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- the K--Na selectivity 钾钠离子选择性
- The K、Na in hydrazine hydrate are determinated by Flame Photometry, Ca、Mg are determinated by Flame atomic absorption spectrometry. 采用水浴蒸发方法将水合肼主体除去,火焰光谱法测定钾、钠,原子吸收法测定钙、镁。
- The chromatogram experiment shows that the impurities in the YVO 4 crystal include the VO,YO,NdO,YVO 2,YVO 3,Y 2O 2 groups,the K,Na,Ca elements,and the Cs +,Pb 2+ ions. 采用色谱对原料样品和晶体样品中的杂质元素和杂质基团进行分析 ,发现钒酸钇晶体内部含有VO ,YO ,NdO ,YVO2 ,YVO3 ,Y2 O2 基团 ,含K、Na、Ca等碱金属和稀土元素。 在晶体中含有杂质离子铯和铅
- There is no walk satisfying the conditions of the K??igsberg bridge puzzle. 不存在满足哥尼斯堡桥问题的条件的通道。
- Another measure of holdup is the k factor used by Bankoff in connection with the bubble flow pattern in gas-liquid flow. 滞留现象的另一个度量是Bankoff在气-液流动的泡状流型中所采用的因数K。
- The office floors above are dramatically cantilevered over the K Street frontage, creating an "open" pedestrian arcade. 该办公室楼层以上急剧悬臂以上的K街临街，创造一个"开放式"行人拱廊。
- The superstitious yto an put the k priority on the superficial supersonic superiority. 迷信的人把优先权放在表面的音速的优良上。
- Suppose that all n of the pigeona are roosting,but that none of the k pigeonholes contains more than two pigeons. 例如，这一原理使我们能推断底特律的居民中有两个或更多个居民具有相同数目的头发，这是因为居民的数目(鸽子)远远大于任何一个人头上能生长的头发的数目(鸽巢)。
- Jeffrey Katzenberg (the “K” in SKG) runs DreamWorks Animation, a separate, publicly owned company. 而杰弗瑞.;卡森伯格（SKG中的“K”）主要负责“梦工厂动画”公司。这是一家独立运营的上市公司。
- The wind whirled the dead leaves about. 风吹得枯叶在四处回旋。
- The wind was whispering in the trees. 一阵风穿过树林沙沙作响。
- The preliminary design data for the k APPA-DX rocket motor is presented in this web page. 初步设计数据的K appa -的DX火箭发动机是在这方面的网页。
- There are 26 letters in the English alphabet. 英语字母表中有26个字母。
- Foreign nationals were asked to leave the country. 外国侨民被要求离开该国。
- Olson was eating “one of those damn chocolate bars out of the K ration” and never noticed. 奥尔森正在啃吃“K口粮天杀的巧克力棒”，什么也没注意到。
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- A country must have the will to repel any invader. 一个国家得有决心击退任何入侵者。
- The K uptake was closely related to the strain NBT and its capsular polysaccharide. NBT菌株的吸钾作用与NBT菌株本身及荚膜多糖的多少密切相关。
- Swimming is the best way to tone up your body. 游泳是健体强身的最好方法。
- A fire was burning in the grate. 火在壁炉中燃烧着。
