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     Then the authors studied the luminescence system of Es 3+/Tm 3+, Er 3+/Er 3+ and E r 3+/Yb 3+/Tm 3+ and their character of up-conversion and fluo rescence spectrum at 980 nm.
     根据情况作者研究了Er3+ /Tm3+ ,Er3+ /Er3+ 和Er3+ /Yb3+ /Tm3+ 发光系统在980nm抽运下的荧光光谱和上转换发光的性质,以及在声子能量较低的氟化物中,3个发光系统建立的优先性和Er3+ 离子浓度的关系。
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     In order to find out a kind of better photoluminescent materials, authors studied variation law of excitation spectra and emission spectra with composition in Eu~(2+)-activated 4MO. Ln_2O_3.Nb_2O_5 system,and also did the influence of europium concentration on the luminescent properties of 4Mo. Ln_2O_3.Nb_2O_5:Eu~(2+)
     为寻找新的发光基质材料,作者研究了在紫外线激发下,Eu~(2+)离子激活的4MO·Ln_2O_3·Nb_2O_3体系的激发光谱和发射光谱随组成变化的规律,并研究了 Eu~(2+)离子浓度对体系发光性能的影响。
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     Authors studied the plantar prints of 250 Tibetans in the suburbs of Lhasa。 The results are as follows:1.The patterns of the hallucal area are L>W>Ain order.
     作者研究了拉萨郊区250例藏族的跖纹,结果如下:1.拇趾球纹依次为L>W>A。
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     Authors studied the security of NTRU and used lattice reduction to attack it.
     作者研究了NTRU算法的安全性,使用格约化方法对NTRU算法进行攻击.
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     In, the authors studied the oscillations of difference equation of the form: Δ 2y n-1 +q nf(y n)=0,n=1,2,…(1)wherenk=1q n= const. or∞.
     文[6]作者研究了振动系数{qn}的一类非线性差分方程Δ2yn-1+qnf(yn)=0的振动性,给出了当∞k=1qk是有限或∞时,差分方程振动性定理。
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     The effect of change in Al_2TiO_5 content on the properties of the refractorids of Al_2TiO_5- A1_2O_3 series is studied.
     作者研究了组成变化对Al_2TiO_5-Al_2O_3系材料性能的影响。
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     The catalytic behavior of Fe/γ-Al_2O_3,Co/γ-Al_2O_3 and Ni/γ-Al_2O_3 for CO+H_2 reaction was studied. Hydrocarbon product distributions and specifie activities were determined.
     作者研究了Fe/γ-Al_2O_3,Co/γ-Al_2O_3和Ni/γ-Al_2O_3三种催化剂在CO+H_2反应中的催化行为,测定了碳氢产物分布和比催化活性,表明随着H_2/CO比增大和反应温度升高。
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     Some fluorine-containing polymers of CH_2=CRCO_2CHR'CH_2O_2CC_7F_(15)(where R.R'is H or CH_3) and their copolymers wity MMA and 2-ethylhexyl acrylate(EHA) were synthesized and their properties used as oil-and water-repellent agents were evaluated.
     作者研究了含氟单体CH_2=CRCO_2CHR’CH_2O_2CC_7F_(15)(式中R,R’=H,CH_3)的聚合物,及其分别与甲基丙烯酸甲酯(MMA)和丙烯酸-2-乙基己酯(EHA)的共聚物作为防油防水剂的性能。
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     The spectrophotometric properties of Cr(VI)-H_2O_2-ECR- CTMAB colour system were studied in this paper.
     作者研究了Cr(VI)—H_2O_2—ECR—CTMAB显色体系的光度特性。
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     The author studied the convexity and the locations of the zero points of solution for the equation. u″ -x/2u′+e~u-1=0.
     作者研究了方程u″-x/2u′+e~u-1=0的解的凸性和零点的位置.
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     The author lucubrated ADO.
     作者研究ADO.
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     The research showes that C.
     作者研究表明 ,C .
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     Quantitative Research in Journal Author
     期刊作者的量化研究
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     This paper presents some optimized methods of G.
     在研究 G.
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     We generalize the problem of an integer and its inverse, and D.
     研究D.
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  authors studied
Using the analysis of the interaction between EEG components [1], the authors studied the regularities of the formation of the EEG wave structure in 36 children aged 4 to 7 months, 2 to 3 years, and 4 to 5 years.
      
The authors studied the correlation between the physical development level and condition of psychophysiological functions in junior schoolchildren.
      
The authors studied the recognition of words using pictures (by children) and verbal monitoring, when the subjects were stimulated by isolated words with one or all syllables in noise.
      
The authors studied muscle fatigue in patients with parkinsonism receiving pathogenetic therapy and in elderly healthy subjects by means of turn-amplitude analysis of surface electromyography (EMG).
      
The authors studied changes in the hemostasis system while working on bicycle ergometer with and without manifest fatigue.
      
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This paper presents an analysis of slag-metal data of 122 tests collected fromthree blast-furnace plants in China by plotting[Mn][S]against(MnO)(S).Itis shown that the manganese-sulfur equilibrium is approached in the blast-furnacehearth in agreement with the conclusions of some recent publications.The threesets of data may be represented by straight lines of different slopes obtained bythe least square method.The manganese-sulfur equilibrium constant is shown to be related to theactivities of CaO,MnO and CaS.By...

This paper presents an analysis of slag-metal data of 122 tests collected fromthree blast-furnace plants in China by plotting[Mn][S]against(MnO)(S).Itis shown that the manganese-sulfur equilibrium is approached in the blast-furnacehearth in agreement with the conclusions of some recent publications.The threesets of data may be represented by straight lines of different slopes obtained bythe least square method.The manganese-sulfur equilibrium constant is shown to be related to theactivities of CaO,MnO and CaS.By using the activity values derived previouslyby the author,some preliminary results have been obtained concerning the effectof basicity and(S)on the manganese-sulfur equilibrium.The temperature-depen-dence of the manganese-sulfur equilibrium constant has been recalculated fromFiler and Darken's data on the distribution of manganese and sulfur betweenblast-furnace metal and slags.The blast-furnace practice of the three different plants is discussed in the lightof the present calculations.

在本文中,作者研究了我国三个炼铁厂的渣、铁分析数据,发现锰、硫在渣、铁间的分配可能接近平衡,与文献报导相符。根据作者在以前导出的高炉渣内CaO,MnO与CaS的活度或活度系数,初步计算了锰-硫平衡常数与碱度、渣内硫量间的关系,并复算了温度对此常数的影响。最后,根据本文研究结果,对高炉操作作了一些讨论。

The first step in caprolactam polymerization is an addition polymerization. The authors have studied the initiative influence of various substances on the polymerization and obtained the following results. The initiators of the free radical type, such as benzoyl peroxide and hydrogen peroxide together with their redox systems, all exerted no effect on caprolactam. While carboxylic acids gave only weak initiative effect in absence of water and amines gave no action, the mixtures of acids and amines and of acids...

The first step in caprolactam polymerization is an addition polymerization. The authors have studied the initiative influence of various substances on the polymerization and obtained the following results. The initiators of the free radical type, such as benzoyl peroxide and hydrogen peroxide together with their redox systems, all exerted no effect on caprolactam. While carboxylic acids gave only weak initiative effect in absence of water and amines gave no action, the mixtures of acids and amines and of acids and water initiated the polymerization rapidly. Amino-acids of various types also gave rapid initiation. 6-Benzoyl-amino-caproic acid was found to be far inferior in the initiative activity than benzoic acid. Trimethylphenyl ammonium iodide did not initiate the polymerization, and attempt to polymerize N-methyl caprolactam gave negative results.From these facts, the polymerization of caprolactam is clearly neither of free radical nor of step-wise addition mechanism. The authors suggest that the initiation is exerted by both the cation and anion of the initiator. These ions activate the amide grouping by a proton transfer mechanism, which causes caprolactam to polarize in the type of a zwitter-ion and thereafter polymerization proceeds.

己內醯胺聚合的最初階段為加成聚合。作者研究若干種化合物,試驗它們對己內醯胺聚合的引發作用。結果,自由基型的引發劑如過氧化苯甲醯,過氧化氫和它們的氧化還原體系,均不能引發己內醯胺的聚合。羧酸在無水存在時其引發作用甚弱。胺類則缺乏引發效應。但羧酸与胺同時存在時能迅速的引起己內醯胺的聚合。氨基酸不論何種類型均有迅速的引發作用。苯甲醯胺基己酸的引發作用遠較苯甲酸為差。碘化三甲基苯基銨(季銨鹽)不能引發己內醯胺的聚合,而N-甲基己內醯胺也不能用這些引發劑引起聚合。根據以上結果,己內醯胺聚合顯非自由基型的聚合,亦非引發劑与單體的逐步加成。作者建議引發劑的正負兩種離子都有影響。引發機構是由於氫原子的轉移,使己內醯胺發生雙離子式的極化,因而發生聚合。

Three types of Sb~Ⅲ reagents were studied.They are:(1)the compounds containing mer-

作者研究了三个类型的 Sb~Ⅲ“试剂:(1)含有酸性基的化合物,(2)所谓 Caille-viel 试剂,(3)含有两个邻位酚基的化合物。由结果得出,(1)和(2)两个类型的试剂的灵敏度不高,并且不能用变动结构式来提高灵敏度。第(3)类试剂,即含有两邻位酚基的化合物显然是最有希望的 Sb~Ⅲ试剂。它们的反应是相当灵敏的。作者制备了几类有色化合物,其中二羟基荧光黄和三羟基金色素是满意的 Sb~Ⅲ试剂。

 
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