hydrogen number 中文意思是什麼
hydrogen number
解釋
氫值-
For well-dispersed pt, all particles are essentially on the surface available for chemisorption by an equal number of oxygen or hydrogen atoms.
對于分散良好的鉑，表面上的全部粒子在表面上基本上都能被相同數量的氧原子或氫原子進行化學吸附。 -
Equation for predicting hydration number of ions in aqueous electrolytes by the spherical hydrogen bond model
球形氫鍵模型預測電解質溶液中的離子水合數 -
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，氫反應流場採用氫/空氣的七組元八方程模型和七組元七方程模型，碳氫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、壓力、靜溫、總溫和組元質量分數分佈及燃燒效率等性能參數，其中氫和甲烷的計算壓力分佈與實驗結果進行了比較。 -
Using the multi - cloud model to fit the ha - spectra data of the april 27, 1981 post flare loop, we obtained the spacial distributions of the four physical parameters in the space of the post flare loop : the line - of - sight velocity v the excitation temperature tex, the micro - turbulence velocity vt and the column number density of the hydrogen atoms at the second level along the line - of - sight direction fields n2
我們利用多雲模型處理了1981年4月27日太陽西邊緣耀斑后環的三個時段的h光譜掃描資料。通過對1000餘條對稱譜線和不對稱譜線的計算，我們得到了該耀斑后環各個時段在空間上的視向速度場，激發溫度場，視向上處于第二能態的氫原子柱密度場以及湍流速度場。 -
Whether it knows the total number of attendances at public hospitals and clinics arising from the misuse of hydrogen peroxide over the past three years
（一）是否知悉過去三年，公立醫院及診所共接獲多少宗因不正當使用雙氧水而求診的個案； -
Furthermore, they offer a number of advantages compared to the predominant ito films nowadays : ( i ) cheap and abundant raw materials ; ( ii ) nontoxicity ; ( iii ) good stability in hydrogen plasma, which is of significance for applications related to amorphous silicon solar cell. so the study on zao film is becoming fashionable
而zno ： al （ zao ）薄膜由於具有優良的光電特性而成為ito薄膜的潛在替代材料，且它還具有原材料來源豐富、成本低廉、無毒以及在氫等離子體中具有較好的穩定性等優點，是目前研究的熱點薄膜材料之一。 -
In this dissertation, the effect of texture, heat - treatment, and hydrogen on the lcf behavior of zircaloy - 4 and the cyclic deformation behavior for zircaloy - 4, n18 alloy and n36 alloy have been investigated systematically using fully - reversed tension - compression loading under strain control ( r = min / max = - 1 ), while the evolvement of the friction and back stresses versus the number of repeated working cycles and the plastic strain amplitude has been studied, and the thorough discussion combined with the analysis result of fatigue sub - structure, friction and back stresses, and fatigue fracture has been given to the mechanism underlying the lcf behavior of alloys
本文採用對稱拉壓循環變形方法（ r _ = _ （ min ） _ （ max ） = - 1 ） ，系統研究了織構、熱處理狀態、氫對zr - 4合金低周疲勞性能的影響， zr - 4合金、 n18合金和n36合金的循環變形行為，並研究了摩擦應力、背應力隨循環周次、塑性應變幅的變化規律。結合疲勞亞結構和疲勞斷口的分析結果，深入探討了影響合金低周疲勞行為的作用機制。 -
" valence number of bonds ( see bonding ) an atom can form. hydrogen ( h ) always has valence 1, so other elements ' valences equal the number of hydrogen atoms they combine with.
原子價:元素的一個原子能夠結合其它原子的數目。元素的特徵價數是以該元素一個原子可結合的氫原子數或可從一化合物中置換出的氫原子數來表示。 -
Economy ? series of guar gums are absorbed very rapidly on the cellulose fibres owing to their structural similarity with cellulose and in addition they carry a large number of hydroxyl groups, suitable for the formation of hydrogen bonds
這里的瓜爾膠系列產品都能很快地被纖維細胞所吸收，是由於它們的細胞結構和纖維細胞非常相像，其次它們帶有大量的羥基團適合氫鍵的形成。
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