polar water 中文意思是什麼

polar water 解釋
極地水
  • polar : adj 1 （南、北）極的，地極的；近地極的。2 【物、化】（有）極的；磁極的；有磁性的。3 【幾】極線的...
  • water : n 1 水；雨水；露；〈常作 pl 〉 礦泉，溫泉；藥水。2 〈常 pl 〉水體；水域；水道；海；湖；河；海域；...
  1. Because ice is restricted to high altitudes and to polar regions, running water moves far more rock debris each year than ice does.

    由於冰只局限在高地和極區，所以每年流水搬運的巖屑比冰所運走的多得多。
  2. Stratification in polar water normally is weak and transient.

    極地水域的成層性是微弱而暫時的。
  3. There is water on mars. more specifically, there is ice in and on the ground ( especially at the polar caps ) and water vapor in the atmosphere

    火星上有水。更確切的說，地表和地下的冰（尤其在冰帽里）以及大氣中的水汽。
  4. Many large - scale tourism projects have be located in the investment zone, such as jinyinhu international golf course, oriental horse racing ground, wuhan water country tourism project invested by hangzhou songcheng group, canadian caribbean sea water land, dalian haichang ocean polar world, hubei shengshan happy world, boquan jingde temple and zoumaling international scene park

    一批大型旅遊項目落戶我區，主要有金銀湖國際高爾夫球場、東方馬城、杭州宋城集團武漢水鄉旅遊城項目、加拿大加勒比海水上樂園、大連海昌海洋極地世界、湖北聖山歡樂世界、柏泉景德寺、走馬嶺國際風情園等項目。
  5. It has high selectivity in adsorpting water, polar molecule or polarizable molecule on account of the existing of mighty coulomb field and polar interaction in the internal of crystal cave of zeolite, the high electric field gradient and the uneven surface caused by the exposure of exchangable cation of equilibrium framework negative charge in framework structures

    由於分子篩晶穴內部有強太原理工大學碩士學位論文摘要大的庫侖場和極性作用，再加上骨架中大量平衡骨架負電荷的可交換陽離子的暴露造成的高電場梯度及表面的不均性，使其對水、極性分子及可極化的分子具有高選擇的吸附性能。
  6. 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 。
  7. Liquid water could be thawed to form a polar ocean

    液化的水可以融化成極地海洋。
  8. The polar ice caps are made of frozen water and carbon dioxide, and water may be frozen in the ground as permafrost

    極地冰帽是由固態水和二氧化碳組成的，水也有可能存在於永久凍土之中。
  9. ( 2 ) it is found that distilled water as lubricant can markedly reduce the accumulation of friction heat and temperature rise on the frictional surfaces of polymer. so the heat fatigue and adhesive wear decrease. moreover, a lubricating film forms on the interface between the counterpart and polymer when distilled water acts as polar lubricant

    （ 2 ）潤滑劑水的存在，可大幅度降低聚合物磨損表面的摩擦熱積累及溫升，從而減少了基體的熱疲勞磨損和粘著磨損，同時，水作為一種極性潤滑劑，在摩擦界面上能形成一層潤滑膜，對摩擦表面起了一定的隔離作用。
  10. They calculate that the impact of a body 250 kilometers wide would have delivered energy equivalent to 100 billion megatons of tnt to the planet, melting exposed polar ice and injecting enough water into the atmosphere to rain out 16 meters of precipitation

    研究人員推算，直徑250公里的星體對火星的沖擊能量相當於1000億個百萬噸黃色炸藥，足以融化裸露的兩極冰帽，將大量的水帶入大氣，造成16公尺的降雨量。
  11. An amphiphilic compound has a polar head which dissolves in water ( hydrophilic ) and a water insoluble organic tail

    雙親分子有一個能溶解在水中的極性基團和一個疏水尾。
  12. It showed that mars ' polar ice caps are made of frozen water, not frozen carbon dioxide as previously thought

    這表明火星極點冰蓋是水冰，而不是先前認為的乾冰。
  13. N - methyl pyrrolidone is colorless clear liquid, has tiny ammoniacal odour ; is a strong polar organic solvent, can dissolve each other with water and general organic solvent by any proportion

    -吡咯烷酮為無色或微黃色澄凈液體，有微氨味是一種強極性有機溶劑，可與水和一般有機溶劑以任意比例互溶。
  14. Frozen water is known to exist in the planet ' s polar regions, and water vapor has been detected in the martian atmosphere

    已經知道有固態水在這顆行星的極地區域存在，水蒸汽也已經在火星大氣中發現。
  15. In polar and cold temperate regions many of the evergreens are shrubs or trees with needlelike or scalelike leaves, adaptations that prevent water loss by transpiration

    在兩極或寒溫帶，多數常綠植物是灌木或具針狀、鱗狀葉片的樹，這是一種防止因蒸騰而散失水分的適應機制。
  16. The delicate balance between sun, water and ice, hugely impacts life on planet earth ; hence growing concerns over global warming, and a concentrated effort by scientists to accelerate polar research

    太陽，水，和冰之間的微妙平衡很大的影響著地球上的生命，因此越來越多的人開始關注全球變暖，科學家們也做著不懈的努力來加快極地研究。
  17. In order to support the theory discussed above, some experiments are done. the results of the experiments indicate that using strongly polar activated water to improve the mechanical performance of the concrete is practical and feasible

    為了有效支持理論探討，作者做了一些實驗，實驗結果表明： 1 、作者所提出的用強極性活化水提高混凝土的力學性能是可行的、效果是穩定的。
  18. A good idea, using strongly polar activated water produced by electro - hydraulic impulse technology to improve the mechanical performance of concrete, is put forward in this dissertation. the process of generating strongly polar activated water is described in this paper

    本文提出了用電液壓脈沖強極性活化水來提高混凝土和砂漿的力學性能的新設想，較為系統地深刻分析了電液壓脈沖制備強極性活化水的作用過程。
  19. On the basis of the work, the mechanism of strongly polar activated water improving the mechanical performance of concrete is analyzed from the aspects of macroscopic and microscopic view. then, the effects of improvement and the optimum parameters are provided

    在此基礎上，本文從宏觀和微觀兩個方面探討了電液壓脈沖強極性活化水提高混凝土性能的機理，給出了電液壓脈沖強極性活化水提高混凝土力學性能的效果和影響因素。
  20. And with the strongly polar activated water, even the amount of cement ia decreased to 10 percent, the mechanical performance of the concrete is improved too. of course, the increase rate is different with different parameters, these parameters include discharging energy, discharging times, the distance between the two electrods, and so on

    雖然受實驗條件所限，作者未能做大量的實驗並進行全面的分析，但所有實驗數據都顯示出電液壓脈沖方法能提高混凝土的抗壓強度； 2 、利用強極性活化水攪拌混凝土，在節約水泥量達10 %的情況下，其抗壓強度仍有一定程度的提高。
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