sound density 中文意思是什麼

sound density 解釋
聲密度
  • sound : adj 1 健全的;強壯的,正常的;完好的,無疵的,沒有腐爛的(船、牙齒等)。2 正確的;正當的,合法的...
  • density : n. 1. 稠密;濃厚。2. 【物理學】濃度;密度;比重。3. 愚鈍,昏庸。
  1. This wave of excess density is sound.

    這種過剩密度的波就是聲波。
  2. The results showed that the fluorescent intensity of dph decreased and the fluorescent intensity of mc540 increased under sound stimulation, which indicated that the vesicles got looser, the charge density of membrane surface and the plasmalemma hydrophobicity decreased but the membrane fluidity increased

    結果表明,聲波刺激使標記質膜的dph熒光偏振值降低、 mc540熒光強度增加。表明一定強度和頻率的聲波刺激使質膜變的疏鬆,膜表面電荷密度降低,疏水性降低,流動性增加。
  3. It has noncombustible, non - toxic, corrosion resistance, bulk density of small, low thermal conductivity, chemical stability strong, and low moisture absorption rate, hydrophobic good, and many other advantages, is recognized superior insulating properties, thermal insulation, sound - absorbing materials with a wide range of purposes

    它具有不燃、無毒、耐腐蝕、容重小、導熱系數低、化學穩定性強、吸濕率低、憎水性好等諸多優點,是目前公認性能優越的保溫、隔熱、吸音材料,具有十分廣泛的用途。
  4. The anton paar density and sound velocity analyzers combine two independent parameters, density and sound velocity, to cover a wide range of applications such as quality control in beer and soft drink production, concentration determination of sulphuric acid and oleum or ternary solutions

    安東帕密度和聲速分析儀結合兩種獨立參數- -密度和聲速,覆蓋大范圍的應用如:啤酒和軟飲料生產中的質量管理、硫酸、發煙硫酸或三元混合液體濃度的測定。
  5. Cork from q. suber has many good physical properties, such as low density, well elasticity, heat insulation, sound insulation, imperviousness and damp proof

    歐洲栓皮櫟軟木具有密度低、彈性好、熱絕緣性好、吸聲減震和防水等優良物理性能。
  6. By means of processing of testing data, we got high frequency tomography velocity imaging and very high frequency stacking imaging of reflects. we use crosswell tomography imaging and reflect imaging compares with sound wave, density logging and lithology analysis to complete the interpretation of crosswell seismic data result

    具體內容包括原始資料編輯和井口排列規格化、初至拾取、估算速度模型、 vsp - cdp成像、 p波二維層析成像和p - p波反射剖面疊加等,論文中給出了詳細的處理流程。
  7. Do not use the cloud or glass loading the device cloud the density low, the flap high, can affect the sound effect. glass density ratio cloud the is high, however not thick and solid, the flap more seriously. can use to spend the or, and it is tallest to is, density particularly, loading device than ideal, but the thickness want 3cm above

    別用雲石或玻璃承載器材雲石密度低,諧振高,會影響音響效果。玻璃密度比雲石高,卻不厚實,諧振更嚴重。可用花崗石或麻石,尤其是麻石,密度最高,承載器材較理想,但厚度要3厘米以上。
  8. A perturbative shallow water tomography scheme based on the modal wave number inversion technique is considered in this paper. and it could estimate the bottom sound speed and density

    論文提出了一種基於簡正波波數的擾動反演淺海聲層析方法,該方法能夠反演海底聲速和密度。
  9. This machine is a large - sized machine which is specialized for application of building material, furniture, door and windows, door pocket, furniture of decoration industry, indoor decorative material as well as picture frame, billiard table, sound box and other veneer decoration, through adjustment, this machine can make complex flower pattem surface achieve terribly perfect effect furthermore, for pvc, paint paper, coiled wood peel, various kinds of compex solid - wood, density board, plastics, steel product, aluminium section as well as many other material, theirsurface, side face, base and undersi de can be attached with veneer at one time with adoption of our machine

    本機器是專為滿足建材、傢具裝飾行業的門窗、門套、傢具、室內裝飾材料以及鏡框、臺球桌、音箱等貼面裝飾使用的大型機器,通過調整可使復雜花形表面達到十分完美的效果, pvc 、油漆紙、成卷木皮與各種復雜實木、密度板、塑料、鋼材、鋁型材等材料的表面、側面、底邊、底面一次可完成貼面。
  10. The result of a discussion about the statistical distribution shows there are different distribution forms between the data errors and estimated parameters in non - linearity inversion. the precision of estimated bottom sound speed is well than the estimated bottom density. although there is a same data errors distribution in perturbative inversion, the distribution of each inverted eof coefficient is different

    統計誤差分佈的討論結果顯示:在非線性反演方法中,數據空間誤差分佈與參數空間誤差分佈不相同,這種匹配方法估計的海底聲速的準確性好於對密度估計的準確性;在擾動反演演算法中,相同的數據誤差分佈條件下,反演的eof各項系數誤差分佈不同。
  11. These reflections start even more reflections and the sound density becomes too great to allow us to distinguish the reflections as separate events

    這些反射聲音引發了更多的反射聲,以及這些聲音密度變得十分大,直到讓我們能區分出反射聲的所有個別事件(反射聲的所有細節) 。
  12. A sorting method of the helicopter noise sources is given. the temporal waveform and spectrum of the noise signature is analyzed. at last, the sound pressure spectrum density level is estimated with the experimental data taken from a specific navy helicopter

    扼要闡述了直升機噪聲的產生和分類,考察了直升機信號的波形和頻譜特徵,並對特定的直升機噪聲的聲壓譜密度級進行了計算。
  13. Low density works well with smooth sounds like strings or to make a vocal sound fuller, while high density works well with percussion

    低密度的設置能讓聲音聽起來順滑,例如弦樂,或者讓人聲變得豐滿,當高密度設置的情況下,適合用於打擊樂。
  14. Sed : sound energy density

    聲能密度
  15. Sound energy density

    聲能密度
  16. In order to limit the sensor numbers of the crossing location association method in high clutter or target density environment, a generalized likelihood ratio approach to eliminating ghosts is given. the approach is based on the fact that the sound intensity distribution of the same target is identical

    為了防止當目標密度或雜波密度較大時,交叉定位融合需要傳感器過多,根據同一目標的聲壓分佈一定的特點,設計了一種消除交叉定位中虛假目標的廣義似然比檢驗法。
  17. 4. sensor technology the main content of this section is to present some sensor techniques and measurement devices ( especially tension - compression type sensor, hall sensor, smoke density meter and sound level meter ) as well as their corresponding modulating modules. meanwhile, it has stated the pci - 6024e data acquisition board of ni company, hardware design of the new testing system in structure design and accomplishment in acquisition of external signals

    ( 4 )傳感器技術介紹了在該檢測系統中應用的傳感器和檢測儀的信號特點(主要是拉壓傳感器,霍爾傳感器,煙度儀,聲級計)和相應的信號調理模塊,並同時介紹了nl公司的6024一e數據採集卡,並對該檢測系統的硬體進行了詳細的介紹,包括硬體體系結構的設計,主要討論硬體部分的組成,以及對外界物理信號的採集的實現等。
  18. Changes of bone mineral density in the lumbar and the femur and speed of sound in tibia in patients with primary hyperparathyroidism

    原發性甲狀旁腺功能亢進癥患者骨密度及脛骨超聲速率的改變
  19. This product is a kind of multi - functional fire - retardant coating which has reliable performances. it has many characteristics, such as light bulk density, fine fire performance, better warm - keeping performance and certain sound absorption, high intensity, moist resistance and excellent freeze - thaw resistance and so on

    本產品容重輕、耐火性能優良,有較好的保溫性能和一定的吸聲性,強度高、耐潮濕、抗凍融性能優等特點,是一種性能可靠的多功能防火塗料。
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