sand abrasion 中文意思是什麼

sand abrasion 解釋
砂蝕
  • sand : n 1 沙。2 〈 pl 〉 沙灘，沙洲，沙地，沙漠。3 〈 pl 〉 沙粒；（計時用的沙漏中的）細沙。4 光陰，時...
  • abrasion : n. 1. 磨去；擦去。2. 擦傷，磨損。3. 磨蝕；【地質學；地理學】沖蝕，海蝕。
  1. The research results show that, from the viewpoint of second phase morphologies, there exist quite differences between the grain - type materials ( such as wc / bcu brazing deposit material, wrs1000 and 1zt tungsten carbide strengthening overlaying material, as well as the wear - resistant material of polymer adhesive coating etc. ), and the aggregation - type as well as dispersion - type ones ( such as zg35simn, wrd - 1 and khc - k2 depositing material ) in the wear - resistance and sand slurry abrasion mechanism. the sand slurry abrasion mechanisms are brought forward, of new wear - resistant materials with the features of grain - type second phase morphologies

    研究發現，與聚合型、彌散型第二相的材料（如zg35simn 、 wrd ? 1和khc ? k2熔敷材料等）相比，顆粒型第二相的材料（如wc bcu釬焊熔敷耐磨材料、 wrs1000型耐磨材料、 1zt碳化鎢顆粒增強熔敷材料及ktc ? 1耐磨膠粘塗層材料等）在耐磨性能和磨損機理等方面均有不同，總結提出了以「顆粒型第二相」為特徵的耐磨新材料泥沙磨損機理。
  2. Standard test method for abrasion resistance of geotextiles sand paper sliding block method

    土工織物抗磨性的標準試驗方法
  3. Due to its complexity of the problem, the theories and experiment results obtained are discrepant, and some of them are even contrary one another. started from the influence by movement rules of small cavities and solid particles, the mechanisms of combined effect of cavitation and sand abrasion are study in this thesis from the aspect of the turbulent coherent structure near the wall. first, a dynamic equation is established for a single spherical bubble and single spherical sand under the non - turbulent coherent structure near the wall, and then a dynamic equation established under the turbulent coherent structure near the wall

    首先從理論上推導出在典型湍流邊界層模式的非擬序結構下空泡與固體顆粒的近壁區運動方程，然後推導出湍流近壁擬序結構作用下的空泡與固體顆粒的近壁區運動方程，再將兩種不同條件下的的運動方程進行比較，指出湍流近壁區的擬序結構對空蝕與磨損的發生具有決定性的意義，即正是由於擬序猝發作用的存在，才使得空泡、沙粒對壁面的空蝕與磨損作用得以發生。
  4. Management - flush the abrasion with water to get rid of the dirt and sand over the wound, then wash the wound with diluted disinfectant and then cover the wound with clean gauze

    處理方法當有輕微擦傷時，可用清水沖洗傷口表面砂粒或穢物，然後用稀釋的消毒藥水清洗傷口，再用清潔紗布敷裹患處。
  5. Standard test method for conducting wet sand rubber wheel abrasion tests

    進行濕砂橡膠輪磨蝕的標準試驗方法
  6. Standard test method for measuring abrasion using the dry sand rubber wheel apparatus

    用干砂橡膠輪裝置測定磨蝕的標準試驗方法
  7. This machine adopts dense rib type screen which improves the disadvantage that it can not work well because of the sticking sand, therefore resistance to abrasion is enhanced and service life of roller is prolonged

    本機篩網採用密肋式網板根本上改變了滾筒篩，因粘砂不能正常工作而且提高了難磨性，延長了滾筒使用壽命。
  8. From the viewpoint of the characteristics of two - phase liquid sand slurry wear, combined with the examination and study on easily damaged workpieces, the wear failure ' s basic rules are pointed out, of the pump shell and the cutter - piece on service, and the general principles of material wear - resistant designs put forward. the sand slurry abrasion tester has been designed and developed which can simulate general dredging conditions. summarized and presented are the position - exchange measuring method of sand slurry abrasion test and the experiment specification of sand slurry wear test of dredging conditions

    文中系統論述了作者在疏浚工況泥沙磨損機理及其耐磨新材料課題研究中的工作成果，主要研究內容和創新點如下：總結分析了磨損研究動態和提高材料耐磨性的方法；從兩相流泥沙磨損的特點出發，結合對失效易損件的考察研究，分析指出了現役泥泵殼和絞刀片磨損失效的基本規律，提出了材料耐磨損設計的基本思想；設計研製了能模擬疏浚工況的泥沙磨損試驗機，總結提出了泥沙磨損試驗換位測試法和疏浚工況泥沙磨損試驗規范。
  9. Erosive resistance of grey cast iron matrix composite has been investigated, on the condition of different volume fraction of wc and erosive angles and volume fraction of. the results showed that, the erosive resistance of composite with volume fraction of 27 wt % was the best ; volume abrasion rate of composites with different erosive angles was maximum at 50 angle, but volume abrasion rate was less at 0 and 70 angle ; on condition of the same volume fraction of wc and larger size of quartz sand in slurry, volume abrasion rate increased

    結果表明：碳化鎢體積分數為27的灰鐵基復合材料的耐沖蝕磨損性能最佳；不同沖蝕角下復合材料的體積碳化鎢顆粒增強鐵基表面復合材料及其沖蝕磨損性能研究摘要磨損量在50 「沖蝕角處最大，在0 」和70 」沖蝕角處較小；在碳化鎢顆粒體積分數相同的情況下，當漿料中的石英砂粒度大時，其體積磨損量增大。
  10. Method of abrasion test for building materials and part of building construction falling sand method

    建築物材料及建築物結構部件的磨損試驗方法
  11. 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。
  12. When the " turbid wind " with almost a saturated sand concentration changes to a refreshing breeze after getting rid of the sand dust around the protective net, it exhibits an even more powerful wind abrasion when blowing across the cliff region

    當含沙量幾乎飽和的"渾濁之風"在防護網前後卸下沙塵變成清風，在吹過崖區時便顯出更強的風蝕作用。
  13. In this paper, two factors that will threaten the operating stability were studied, which are sand abrasion and cracking of the blades. and other problems that affect the safety in production were discussed

    本文對影響小浪底電站穩定運行的泥沙磨損問題和轉輪裂紋問題進行了詳細的分析，並對其它影響機組穩定運行的現象進行了研究。
  14. Because of the special water quality, sand abrasion is a severe menace to the operate stability of the units in xiaolangdi hydropower plant. in addition, some problem occurred during the operation of the units. among them, cracking of the blades is very severe

    另外，小浪底電站水輪發電機組在運行的期間出現了一些異常現象，其中轉輪裂紋問題比較嚴重，對小浪底電站的穩定運行產生了很大的影響。
  15. Fluid machinery in these areas is damaged due to cavitation and sand abrasion, which has threaten directly the safety operation of hydraulic and hydroelectric engineering, causing huge economic losses. the research, therefore, on the combined effect of cavitation and sand abrasion is of great significance. the researchers at home and abroad have done a lot of work on this issue

    我國許多河流的含沙量較大，如著名的黃河幹流年均含沙量達37 . 9m ~ 3 / s ，黃河三門峽的年平均輸沙量達16億t ，這些地區使用的泵、水輪機等許多流體機械都在夾沙水流的作用下，受到了沙粒磨損與空化剝蝕的聯合破壞，這種破壞直接危害了水利水電工程的安全運行，造成了巨大的經濟損失，因而對含沙水流條件下空化剝蝕與泥沙磨損聯合作用進行研究有著很大的工程實際意義。
  16. Through comparison, it can be seen that the turbulent coherent structure near the wall influences directly the striking effect of the bubble and sand. a new proposal is put forward at the end of the thesis that the destruction caused by the combination of cavitation and sand abrasion can be mitigated by means of controlling the turbulent coherent structure near the wall

    最後用有關的結論對過去的空蝕與泥沙磨損聯合作用的一些試驗觀測結果進行了定性的分析、評述，並提出通過控制擬序結構的發生以達到控制空泡、沙粒對壁面的沖擊作用是減輕磨蝕破壞的一條新的途徑。
  17. Geotextiles and geotextile - related products - determination of abrasion resistance - sand paper sliding block method

    土工布及其有關產品抗磨損性的測定砂布滑塊法
  18. Standard test method for abrasion resistance of transparent plastics and coatings using the oscillating sand method

    用擺動沙袋法測定透明塑料及塗層抗磨損性的測試方法
分享友人
分享到 Line

分享到臉書