磨損時間 的英文怎麼說

中文拼音 [sǔnshíjiān]
磨損時間 英文
wearing in period
  • : 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 (減少) decrease; lose 2 (損害) harm; damage 3 [方言] (用尖刻的話挖苦人) speak sarcas...
  • : shí]Ⅰ名1 (比較長的一段時間)time; times; days:當時at that time; in those days; 古時 ancient tim...
  • : 間Ⅰ名詞1 (中間) between; among 2 (一定的空間或時間里) with a definite time or space 3 (一間...
  • 磨損 : wear and tear; abrasive wear; abrase; abrade; detrition; wear; scuff; wear out; fray; battering; ...
  • 時間 : time; hour; 北京時間十九點整19 hours beijing time; 上課時間school hours; 時間與空間 time and spac...
  1. The surface of plastic objects breaks over time

    隨著的推移,塑膠製品的表面會
  2. In the course of working, , the plow will make use of the shuttling method so that it can dig alternately either on the left or on the right. compared to the unilateral plow, it can improve the productivity because it can help leave off the soil 、 take from the consumed energy and reduce the empty journey. to meet the requests above, we will use a remote cylinder with both a small cubage and double functions, approximately designing the plow to be columniform and symmetric. after the experiment for a period in the field, we found that the most frayed areas had happened at the places of both plow shank and share and at the same time the base of the remote cylinder had ruptured suddenly

    與單向犁相比,其優點在於:耕地無開、閉壟,地表平整,降低了耕后整地的能量消耗,減少了地頭的空行程,因而大大提高班次生產率。為了滿足犁體梭式作業的要求,我們採用了一隻小容積雙作用的液壓油缸;同對犁壁曲面的形狀採用了近似圓柱形的對稱設計。但經過一段的田試驗,我們發現:該犁犁胸部分的犁脛和犁鏵上的犁尖在工作中較為嚴重;主犁梁和油缸缸體的連接部分(即油缸底座)突然發生了斷裂,造成整個犁體無法正常工作。
  3. The body ' s waist was pressed by a kind of continued and discontinued press for long time, the pubis abrasion did not fit the age, so the body was estimated she was a quean ( then the work was not legalized in law, named demimondaine ), she had been worked less than 6. years

    主體腰部長受到持續而斷的壓力,恥骨和年齡不符,由此判斷主體以妓女為職業(當該職業不被公認合法,系暗娼) ,從業6年以上。
  4. With age, exposure to the environment and micro - scratching caused by day - in, day - out wear and tear, your paint develops micro - fissures in the surface along with other defects

    隨著的流逝,暴露在戶外再加上細微的劃痕,日積月累的就導致了,平滑的漆面開始變得有裂縫。
  5. The results showed the mass abrasion resistance of the wpc was not affected by the immersion time and the saltness of the artificial simulated seawater obviously

    研究結果表明:海水的浸泡和海水鹽度對塑木復合材料的質量量均無明顯影響。
  6. A series of tests were performed on the self - made fretting wear test rig to examine the fretting wear of steels, by taking the wear depth of steel wires as a characterization parameter describing the fretting wear in relation to contact load and fretting time. the results demonstrates that the fretting wear depth increases with the increasing of the contact load and fretting time

    結果表明,鋼絲試樣的微動深度隨著接觸載荷和微動的增加而呈增長趨勢,但由於接觸面積和接觸應力在微動過程中隨著接觸載荷和微動的變化而變化,使深度在不同工況下增長趨勢不同。
  7. Long wear had frayed the collar and cuffs of his old shirt

    的穿著已了他舊襯衫的領子與袖口。
  8. " anchor " have developed new resin bonding " bsd " " bsw " which are special designed for surface grinding to achieve better cutting ability and longer wheel life. the performance of cutting ability is remain the same level and continued for a long time. wheel dressing times and wheel consumption can be reduced to minimum for improving working efficiency and making total grinding cost down

    平面研發展至今,趨往高精度高精密之研要求而研材質也演變成選用高硬度及難研削材,因此,在整體研加工要求變的如此嚴苛情形下,嘉寶特別新開發bsd及bsw平面研專用樹脂結合劑,此新開發之結合劑用於平面研能發揮出比以往製品更佳之切削力及耐用度表現,且其優異的切削表現能長持續,可大幅減低砂輪修整次數及砂輪耗,進而提升工作效率降低整體研成本。
  9. Time spent in vice or folly is doubly lost

    于惡習或愚行的是加倍的失。
  10. 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,銅粉30份、石墨30 - 40份,銅粉60 、石墨15 - 30份,摩擦系數均具有較低值;純聚四氟乙烯樹脂在空氣冷卻結晶度最大,量也是三者中最大的;同,固體潤滑劑試樣在空氣冷卻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 。
  11. It has been discovered that ( 1 ) in the region between 100 - 350 the friction coefficient is lowering along with the swing of temperature ; ( 2 ) the friction coefficient is the highest at the temperature of 500, and adhesive wear occurred ; ( 3 ) the global graphite grain layer appeared at the surface of wear scar at 450n and 300, and played an extremely good effect of lubrication, thus makes a fairly lower wear at the temperature of 300

    發現: ( 1 )在100 ~ 350區,隨溫度的升高,摩擦因數在降低; ( 2 )在500,摩擦因數最高,且發生了粘著; ( 3 )在450n , 300痕表面出現了球狀的石墨顆拉層,這起到了極好的潤滑作用,使得300較低。
  12. Because management work of enterprise archives anciently is manual work, so space taken up by archives is great, and followed along with the time, the original archives must be eroded and damaged incoordinately

    由於以往企業檔案的管理工作,都是人工操作,檔案所佔據的空較大,而且隨著的推移,檔案原件必將受到不同程度的腐蝕和
  13. Main transmission adopts steel sliding plate which is wear resisting. with this design, we can fix position precisely

    主傳動採用鋼質滑板運動、不宜、徹底解決了因鏈條長傳動而拉長定位不準確的缺陷。
  14. In the paper, the projectile pushing process on firing is analyzed. the quantitative computational model of the projectile velocity to gun bore wear is built. finally, taking the 120mm gun for example, the relation of projectile velocity to gun bore wear is calculated, the phenomenon of trajectory peak is analyzed

    分析了射擊彈丸擠進過程,建立了彈丸初速下降量與炮膛內膛量計算模型,並以某火炮為實例計算了該炮彈丸初速下降量與炮膛內膛量之變化關系,分析了彈道峰現象,為身管壽命預測提供理論依據。
  15. Copper - nanosized tibi composites were prepared by in - situ process. the microstructure, mechanical and electrical properties, and dry sliding wear behavior and electric sliding wear of cu - nanosized tib _ 2 in - situ composites was investigated ; mostly task as follows : the thermodynamic data for the reactions between b and ti in the molten liquid of copper were analyzed, the copper matrix composites reinforced by in - situ tibi nanoparticles were prepared by reactions of 8263, carbon and titanium in copper - titanium melt, and copper - titanium, copper - boron in alloy melt, respectively, which controlled the reaction temperature, reaction time and solidification process. the rnicrostructure and mechanical and electrical properties of the in - situ composites were investigated by using optics microscope, tem and xrd

    本文採用原位反應法制備了cu -納米tib _ 2原位復合材料,在此基礎上分析了原位復合材料的微結構,進行了干滑動摩擦和電接觸滑動實驗,完成的主要工作如下:從熱力學的角度出發,分析了陶瓷tib _ 2顆粒在銅基體中原位生成的熱力學條件,並用電解銅、工業純鈦、 b _ 2o _ 3 、 c (還原劑)以及cu - ti 、 cu - b等合金為原料,通過控制適當的反應溫度、反應和快速凝固等工藝手段,制備了cu -納米tib2原位復合材料。
  16. The furniture once appropriated to the lower apartments had from time to time been removed here, as fashions changed : and the imperfect light entering by their narrow casement showed bed - steads of a hundred years old ; chests in oak or walnut, looking, with their strange carvings of palm branches and cherubs heads, like types of the hebrew ark ; rows of venerable chairs, high - backed and narrow ; stools still more antiquated, on whose cushioned tops were yet apparent traces of half - effaced embroideries, wrought by fingers that for two generations had been coffin - dust

    一度歸層次更底房使用的傢具,因為尚的變更,逐漸搬到了這里。從狹窄的窗扉投射進來的斑駁光影,映照出了有上百年歷史的床架映照出了橡樹或胡桃樹做的柜子,上面奇怪地雕刻著棕櫚樹枝和小天使頭部,看上去很像各種希伯萊約櫃映照出了一排排歷史悠久窄小高背的椅子映照出了更加古老的凳子,坐墊上明顯留著了一半的刺繡,當年做繡活的手指化為塵土已經有兩代之久了。
  17. From the experimental results, conclusions of particles " trajectories can be drawn for different densities and operating conditions. three axis segments were acquired, and three operating conditions were picked to study the distribution traits of particles inside the impeller under the different quality and concentration of the particles. based on the results, local wear of pump was forecasted and protecting measures were brought forward

    得到運行工況對單個粒子運動軌跡的影響以及不同密度(質量)的單個粒子運動軌跡變化規律;沿水泵葉輪軸向取三個測量斷面,分別在三種不同運行工況下,研究各個斷面(內)粒子分佈特徵,以及粒子質量和濃度對這種分佈特徵的影響;根據實驗結果,對輸送不同固液兩相流介質,水泵局部進行了預測並提出了一些防護措施。
  18. By means of orthogonal designing analysis shows that there are comparatively big influences on amount of wear affected by wearing time, diameters and distribution density of concave pits, and there are comparatively less influences on amount of wear affected by rotation speed and temperature

    通過正交設計分析表明,磨損時間、凹坑直徑和分佈密度對量的影響較大,轉速及溫度對量的影響較小。
  19. The wear mechanism of tungsten carbide particle reinforced steel matrix composites was studied according to the frictional and wear characteristics and the scanning electron microscopy photographs of worn surfaces after wear testing. the effect of heat treatment and tungsten carbide content on wear resistance was investigated as well

    結合特性曲線和不同磨損時間的摩擦面sem照片,分析了wc鋼復合材料的機理,並討論了不同熱處理工藝和wc顆粒含量對wc鋼復合材料性能的影響。
  20. The measure of wearing out, consumption or other reduction in the useful life of a fixed asset whether arising from use, effluxion of time or obsolescence through technology and market changes is called depreciation

    對固定資產在使用期限內、消耗和其他原因減少的一種估量稱為折舊,這些價值的減少是由於使用中的的推移或技術的進步及市價的變動引起的價值失。
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