氧的純度 的英文怎麼說

中文拼音 [yǎngdechúndù]
氧的純度 英文
oxygen purity
  • 氧 : 名詞[化學] （氣體元素） oxygen （o）
  • 的 : 4次方是 The fourth power of 2 is direction
  • 純 : 形容詞1 （純凈; 不含雜質） pure; unmixed 2 （純粹; 單純） simple; pure and simple 3 （純熟） skil...
  • 度 : 度動詞[書面語] （推測; 估計） surmise; estimate
  • 純度 : fineness; pureness; purity; purity quotient; rate of purity
  1. The catalyst vendors came out with a catalyst incorporating a low surface area, high purity alumina carrier.

    催化劑出售商供應了一種具有表面積小，純度高的氧化鋁載體催化劑。
  2. Elastic collision and inelastic collision are considered in oxygen molecule, nitrogen molecule by electron impart. the mail simulation results were as follow : ( 1 ) the variations of drift velocity and the average energy of electron with the e / n in o2 and n2 are obtained. the number of electrons for excitation, ionization, dissociation and dissociative ionization collision with the e / n and the energy of electron are analyzed emphatically

    考慮了各種彈性和非彈性碰撞過程，在純氧氣、純氮氣中，給出了不同簡化場e n條件下的電子漂移速度和平均電子能量的變化；著重分析了激發、電離、分解及分解電離碰撞的粒子數隨e n 、電子能量的變化，同時計算了激發發射光譜的波長。
  3. The result of the study testifies that the kindling temperature of lumps and scraps of pure magnesium is decided by their fusion temperatures ( the higher the fusing temperature, the higher the kindling temperature ), and influenced by the heating velocity and the pressure of oxygen in the atmosphere ( the faster the heating and the lower the pressure, the lower the kindling temperature obtained from the experiment )

    研究結果表明，所測塊狀純鎂和鎂屑的燃點與其熔點有直接的對應關系（熔點高則燃點也相應增高） ，並受升溫速度、環境中氧的分壓的影響（升溫速度越快、氧的分壓越小，則所測燃點值越高） 。
  4. Oxygen obtained from liquefied air is usually about 99. 5% pure.

    由液化空氣所取得的氧其純度通常約為99.5%。
  5. In order to meet the abroad rare earth market development recent years and the clients different requirements, the company strengthen the management of raw material and products quality and produced high purity products of eu203, ytterbia and lutecium oxide

    為了順應近年來國外稀土氧化物的發展與滿足各界客戶的需求，公司下大力度嚴把原料及產品質量關，生產出高純度的氧化銪氧化鑥氧化鐿產品。
  6. Standard specification for high - purity dense yttria tetragonal zirconium oxide polycrystal for surgical implant applications

    外科植入用高純度密集三氧化二釔四氧化鋯多晶體的標準規范
  7. Scp - zro2 ( gem - grade zirconia ) has high purity and is mainly used for making cubic zirconia crystal ( artificial gems ), and as additive for optical glass and fibre with high index of refraction

    具有高純度，是製造立方氧化鋯晶體（人造寶石）的主要原材料，也用作高折射光學玻璃和光學纖維的添加劑。
  8. The raw materials, the composition, the time of milling, the calcining temperature, the different additives, the sintering temperature and the sintering parameters were investigated. the result showed : it was advantaged to obtain high initial permeability mnzn ferrite with stable frequency characteristic using high - purity raw materials ; in order to obtain mnzn ferrite with high properties, we must control strictly the composition ; it could improve the properties of mnzn ferrite by optimizing calcining temperature. the lower calcining temperature made the permeability higher, and the higher calcining temperature could promote the frequency characteristic of permeability ; we chosen the right time of milling according to the requirement of power diameter ; in order to improve the properties of mnzn ferrite, it is necessary to add effective additives. in this dissertation, the influence of bi2o3 、 moo3 、 k2co3 、 co2o3 were investigated ; the sintering temperature, the time of heat - retaining and sintering parameters were the key factors of preparing high permeability mnzn ferrites

    研究結果表明:採用高純度的fe2o3有利於獲得高起始磁導率且頻率特性優良的鐵氧體;為了制備所需性能的鐵氧體，需要嚴格控制配方中各種原材料的含量，優化配方;由於粉體活性受預燒條件的影響，所以對不同要求的鐵氧體選擇的預燒條件就不一樣，適當降低預燒溫度有利於獲得較高的起始磁導率，而為了獲得良好的頻率特性可以適當地提高預燒溫度;根據對粉體顆粒粒徑的不同需求，可以選擇不同的球磨時間;而有效的添加劑是改善材料性能的必要條件，本文在添加劑的研究中主要對bi2o3 、 moo3 、 k2co3 、 co2o3的影響分別作了詳細地討論;燒結溫度、保溫時間和燒結氣氛是高磁導率mnzn鐵氧體制備最關鍵的工藝，適宜的燒結工藝可以獲得理想微結構和組成，從而得到高性能的鐵氧體材料;而從材料的微結構上來看，要提高材料的截止頻率，就要適當地細化晶粒、增加晶粒內部的氣孔。
  9. Phosphorus pentoxide is usual material and reagent in chemical industry, this product is widely used in the industries of medicine, coating auxiliaries, printing and dyeing auxiliaries, anti static additive, titanate coupling agent, phosphorus oxychloride, chemical. mainly used in producing high purity phosphoric acid, used as desiccant of gas and liquid, dehydrant of organic synthesis

    五氧化二磷是化學工業中常見的原料和試劑，本品廣泛用於醫藥，塗料，印染，化工等行業，主要用於製造高純度磷酸，用作氣體和液體乾燥劑，有機合成的脫水劑，以及有機磷酸酯的制備。
  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 。
  11. Solder bar is made from high purity metal. by means of strict qualitg control the oxide and metallic and non - metallic impnrities and effectively minimized, the available high purity solder bar is with uniform and glazed surface good wetting and spreading ability after molten bright joint and minimum oxide residue after soldering. our product is suitable for wave and handwork soldering with high quality requirement

    本公司生產焊錫條採用高純度金屬原料，在嚴格品管條件下，有效控制氧化程度以及金屬和非金屬雜質含量，焊錫條表面均勻光滑，純度極高，熔化后流動性好，潤濕性極佳，焊點光亮，氧化渣物極少發生，適用於高品質要求的各種波峰焊和手工焊。
  12. To improve the purity of carbon dioxide from the purifying column, a nonlinear model was established for describing the relationship between the carbon dioxide purity and the seven factors of feed purity, feed temperature, column top pressure, column top temperature, column reactor heating temperature, column reactor pressure and column reactor temperature built on the actual production data by using artificial neural network

    摘要為提高提純塔出口二氧化碳純度，根據實際生產數據運用人工神經網路方法建立了出口二氧化碳純度與進塔純度、進塔溫度、塔頂壓力、塔頂溫度、塔釜加熱溫度、塔釜壓力、塔釜溫度7個因素之間的非線性模型。
  13. The paper developed a novel method of preparation of potassium ferrate by hypochlorite oxidation, and determined the optimal parameters. the experimental results demonstrate that fe ( vi ) compounds with high purity and yield can be prepared by raw technical materials. a variety of fe ( vi ) cathode materials, synthesized by potassium ferrate and alkaline - earth metal salts, provide a high - energy electrochemical discharge

    採用改進的次氯酸鹽氧化法（濕法） ，以工業級的原料，在實驗室內，從1到4倍率規模合成高純度、高收率的fe （ ）化合物起始物? ?高鐵酸鉀，純度可達98 、收率在80以上；再以高鐵酸鉀為原料合成堿土金屬fe （ ）化合物或其他fe （ ）復合物，其中堿土金屬fe （ ）化合物純度可達94以上。
  14. According the key factors we find, we bring forward a new conception : multilevel suppressor and design a new high performance suppressor whose ion - exchange membrane has bigger areas and using three electrodes including one cathode ( anode ) and two anodes ( cathode ), at the same time we fill the suppression compartment with one kind of ion exchange resin which has moderate exchange capacity. according to our experiment ' s results, we find the new type suppressor has quite high working current efficiency and suppressing capacity. in most cases, the suppressor ' s current efficiency is over 90 % ; the suppressor can transform the naoh ( concentration : 200mmol / l, flow rate : i. oml / min, conductance : over 10000 i - i s cm " ) to pure water ( conductance : 8. 9 it s cm in chapter 3, the high performance suppressor is applied in determination some trace - amounts ions in plating solution, sewage. in this chapter, we also have a research on the gradient ion chromatography

    第二章首先以xyz - 1型電化學抑制柱為例，分析了電化學抑制柱的抑制過程得出影響抑制容量的主要因素主要是抑制柱的電流效率和離子交換膜的極限電流密度，因此採用中等交換能力的離子交換樹脂作為抑制室的填料以提高電流效率，在通常情況下電流效率可達到90以上；在選用同種離子交換膜的前提下，可通過增加離子交換膜的有效面積達到提高極限電流的目的從而提高抑制柱的抑制容量，因此提出了多級抑制的概念並據此研製了共電極式高容量電化學抑制柱，該抑制柱最高可將流速為1 . 0ml / min ，濃度為200mmol / l電導率超過10000 s ? cm ~ （ - 1 ）氫氧化鈉溶液抑制為電導率低至8 . 9 s ? cm ~ （ - 1 ）的純水，並且具有穩定性高、分析結果準確等優點。
  15. Abstract : the effects of calcium hydroxide purity, sodium hydroxide concentration, and chlorination temperature on effective chlorine content of calcium hypochlorite have been tested. the results indicate that the higher calcium hydroxide purity is, the higher effective chlorine content of calcium hypochlorite is, that when sodium hydroxide concentration is 30 %, and chlorination temperature is 20, the effective chlorine content of calcium hypochlorite is the highest

    文摘:測試了氫氧化鈣純度、燒堿濃度和氯化溫度對漂粉精有效氯含量的影響.結果表明，氫氧化鈣的純度越高，漂粉精的有效氯含量越高；燒堿濃度為30 、氯化溫度為20時，漂粉精的有效氯含量最高
  16. The effects of calcium hydroxide purity, sodium hydroxide concentration, and chlorination temperature on effective chlorine content of calcium hypochlorite have been tested. the results indicate that the higher calcium hydroxide purity is, the higher effective chlorine content of calcium hypochlorite is, that when sodium hydroxide concentration is 30 %, and chlorination temperature is 20, the effective chlorine content of calcium hypochlorite is the highest

    測試了氫氧化鈣純度、燒堿濃度和氯化溫度對漂粉精有效氯含量的影響.結果表明，氫氧化鈣的純度越高，漂粉精的有效氯含量越高；燒堿濃度為30 、氯化溫度為20時，漂粉精的有效氯含量最高
  17. The theory of the hydrogen uptake on carbon nanotubes has been discussed. secondly, for the purpose of improving the activities of the carbon nanotubes " surface, mwnts were treated by oxygenation in the air and surface treatment. thirdly, mwnts were modified by mechanical grinding

    對多壁碳納米管氧化提純及表面處理的研究表明：空氣中焙燒多壁碳納米管可除去無定型碳等雜質，碳管的純度大為提高； naoh是良好的分散劑，可改善碳管的表面活性。
  18. Advanced technical ceramics - methods of test for ceramic powders - determination of impurities in alumina

    高技術陶瓷.陶瓷粉的試驗方法.氧化鋁的純度測定
  19. Oxygen obtained from liquefied air is usually about 99. 5 % pure

    由液化空氣所取得的氧其純度通常約為99 . 5 % 。
  20. The plant completely of oxygen for medical according to the principle of refrigeration and circulation of the highefficiency. turbine expander, liquid oxygen pump replace oxygen compressor improve purity of oxygen, achieve state standard of medical oxygen

    醫療用氧專用成套設備流程採用效率較高的透平膨脹機深度冷凍循環，液氧泵取代氧壓機提高了氧氣純度，達到國家醫用氧標準。
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