fluid shear stress 中文意思是什麼

fluid shear stress 解釋
流體切應力
  • fluid : n 流體，液。 body fluid 體液。 cooling fluid 冷卻液。adj 1 流動的；流體的；液體的。2 容易[可]變動...
  • shear : vt vi （sheared 〈古語〉 shore; shorn sheared）1 剪（羊毛等）；修剪（樹木）；剪（呢絨的）長毛。2 ...
  • stress : n 1 壓力，壓迫，緊迫，緊張。2 【語音】重音；重讀；【詩】揚音；語勢，著重點。3 重要（性），重點，...
  1. The expression ratios reported are the average from the two separate experiments. ( 1 ) huvecs exposed to fluid shear stress ( 4. 20 dyne / cm2 ) for 1 h, 2 h, 3 h, 4 h, 5 h, 6 h, 7 h, 8 h, 9 h, 10 h, or 12 h, respectively

    735x10 』拷貝，與3h時的表達量處在同一個數量級；在7dh之間h七inrna的表達量相對穩定，但和4 ? 6h之間n
  2. ( 4 ) huvecs exposed to low fluid shear stress ( 4. 20 dyne / cm " ) for 2 h and incubated by 17 p - estradiol ( 10 - 7 m ) + low shear stress ( 4. 20 dyne / cm2, 2 h ). normal static cultured huvecs were selected as a control

    929x10 』拷貝之間，和44h之間neinrna的表達量相比又下降了一個數量級；未用切應力處理的內皮細胞沒有il七基因的表達，基線值分別為8
  3. Objective to investigate the effects of fluid shear stress on il - 8 gene in human umbilical vein endothelial cells ( huvecs ) and the roles of time course of low shear stress and intensity of fluid shear stress using lightcycler ? system ; to investigate the gene expression profiles in huvecs exposed on low shear stress ( 4. 20 dyne / cm2, 2 h ) and incubated by 17 p - estradiol ( 10 - 7 m ) + low shear stress ( 4. 20 dyne / cm2, 2 h ) using the cdna microarray approach. methods endothelial cells were isolated from human umbilical cord veins by collagenase treatment as described by jaffe and modified

    目的探討人臍靜脈內皮細胞（ humanumbilicalveinendothelialcells ， huvecs ）在流體切應力作用下il - 8基因的誘導表達以及切應力的作用時間和作用強度對il - 8基因表達影響的變化規律；利用表達譜基因晶元技術研究內皮細胞在低切應力（ 4 . 20dyne cm ~ 2 ， 2h ）作用下其切應力相關基因的表達情況以及生理濃度（ 10 ~ （ - 7 ）的17 -雌二醇孵育內皮細胞48h ，再經同樣條件的切應力處理后對內皮細胞切應力相關基因表達的可能影響。
  4. The raw cement slurry is a kind of two - phase solid - liquid suspension. from the relation of shear stress and shear velocity, it ' s belong to noi ? ncwtonian fluid

    水泥生料漿是一種固液兩相懸浮液，從流體的剪切應力與剪切速率的關系來分析，它是屬于非牛頓液體范疇。
  5. The main contributions of the dissertation are as follows : on the basis of experimental results, the operational effects, such as the magnitude of magnetic field, the temperature and the rate of shear strain, on the shear stress of the mr fluid are shown and models of the quasi - bingham model and a nonlinear model for the shear stress of the mr fluid also are developed, in which the characteristic of " shear - thin " of the mr fluid is described

    論文的主要貢獻如下：通過測試磁流變液剪切應力與磁感強度、剪切應變速率、溫度的變化規律，建立了能反映磁流變液剪切變稀現象的剪切應力與剪切應變速率的磁流變液模型。根據磁流變液模型，從理論上建立了能在較寬的電壓內范圍比較準確地預報磁流變阻尼器輸出力的近似公式。
  6. For example, the static shear stress of kaolinite / cms nanocomposites erf is 3. 6 times as large as that of the pure kaolinite erf. furthermore, we also found that the electrorheological effect has the close relationship with the amount of cms. with the component rate of 1 : 1, the synergetic effect is appeared greatly and the kaolinite / cms er fluid displays a notable er effect under dc current field

    對介電和電導性能的測量顯示羧甲基澱粉插層引起復合材料電流變液的介電常數和電導率升高，其介電常數是純土電流變液介電常數的2 . 07倍，是羧甲基澱粉電流變液的1 . 78倍；電導率是純土的2 . 73倍。
  7. On this condition, we exert two different levels of fluid shear stress ( 4 dyns / cm2and 15 dyns / cm2 ) to them by a parallel plate flow chamber and observe the change of apoptosis of endothelial cells by tunel. we demonstrate that high level shear stress can inhibit the apoptosis induced by lps, whereas low level shear stress was less effective

    在此基礎上，將兩種不同大小剪切力與lps共同作用於細胞，發現高水平剪切力（ 15dyn cm ~ 2 ）可以抑制lps誘導的凋亡，而低水平剪切力（ 4dyn cm ~ 2 ）的效果則不明顯。
  8. From the view of cellular rheology, we examined the influence of fluid shear stress on the metabolism, morphology, structure and function of endothelia cells in our previous research. it is first time for us to develop the research between shear stress and apoptosis. in this study, we stimulate the human umbilical venous endothelial cells ( huvec ) by lps and apply different levels of fluid shear stress to them by a parallel plate flow chamber, then observe the change of apoptosis of endothelial cells by terminal deoxynucleotidyl transferase mediated dutp nick end labeling ( tunel )

    我們從細胞力學的角度，曾對血管內皮細胞在剪切力作用下的代謝、形態、結構及功能等進行過系統研究，但剪切力與內皮細胞凋亡的相關研究尚屬首次，我們希望通過探討細胞凋亡與剪切力大小及作用時間的關系，為探索剪切力對血管內皮細胞信號轉導的影響及作用機理提供有價值的參考數據和實驗資料。
  9. The rapid and reversible change between fluid and solid enables erf potential applications in mechatronic devices, cars and general machines. the transmission ability of a self - made cylinder coupling with zeolite - based erf was investigated, the torque transmission of the coupling in wide ranges of driving speed and electric field was measured. the relationship between the transmission torque, the zero field viscosity of erf and shear yield stress of erf under different electric fields was obtained and compared with theoretical prediction

    本文用沸石和硅油配製的電流變液，在自製圓筒式聯軸器上研究了在一定的速度范圍和有無電場作用條件下測量了其扭矩傳遞能力，獲得了傳遞扭矩與零電場電流變液粘度以及電場中電流變液的剪切屈服應力之間的關系，並與理論值進行了比較。
  10. Discussion the design of the process flow and device structure of comb capacitance mode micro shear stress sensor in details, selecting suitable thin film material. finite element analysis the structure and fluid coupling of comb capacitance device was performed by ansys software

    然後利用有限元分析軟體ansys對梳齒電容式微型剪應力傳感器的質量塊模型進行結構和流體耦合分析，得到梳齒質量塊結構的應力分佈和位移分佈雲圖。
  11. Results ( 1 ) el - 8 mrna did not express in huvecs untreated with fluid shear stress

    23dyne兒m勺時k七inrna表達量時為1
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