粘帶系數 的英文怎麼說
中文拼音 [niándàixìshǔ]
粘帶系數
英文
coefficient of viscosity-
This article analyzes the mineralization mechanism of the uranium ore, constructs a series of spectra indexes including the ferric oxide index, the ferrous oxide index, the oxidation index, clay mineral index, brightness index, the green index and the humidity index, and draws the distribution and scope of the oxidation belt, deoxidation belt, the supplies and partial drainage of ground water in the research area, thus selects the advantageous area of uranium mineralization
通過分析鈾礦的成礦機理,構建了氧化鐵指數、氧化亞鐵指數、氧化指數、粘土礦物指數、亮度指數、綠度指數和濕度指數等一系列光譜指數,提取了研究區氧化帶、還原帶、地下水補給與局部排泄的分佈和范圍,從而圈定了鈾礦成礦的有利區。This article aims at the boiler ' s problems in operation : 1 ) under nominal load, the smoke temperature at the outlet of hearth reaches 1200, far more exceeds 1050 the original designed temperature. this will always result in slag inside boiler and the temperature of overheater ' s pipe superheat, so that boiler cannot take nominal load and all these influence boiler ' s nomal operation heavily, 2 ) this article also studied the reason why the assistant oil becoming necessary when coal changes. during the nomal operation, many factors ( makeup of combustor and its disposal, smirch and encrust of water wall, excessive air coefficient, temperature of primary air, coal type and density of coal dust ) can deviate the designed working conditions, then affect the boiler ' s nomal operation
本文針對該鍋爐在實際運行中存在的問題:在額定負荷下,爐膛出口超溫、低溫段過熱器前煙溫高達936 ,遠遠超過815的設計值;噴燃器四周水冷壁結焦嚴重,過熱器管壁溫度超標,無法帶上額定負荷;甚至有時因燃煤質量的變化,必須投油助燃的嚴重情況進行了分析研究。在實際生產過程中,燃燒器的結構、布置,水冷壁的粘污、結垢,過剩空氣系數、一次風溫、煤種及其濃度變化等許多因素都會偏離鍋爐的設計工況,從而影響爐內的傳熱和燃燒,造成爐膛出口超溫、水冷壁結渣等問題。When calculating the damping coefficient of the section with the semi - submerged bow, the viscous effects are considered
在計算帶有半潛首剖面的阻尼系數時,考慮到粘性的影響。Finally, in the third section, by constructing some functional which similar to the conservation law of evolution equation and the technical estimates, we prove that in the inviscid limit the solution of generalized derivative ginzburg - landau equation ( ggl equation ) converges to the solution of derivative nonlinear schrodinger equation correspondently in one - dimension ; the existence of global smooth solution for a class of generalized derivative ginzburg - landau equation are proved in two - dimension, in some special case, we prove that the solution of ggl equation converges to the weak solution of derivative nonlinear schrodinger equation ; in general case, by using some integral identities of solution for generalized ginzburg - landau equations with inhomogeneous boundary condition and the estimates for the l ~ ( 2 ) norm on boundary of normal derivative and h ~ ( 1 ) ' norm of solution, we prove the existence of global weak solution of the inhomogeneous boundary value problem for generalized ginzburg - landau equations
第三部分:在一維情形,我們考慮了一類帶導數項的ginzburg ? landau方程,通過構造一些類似於發展方程守恆律的泛函及巧妙的積分估計,證明了當粘性系數趨于零時, ginzburg ? landau方程的解逼近相應的帶導數項的schr ( ? ) dinger方程的解,並給出了最優收斂速度估計;在二維情形,我們證明了一類帶導數項的廣義ginzburg ? landau方程整體光滑解的存在性,以及在某種特殊情形下, gl方程的解趨近於相應的帶導數項的schr ( ? ) dinger方程的弱解;在一般情形下,我們討論了一類ginzburg ? landau方程的非齊次邊值問題,通過幾個積分恆等式,同時估計解的h ~ 1模及法向導數在邊界上的模,證明了整體弱解的存在性。According to the special shape and operate requirements of the torpedo, the structure and moulding process of the torpedo shell are established, in which the body and overlay block with grooves are moulded by fiber winding, and close moulding respectively with the adhesive by limited stop compression. in the light of the selection of raw material system, composite system with outstanding performance are defined, based on which the mechanical properties are tested., with the overall consideration of structural characters and design demands, the main factors which may have effects on the strength and stability ( including stiffness section dimension, stiffeners space, skin thickness and skin lay angle ) is optimized one by one for the structure design parameters on the base of the fem model of skin, stiffness and layover block by fem. as a result, the prototype with 1 : 1 proportion and its structure and lay optimization design are completed. the moulding technology for polyurethane foam moulding the stiffened shell is obtai ned in terms of the design, manufacture moulding, experimental mould and tooling
依據在研產品特殊的外型結構和使用要求,確定了該型號水雷復合材料殼體的具體結構形式和復合成型工藝路線,即由纖維纏繞工藝成型主體異形件,閉模成型帶通槽外貼塊,用限位加壓工裝實現粘接的工藝路線;通過對原材料體系的篩選,確定了綜合性能較好的復合材料體系,以此為基礎進行了力學性能測試;運用有限元方法,建立了蒙皮、筋條和外貼塊的分析模型,綜合考慮結構特點和設計要求,對影響結構強度與穩定性的主要因素(包括筋截面尺寸、筋間距、蒙皮厚度、蒙皮鋪層角度)分別進行了結構設計參數的優選,最終完成了復合材料異形耐外壓殼體1 : 1樣件和縮比實驗件結構及鋪層優化設計;完成了聚氨酯泡沫胎成型內置加筋殼體的成型工藝技術研究;對縮比件進行外壓性能測試,並給出了應力、應變測試結果。In this paper the experimental research of hydra ulic oil used on a certain composite gearbox are carried on the experimental fo rm ulas are drawn respectively between viscosity 、 density 、 specific heat and temper ature the function of viscosity to temperature and pressure is deduced the com parative analysis among the new oil 、 used oil and ordinary antifriction oil ind icates the performance of the specitic oil is excellent these conclusions are b eneficial to the advanced analysis of the vehicle transmission system and formul ate the manual of relevant armored caterpillar
該文對某軍用履帶裝甲車輛綜合傳動系統使用的液壓油進行了試驗分析,得出了這種液壓油的粘度、密度、比熱與溫度的經驗關系式,推導出了粘度在溫度、壓力綜合作用下的函數關系,並對新油、舊油、普通抗磨液壓油的粘度進行了對比分析,這對于使用這種液壓油的傳動系的分析計算和制定相關軍用履帶裝甲車輛的使用規范提供了重要的理論依據Abstract : in this paper the experimental research of hydra ulic oil used on a certain composite gearbox are carried on the experimental fo rm ulas are drawn respectively between viscosity 、 density 、 specific heat and temper ature the function of viscosity to temperature and pressure is deduced the com parative analysis among the new oil 、 used oil and ordinary antifriction oil ind icates the performance of the specitic oil is excellent these conclusions are b eneficial to the advanced analysis of the vehicle transmission system and formul ate the manual of relevant armored caterpillar
文摘:該文對某軍用履帶裝甲車輛綜合傳動系統使用的液壓油進行了試驗分析,得出了這種液壓油的粘度、密度、比熱與溫度的經驗關系式,推導出了粘度在溫度、壓力綜合作用下的函數關系,並對新油、舊油、普通抗磨液壓油的粘度進行了對比分析,這對于使用這種液壓油的傳動系的分析計算和制定相關軍用履帶裝甲車輛的使用規范提供了重要的理論依據The study on retarded creep behavior using creep theory under condition of reservoir water lever in stabilized status for one and a half year demonstrates that the viscous coefficient of sliding soil shall increase as creep procedure continues, meanwhile, the displacement process of landslide surface area fitted by logarithmic curve matches closely with measured values
以蠕變理論研究在庫水位穩定一年半的條件下滑坡的減速蠕變現象,證明滑帶土粘滯系數隨蠕滑過程不斷增大,以對數曲線擬合滑坡表部位移過程與實測值吻合較好。It result in water level rising, hypo - salinification aggravating, sediment silting up, the lake atrophy, marsh extending and nature disaster such as droughu waterlog ^ salinification occurring frequently. completely analysis to geology and hydrology conditions of the district along yellow river in shandong has been applied in this paper and aquifer ' s hydrological characteristic and subsurface flow ' s characteristic have been analysed as keystone in the paper. after finding out the distribution rule and formation conditions of the shallow layer " s ground water resource, divide the district into three hydrological sections according to hydrological conditions and subsurface flow characteristic
本文對山東沿黃地帶地質、水文地質條件進行了全面系統的分析,並重點分析了區內含水層的水文地質特徵及地下水運動特徵,進一步查明了淺層地下水資源的形成條件和分佈規律,根據水文地質條件及地下水運動特徵,劃分出三個水文地質區,劃分並論證了粘土裂隙含水層的形成及供水意義;確定了科學的水文、水文地質參數,為準確地計算淺層地下水資源奠定了可靠的基礎;根據淺層地下水資源形成特點,建立了地下水均衡方程式,據此,計算了區內淺層地下水資源及淺層地下水可采資源。In this article, idealized elastic plastic model and three - dimension finite elements programs have applied to analyzing and researching the stress and displacement distribution of 4 high - steep slopes excavated on the wan - liang expressway, and the relationship has been gained between the stress existing in excavated rock slopes and stability coefficient with depth change through the self - made fortrain program ' s application to the computation of slopes " stability coefficient ; at the same time, through the analysis of the slopes " stability coefficient, such conclusion has been gotten that cohesion in the slipping zone has important effect on slopes " stability and some proposals have been presented to improve the anti - shearing ability of the slipping body through enhancement of the cohesion in the slipping body
本文採用概化均質的理想彈塑性模型,利用三維有限元程序分析了萬梁高速公路4個高陡邊坡開挖各階段的應力及應變分佈,並且編寫了fortran程序用於邊坡穩定系數的計算,得出邊坡巖體應力及穩定系數隨著開挖深度的變化關系。並對邊坡穩定系數的敏感性進行了分析,得出滑帶內聚力的變化對邊坡穩定性至關重要,提出了改善滑帶巖土粘結狀態提高抗剪能力的工程措施。The plane strain tests of sand and clay, and the emergence and development of shear bands were simulated numerically by pfc to analyze the stress - strain relationship curves of pfc models and test results under different confining pressures
對砂土和粘性土的室內平面應變試驗及其剪切帶形成和發展進行了數值模擬,分別對比了不同圍壓下顆粒流試樣與室內試驗的應力應變關系曲線,基本再現了砂土和粘性土試樣應力應變關系。Which has high strength, good ductility, impact bearing, erode - bearing, besides, its linear expanding coefficient is almost equivalent to concrete, and it has excellent performance - price ratio etc. this paper is related to 8 rc - poles wrapped by gfrp ( sgfw430 ) and rc - poles are compressed axially, in order to analyze the influence of different stick layer over the pole ' s work performance and the influence between three type axial compress ratio ( 0, 0. 8, 1. 1 ) with one layer gfrp with the contrast poles about limit load - bearing capability, failure state, ductility, section stiffness, restrict losing owing to stress - difference
其具有強度高,延性好;抗沖擊、耐腐蝕;線膨脹系數與混凝土接近;性能價格比高等多個特點。本文通過8根外包單向gfrp ( sgfw430 )的rc組合柱,以及混凝土對比柱在軸心荷載作用下的試驗為基礎,具體詳細地分析柱子在粘貼不同層數的高性能玻璃纖維和在不同的軸壓比( 0 、 0 . 8 、 1 . 1 )下粘貼一層的高性能玻璃纖維后混凝土組合柱相對對比柱在極限承載能力、破壞形態、延性、截面剛度、應力差帶來的約束損失等方面的變化情況。This paper analyses mainly viscoelastic properties of conveyor belt about the belt conveyor, constructs finite element discrete models and dynamic equations for parts and system of the belt conveyor, studies thoroughly automatic modeling theory from the static state to the dynamic state of the belt conveyor system including form function of the running routex element division parameter calculation ^ state equation formation automatically and solution of system and so on
本文通過對帶式輸送機輸送帶的粘彈性特性的分析,建立了帶式輸送機各組成部分及其系統的有限元離散模型和動力學方程,詳細地研究了帶式輸送機系統從靜態到動態設計的自動建模理論,其中包括運行線路的形態函數、質點劃分、參數計算、系統狀態方程生成及其方程的求解等。分享友人