the corresponding carbon aerogel is 0. 090 g / cm3. meanwhile, the synthetic mechanism of cmf aerogel was deduced firstly based on the primary experimental demonstation.

    目前實驗條件下合成的c _ mf有機氣凝膠最低密度為0 . 062g cm ~ 3 ，相應炭氣凝膠密度為0 . 090g cm ~ 3 ，所得氣凝膠具有規則的網路結構。
  3. The coriolis mass flowmeter ( cmf ) is widely used in industries, because it has many advantages - high measurement accuracy, being able to measure fluid mass flow directly and measure various parameters of fluid, etc. originally analog signal processing methods are used for cmf, but some companies and institutes devote themselves to digital signal processing methods because they have many advantages over analog methods

    科里奧利質量流量計由於其精度高、測量流體范圍廣、可做多參數測量等優點，在工業上獲得了廣泛的運用。原來的科氏流量計的信號處理主要是採用模擬電路，由於模擬信號處理系統存在很多缺點，越來越多的公司和研究機構都投入大量的人力物力來研究數字信號處理方法和系統。
  4. The pyrolysis process of the cmf aerogel was investigated firstly by means of ir technique. the results showed an infrared active vibration occured in the temperature range of 400 - 600 " c, which was corresponding to the tubstatic graphitized structure formed hi these aerogels

    採用ir分析技術跟蹤c _ mf氣凝膠的熱解過程，發現400 600之間樣品中出現石墨化結構的紅外活性振動，表明炭氣凝膠的微結構中開始有亂層石墨化微晶出現。
  5. According to the features of the signal of cmf, i. e. the signal frequency varies in a small range and the signal is subjected to the harmonics, a digital method based on a digital phase locked loop is used to process the signals of cmf, tracks the change of the signal frequency and calculates the phase difference. the technique proposed by the u. s. patent has been improved and made the simulation

    針對科里奧利質量流量計信號的特點，即信號頻率在小范圍內變化和信號易受諧波干擾的特點，採用基於數字鎖相環的方法處理科氏質量流量計的信號，跟蹤信號頻率的變化，計算相位差，對美國專利提出的方法進行了改進，並作了模擬。
  6. Moreover, the driving system is an important part of cmf. it supplies the driving force for flow tubes, and makes flow tubes oscillate at their natural frequency and the fixed amplitude. at the same time the oscillation frequency of the driving system can change with the natural frequency of flow tubes

    同時，驅動系統是科里奧利質量流量計的重要組成部分之一，它為流量管提供驅動力，使流量管以其固有頻率和穩定的振幅振動，並且能夠跟隨流量管固有頻率的變化而變化。
  7. Now the driving system of cmf works in the analog mode. the operation principle of the driving system is analyzed, various driving signals are compared from power consume, feasibility, and driving frequency. then several kinds of driving circuits are studied in this paper

    本文分析這種驅動系統的工作原理，並且從能量的觀點、實現的難易程度、對高低頻振動管的驅動等方面比較了各種波形的驅動信號，本文還研究幾種驅動電路，以產生相應的驅動波形。
  8. In the presence of sodium hydrate, the polymerization of mixture cresol ( cm ) with formaldehyde resulted in the formation of low - density, monolithic, free - crack cmf organic and carbon aerogels

    以混甲酚（ c _ m ） 、甲醛為原料， naoh為催化劑成功合成了低密度、塊狀無裂紋c _ mf有機氣凝膠及炭氣凝膠。
  9. Many products were also dropped from the distribution either because they were obsoleted, or because they are incompatible with the newer zope, cmf or plone

    很多產品也同時在這個釋出版里被廢棄了可能是因為它們已不再使用，或是因為它們和新的zope cmf或plone不相容。
  10. A new kind of method is proposed for the signal processing of cmf in this paper

    提出基於自適應funnel濾波器和滑動goertzel演算法的科氏流量計信號處理方法。
  11. Carbon aerogels can be prepared upon pyrolysis of the cmf organic precursors at 900 ?, which can inherit well the 3d network of the original organic aerogels

    將c _ mf有機氣凝膠炭化可以得到炭氣凝膠，它繼承了有機氣凝膠的三維網路結構。
  12. Aiming at developing the industrial economy in chinese western region, cmf adopted the central government ' s scientific development policy and the strategy of promoting equipment manufacture, and it has gained the main support from local government, units, enterprises and manufacturers from chongqing and the western region

    隨著我國改革開放的不斷深入和經濟的持續快速發展，中國的模具技術、模具設計、加工和製造水平有了很大的提高，一直在以每年15 %左右的增長速度不斷快速發展。
  13. On the basis of our lab ' s previous achievements, the author has studied three kinds of digital signal processing methods - the method based on a digital phase locked loop, the method based on quadrature demodulation, and the method based on adaptive funnel filter ( aff ) and sliding goertzel algo rithm ( sga ). the author has also studied the cmf driving principle, various analog driving circuits, driving waves, and digital driving methods

    主要研究了三種科氏流量計的數字信號處理方法：基於數字鎖相環的方法、基於正交解調的方法和基於自適應funnel濾波器和滑動goertzel演算法的方法；以及科氏流量計驅動的原理、各種模擬驅動的波形、電路以及數字驅動的方法等。
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