潤滑值 的英文怎麼說
中文拼音 [rùngǔzhí]
潤滑值
英文
lubricating value-
The best optimum mathematical model is constituted. scalar factor of structural parameter on loop rectangular negative pressure and adsorption slide is calculated. structural parameter, air gas source pressure carrying capacity and thickness of air cell are made sure by hydrodynamics and the theory of gas lubrication
詳細論述了導軌副的設計過程，運用數學上的拉格朗日條件極值求解法，建立最優化數學模型，求出環矩形負壓吸附導軌的結構參數的比例情況，並運用流體力學和氣體潤滑理論確定了環矩形負壓吸附導軌的結構參數、氣源氣壓、承載能力和氣膜厚度的確定性結論。By adopting x - ray diffraction and transmission electron microscope ( tem ), this thesis has insepectd the size and the structure of the calcium carbonate ( caco3 ) particles. according to hydrophile and lipophile balance ( hlb ), the suitable surface - active agents have been selected and put into lubricating oil with nanometer caco3 particles
本文採用x射線衍射儀和透射電鏡檢驗了納米碳酸鈣粒子的粒徑和內部結構，根據親水親油平衡值（ hlb ） ，選擇合適的表面活性劑將其加入到含有納米碳酸鈣粒子的潤滑油中進行表面改性。Based on hydrodynamic lubrication theory, a rectangular tire tread model for simulating the viscous hydroplaning of tire is set up, taking into consideration the effects of hydrodynamic action, squeeze action and road roughness with numerical solutions obtained
摘要根據流體動力潤滑理論，將輪胎貓性滑水問題模擬為胎面單元與路面之間的動壓、擠壓膜問題，同時考慮了路面粗糙度的影響，建立了輪胎胎面單元黏性滑水問題的數學模型，並進行數值求解。Moreover, the thesis analyses the biodegradation of petroleum products, evaluates the biological degradation properties of the developed environment friendly base oil and as well the lubricant ' s biodegradation properties at actual conditions by means of self - designed soil simulation and also in water by testing bod5 / codcr values
分析了石油類產品的生物降解機理，對所研製的環境兼容基礎油的生物降解性進行了評價，通過自行設計的土壤模擬法評價了潤滑油在實際環境中的生物降解性，採用測bod _ 5 cod _ （ cr ）值法來評價潤滑油在水中的生物降解性。This armor is well - oiled mnd magically constructed, so not only is it nearly silent, it also dampens surrounding sounds. it provides a + 5 competence bonus on its wearer ' s move silenty checks
躡行：在潤滑劑和魔法的輔助下，這件護甲不但幾乎不會發出聲音，甚至還能稍微降低四周的音量。穿戴者的潛行檢定獲得+ 5能力加值。The results indicated that the dimension, shape and purity of base material could meet the functional demand of solid lubricant ; the thermal decomposition temperature of ptfe resin exceeds 400 c, but organic and inorganic packing filler added in ptfe made the water absorption rate of composite material increased, melting temperature and decomposition temperature decreased, in the meanwhile oxidative decomposition reaction was accompanied ; polar groups such as c = o, c - o - c and so on in the carbon fiber surface is advantageous to increase compatibility with other components and interlayer shearing strength ; uniform design experimental method could help to find the relationship between formula and frictional property by relatively small tests. the developing trend of each formula ' s friction coefficient could be showed by fitting curve ; the friction coefficient with no copper powder or graphite in formula was relatively big. this fact showed that copper powder and graphite should be used cooperatively ; it was found that when the ratio of copper powder to graphite by weight is 15 : 60, 30 : 30 - 40 and 60 : 15 - 30 respectively, the friction coefficient was relatively small. the degree of crystallinity of pure ptfe reached maximum by air cooling and the abrasion loss also reached maximum among three ones ; at the same time, the abrasion loss of solid lubricant sample was also the biggest among three ones ; when solid lubricant matched with 45 # steel axle or gcrl5 steel axle, lubricant transfer film could be formed on metal surface, thus direct contact between the surface of metal friction pair rings was reduced. their working life was elongated extremely ; there was mainly much graphite, a little ptff, moo3, feso4, cus and so on in lubricant transfer film
試驗結果表明：所選原料的尺寸、形狀及純度可滿足固體潤滑劑的性能要求；聚四氟乙烯樹脂熱分解溫度超過400 ，但在ptfe中加入無機填料會使復合材料吸水率提高，熔融溫度及分解溫度降低，且伴有氧化分解反應；碳纖維表面含有c = o及c - o - c等極性基團，有利於提高其與其它組分的相容性，提高層間剪切強度；均勻設計試驗方法能夠用較少的試驗次數找出配方與摩擦性能間的關系，擬合曲線基本能表示各配方的摩擦系數發展趨勢；配方中不加銅粉或不加石墨，其摩擦系數均較高，說明銅粉和石墨應該配合使用；當銅粉15份、石墨60份時，銅粉30份、石墨30 - 40份時，銅粉60 、石墨15 - 30份時，摩擦系數均具有較低值；純聚四氟乙烯樹脂在空氣冷卻時結晶度最大，磨損量也是三者中最大的；同時，固體潤滑劑試樣在空氣冷卻時的磨損量也是三者中最大的：不論是固體潤滑劑與45 #鋼軸配副或是固體潤滑劑鑲嵌入銅套后與gcr15鋼軸配副，在金屬表面均可形成潤滑轉移膜，從而減少金屬摩擦副表面間的直接接觸，大大延長其使用壽命;轉移膜中主要含有較多的石墨、少量聚四氟乙烯、 moo 。Then we can estimate the lubrication state between the friction faces. with the old large numbers of testing numbers the wear parameter k of every point on the steady work ' s cam can be decided
通過計算凸輪表面各位置潤滑油膜厚度，判斷其潤滑狀態，結合以前大量的實驗數據，確定出凸輪各位置在穩態下工作時的磨損系數k值。When the environment temperature is 24, under certain lubricating status, the continuous running pv value is the pv limit - pva
在環境溫度為24和特定的潤滑狀態下，連續運轉時的pv值就稱為pv極限值，用pva來表示。The 3d model of mold is analyzed in 3d fem by using ugh. base on the analyses result, some danger structure of the model have been found and some suggestions of the mold modification are given. since doing a lot of research about the 3d cadvcae technology, a 3dcad system of selecting mold for aluminum material have been developed and the method of analyzing the 3d model is provided in this paper
然後，為了能真實地模擬實際生產過程，進行鋁與模具鋼在一定表面粗糙度、不同溫度條件、不同潤滑接觸狀態下的最大靜摩擦系數實驗，總結摩擦系數隨溫度變化的規律性和取值范圍；最後，應用ug 17 . 0三維有限元cae模塊進行模具三維力場分析，根據三維有限元的結果分析，對模具危險部分進行預變形的處理和優化，改善模具受力變形的狀況。Petroleum products and lubricants - determination of acid number - non - aqueous potentiometric titration method ; german version en 12634 : 1998
石油製品和潤滑劑.酸值的測定.無水介質電位滴定分析The experimental result shows that it can improve significantly the abrasive resistance and increase the service life of the moving parts of shiplock by optimizing the match of supportive materials for abrasion and the value of their hardness, improving the precision and roughness of abrasive parts in the process of production, and applying correct lubrication method to the abrasive parts
實驗結果表明：對船閘摩擦副材料及硬度值進行合理的匹配，提高船閘運轉件摩擦副零件的加工精度及表面粗糙度，以及運用正確的潤滑方式對摩擦副進行潤滑，能顯著提高零件的耐磨性能，較大地延長了船閘運轉件的使用壽命。In this text, the study was conducted to the diesel engine running - in on test bed by advanced oil analysis, surface analysis and characteristic parameters analysis of diesel engine during running - in. based on the spectrographic analysis, ferrographic analysis, particle counting, and scanning electronic microscope analysis, the extraction of lubricant analysis results have been completed by various methods as limits method, fuzzy synthesis analysis, tendency chart analysis. on the basis of information, issued from above analysis the quality comprehensive assessment model of diesel engine running - in has been established, used to assess the diesel engine running - in quality and engine test - bed running - in quality
本文以柴油機臺架磨合過程為研究范圍，採用先進的油液分析技術，表面分析技術和柴油機性能參數分析技術相結合的方法，在採集柴油機臺架磨合階段磨合潤滑油樣和相關信息，對柴油機臺架磨合潤滑油樣的光譜分析、鐵譜分析、顆粒計數分析等技術手段獲得的各種信息進行特徵提取，結合來自於分析鐵譜和掃描電鏡的特徵圖像信息，以及柴油機性能參數中的特徵信息，用界限值分析法、模糊綜合分析法和趨勢圖分析法等多種方法，並融合其他相關的特徵信息，建立柴油機臺架磨合質量綜合評價數學模型，綜合分析柴油機臺架磨合質量，研製開發了柴油機臺架磨合質量綜合評價系統。Hard - chromed piston rod with micro - grooves, increasing the rigidity and reducing friction, keep better lubrication action
活塞桿微裂紋鍍硬鉻，增因硬度減少磨擦，保持油膜潤滑效果值。Note : when continuously feeding oil, if the variety and dosage of lubricant changes a bit, the pv value will change a lot
0 . 092 0 . 36注：連續給油時，潤滑油的品種和用量稍有變化， pv值便有大的變化。Abstract : the tribology characters of rare earth used in high temperature were reviewed in this paper. the tribological characteristics of rare earth metals, inorganical rare earth compounds used as additives in high temperature lubricating were summarised. the application of rare earth alloy, rare earth high temperature ceramic and rare earth high temperature lubricating coating were briefly discussed. several research subjects of this filed were also suggested
文摘:本文對稀土元素的高溫摩擦學特性研究發展進行了綜述與探討，主要討論了稀土金屬及稀土化合物作為高溫潤滑劑和潤滑添加劑的摩擦學特性，並對稀土在稀土合金、稀土高溫陶瓷和稀土高溫塗層中的應用進行了討論，最後提出了稀土在高溫潤滑研究中的幾個值得進一步深入研究的方向。In addition, but also specially will set up a transportation plan organization, will planed strengthens between the organization as the improvement road invest the cooperation and a coordinated expert organization. the budget of this project is about 1. 4 million us dollars, chinese government will provide approximately 400, 000 us dollars including personnel and the material investment
通過培訓，與會站長認為：金客車是中國超大的客車生產基地， lg潤滑油是世界最大的石油化工企業，原裝進口，高粘度指數合成油，二者強強聯合，共同為金客車的使用者提供最優質的服務，給客戶創造價值。Standard test method for semi - quantitative field test method for base number in new and used lubricants by color - indicator titration
利用顯色指示劑滴定法測試新的和已用過的潤滑劑堿值的半定量現場試驗法的標準試驗方法So studies on the liquid - solid lubrication not only have great significance to lubrication theory, but also have great value in application
因此，研究液-固二相流體潤滑不僅對潤滑理論的發展具有重要的意義，而且也具有重要的應用價值。Then analyze the present status of china lubricants market from macro and micro point of view ; especially identify the buying behavior of b2c and b2b market. and then deeply introduce and analyze the marketing strategy of exxonmobil lubricant in china in terms of " 3p2c ". put forward three inspiring marketing strategies : dual brand strategy means through dual brand you are able to make deep penetration into two different levels of consumers, make your enterprise to reach comprehensive target audiences, at the same time, give competitor ' s brand converging attack from both sides
本文採用案例研究的方法，首先從市場營銷策略理論入手，闡述了該領域近五十年來的發展歷程及研究現狀，然後從宏觀和微觀兩個層面分析了中國潤滑油行業的現狀，尤其對b2c和b2b市場購買行為特點進行了深入的分析和歸類，接著從3p2c的角度描述和分析了exxonmobil公司潤滑油部在華市場營銷策略，提出三項頗具啟迪意義的市場營銷策略：雙品牌策略即通過雙品牌本身的不同價值，向市場中高低兩個消費層次進行深度滲透，使企業具有更加廣泛的客戶群體，同時，給競爭對手品牌實行兩面夾擊。By comparison operation parameters of the screw refrigeration compressor with its designed values, reasons for deviation caused by running parameters, effect of exhaust temperature on separation efficiency of oil separator of compressor are discussed, compressor damage is due to bad lubrication
摘要通過對螺桿製冷壓縮機組運行參數與設計值的比較，分析了運行參數形成偏差的原因、排氣溫度對壓縮機油分離器的分離效果的影響，壓縮機損壞的原因為潤滑不良。分享友人