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浓度     
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  concentration
    Study on Transient Molecules Containing Phosphorus and/or Chlorine by Velocity/Concentration Modulation Spectroscopy
    含氯和磷的瞬态分子的速度/浓度调制光谱研究
短句来源
    DETERMINATION OF THORIUM CONCENTRATION IN TBP KEROSENE SYSTEM BY ULTRASONIC METHOD
    超声波声速法测定TBP-煤油中钍浓度
短句来源
    A Rare Earth-Noble Metal Microcalorimeter and its Application in Monitoring Concentration of Ethylene in the Air
    稀土—贵金属催化微卡计及其在监测空气中乙烯浓度上的应用
短句来源
    THE DETERMINATION OF NITROGEN IN LOW CONCENTRATION
    低浓度氮的测定
短句来源
    DETERMINATION OF ACTIVE-CENTER CONCENTRATION AND KINETIC STUDIES OF SOME NEODYMIUM CATALYSTS IN THE POLYMERIZATION OF BUTADIENE Ⅰ. INFLUENCE OF POLYMERIZATION CONDITIONS ON THE NUMBER OF ACTIVE CENTERS
    丁二烯在某些钕催化剂体系中聚合活性中心数的测定和动力学的研究 Ⅰ.聚合条件对活性中心浓度的影响
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  density
    Substance and Limitation of the Law of Hume-Rothery Electronic Density
    Hume-Rothery电子浓度定律的实质与局限性
短句来源
    The Measurement of Methane Density by Means of He Ne Laser Differential Absorption
    He—Ne激光差分吸收测量甲烷浓度
短句来源
    Influence of Sulfuric Acicl Density in Medium on NO_3~- Qxidation-Reduction Mechanism
    介质中硫酸浓度对NO_3~-氧化—还原机理的影响
短句来源
    The Cu/SnO2+Bi2O3/SeO2-V2O5 compound electrode is prepared using the electrodeposit and heat treatment method, and is used in the oxidation reaction of myrtenal and α-pinene to probe into the influence of density of electric current, reaction temperature, reaction time,concentration of KOH on the electrochemistry reaction of myrtenal.
    用电沉积和热处理方法制备Cu/SnO2+Bi2O3/SeO2-V2O5复合电极,将该电极应用到α-蒎烯氧化合成桃金酿烯醛的反应中,探讨电流密度,反应温度,反应时间和KOH浓度对电化学合成桃金酿烯醛的影响。
短句来源
    The favourable conditions for synthesizing myrtenal are 90mA/cm of electric current density,50℃ of temperature, 3.5h of reaction time and 1mol/L of KOH.
    合成桃金娘烯醛的最佳合成反应条件为电流密度90mA/cm2,温度50℃,反应时间3.5h和KOH浓度1mol/L。
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  content
    Study of Molecule-Ion Composition in SO_3-HNO_3 and HNO_3-H_2S_2O_7 Solution and Determination of NO_2~+ Content by Laser-Raman Spectroscopy
    用激光拉曼光谱研究SO_3-HNO_3和HNO_3-H_2S_2O_7溶液的分子-离子组成及测定NO_2~+的浓度
短句来源
    Effect of Content of Hard Segment on Structures and Properties of RIM Crossl inking Polyurethanes
    硬链段浓度对RIM交联聚氨酯结构和性能的影响
短句来源
    And the adsorption content is optimal when the temperature is 30℃,pH=2.65,adsorption time is 6 h and initial concentration is 120 mg/L.
    对酚的最佳吸附条件是:温度为30℃,pH=2.65,吸附时间为6 h,酚的初始质量浓度为120 mg/L。
短句来源
    The effects of Tb3+ content on luminescent spectra were studied for both the nano and bulk Y2O2S systems.
    讨论了纳米材料和体相材料Y2O2S:Tb3+中Tb3+的掺杂浓度对荧光性能的影响.
短句来源
    It was showed that photocatalytic reduction of Hg2+ by TiO2 had a remarkable effect on low concentrations of mercury and the reduction rate was over 90%. The method could dramatically reduced the content of toxic Hg(Ⅱ) in industrial waste water samples.
    结果表明:纳米TiO2对低浓度Hg2+溶液光催化还原效果显著,还原率可达90%以上,并且可以大幅降低工业废水中Hg(Ⅱ)的浓度.
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  consistency
    Research on Forecast and Control Mathematic Model of Chemical Model of Chemical Reaction Resultant Consistency
    化学反应生成物浓度预测、控制数学模型的研究
短句来源
    4 The preferred initiator consistency was 6.0×10-3mol/L. The homopolymer in the product was increased if the initiator consistency was over 6.0×10-3mol/L.
    4 最佳引发剂浓度为6.0×10-3mol/L,以此浓度的过硫酸铵引发接枝效果好,引发剂浓度过高,产物中的均聚物增加。
短句来源
    It was preferable that the emulsifying agent consistency was 0.0208mol/L.
    乳化剂十二烷基硫酸钠的浓度控制在0.0208mol. L-1左右较为合适。
短句来源
    the effects on cross-lined PVAm concentration were studied ,the best condition of Hofmann degradation, the consistency of NaOH is 12 mol/L, the rising degradating level is with droping the cross-linking level, such as the cross-linking level is 10%,the degradating level is 42.8%; the cross-linking level is 0.5%,the degradating level is 80.4%.
    研究了不同实验条件对交联聚乙烯胺降解率的影响,得到了由Hofmann 降解法制备交联聚乙烯胺的最佳条件是:氢氧化钠溶液的浓度为12mol/L,且交联度越低,降解率越高(交联度为10%时,降解率为42.8%;交联度为0.5%时,降解率达80.4%)。
短句来源
    By means of experiment, the anneal temperature, the consistency of Eu~(2+) and Dy~(3+) and the adding quantity of the flux H3BO3 were ascertained.
    通过实验确定了对合成温度、激活剂离子Eu~(2+)及辅助激活剂Dy~(3+)离子浓度、H_3BO_3添加量等基本工艺参数。
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  concentration
More generally, these results apply both to Gabor frames and to systems of Gabor molecules, whose elements share only a common envelope of concentration in the time-frequency plane.
      
aureus in lower concentration of chloroform extract.
      
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.
      
None of the synthesized compounds appear to be more potent than 1 at a concentration of 10 μM.
      
Only two of the evaluated compounds (2 and 8) appeared to be allosteric enhancers at high concentration (10 μM).
      
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  density
One outcome is a simple proof that for $g_{m \alpha , n \beta}$ to span $L^2,$ the lattice $(m \alpha , n \beta )$ must have at least unit density.
      
Applications of generalized perron trees to maximal functions and density bases
      
Convergence and summability of Gabor expansions at the Nyquist density
      
It is well known that Gabor expansions generated by a lattice of Nyquist density are numerically unstable, in the sense that they do not constitute frame decompositions.
      
In 1994, Kotz, Ostrovskii and Hayfavi [10] carried out a detailed investigation of analytic and asymptotic properties of the density of the distribution for the symmetric case θ=0.
      
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  content
Most of the compounds increase the cAMP content of CHO cells expressing the human A1-adenosine receptor, indicating an antagonist activity.
      
Results obtained both by molecular mechanics and semiempirical methods indicate that for ameltolide, the cis and trans forms have similar energy content.
      
The influence of methanol content, pH value, ion types, and ionic strength of mobile phase are studied in detail.
      
The surface concentration of 3,5-dinitrobenzoyl ligand is 2.082 μmol m-2, according to the carbon content of elemental analysis.
      
The content of the volatile components in blue ballpoint pen ink were determined by gas chromatography (GC).
      
更多          
  consistency
Consistency of MLE of the parameter of exponential lifetime distribution for random censoring model with incomplete information
      
On the uniform consistency of the kaplan-meier estimator under heavy censoring
      
In this paper we study the uniform consistency of the Kaplan-Meier estimator under the case τF = sup(t:F(t)>amp;lt; 1) >amp;gt; τG = sup (t1G(t) >amp;lt; 1).
      
The properties of the new estimator including consistency, asymptotic normality and robustness are discussed.
      
Their consistency error are O(h2), one order higher than the usual 12 parameter rectangular plate elements.
      
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