水磨蝕 的英文怎麼說

中文拼音 [shuǐshí]
水磨蝕 英文
water abrasion
  • : 名詞1 (由兩個氫原子和一個氧原子結合而成的液體) water 2 (河流) river 3 (指江、河、湖、海、洋...
  • : 磨動詞1 (摩擦) rub; wear 2 (研磨) grind; mull; polish 3 (折磨) grind down; wear down [out]:...
  • : Ⅰ動詞1. (損失; 虧耗) lose 2. (腐蝕) erode; corrode Ⅱ名詞(天體現象) eclipse
  1. 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:研材料,化學物質,垢沉澱,腐物質,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。
  2. 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、化學腐性介質作潤滑劑和無潤滑時室溫下的摩擦損特性。
  3. 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、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、污及腐性、高沖刷性、琢性強的特殊需求。
  4. 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、抗鹽凍剝能力和耐性等性能的變化規律。
  5. 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、氯離子滲透、抗凍融循環、收縮及耐性等耐久性能研究;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。
  6. Standard test method for fretting wear protection by lubricating greases

    潤滑脂對流損保護性的標準試驗方法
  7. 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

    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,在耐性耐腐性耐熱性強度方面性能卓越,具有高精度鏡面加工珩加工工藝。
  8. 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。
  9. 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,閘的上(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、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脹裂,而流沖刷閘過流結構破壞的主要形式。
  10. The technology of wear resistance in silt - laden river

    多泥沙河流輪機的防護技術
  11. 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

    水磨蝕石頭,的泛溢沖去地上的塵土,你也這樣滅絕人的指望。
  12. 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個電站的破壞部件的修復、轉輪葉片測型與修型、葉片頭部割圓角、葉片外緣加裙邊、頭部加導流板等抗措施的綜合治理,取得較好效果,使機組出力增加、抗能力提高。
  13. 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流的運動規律有別于低速流及清單相流,在自己研製的高速渾循環系統中,通過對高速含沙摻氣流壁面剪切應力和脈動壓強等參數的量測,分析了沙氣三相流的紊動特性,探索了泥沙對固壁的機理及減措施,其主要內容包括以下幾個方面: 1
  14. Research on arasion of yellow river water flow to axial - flow turbine and its protection

    黃河流對軸流式輪機及其防護研究
  15. Abstract : when the axial flow turbine operates in sand - loaded rivers, it frequently suffers the sand wear and abrasion

    文摘:軸流式輪機在含沙流中運行時,常遭到泥沙損和破壞。
  16. 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,並將此結果與清介質發生汽時的損傷情況[ 13 ]及含沙無汽情況下的損情況[ 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。
  17. 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、碰撞和。易於清潔。
  18. 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

    分析了空的不同物理特徵;探討了沙粒機理,提出了影響vi河海大學博士學位論文一的因素;研究了摻氣抗的可能性:建立了混凝土材料壁面率的計算公式;說明含沙流對固壁材料的率隨摻氣濃度、材料強度的增大而減小,隨流流速、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率。
  19. 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、耐刮、耐壓、耐沖擊、耐溫、耐酸堿、防、防工程材料。
  20. 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

    對紊動流、含沙流、氣兩相流及泥沙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。
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