流體說 的英文怎麼說
中文拼音 [liútǐshuō]
流體說
英文
fluid theory-
For incompressible fluids, both the mass flux and the volume flux are constant in a tube of flow.
對于不可壓縮的流體來說,流管中的質量通量和體積通量都是恆定不變的。The axial and lateral spread of fluid has been likened to and accounted for by a diffusion-type model.
流體在軸向和徑向的散布,已與一個擴散模型聯系起來並用後者加以說明。Strictly speaking, the classical definition of thixotropy pertains only to those fluids that exhibit reversible structural changes.
嚴格說來,對觸變性所下定義只限於那些表現可逆性結構變化的流體。In chapter four, according to the analysis on the boundary theory and velocity field of main fluid zone of two - phase fluid pumps, the parameter equations of vane ' s modular curve of centrifugal pump are given, which contact the boundary " layer and eular theory of two - phase fluid pump by the fixing angel of vane as variable and leading into the velocity coefficient a. the results show that, in designing process of vane ' s modular curve of centrifugal pump, the determination of the total shape and parameters relates the flow properties of two - phase fluid and output ability of pump, or the design of the modular curve of centrifugal pump is the kernel of hydraulic design
第四章依據固液兩相流泵的邊界層理論及對主流區速度場的分析,給出了離心泵葉片型線的參數方程;它是以葉片安裝角為參變數,以引入的速度系數k _ v作為中間因子,將兩相流泵的邊界層理論和歐拉理論聯系起來? ?它說明了這樣一個事實,在離心泵葉片型線的設計過程中,它的整個形態或參數的確定都關繫到兩相流體的流動特性和泵的輸出能力,或者說,離心泵型線的設計是其水力設計的核心。As to how to reduce inventory and optimize logistics to enhance the administrative level of the company, the article dwells with sound evidence on the points as follows : how to make sales forecast more accurate ; how to stengthen the execution of planning ; how to improve inventory management and how to have a better control of logistics in production, which says the company should creat a whole logistics management system to reduce the inventory, to optimise the management level, with all the processes basing on the same flat roof, so as to helping the company chance it " s management level, and the competitiveness in the market
文章圍繞著如何降低庫存,提高企業物流運作效率,提升企業整體運作水平的論點,聯系了物流的相關的理論知識與實踐經驗,在提高預測的準確率,加強計劃的制定與執行,改善倉庫的日常物流事務管理,強化企業生產物流管理等方面,以有力的論據進行了詳細地闡述,以此說明了企業必須建立一整套物流體系,使整個物流過程處于同一個操作平臺,以利於庫存降低和企業管理水平的提高,最終提高企業的市場競爭力。A mixture of three amino acids ( arg, gly, glu ) labeled with fluorescein isothiocyanate ( fitc ) was separated in pdms microfluidic chip, the separation voltage is 200v / cm, the separation time is less than 120 seconds ; according to ccd fluorescence images, two distinct physical processes - stacking and destacking during sample injection were studied qualitatively ; rhodamine b, a kind of temperature - dependent fluorescence dye, was used as probe to develop a temperature - fluorescence intensity equation, then temperature - color map in microchannels was constructed, and temperature trait in microchannels on the pdms microfluidic chip was analysed. according to the results, we conclude that the electric field applied to the pdms microfluidic chip should not exceed 400v / cm
利用pdms微流控晶元對fitc標記的精氨酸、甘氨酸、谷氨酸混合物進行了電泳分離,分離電壓為200v cm ,分離時間不到120秒;通過拍到的熒光顯微圖像對電泳注樣過程中復雜的樣品分子積聚與解聚現象作定性的分析;以熒光染料rhodamineb為溫度熒光探針,建立了pdms微流控晶元上的溫度-熒光強度的關系公式,並利用matlab圖像處理工具箱構建出微流體溝道內的溫度色圖,對pdms微流控晶元的微流道溫度特性進行了分析,根據實驗結果,我們認為對于pdms微流控晶元來說,在進行需要外加電場作用的試驗時,外加電場不應超過400v cm 。The theory of the confluence of taoism and legalism created by han fei was not only urgent need for the qin politics around the unification period but also useful and helpful for the feudal government for two thousand years
韓非所代表的道法合流學說不僅成為秦統一前後的時需應急之策,也為其後二千年的君道同體、君高於道的主流政治文化開啟了方便之門。Threaded seat rings should be lock welded to the body when used in high velocity ( turbulent ) or thermal cycling services to avoid loosening. please specify
當用於高速流體(湍流)或熱循環應用時,為了避免松開,螺紋閥座環應該鎖焊在閥體上。請在訂購時加以指定說明。Threaded seat rings in valves in services with high velocity ( turbulent ) flow or thermal cycling should be lock welded to the body to avoid loosening. please specify
當用於高速流體(湍流)或熱循環應用時,為了避免松開,螺紋閥座環應該鎖焊在閥體上。請在訂購時加以指定說明。Threaded seat rings for valves in services with high velocity ( turbulent ) flow or thermal cycling should be lock welded to the body to avoid loosening. please specify
如果閥門用在高速流體(湍流)或熱循環應用環境中,則螺紋閥座環應該鎖焊到閥體上,避免松落。請在訂購時加以指定說明。Resolutions of these paradoxes usually call for additional assumptions on the nature of the rupture process ( such as novel modes of deformations and ruptures ) prior to and / or during an earthquake, on the nature of the fault and on the effect of trapped fluids within the crust at seismogenic depths ( see ref. 4 and references therein )
對這些似是而非說明的解決方案,往往又引進地震前和或地震過程中關于破裂過程性質的許多進一步的假說如變形和破裂的異常狀態,關于斷裂層的性質,以及地震活動深度地殼內部被困住的流體的影響參看參考文獻。Expanded mixed finite element approximations of the parabolic problems are considered. error estimates for the scalar unknwon, its gradient and its flux in l2 - norm are obtained for this new mixed formulation
通過數值分析進一步說明擴展混合元方法是穩定的,並得到了未知函數、未知函數的梯度和流體流量的l ~ 2 -誤差估計。Steady flow means that the way in which the fluid moves does not change with time.
穩定流動的意思是說流體流動狀態不隨時間而變化。Abstract : this paper derives thecalculating formulas to the contact strength and oil - film thickness of the involute spur gear according to hydrodynamic lubrication principle. through check with test, shows that they may rully replace now available hertz formula and dowsonformula respectively
文摘:根據流體動力潤滑原理,推導出了漸開線直齒圓柱齒輪接觸強度及油膜厚度的計算公式,通過實驗驗證,說明它們可以完全分別代替現有的赫芝公式及通森公式。In the fields of fluid dynamics, entropy inequality reflects the second law of thermodynamics. i. e. entropy must increase across shock waves ( a kind of discontinuity ). all kind of approximate schemes should reflect the fact that it must satisfies some kind of discrete entropy inequality ). from the view of practical computation, stability and theo - retical error of any kind discrete schemes all dependend of the smoothness of the solution of ( 0. 2. 1 ). generally, the approximate solution have good stability and theoretial error in the area where the solutions have more regularity and poor stability and theoretial error in other area
從流體力學來看,它事實上是熱力學第二定理的反映,即熵越過激波(一種間斷)要增加。各種估計格式構造的估計解應反映這一事實,即滿足熵不等式。從實際計算來看,總是通過離散化求解,不考慮計算的積累誤差,它的穩定性與計算精度都依賴與真解的光滑性,一般說,在解較光滑的區域有較好的穩定性與計算精度,而在較粗糙的區域則相反。The supernatant fraction and the precipitation fractions were analyzed by western blotfor strain dh5 a / pkkfpga, 5 - 10 % pga precursors formed as inclusion bodies in the cytoplasm while no inclusion bodies formed in the periplasm, this suggested most pga precursors were transported to the periplasm and matured to active pga and indicated that the maturation of pga in strain dh5 / pkkfpga was limited by the translocation step
Western印跡分析表明對于菌株dh5 pkkfpga , 5 - 10的原前體青黴g素酰化酶在胞內形成了包涵體,說明其成熟的限速步驟在胞內的運輸階段,而菌株dh5 psmlfpga則無明顯包涵體形成,說明菌株dh5 psmlfpga改善了青霉素g酰化酶的合成流,因而其表達能力高於菌株dh5 pkkfpga 。Job description : fluids drawings and bill of material conversion ; technical support of the shop assembly and test of fluids equipment ; field service of fluids system ; engineering of fluids piping and equipment
職責說明:流體系統、配管圖紙轉化;編制加工、采購件清單;車間流體設備安裝,調試技術指導;現場技術服務;流體配管及系統設計。In this study we analysed the interactions between initial lymphatic and interstitium, examined the procedure of lymph formation, developed the interaction theory for lymph formatoin, and showed that not only interstitial fluid prssure but also normal stress of interstitial solid phase should be considered and that lymph flow rate is greatly affected by interstitial porosity
分析了初始淋巴管與間質的相互作用,考察了淋巴液形成過程,提出了淋巴液形成的相互作用理論,說明了不僅要考慮間質流體壓力,還要考慮間質固相法應力及總應力,才能了解淋巴液的形成機理,間質孔隙度則直接影響著淋巴流量。The main works and conclusions in this paper are as follows : 1 、 the two - phase flow patterns are observed in micro - fin helical tube. the flow pattern map is obtained and compared with the map of smooth straight tube, the result of which explains the theory of transformation among the flow patterns in micro - fin helical tube and the pattern difference between helical and straight tube
具體說來有以下內容: 1 、對微肋螺旋管內兩相流動流型進行了實驗觀察,作出了流型圖,並與水平直管流型進行了分析、比較,解釋了兩者間的流型差異和微肋螺旋管流型間的轉變機理。They said the combination of fluid and scar tissue had reduced clinton ' s left lung capacity by 25 percent
他們說,在流體和疤痕組織的共同影響下,柯林頓左肺的功能下降了25 % 。分享友人