氫分佈 的英文怎麼說
中文拼音 [qīngfēnbù]
氫分佈
英文
hydrogen distribution-
Are the hydrogen bonding patterns between the strands of the jelly roll fold equivalent for all pairs of strands ? if not, where do they differ
是否所有成對的股與股之間的瑞士卷摺疊對等體的氫鍵分佈皆相同?如果不是,它們的差異為何?The relationship between protein secondary structureand messenger rna secondary structure
多肽鏈二級結構的氫鍵定義及氨基酸殘基間的氫鍵分佈From the aspects of agricultural economic and environmental ecological effects, were the effects and mechanism of rare - earth micro - fertilizer to improve the growth, development, quality and yield of the crops ; the adjustment of crops growth by influencing the number of microbial population in soil district and the function of the soil dehydrase, alkaline phosphatase, urease and sucrase ; the ecophysiological effects of alleviating the injure of acid rain, ultraviolet radiation, heavy metal on crops were illustrated ; the sureness of bee ' s use in agricultural was provided, according to the rule of the distribution and enrichment of be in crops
摘要從農業經濟效應和環境生態效應二方面,論述了稀土肥料促進作物生長、發育,提高作物產量,改善作物品質的效應與機理;影響土壤區系中微生物種群數量和土壤脫氫酶、堿性磷酸酶、脲酶及蔗糖酶的功能,繼而反饋調節作物生長;緩解酸雨、紫外輻射和重金屬傷害作物的生態生理學效應;並以稀土在作物體內分佈與富集規律為參考,探討了稀土農用的安全性。The reflector can increase the neutron flux obviously and the main processes of the neutron yield in reflector are spallation reaction induced by energetic hadrons and ( n, 2n ) reaction. when the moderator height is equal to the distance between the upper part and the lower part of the split target, the total neutron flux of the split target will be higher by 20. 1 % than that of the integral one. secondly, the high - energy neutron escaping from the target will enter into the moderator and be slowed down
得到經水慢化器慢化后,中子通量在慢化器厚度與高度方向上的分佈;比較了水與液態氫的慢化能力以及中子在水、液態氫、液態甲烷這三種慢化器慢化后的能譜;在csns的靶站設計中,引出慢中子的導管不完全位於慢化器中子引出面的法線方向上,因此進一步計算了中子通量角分佈。With succession of community, the activity of catalase increased gradually, and the vertical variation of the activity was affected by environmental factors and did n ' t show identical rule
華東師范大學博士學位論文摘要過氧化氫酶活性隨著演替的發展有逐漸增大的趨勢。各植被帶酶活性垂直分佈受環境因子的影響而沒有統一的分佈規律。Sims depth profile analysis on the as - implanted wafers showed that there are two hydrogen enrichment peaks around both sides of the projected range ( rp ) of oxygen, which correspond to the two interfaces of the box layer of the annealed samples
Sims結果表明水離子原注入樣品中的氫分佈出現了明顯的雙峰分佈狀態,這兩個峰的峰位分別位於注入氧分佈濃度峰值rp的兩側,並且與退火樣品的氧矩形分佈的兩邊位置基本重合。In order to trace out the spiral arms, we could search for the hydrogen, which is abundant in the spiral arms
為了把旋臂的結構勾勒出來,方法是找出旋臂中特別豐富的氫氣分佈情況。Interstellar hydrogen will emit a characteristic wave with wavelength 21cm. most of the sources of this wave are gas clouds in the spiral arms. second to the 21cm emission, the radio wave emitted by the molecular gas clouds in the arms are also good spiral arm tracers
在旋臂中的氫氣分子云,會發射出波長為21厘米的無線電波,只要探測這些無線電波在天空中的強度分佈,便可推算出旋臂的結構。After a series of reactions, an ester which is a derivative of ferrocene is obtained, then using the ester react with 1, 8 - naphthalenediamme, o - m -, p - phenyleiiediamine, ethylenediamine and 4. 4 ' - - biphenyldiamine respectively, polymer ( i ) ( ii ) ( iii ) ( iv ) ( v ) and polymer ( vi ) are obtained at the final part, we have discussed in brief the general properties of polymer ( i ) - { vi ) and analyzed systematically hnmr ir spectrum tg - dt diagram and molecular weight distribution of these polymers
簡要討論了聚合物( i )一( vi )的一般性質,對聚合物的核磁共振譜、紅外光譜、 t (卜刃t圖以及分子量分佈進行了系統研究。本文對聚合物( i ) 、 ( 111 )和(硯)的核磁共振譜和紅外光譜進行了分析,研究結果表明:聚合物中的援基上的氧原子能與芳胺上的氫原子形成分子內氫鍵,使聚合物的分子內出現了一個平面六元環結構,並山于分子內氫鍵的存在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。The test results of sub - c type showed that middle voltage is higher with 50 u m alloy particle, la - rich alloy has perfect performance at high rate, ce - rich alloy is excellent at high rate and lower temperature, low co alloy is good to decreasing middle voltage except the less recycle life. experiments about the electrolyte showe d that the performance is optimized with contents : koh 78 %, naoh 20 %, lioh 2 % and density 1. 300 g / cm3
對貯氫合金材料粒度和成份進行了粒度分佈測試、成分分析和xrd掃描,並將材料制備成sc型電池進行大電流測試,結果顯示,合金粒度在50 m時,電池放電平臺高,富鑭合金的大電流性能好,富鈰合金有利於電池低溫高倍率放電性能,合金中鈷含量減少雖對電池的放電平臺有利,但循環壽命短。And the no - isothermal structure can accelerate the breaking of gravity wave in mesospause, and the breaking of gravity wave is an important source of convection and small - scale waves. the propagation of gravity wave will affect the distribution of minor species. the breaking of gravity wave accelerates the downward transport of atomic oxygen, some smaller - scale structures appear on the horizontal distribution of atomic oxygen number density, and other chemical species are also affected due to the chemical reaction with atomic oxygen and the propagation of gravity wave
在重力波的傳播過程中,氫氧大氣成分的水平和垂直分佈均受到了不同程度的影響,以氧原子的響應最為明顯,而其中重力波破碎在氧原子水平分佈上的反應則是非線性重力波過程的一個重要表現;另外,分析顯示,重力波的非線性傳播對oh氣輝的峰值分佈由明顯影響,小尺度重力波的傳播有時會引起oh氣輝出現奇異的雙峰分佈,重力波的破碎現象也可以從對氣輝的觀測中反映應出來,這對利用氣輝觀測研究重力波傳播特性有非常重要的指示意義。The gettering processes usually are estimated by gettering of au to nanocavity in silicon. in this paper, the characteristics of nanocavity gettering mechanism, diffusion and distributing of aurum and ion implantation in silicon were described. in this work, many bumps on the polishing surface of the silicon, after a he + impantation in and subsequently a hot - treatment, were observed using atomic force microscope ( afm )
我們注意到,在研究氫、氦離子注入誘生微孔的吸除作用時多以對金雜質的吸除效果來對吸除工藝進行評估,因此本文對微孔吸除機理、金在硅中的擴散和分佈以及半導體中離子注入的特點進行了描述。The optimum technic conditions have been gotten in in preparaing high dispersive a1 ( oh ) 3 colloid by controlling reactant concentration, ph value, reaction temperature, matured time. they are the prereguisite to prepare nanopoder of a - a1203. this paper entirely and systematically studies the following three kinds of drying stages : oven drying, dehydration with alcohols and azeotropic distillation stage
本文採用逐步逼近法進行了氫氧化鋁膠體的沉降實驗,對膠體形成的體系反應物的初始濃度、體系的ph值、反應溫度和膠體的陳化時間進行了系統優化,並獲得了制備高分散氫氧化鋁膠體的最佳工藝參數;此膠體經過過濾、 80下烘乾后所得樣品,在掃描電鏡下直接觀察其粒徑為50nm ,且分佈范圍窄,顆粒的表面清潔,為球形。Plasma characteristics of a rf ion source are investigated by emission spectroscopy. the spatiotemporal spectral line intensities of the first three atomic lines in hydrogen bahner series ( = 656. 28, 486. 13, 434. 05nm ) of rf ion source plasma, are measured with calibrated optical multichannel analyzer ( oma ). some plasma parameters, including electron temperature, hydrogen atom density and hydrogen ion density, are calculated and analyzed using partial local thermodynamic equilibrium ( plte ) theory and abel transform
實驗採用絕對定標后的光學多道分析系統( oma )測定了離子源等離子體不同時間和空間位置的氫原子巴耳末譜線系中前三條譜線( = 656 . 28 , 486 . 13 , 434 . 05nm )的強度,並採用plte的理論和abel變換方法,計算出了高頻離子源等離子體的電子溫度、氫原子濃度、氫離子濃度等參數在放電的不同階段和徑向分佈情況,並進行了簡要分析。The neutron flux extracted to different angles has been calculated. finally, the heat depositions in the target, the reflector and the moderator have been calculated. based on these results, the temperature and stress distribution hi tungsten target under different cooling condition have been calculated too
最後計算了靶、反射體以及不同慢化器(水、液態氫、液態甲烷)中的熱量沉積,並以此為依據,利用工程軟體ideas進一步計算了各種冷卻條件下,靶中溫度場與應力場分佈。An experimental gas generator installation was established and applied to research the self - ignition behavior of ethanol while it was injected into hot oxidizing gas mixture produced by decomposing of h2o2 with high concentration
裝置中質量分數為90 %的過氧化氫溶液由高壓氣擠推,通過催化床完成催化分解,產生高溫氣體;質量分數為97 %的酒精溶液經由分佈噴嘴噴入過氧化氫分解氣體中發生自燃,從而提高氣體溫度。The paper has analyzed the performances of heat transfer and flow in the heat exchanger, founded the one - dimension model for heat transfer and flow in the microchannel, fit the hydrogen state and thermodynamic equations in the range of heat exchanger status, analyzed the influence which were raised by inlet flow parameters and structure parameters on the parameters in microchannel at the stable status
本文分析了氫工質在熱交換器內的傳熱流動特性,建立了微通道內傳熱流動的一維模型,擬合了換熱器工況范圍內的氫工質的狀態和熱物性方程,分析了穩態工況下入口流動與結構參數對換熱器內參數分佈的影響。To give readers an example : the electron cloud of a hydrogen atom on earth is essentially distributed spherically around the hydrogen nucleus. but interesting things occur when we place a hydrogen atom in a strong magnetic field of 8 x 10
舉例說,在地球上,氫原子的電子云呈球狀分佈在氫的核心內但當你把一顆氫原子放在8x101 ' hlxiugh tracing large of h2, we got tlle axial alld radial distribution gfhydrogen storage il1 t1le cnt
給出了平衡態下氫分子沿軸向、徑向分佈的理論解釋。分享友人