阻聲板 的英文怎麼說
中文拼音 [zǔshēngbǎn]
阻聲板
英文
baffle-
The le - an oil field is located on the southern slope of dong - ying sag. there are two sets of ek basalt in its western block. depending on the drilling, the logging and the seismic date, tha ek basalt has the characteristics of high resistancs, the low sound wave defferance and faradic conductance, the smooth curve of self potential
樂安油田位於東營窪陷南斜坡上，其西區發育了兩套孔店組玄武巖，根據鉆井、測井、地震資料，孔店組玄武巖具有電阻率高、聲波時差值和感應電導率值低、自然電位曲線平直的特點，地震波呈板狀強反射；沉積期該區有有二次火山活動，玄武巖平面分佈比較穩定，噴發方式為「裂隙式噴溢」 ，火山口分別位於草12和草31井附近。Slag wool sound - absorbing panel is a kind of top grade decorative material integrating decoration, sound absorption, fireproofing, cold & heat insulation, and energy - saving to a whole
礦棉裝飾吸聲板，是集裝飾、吸聲隔音、防火阻燃、隔冷絕熱、節能絕緣八大特點於一體的高級裝飾（輕體建築）材料。1, product uses : wall panels, ceiling panels, fire panels, waterproof panels, boxes, etc., can be substituted for wood plywood so qiangqun, doors and windows shutter panels, furniture, etc., as well as by the need to reconcile painting, water painting, and processed into various types of panels face and can be used for the basement, air and mine, moist environment works, but also with a variety of heat preservation material composite, manufactured composite food warming plate 2, product characteristics : bolivia has a magnesium plates withstand high temperatures, fire, acoustic vibration, waterproofing curing, pest control, light corrosion, drug - free tasteless clean, the paint can be directly with noodles, available gas nails, direct, tiles, surface better color
1產品用途：墻板，吊頂板，防火板，防水板，包裝箱等，可替代木質膠合板做墻裙，門窗板門板，傢具等，也可根據需要做調和漆，清水漆，並可加工成各種類型的板面，同時可用於地下室，人防和礦井等潮濕環境的工程，還可以與多種保溫材料復合，製成復合保溫板材2產品特性：玻鎂板具有耐高溫阻燃吸聲防震防水防潮防蟲輕質防腐無毒無味無污染可直接上油漆，直接貼面，可用氣釘直接上瓷磚，表面有較好的著色性。Noise attenuation is achieved by insulating works that produce noise. temporary movable noise barriers are used to act as effective shields against noise
對于產生噪音的工程，有關方面會以臨時及可移動的隔聲板作為阻隔噪音的有效屏障，以減低噪音。In 2000 passed theiso9001 quality system authentication, the main camp product includes : the filter, filters the separator, the oil - water separator, thesilencer, cuts shui qi, the respiration valve, the fire resistance, the hydraulic pressure safety valve, kong leijian, the metal vlexiblehose, the ripple compensator, fluctuates under the oil installment, the pot the sampling, the crane tube, lightly falls the springboard, the steel structure trestle, the liquid level indicator, the oilinterceptor, the heater, regards product and so on boundary
2000年通過了iso9001質量體系認證，主營產品有：過濾器、過濾分離器、油水分離器、消聲器、切水器、呼吸閥、阻火器、液壓安全閥、孔類件、金屬軟管、波紋補償器、浮動出油裝置、罐下采樣器、鶴管、輕落跳板、鋼結構棧橋、液面指示器、阻油器、加熱器、視境等產品。Material production recipes bittern mgcl from territories green roast bolivia glass cloth face paper other additives : sawdust product specifications : 2400 x 1200 x 8mm 9mm 10mm 12mm 2440 x 1200 x 8mm 9mm 10mm 12mm product features : bolivia has a magnesium plates withstand high temperatures, fire, acoustic, vibration, pest control, corrosion, non - toxic tasteless clean, direct, painting, directly onto face, available gas nails, direct, tiles, surface better color nature, high intensity, resistance bending a resilience and can be made, may sawn, may stick, decoration convenience
生產玻鎂板材料配方鹵水mgcl苦土青燒玻璃布面紙其他添加劑:木屑或珍珠巖產品規格: 240012008mm 9mm 10mm 12mm 244012008mm 9mm 10mm 12mm產品特點:玻鎂板具有耐高溫阻燃吸聲防震防蟲防腐無毒無味無污染可直接上油漆直接貼面，可用氣釘直接上瓷磚，表面有較好的著色性，強度高耐彎曲有韌性可釘可鋸可粘，裝修方便。On the basis of above parts, this paper discusses the noise muffling of several kinds of plates. it gives the modifying formula of the mass law and verifies its accuracy with an example. at last, this paper explains the effect of stiffeners and damping on the plates " muffling characteristics
在認識隔聲理論的前提下，研究了板在寬頻域范圍上的隔聲特性，並總結了板材加筋以及敷設阻尼對結構隔聲的影響，具有一定的工程實用價值。Matlab procedure is coded to compute the far - field sound pressure levels of the shell excited by radial point force. the influences of modal truncation, stringers, bulkheads and damping on the shell ' s far - field sound pressure are analyzed, laying down the basis for accurate analysis of the sound radiation from fluid - loaded reinforced double cylindrical shells
本文用matlab編製程序求解了單層殼在徑向激勵力作用下的遠場聲壓級，分析了模態截斷數、縱骨、艙壁板、結構阻尼等因素對殼體遠場輻射聲壓的影響，為準確計算加筋雙層殼在水下振動和聲輻射特性奠定了基礎。We did some analysis about the relativity between the vibration and the noise of the wheel. after the testing of the first line of guangzhou underground, we found that the existing wheel damper has nothing to do with the noise of wheel less than four thousands hz. compared of different contributions of the tread vibration and the web vibration on sound level of railway noise
在實驗過程中，改進了對車輪的激振方式，利用單擺激振提高了激振力的精度;實驗分析了車輪阻尼器的結構、安裝方式及其動力學參數對車輪阻尼器降噪效果的影響;也分析了車輪振動與噪聲的相關性;現場測試廣州地鐵一號線的噪聲特性，確定了車輪阻尼器所要控制的頻率范圍;對比分析不同激振情況下，踏面徑向振動與輻板軸向振動對噪聲聲壓級的貢獻比例。To provide a method that can be used to predict single or multi - layered microperforated panel ( mpp ) performance precisely, especially when the mpp has holes of different diameter and irregular shape
摘要提出用實驗測得含不同孔徑孔的微孔板聲阻抗率來預測由其形成的單層或多層微孔板的吸聲特性，並用傳遞矩陣法來預測該微孔板的各種組合結構的整體吸聲性能。If the drums will be set up on the floor itself, a carpeted floor cuts down on reflections ; a hardwood floor will allow sound waves to bounce back up into the drums, possibly causing phase cancellations
如果鼓架在地板上，鋪著地毯的的地板會阻止反射聲；硬木地板會讓聲波向上反射回鼓組中，從而很可能引起相位消除現象。The cavity depth between the rigid panel and absorption material is adjusted in order to make the surface characteristic impedance of the absorption material mathch the surface characteristic impedance of the air, so the absorption coefficient is the maximal
該系統由一層吸聲材料和可以移動的剛性板組成，調節剛性板與吸聲材料之間的空腔深度，使得吸聲材料的表面特性阻抗和空氣的特性阻抗相匹配，從而使吸聲系數達到最大。It will exert resistance and damping force to the torque motor armature, so that the dynamic performance, especially the stability, of flapper - nozzle servo - valve can be improved. the self - excited oscillations and noise can be removed. at the same time, as magnetic fluid has a higher magnetic permeability, the efficiency of torque motor magnetic circuit can be improved
由於磁流體具有的較大磁導率和較大的磁化強度，把磁流體添加到伺服閥力矩馬達的工作氣隙中，可提高伺服閥力矩馬達的磁迴路效率，增加伺服閥的阻尼，從而改善噴嘴擋板伺服閥的動態特性，抑制及消除其自激振蕩和噪聲。分享友人