氫壓力 的英文怎麼說

中文拼音 [qīng]
氫壓力 英文
hydrogen pressure
  • : 名詞[化學] (氣體元素) hydrogen (h)
  • : 壓構詞成分。
  • : Ⅰ名1 (力量; 能力) power; strength; ability; capacity 2 [物理學] (改變物體運動狀態的作用) forc...
  1. Since a carbon nucleus is six times more positively charged than a hydrogen nucleus, the cno cycle can only operate at the higher temperature and density provided by the more massive stars

    但因碳原子核帶的電荷是原子核的六倍碳氮氧循環需要只有質量大星體所能提供的較高溫度和才能維持。
  2. We possess accurate processing equipments, such as hydrogen making equipment, reducing furnace, isocratic press machine, 500t capacity hydraulic machine, intermediate frequency induction furnace, high or low temperature fritting durance and forging equipment, which forms whole production line

    公司擁有制裝置、系列制粉還原爐、等靜機、 500噸油機、中頻感應爐、高低溫燒結爐、鍛造設備及精密加工設備。
  3. In this paper, the mechanism and forming process of the cracks in view of the stress corrosion were analyzed accounting for the pressure vessels working in the atmosphere of wet hydrogen sul - phide, sodium hydroxide or liquidized ammonia

    本文分析了容器及設備在濕潤硫化氧化鈉溶液和液氨介質中應腐蝕開裂的機理和應腐蝕開裂的過程。
  4. The primary theory of absorption and desorption was also explained. the effects of primary process parameters, such as hydrogen pressure, time and temperature on the magnetic properties of ndfeb have been researched. the structure and magnetic properties have been analyzed by means of optical metallographic microscopy, scanning electronic microscopy, x - ray diffraction analysis, infrared oxygen detector and magnetic properties measurement

    本文設計了燒結ndfeb的爆制粉設備,對設備調試以及使用過程中出現的主要問題進行了簡要的說明,提出了一系列解決方法;闡述了吸、脫的基本原理;研究了、通時間、爆溫度等基本工藝參數對磁性能的影響;利用金相顯微鏡和掃描電子顯微鏡, x射線衍射分析,紅外線測氧分析及綜合磁性測量儀等手段分析了材料的組織結構和磁性能。
  5. As compared with the pressure of carrier gas, the subatmospheric pressure is more favourable condition to atomize the hydride, so the atomization temperature was lower ( about 650 )

    由於硒化的原子化是在負下完成的,它將比常或載氣下更有利於化物的原子化,因而使硒化原子化的最佳溫度降低。
  6. High energy explosive was used to create a powerful and planar shock wave for accelerating flyer plate to high velocity, and high pressure was produced when flyer impacting with the sample. in the experiments, the impactor was brass and target was ofhc copper. by measuring the shock wave velocities of hr2 steel, high - density glass, aluminium alloy ( ly12 / lf6 ), magnesium - aluminium alloy ( mb2 ), polymethyl methacrylate and air, shock pressure and release isentrope of ofhc copper have been obtained

    採用化爆加載、平面波發生器和空腔增技術,以黃銅為飛片,無氧銅為靶板,測量了抗鋼( hr2 ) 、重玻璃( sio _ 2 ) 、鋁合金( ly12 lf6 ) 、鎂鋁合金( mb2 ) 、有機玻璃( pmma ) 、空氣( air )和無氧銅( ofhccopper )各阻抗匹配樣品中的沖擊波速度,上述材料的hugoniot狀態參數c _ 0 、均為已知,由此確定了無氧銅的沖擊加載和等熵卸載后的狀態,得到了等熵卸載路徑。
  7. The process normally involves treating the yarn or woven article with a cold, concentrated sodium hydroxide solution under tension

    絲光處理的過程一般包括在環境下用冷的,濃縮的氧化鈉溶液處理紗線或都已織好的布料。
  8. We will start with a cubic inch of hydrogen at atmosphere pressure ( or the air pressure at the earth ' s surface )

    我們從大氣(即地球表面的空氣)下的一立方英寸氣開始。
  9. The convective term is solved by ausm + ( a sequel to ausm which means " the advection upstream splitting method " ). the 7 species 8 steps model and 7 species 7 steps model of hydrogen / air is used in the hydrogen reacting flowfield, the 9 species 5 steps model of methane, the 10 species 10 steps model of ethane and the 10 species 13 steps model of kerosene are used in the hydrocarbon reacting flowfield, the results of the distributions of velocity, mach number, pressure, static temperature, total temperature, species mass fraction and the combustion efficiency are gained, and the numerical results of the pressure of hydrogen and methane are compared with those of the experiment

    計算中通量項採用ausm +通量分裂格式,反應流場採用/空氣的七組元八方程模型和七組元七方程模型,碳反應流場採用甲烷的九組元五方程模型、乙烯的十組元十方程模型和煤油的十組元十三方程模型,得出了超燃發動機燃燒室流場的速度、馬赫數、、靜溫、總溫和組元質量分數分佈及燃燒效率等性能參數,其中和甲烷的計算分佈與實驗結果進行了比較。
  10. ( 2 ) also, we discuss how to set up a hydrogen network super structure and a optimization model of oil refineries. the advantage of the super structure is considering suppliers, consumers, purifier, compressors, pipes and pressure constraints, and connecting all possible links from sources to sinks

    ( 2 )本文討論了煉油廠網路子系統超結構的構建和優化方法,綜合考慮了系統的供裝置、耗裝置、提純裝置、縮機、管網,以及系統的約束條件,建立了所有可能的源與阱之間的連接。
  11. Conventional approaches to compact hydrogen storage ? compressing the gas to up to 10, 000 pounds per square inch ( psi ) or cooling it down to cryogenic temperatures so that it liquefies ( around - 252 degrees celsius ) ? can attain only about half the energy density needed to fit enough fuel inside something the size of a gas tank

    一般氣儲存槽所使用的方式,是將氣體縮使達到每平方公尺700萬公斤重,或是冷卻到將近- 252使之液化,但這只能達到所需能量密度的一半,無法將整個氣瓶充滿。
  12. In the second chapter, firstly, based on the analysis of theoretic cycle of hydrogen engine, the relations between state parameters in four strokes are established

    燃料發動機的理論循環為基礎,進行了各工作過程狀態參數的計算分析,得出了描述理論循環動性和經濟性,即平均指示和熱效率的表達式。
  13. Firstly we maked sure method of isolating arabidopsisis mutant by thermal imagings in many ways on trial, optimize conditions for isolation, and confirm the good period of seedlings and fine density for isolation, select correct isolating pressure ( drought and h2o2 ) that is fit for isolate mutant. secondly we obtain an ml population derived from 0. 4 % ethyl methanesulfonate ( ems ) - mutagenized wild type arabidopsis thaliana

    本實驗首先是對利用遠紅外成像技術篩選擬南芥突變體方法的可行性進行多方面的試驗,優化篩選條件、確定篩選所需幼苗的生長時間、種植密度,界定用於篩選所需的脅迫(過氧化和乾旱)選擇
  14. The conclusions are as follows : ( 1 ) high - pressure water - atomization can be used to produce a pre - alloyed steel powder with high apparent density, high green strength, size - stability after sintering and low hydrogen - loss content ; ( 2 ) the higher smelting temperature and / or water pressure, the finer particle size of steel powders ; ( 3 ) when the atomization angle holds in a reasonable value ' s range the obtained powder will have a better particle size distribution ; ( 4 ) an optimum atomization technological parameters : liquid steel flux, water pressure and water prick angle was obtained ( 5 ) reduction variables ( temperature, holding time, material - bed ' s thickness and reducing gas flux ) have a significant effect on the particle agglomeration and properties of final powder was given ( 6 ) different alloying methods were developed to modify properties of ferrous powder materials and hence to broaden its applications in ferrous powder metallurgy industry

    本文系統研究了水霧化預合金鋼粉生產工藝及合金化方法對鐵基粉末冶金材料性能影響,詳細研究了冶煉、霧化、還原工藝參數對預合金鋼粉化學成份和物理性能影響,並得出如下結論: ( 1 )採用高水霧化技術可用於生產高密度、高強度、尺寸穩定性的低損含量的水霧化預合金鋼粉。 ( 2 )冶煉溫度越高,高越大,所得生粉顆粒粒度越細。 ( 3 )水錐角調整在一個適當角度范圍內可獲得粒度組成較好的生粉。
  15. The method of optimization is the complex method. the objective function is the opration expenses of the hydrogen system. there were six decisive variables : the pressure and temperature of the high - pressure separator of vrds, gas ration to the prism unit from vrds unit and ssot unit, the pressure of the high - pressure separator of ssot and the entrance pressure of the cycle hydrogen compressor

    優化問題以氣系統的運行費用函數作為目標函數,選擇了6個決策變量,分別為: vrds高分離器、溫度、 vrds和ssot裝置排入prism的氣量、 ssot高分離器和循環縮機入口
  16. The prepared sdse modified zirconum meinbrane was tested at the wider range of tcmperaure and pressure and differellt composihons of hydrogen mixturc gases ( i. e. different hydrgen panal pressure ) in order to examine the performance of this membrane and the sole hpermselechvity of the membrane. the results showed tha the purity of the permeated hydrgen is l00 % at the base of the detection greatest lower lanit of the qhle mass spectrometer, and there was no impurity gas passed, the permeating flux and permeability of this membrane are from several decades times to one decade times more higher than tha of a palladum membran in the range of from 593k to 773k, puv = 0. 2 ~ 0. 3mpa, pdn = 4x l04pa - - 0. lmpa, the hydrogen permeatng flux is increased with the difference of the squto root of pressure, and presents a linear relationship, the pressure seems has no influence on the permeablity, the permeabi1ity is decreased with the increasing of the temperature, and presents an exponential relationship, accondng to the fitting curve of the relationship betwen the permeability and the temperatur derived from the experimenta daa, in the range of 593k ~ 773k, pup0. 2 ~ 0. 3mpa, pha = 4 x l0 # pa ~ 0

    在更寬的溫度范圍、差范圍內,在不同原料氣組成(即不同的氣分)條件下,對所制備的鋯表面改性膜進行了滲性能實驗,考核了膜對的唯一選擇滲透性,結果表明:在四極質譜的檢測下限內,只有氣存在,而無雜質氣體通過;在593k 773k溫度范圍內,鋯表面改性選擇滲膜具有高於鈀膜數十倍至十幾倍的滲流量和滲系數;其滲流量隨著膜兩側平方根摘要差的增大而增大,並且呈線性關系;對膜的滲系數幾乎無影響;膜的滲系數隨著溫度的升高而下降,井巨呈指數關系:根據對實驗數據所作滲系數與溫度關系曲線的擬合,在溫度593k 773k范圍內,差p 、 0二0
  17. Lmpa, the relationship is f di = l 55xl0 - " e47j l t ) in this range, the relative error of the hydrgen permeabilty bbeen the experimental values and the formula values are less than 3 %, the durability test showed that after the cycle experiments of prcssure and tempebe for 30 days, the perfrmance of the membran did not change, at last, the theory of hydrogen permeaton was discussed, too. through this work, the pfepared surf ases modified zirconium memran can satisfy the requirement of the purity and the permeating fiux of hydrogen isotope gas

    Imp范圍內,鋁表面改性選擇滲膜的數學表達式為: ( 1320 i 155x10 」 exd l 「 t )在這個溫度和差范圍內,滲系數的實驗數據計算值與數學公式計算值的誤差在3以內;鉻表面改性選擇滲膜的壽命考核實驗表明,經過連續30大的循環溫度、實驗,膜的質量、性能無變化;並討論了膜的滲理論。
  18. Its dense metal membranes produce high purity hydrogen over a wide range of pressure and load

    以緻密堆積金屬製成的薄膜可在大范圍的與進料負荷下均可分離出燃料電池所需純度的氣。
  19. Foodstuffs - determination of trace elements - determination of total arsenic and selenium by hydride generation atomic absorption spectrometry after pressure digestion

    食品.痕量元素的測定.分解後用化法原子吸收光譜測定法測定硒和砷的總含量
  20. 2. the pressure - and time - dependent fiber photosensitivity was studied in this paper and the uv - induced index changes were measured. the results show : while hydrogen pressure was increased, the photosensitivity gradually increases ; while hydrogen - loading time prolongs, the change of photosensitivity is consistent with the evolution of hydrogen concentration

    二、研究了不同載氫壓力下和不同載時間下的摻鍺石英光纖的紫外光敏性,結果表明:摻鍺石英光纖的光敏性隨著載氫壓力的增大,光纖的光敏性逐漸提高;隨著載時間的延長,光纖光敏性的變化規律符合載模型。
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