粘溫系數 的英文怎麼說
中文拼音 [niánwēnxìshǔ]
粘溫系數
英文
temperature coefficient of viscosity-
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。Theoretical analysis and computer simulation studies show that performance comparable to that of electro - control active damping suspension systems can be achieved with the hydraulic network model which can self - adaptingly adjust the damping of suspension to realize the optimal control by virtue of response of vehicle. in chapter 5, the effects of time - variant factors in the new active damping suspension system on reduction are investigated
第五章研究了主動阻尼系統中的時變因數對減振系統的減振效果的影響(包括路況、車速、載重阻尼油的粘度系數隨油溫變化而引起的變化,油液的彈性模量等) ,並分析了模型簡化時一些被忽略的非線性因數對系統性能的影響。Refractory fiber and product is manufactured by means of dry method and wet method. as an excellent insulation material, it has comparatively low volume density, good softness and very low thermal conductivity coefficient. sticking method, ancjoring method and folding method can be selected respectively. this product can be used in various industrial kilns & furmaces for lowering heat consumption
耐火纖維及製品是採用干法、濕法生產的具有較低體積密度、較好柔軟性、極低的導熱系數的優質絕熱保溫材料,施工時可分別採用粘貼法、錨固法、折疊塊形式施工,適用於各種工業窯爐降低熱耗之用。The grade composite, road performance and its mechanism are systemically studied. 1 ) the aggregate grade of ogfc is studied through the volume method base on the analysis of the aggregate grades. then the grade is verified and the relation between the grade and pore rate is studied statistically, the typical grades of ogfc are developed ; 2 ) the reasonable pore rate of ogfc is studied on the basis of the balance of mechanics and function performance ; 3 ) the mineral fiber is added to the ogfc mixes to increase asphalt content, thus the anti - water performance of ogfc mixes are improved ; 4 ) high viscous asphalt fit for the preparation of ogfc is prepared through composite modification by sbs and rubber powder ; 5 ) the mechanics mechanism of ogfc is studied in the paper, it shows : asphalt paste, as well as the coarse aggregate skeleton, is essential to the mechanics of ogfc
在分析各國ogfc級配的基礎上,運用礦料體積法進行ogfc級配設計,用正交實驗對礦料級配進行了優化設計,運用數理統計方法分析礦料級配和孔隙率之間的關系,並回歸出礦料關鍵篩孔通過率與ogfc骨架空隙結構關系的數學方程,進而提出了ogfc的合理級配;通過對不同孔隙率典型級配混合料的性能研究,綜合力學和功能性能,得出了ogfc的合理孔隙率范圍:針對高速公路面層對ogfc力學性能方面的要求,本文從瀝青膠結材料、纖維穩定劑兩方面對ogfc的性能進行改善:通過sbs和橡膠粉復合改性的方法開發出了適合ogfc的高粘度改性瀝青,摻加聚合物纖維,提高ogfc的最佳瀝青用量,進而改善了混合料的高溫性能和抗水損害性能,優化設計出能滿足高速公路路用性能,車轍動穩定度達5000次/ mm以上,動融劈裂強度比90 ,透水系數31ml / s ,並具有防滑降噪功能的開級配瀝青磨耗層( ogfc )混合料。On the base of the development of thick film pastes technology, ru - based thick film resistor pastes have been studied due to select conductive phase and inorganic binder. state - of - the - art techniques such as rolling, screen printing and sintering were used for sample preparation. effects of ingredients, printing parameters and sintering parameters, microstructure on the properties of thick film resistor ( trf ) have been analyzed with xrd, sem, dsc and electrical tests
本文在跟蹤國內外厚膜漿料技術發展的基礎上,以釕酸鉍/銀系厚膜電阻漿料為研究對象,通過選用合適的功能相和無機粘結相成分,以三輥軋制、絲網印刷和高溫燒結等制備工藝為技術特徵,採用xrd 、 sem 、 dsc等分析方法和電性能測試手段,系統的研究了漿料中各相的成分配比、制備工藝參數,以及膜層微觀結構對厚膜電阻性能的影響規律。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A lot of results are made from calculating of case for geothermal reservoir property of earth energy within 200 2000 ( m. ) , it is helpful to analysis influence of permeability coefficient, kinematic viscosity and thermal diffusion coefficient of soils and rocks on heat transfer performance
在地表熱能熱儲物性為200 - 2000 ( m . )的范圍內進行的理論計算,得到了許多重要結果,為分析巖土層滲透系數、流體運動粘度和導溫系數等對傳熱量的影響打下了良好基礎。Using smoluchowsky and mooney ' s rheology theory we analyze that without magnetic field 77 will increase as s andv increase ; using the rosensweig ' s formula and hydromechanical theory, we can illustrate that in the magnetic field and the outside temperature being certain, 77 will increase as the magnetic field increase, when the magnetic fluid ' s s and v are determined
在外磁場的作用下,綜合rosensweis公式及流體力學理論很好的解釋了在外界溫度一定時,基液質量百分比濃度s和磁性微粒體積分數人確定的磁性液體,其粘滯系數司隨外磁場的增加而增加的原因。Finally, heating furnace and the serial interface data collection tools written by vc are designed to test the performance of the control system
最後,製作粘片機電加熱爐,用vc編寫串口數據採集工具,對溫控系統進行實驗,取到了較好的效果。In the paper, by using bp ( back propagation ) method of ann, we can get the relationship between grading, asphalt - aggregate ratio, bulk density, percentage of voids, test temperature and ds. at the same time, we can get the relationship between grading, asphalt - aggregate ratio, bulk density, percentage of voids, test temperature and viscoelastic parameter. at last, we can estimate the ds and draw the deformation curve
本文應用bp人工神經元網路,建立瀝青混合料的礦料通過百分率、瀝青用量、毛體積密度、空隙率、試驗溫度與瀝青混合料粘彈性參數的關系,或建立瀝青混合料的礦料通過百分率、瀝青用量、毛體積密度、空隙率、試驗溫度與車轍試驗動穩定度值的關系,從而預估車轍試驗的動穩定度值和繪制車轍試驗變形曲線。Cl, s, f, tongchang porphyry copper deposit and the dajishan tungsten deposit are selected as the studying objectives, detailed investigations have been conducted into the geological and geochemical characteristics of the granitic rock, biotite, trace element and ree geochemistry, fluid inclusion geochemistry and the partitioning coefficients of the f, cl, cu, w. based on these data, the following conclusions are drawn : ( 1 ) fluorine can reduce the viscosity and density of magma, temperature of solide - liquidus line and change the melt frame, but cl has little effect on the melt
主要的認識如下: ( 1 ) f在花崗質巖漿中,可以降低巖漿的粘度、密度、固液相線溫度、改變熔體結構,而cl對熔體結構沒有多大的影響。 f在流體?花崗質熔體相間,絕大多數配分系數小於1 . 0 ,趨向于熔體相中配分, d _ f隨體系中f濃度的升高而增加。Plastic deformation happened in the worn surface where fe element was found, so pam micro - fiber supported part of the load and prevented the further deformation. on the condition of high speed and high load, the worn surface of pam1 / nylon 6 composites was nearly melted and formed comparative uniform transfer on the surface of steel, which accounted for the rather low wear mass loss. the infrared analysis showed that the a small quantity of transition of crystal form from into of nylon and its composites happened during the friction because of the high temperature and strong sheering strength
通過對復合材料耐磨性能研究表明:復合材料的摩擦系數隨載荷的增加而逐步下降,且磨損表面有明顯的塑性變形;從能譜分析結果來看,復合材料表面有fe的存在,表明pam微纖承受了部分載荷,並阻止了基體的進一步塑性變形及粘著轉移;在高速高載時, pam1 /尼龍6磨損表面處于粘流態,並在鋼環表面形成了連續的轉移膜,表現出較好的耐磨損性能,且在高溫和強剪切力的作用下,材料基體發生了少量的晶體向晶體的轉移。In this thesis, through the technique ' s of compressing molding, the processing parameter and the mixture ratio of magnetic powder on magnetic properties of four kinds of binary composite bonded magnets ( ndfeb alnico ferrite smco ) were studied. the experiment results were analyzed by the method of polynomial fit. the following major achievements were attained
本文採用模壓成型工藝對常見的四大永磁材料? ?釹鐵硼、鋁鎳鈷、鐵氧體、釤鈷進行了兩兩復合粘結,研究了工藝參數及磁粉配比對磁性能和溫度系數的影響,並通過計算機軟體進行擬合分析,得到了如下主要結果。The results showed that the 11 measured cooking and eating quality properties and taste value have manium significance genetic difference ; among the cooking and eating quality properties, varietal variation coefficent of gel consistency, peak viscosity, break down, setback is relatively large ; every cooking quality property has a different correlation with eating quality property, initial pasting temperature, finial viscosity, consistency and setback have significant or maximum significant inverse correlation with taste value, while peak viscosity, break down has a postive correlation with taste value, amylose content and protein content are inversely related to taste value, but gel consistency are positively related to taste value another, the correlation among varietal cooking and eating quality properties is significant or maximum significant ; in the analysis of principal components, the cumulative percent of 4 selected principal components reached 90. 58 %, initial pasting temperature of large second principal components is small, but amylose content and protein content is high, finial viscosity, consistency are large
結果表明,所測定的11項蒸煮食味品質特性及味度值在供試品種間均存在著極顯著的遺傳差異;在蒸煮食味品質特性中,膠稠度、最高粘度、下降粘度值、粘滯峰消減值的品種間變異系數較大;糊化開始溫度、最終粘度、回冷粘滯性恢復值、粘滯峰消減值與味度值呈顯著或極顯著的負相關,而最高粘度、下降粘度值與味度值呈極顯著的正相關,直鏈澱粉和蛋白質含量與味度值呈負相關,而膠稠度與味度值呈正相關;在主成分分析中,被入選的4個主成分的貢獻率達90 58 ,其中第二主成分大的品種,糊化開始溫度低,直鏈澱粉和蛋白質含量高,最終粘度和回冷粘滯性恢復值大。Furthermore, the temperature fields of the radial - thrust floating ring hybrid bearing which includes the lubricant inertia item is stud ied for the first time, the reynolds and energy equations are derived, the relationship between viscosity and temperature as well as the boundary condition of pressure and temperature are developed
此外,本文還首次對考慮慣性項下該動靜壓軸承的溫度場進行了理論研究,建立了數學模型,導出了該浮環動靜壓軸承徑向部分、推力部分的能量方程、雷諾方程以及粘溫關系、壓力、溫度邊界條件等。Viscometry ; determination of the temperature coefficient of viscosity of liquids
粘度.液體粘度的溫度系數的測定A thermohydrodynamic analysis of dynamic coefficients of a elliptical journal bearing using one - dimensional model
溫粘效應下橢圓瓦軸承動特性系數一維模型演算法分析The reversible temperature coefficient of magnetic flux of ndfeb - ferrite composite bonded magnets as a function of the content of ferrite is concave downwards, and that of ainico - ferrite magnets as a function of the content of ferrite is convex upwards, the reversible temperature coefficient of magnetic flux of the other four binary composite bonded magnets and its single component follow the pattern of linear relationship
釹鐵硼和鐵氧體復合粘結磁體的磁通可逆溫度系數與鐵氧體含量的關系曲線下凹,鋁鎳鈷和鐵氧體復合粘結磁體的磁通可逆溫度系數和鐵氧體含量的關系曲線上凸,其餘四組復合粘結磁體的溫度系數隨著單一磁粉含量變化基本呈直線關系。Viscosity temperature coefficient
粘度溫度系數分享友人