水磨蝕 的英文怎麼說
中文拼音 [shuǐmóshí]
水磨蝕
英文
water abrasion-
Yeomans shall not be liable for any damage caused by abrasive materials, chemicals, scale deposits, corrosion, lightning, improper electrical supply, mishandling, or other similar conditions
對于有下列因素造成的損失:研磨材料,化學物質,水垢沉澱,腐蝕物質,閃電,電源供應故障,違反操作規程的操作,或其它類似情況,美國約曼公司將不承擔任何責任。Aim of this study was to meet the need for development of tribological parts in pumps. at room temperature tribological properties of different sliding pairs of silicon carbide and alumina - based ceramics were tested using a laboratory tribometer in the ring - on - plate geometry under reciprocating sliding linear contact in different media, such as distilled water, aggressive media and air
本文針對目前泵用摩擦零部件材料發展的需要,在實驗室摩擦磨損試驗機上研究了按環/塊線接觸方式作往復運動條件下的碳化硅和氧化鋁基陶瓷材料摩擦副在水、化學腐蝕性介質作潤滑劑和無潤滑時室溫下的摩擦磨損特性。It is suitable for medium such as water, gas, heat energy, crystal and powder material etc, especially suitable for medium of easy sedimentation, fouling, crystal, lumber, mixed with foreign impurity, sewage and medium with corrodibility, high scouring and great friction
適用於水、氣、熱能、漿液、晶粒、粉狀物料等介質,特別是能滿足兩相流溶液工藝流程中易沉澱、結垢、結晶、析出、雜物、異物混雜的介質、污水及腐蝕性、高沖刷性、琢磨性強的特殊需求。Mechanical performance, frost resistance and abrasion resistance of concrete with fly ash, air entraining agent and four kinds of inorganic salts including sodium sulfate, sodium nitrite, calcium nitrite and sodium chloride are mainly studied in this paper
本文研究了在路面水泥混凝土中摻入粉煤灰、引氣劑和四種無機鹽( na2so4 、 nano2 、 ca ( no2 ) 2和nacl )后,混凝土的力學性能、抗鹽凍剝蝕能力和耐磨性等性能的變化規律。This paper unfolds engineering disposition and theoretical research of negative temperature high performance concrete ( nthpc ) with the damage of many factors motivation, the project background based on qing - zang railway engineering, which is one of four - emphasized engineering during the tenth five - plan. due to the difference of environment of construction and service between nthpc and ordinary concrete, and therefore durability of nthpc is required to higher level. at a first, nthpc must avoid frozen damage at early age and possess anti - freezing property at later period, in order to meet engineering practicable application need, and this are two emphasized and difficult problems, as for nthpc ; by means of mechanism analysis about deicing - agent ingredient and anti - freezing at early period, adopting composite technique routine of mineral addition + anti - freezing element + water - reducer4 - air - entraining + anti - erosion of steel component etc, based on orthogonal experimental approach, fd - 1 composite functional admixtu re was manufactured, which has more property and orientation on qing - zang railway
負溫混凝土由於和普通混凝土在施工環境及服役環境上存在的差異,因此表現為比普通混凝土更為較高的耐久性要求;負溫混凝土首先要避免早期的凍害以及具備長期抗凍性能,才能夠滿足工程實際應用的要求,這也是負溫混凝土必須解決的兩大技術關鍵;通過對目前常用防凍劑組分作用機理的分析研究及混凝土早期防凍機理探討,採用礦物外加劑+防凍組分+高效減水劑+引氣+阻銹組分功能復合的技術路線,通過正交試驗設計復配了適應青藏鐵路工程要求的專用多功能復合型外加劑fd - 1 ;並在此基礎上配製不同等級負溫高性能混凝土,開展一系列包括硫酸鹽侵蝕、氯離子滲透、抗凍融循環、收縮及耐磨性等耐久性能研究;通過對fd - 1組分和摻量的調整,優化負溫混凝土在施工特性、力學指標和耐久性三個方面的兼容、協調性。Standard test method for fretting wear protection by lubricating greases
潤滑脂對流水侵蝕磨損保護性的標準試驗方法Our steel lost - wax products for water treatment and environmental facilities - use hardware combine excellent water resistance, corrosion resistance, heat resistance and mechanical strength. they also feature a mirror finish or a honing finish. 2
水處理環境設備用金屬器具的不銹鋼熔模鑄造產品的特點是,在耐水性耐腐蝕性耐熱性強度方面性能卓越,具有高精度鏡面加工珩磨加工工藝。The new sludge treatment equipment belt type filter press spate separation industry sludge treatment equipment, sludge treatment equipment and so on sludge treatment equipment belt type filter press use effect anti - corrosive wearability outward appearance achieves surpasses the import sludge treatment equipment, belt filter press main engine guaranteed usable one year, the sludge treatment equipment belt type filter press lifelong maintains, main bearing guaranteed usable three years, rack main body hot spraying guaranteed usable five years
新型污泥處理設備帶式壓濾機泥水分離工業污泥處理設備,污泥處理設備帶式壓濾機使用效果耐腐蝕耐磨損外觀等污泥處理設備達到超過進口污泥處理設備,帶式壓濾機主機保用一年,污泥處理設備帶式壓濾機終身保修,主要軸承保用三年,機架主體熱噴塗保用五年。The results show that the damages to the appearance of concrete structures exposed to atmosphere, including honeycombing, cracking along rebar, rebar corrosion, and concrete delamination, are quite serious, that the poor quality of concrete construction, the insufficient thickness of local concrete cover, and the rebar corrosion expansion and dilatancy induced by carbonization of concrete cover are the main causes, and that the main form of damages to the overflow structure is the abrasion resulted from water scouring
結果表明,水閘的水上(大氣中)混凝土結構外觀破損十分明顯,露石露砂、順筋裂縫、鋼筋銹蝕、混凝土破損剝落等已十分嚴重;引起破壞的主要原因是混凝土施工質量較差,局部保護層厚度不足,混凝土保護層碳化引起鋼筋銹蝕脹裂,而水流沖刷磨蝕是水閘過流結構破壞的主要形式。The technology of wear resistance in silt - laden river
多泥沙河流水輪機磨蝕的防護技術The waters wear the stones : thou washest away the things which grow out of the dust of the earth ; and thou destroyest the hope of man
流水磨蝕石頭,水的泛溢沖去地上的塵土,你也這樣滅絕人的指望。Through repairing the worn parts of four hydropower stations of xinzhuang, zaoqi, suide and qiemo, and taking some comprehensive anti - abrasion measures, such as checking and repairing the runner blade, cutting the head of blade into round shape, adding an apron to the outer edge of blade and increasing a guiding plate in the head of blade, a good effectiveness has been gained so that it increases the output of generating unit and enhances the abrasion resistant capacity
通過對新莊、棗渠、綏德、且末4個水電站的磨蝕破壞部件的修復、轉輪葉片測型與修型、葉片頭部割圓角、葉片外緣加裙邊、頭部加導流板等抗磨蝕措施的綜合治理,取得較好效果,使機組出力增加、抗磨蝕能力提高。The turbulent characteristics of high - velocity sediment - laden and aerated flow are more other than the clear water flow of single - phase and current of low speed. in a special circulating system with high velocity flow, some flow parameters such as boundary shear stress and pulsation pressure are measured. an investigation is made on the turbulent characteristics of the three - phase flow of water, air and sand
本文針對高速含沙摻氣水流的運動規律有別于低速水流及清水單相流,在自己研製的高速渾水循環系統中,通過對高速含沙摻氣水流壁面剪切應力和脈動壓強等參數的量測,分析了水沙氣三相流的紊動特性,探索了泥沙對固壁的磨蝕機理及減蝕措施,其主要內容包括以下幾個方面: 1Research on arasion of yellow river water flow to axial - flow turbine and its protection
黃河水流對軸流式水輪機磨蝕及其防護研究Abstract : when the axial flow turbine operates in sand - loaded rivers, it frequently suffers the sand wear and abrasion
文摘:軸流式水輪機在含沙水流中運行時,常遭到泥沙磨損和磨蝕破壞。Until now, there have been a few reports on the damage of the water pumps caused by sand and water cavitation. by use of the test loop for solid and liquid two phases, under the condition of 3 % head drop, the damage location and relative degree of the sand and water cavitaiton occurred on the impeller were tested and researched. the result was, them, compared with the results under the condition that water cavitation occurred and no cavitation but only wear occurred. the differencts were analyzed. the analysis result can be used as the basis of the further research and the improvement of the impeller shape
目前含沙水汽蝕對水泵損傷方面的報導甚少,本文利用固液兩相流試驗臺,對離心泵閉式葉輪在含沙水汽蝕時( 3揚程下降點)的損傷部位和相對程度進行了試驗研究,並將此結果與清水介質發生汽蝕時的損傷情況[ 13 ]及含沙水無汽蝕情況下的磨損情況[ 7 ]相比較,對其差異進行了分析,為今後進一步探討葉輪損傷機理和葉型改進提供了實驗依據。It ' s a two - component, polyurethane coating with consisting of acrylic resin with excellent gloss and color retention. resistant to contamination. resistant to seawater, impact and abrasion. easy to clean
一種丙烯酸樹脂組成的雙組份聚氨酯塗料,具有良好的保色性、保光性和耐沾污性,耐海水、碰撞和磨蝕。易於清潔。The surface material is liable to erosion wear with high - velocity sediment - laden flow, hi this paper, sand wear mechanisms are discussed and some effects of significant flow factors on material wear are analyzed ; the possibility of preventing erosion wear with aeration is proposed ; based on test data, the formula for calculating the concrete material wall surface wear rate is derived. it is indicated that the wear rate is related to the air concentration, the strength of material, the flow velocity and the sediment content. it is shown that wear rate can be reduced with the help of flow aeration
分析了空蝕與磨蝕的不同物理特徵;探討了沙粒磨蝕機理,提出了影響磨蝕vi河海大學博士學位論文一的因素;研究了摻氣抗磨的可能性:建立了混凝土材料壁面磨蝕率的計算公式;說明含沙水流對固壁材料的磨蝕率隨摻氣濃度、材料強度的增大而減小,隨水流流速、含沙量的提高而增大;利用摻氣可有效地降低過流表面的泥沙磨蝕率。Seamless, non - shrinkage, wearing - resistant, anti - scar, pressure proof, impact - proof, temperature - resistant, acid alkali resistant, water - proof and corrosion resistant engineering materials
無縫、不收縮、耐磨、耐刮、耐壓、耐沖擊、耐溫、耐酸堿、防水、防蝕工程材料。The mechanism of silt abrasion is studied. specific contents are summarized as following : 1. the research results of turbulent flow, sediment - laden, aerated flow and silt abrasion are introduced
對紊動水流、含沙水流、水氣兩相流及泥沙磨蝕的研究狀況進行了綜述,提出了本文的研究對象和擬採取的技術路線。分享友人