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sodium
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Sulbenicillin Sodium 磺苄青霉素钠 短句来源 Sodium Nitroprusside 硝普钠 短句来源 
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Transfersomal formulation with optimal concentration of Soya phosphatidylcholine (SPC) and sodium deoxycholate (85:15 w/w) showed entrapment efficiency of 39.8±0.032 and deformability index of 16.4.
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Ameltolide shares with phenytoin and carbamazepine a common mode of action involving interaction with central voltage-dependent sodium channels.
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Aqueous extract of the medicinal plant Mentha crispa alters the biodistribution of the radiopharmaceutical sodium pertechnetate
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The growth rate of the mordenite crystal along individual axes increases first and then decreases with increasing concentration of sodium hydroxide.
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Synthesis and surface-active property of bis-quaternary ammonium-sodium sulfate Gemini surfactant
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The X ray diffraction of liquid potassium has been studied with MoKa radiation using the double filter differential method. The result of analyzing the intensity curve shows that the density fluctuation curve of liquid potassium resembles very much that of liquid sodium. Both curves have two maxima at r(2W/eN)-1/3 = 0.93 and 1.65 and two 著者应用鉏之Ka射线以定液态钾之构造,得液态钾之构造与液态钠者同於是知凡结晶构造同属一类之单原子物质液态构造亦同属一类而液钾态及钠之构造皆可称曰同属含心立方类(Body-centered cubic type),蓋此类之构造与固态之含心立方晶系可证明具有密切关系也 文摘来源 An interference pattern of two systems of fringes has been obtained by vising two radiations in a Hilger prism interferometer A system of white bands with equal spacing which are always parallel to the refracting, edge of the prisin is the result of the intersection of the two systems of fringes. The white bauds travel as one of the reflecting mirror in the interferometer makes a parallel displacement. Let d be the displacement of mirror when the white bauds travel one spacing,Two yellow doublets in sodi... 在Hilger棱镜干涉仪中,用两辐射线,则在一干涉图形中可得两组不同方向之干涉纹;因两组不同方向之干涉纹之相交,而得一组平行之白色条纹。此种条纹恒与棱镜折射边相平行,而条纹间之间隔为相等。当干涉仪之一反射镜作前後平行移动时,白色条纹则向左或右移动。令白色条纹移过一间隔时,反射镜移动之距离为d.则得 1/(λ_2)-1/(λ_1)=1/2d. 钠光及汞光灯中之黄色双线普用于此实验中。1/(λ_2)-1/(λ_1)之值各求得为17.22厘米~(-1)及63.29厘米~(-1)。此实验与麦凯尔逊干涉仪之明视曲线互见短长,本文曾讨论及之。 文摘来源 1. A simple method is presented for determining double bond index of pure unsaturated hydrocarbons, petroleum fractions and other hydrocarbon mixtures based on a correlation of observed refractive index, calculated refrac-tive index, molecular weight and the number of double bonds per molecule. The data neccessary are: (a) mid-boiling point, (b) refractive index at 20℃ for sodium D line, (c) density at 20℃ and (d) weight percent hydrogen of the 依据在20℃钠D线折光率实测值,在20℃钠D线折光率计算值,分子量及每一分子内所含双键数间之相互关系,推衍得一简易方法,用以测定纯不饱和烃及石油分馏油份之双键率(Double Bond Index).所需由实验测得之数据为试料之(甲)在20℃钠D线折光率,(乙)在20℃时之密度,(丙)中间沸点(Mid-boiling point),及(丁)含氢重量百分数.用本法测得双键率值,与用尼蒲金(Lipkin),圣金(Sankin)及马丁(Martin)三氏法测得双键率值适相吻合.因此,用本法所测得之双键率,足资用以鉴定石油分馏油份内所含芳香族烃及烯(?)烃之主要型式.惟需指明者,即在依据本法测得之双键率,用以鉴定石油分馏油份内所含不饱和烃之主要型式时,必须测定由石油分馏油份内提出仅含不饱和烃浓缩物之双键率. 文摘来源 << 更多相关文摘 
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