sound-transmission method 中文意思是什麼
sound-transmission method
解釋
聲傳播法- 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...
- transmission : n 遞送；傳遞；傳達；傳染；移轉；【機械工程】傳動；傳遞；變速器；聯動機件；【無線電】傳送；發射；...
- method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
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Ndfeb magnet is mainly made of neodymium iron and boron, with excellent magnetic property abundant raw material and reasonable prices, ndfeb magnet can be used as an ideal magnet in mini - motor permanent magnetic resonance sound device magnetic suspension system, magnetic transmission machine and iatrical apparatus and etc. for ndfeb, its surface is usually treatd with some special methods. the surface treatment method include zine nickel tin silver gold plating phosphor and spray epoxy resin etc
其主要應用在微特電機、永磁儀表、電子工業、汽車工業、石油化工、核磁共振裝置、音響器材、磁懸浮系統、磁性傳動機構和磁療設備等方面。釹鐵硼磁鐵容易生銹、氧化，所以對釹鐵硼磁鐵，其表面通常需作電鍍處理，如鍍鋅、鎳、銀、金等，也可以做磷化處理或噴環氧樹脂來減慢其氧化速度。 -
Standard test method for laboratory measurement of airborne sound transmission loss of building partitions and elements
實驗室測量建築物隔墻和構件的空氣聲音傳輸損失的標準試驗方法 -
Based on the sound wave transferring theory of infinite elastic and viscoelastic materials with the method of transferring matrix, the formulas of transmission coefficient and the level of sound insulation are gained, which consider shearing strength in the rubber, and the sound insulation properties of compound structures are discussed in condition of oblique incidence
摘要基於無限大彈性體和粘彈性體的波傳遞理論，採用傳遞矩陣的方法，對斜入射情況下的透射系數和隔聲量進行了理論推導，考慮了聲波在橡膠中傳播所產生的剪切力，並就單層復合結構的隔聲性能進行了詳細的研究，進而也分析了多層復合結構的隔聲性能。 -
The sound transmission mathematics analysis model of a single - glazing window is established by using the finite element method ( fem ) theory, the sound - structure couple theory as well as vibration response and sound wave ' s incidence analysis to a single plate
通過對聲波入射的分析，同時結合薄板的振動響應分析，利用有限元理論和聲、結構耦合理論，建立了聲波入射單層窗的數學結構模型。 -
Standard test method for laboratory measurement of impact sound transmission through floor - ceiling assemblies using the tapping machine
利用夯擊機進行沖擊聲通過地板和天花板組件的實驗室測量標準試驗方法 -
Standard test method for field measurement of tapping machine impact sound transmission through floor - ceiling assemblies and associated support structures
通過地板和天花板組件及相關支承結構的夯擊機撞擊聲的現場測量的標準試驗方法 -
Sound transmission through submerged, fluid filled elastic thin shell excited by incident acoustic waves in the interior domain was calculated using the coupled fem and bem method
摘要利用耦合有限元與邊界元方法計算了聲波激勵下浸沒在無界流場中內部充滿流體的彈性薄殼聲透射。 -
Ndfeb magnet is mainly made of neodymium, iron and boron, with excellent magnetic property, abundant raw material and reasonable prices, ndfeb magnet can be used as an ideal magnet in mini - motor, permanent magnetic resonance, sound device magnetic suspension system, magnetic transmission machine and iatrical apparatus and etc. for ndfeb, its surface is usually treatd with some special methods. the surface treatment method include zine, nickel, tin, silver, gold plating, phosphor and spray epoxy resin etc
釹鐵硼永磁體以其優異的性能、豐富的原料、合理的價格正得以迅猛的發展和廣泛的應用。其主要應用在微特電機、永磁儀表、電子工業、汽車工業、石油化工、核磁共振裝置、音響器材、磁懸浮系統、磁性傳動機構和磁療設備等方面。 -
Test method for laboratory measurement of the sound transmission loss of door panels and door systems
門板和門系統聲衰減的實驗室測量方法
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