gas noise 中文意思是什麼

gas noise 解釋
氣體雜訊
  • gas : n (pl gases )1 氣,氣體,氣態 〈cf fluid; solid〉 2 可燃氣,煤氣,沼氣;【礦物】瓦斯。3 【軍事...
  • noise : n 1 聲音,聲響。2 叫喊;嘈雜聲,噪音;喧鬧聲;吵鬧,騷動,騷擾。3 〈古語〉謠言,風聲。4 〈美國〉...
  1. In this thesis, flow regime identification and malfunction diagnosis of fluidization were studied with fractal technology, the presented methods for both flow regime identification and malfunction diagnosis were proved of effectivity. main achievements are as following : 1. fractal brownian motion ( fbm ) was made from gauss noise and compared with pressure fluctuation signal of gas - solid fluidization, which demonstrated the similarity between the fbm and the signal

    在通過fbm (分數布朗運動)數據模擬證明了氣固流化床壓力波動信號與分數布朗運動是相似的基礎上,提出了用分數布朗運動來模擬氣固流化床壓力波動信號,並採用r s分析法從信號時間序列中提取出hurst指數,通過分析信號hurst指數值對流化床流型和結塊故障進行了研究。
  2. Based on the analysis and study of the primary principle and countermeasure process of the underwater acoustic countermeasure equipments, the mathematical models of the typical underwater acoustic countermeasure equipments such as the wide - band noise jammer target radiation noise simulator echo simulator and the gas bubble are presented

    在詳細分析、研究水聲對抗器材有關基本概念、基本工作原理及對抗過程的基礎上,歸納、總結了噪聲干擾器、目標輻射噪聲模擬器、主動回波模擬器及氣幕彈等當前典型水聲對抗器材的數學模型。
  3. Its y series motor has advantages such as high efficiency, energy - saving, large start torque, fine perpor - mance, low noise, small vibration, high reliability etc. it ' s applicable for common places which exclude flammable & explosive type corrosive gas

    交通運輸十分便捷,我公司是製造各類中小型機電的專業生產企業,質量可靠,贏得了新老客戶的贊譽。
  4. The paper analyzed synthetically the environmental impact that is produced in construction time of under - ground no. one of shenyang, studied the generant rule and quantity of pollutants such as noise, vibration, waste water, waste gas and solid offal and etc., proposed countermeasures to alleviate and control environmental impact

    摘要通過對沈陽地鐵一號錢施工期產生的環境影響綜合分析,研究該項目在建設中產生的噪聲、振動、廢水、廢氣及固體廢棄物等污染物產生的規律和發生量,並提出緩解和控制環境影響的措施。
  5. The algorithm of image processing is the key. due to anomalous welding seam, the intensive arc light, random breaking of the bubble and gathering of the gas in the welding area, the seam images captured contain a lot of noise. in this case the noise must be removed and the welding seam is positioned accurately

    本系統的圖像處理部分採用了ccd攝像頭和視頻捕獲卡,圖像處理的演算法是最關鍵的部分,由於焊縫圖像並不是十分規則,而且在焊接時還會受到強烈弧光、飛濺和工件表面狀況的影響,因此在這種情況下,必須有效的排除干擾把焊縫的中心位置準確找出來。
  6. These initiatives include major developments of power plant flue gas desulphurization and low nox combustion system, novel monitoring systems and noise abatement of high voltage electrical substations

    完成香港一些環保及工程的先河建設。此等建設包括燃煤發電的脫硫裝置及低氧化氮燃燒系統,先進環境監測系統及變壓站消減噪音設施。
  7. The exhaust gas spews out of the exhaust valve and enters into the muffler along the exhaust manifold before draining into the atmosphere from the tail pipe. this process yields wide band exhaust noise

    發動機廢氣從排氣門高速沖出,沿著排氣歧管進入消聲器,最後從尾管排入大氣,在這一過程中產生了寬頻帶的排氣噪聲。
  8. When the natural frequency of the gas column in the inlet valve is consistent with the main frequency of the periodic air inlet noise, the resonance noise of the gas column will also become prominent in the air inlet noise

    進氣管空氣柱的固有頻率與周期性進氣噪聲的主要頻率相一致時,空氣柱的共振噪聲在進氣噪聲中也會較為突出。
  9. The turbocharger noise is formed by the rotation noise resulting from the periodical air cutting of the fan blade and the turbulent noise of high - speed gas flows. as a continuous high frequency noise, it mainly falls between the 500 to 10 000 hz range

    渦輪增壓器的噪聲是由於葉片周期性地切割空氣產生的旋轉噪聲和高速氣流形成的湍流噪聲而形成的,是一種連續性的高頻噪聲,主要分佈在500 ~ 10000hz的頻率范圍。
  10. The porous diffusion type silencer is widely used to reduce the air flow noise because of its small volume and high noise attenuating ability. the out case of the silencer plays a very important role in reducing noise. the effect of the hole ' s shape, diameter and the distance between neighboring holes as well as the matchup between the case and the sound absorbing material tube are investigated experimentally. the relation between the out - flow noise and the gas velocity distribution is carefully studied for two different kinds of matchup between the case and the sound absorbing material tube. some useful results are gotten, which may be valuable to the design of the silencer

    多孔擴散型消聲器由於其體積小、消聲性能高而廣泛應用到排氣噪聲的降低上,其外殼對消聲器的消聲性能具有重要作用.本文對此類消聲器外殼的孔型、孔徑和孔距以及外殼同消聲材料的配合方面進行了細致的實驗研究,特別對外殼與消聲材料的配合與其排放噪聲以及外部流場之間的關系進行了探討,得到了一些有用的結論,對消聲器性能的提高具有一定指導意義。
  11. The inflation of urban population has brought a series of problems, such as the environmental pollution, the ecology destruction, the excessively dense buildings, trash, waste water and gas, noise, solid waste, light pollution, the organic and inorganic pollution, and so on

    如環境污染,生態破壞,過密的建築物使人們在水泥林立的高樓大廈中生活,垃圾、廢水、廢氣、噪音、固體廢棄物、光污染、有機與無機污染等這一系列的城市公害,損害了人們的生存空間,威脅著人們的身體健康和生命安全。
  12. Experimental investigation of noise reduction on torpedo model by using the gas bubble screen technique

    魚雷氣幕屏蔽及模型降噪試驗研究
  13. Considered the tiny quantity of the hydrogen, first we choose the gas chromatography technology to analyze the component of the work gas and to obtain the chromatography curve. then, treat the curve with the adaptive aperiodic stochastic resonance algorithm in order to eliminate the apparatus noise submerged in the tiny hydrogen signal. at last, calculate the quantity of the hydrogen based on that the quantity varies directly as a function of the area of the chromatography curve

    考慮到氫的含量非常微弱,在測量時採用氣相色譜法,並通過自適應非線性隨機共振演算法對色譜信號進行處理,以便提取出被儀器噪聲淹沒了的微弱氫信號的色譜曲線,最後根據氫含量與其色譜峰面積呈正比計算出工作氣體中的氫含量。
  14. Apply to such industry as petroleum, chemical industry, textile, metallurgy, electron and atomic energy, etc., is it filter, charge dust, gas not to spread, is it steam take, catalysis reflect, electrolytic, eliminate noise, damping, hinder fire and sweat function of cooling etc. to flow to have

    應用在石油化工紡織冶金電子及原子能等工業中,有過濾收塵氣體擴散流蒸化催化反映電解消聲阻尼阻火及發汗冷卻等作用。
  15. At the same time, when the gas flow passes the flow area of the inlet valve at a high speed, turbulent throw - outs will appear and lead to the generation of high frequency noises. as the flow area of the inlet valve keeps changing, the turbulent noise is of fixed frequency range ( generally over 1 000 hz )

    與此同時,當氣流以高速流經進氣門流通截面時,產生湍流脫體,導致高頻噪聲的產生,由於進氣門通流截面是不斷變化的,因此湍流噪聲具有一定的頻率范圍,主要集中在1000hz以上的高頻范圍。
  16. In term of the characteristic of the item regarded, it is concluded that the exhaust gas produced by refectory and automobile is the source of air pollution, and the noise pollution is emanating from automobile and habitation, and the sewerage is derived from the domestic sewage, and the main garbage comes from living garbage

    根據該項目的特點,此次評價確定食堂燃油產生的廢氣和汽車尾氣是主要的大氣污染源,車輛和生活噪聲是主要的噪聲源,生活污水是主要的排污水,生活垃圾是主要的固體廢棄物。
  17. The performance of several real underwater acoustic countermeasure equipments like the noise jammer, the acoustic bait and the gas bubble are investigated

    分析研究了幾種典型的水聲對抗器材,包括噪聲干擾器、聲誘餌及氣幕彈。
  18. The problem of noise of the fan is studied with the non - linear theory, and pressure pulsation of axial flow fan ' s inside flow was measured by dynamic pressure sensor, the gas - structure coupled noise of contra - rotating axial flow fan was studied through a new perspective

    摘要用非線性動力學的理論對風機噪聲問題進行了分析,同時運用實驗手段測量了軸流風機流場內部流動的壓力脈動,從全新的角度研究了對旋風機的氣固耦合噪聲。
  19. The arc welding is one of the basic technology of shipping manufacture, the problems may be harm for the health of operators, who are exposed to the environment of welding fume, noxious gas, noise and electromagnetism for a long time, are always being paid attention by all government departments and professionals

    摘要電弧焊接是船舶製造中的基礎工藝之一,對操作人員長期暴露在焊接煙塵、有害氣體、噪聲及電磁等環境下可能危害健康的問題一直是各級政府部門和各界專業人士的關注的重點。
  20. The disposal of waste water and gas, noise and solid wastes comply with environment laws, regulations and the related requirements

    廢水廢氣噪聲排放和固體廢棄物的處置符合環境法律法規和相關方要求
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