质量分布
- 名mass distribution
![质量分布](../cache/941757.jpg)
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裂变谱中子诱发~(238)U裂变的质量分布
Mass distribution in fission spectrum neutron induced fission of ~ ( 238 ) u
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聚合物相对分子质量分布指数ID为50~80。
The relative molecular mass distribution index ( I D ) was 50 ~ 80 .
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利用B样条神经网络控制聚合物相对分子质量分布新方法
Control of molecular weight distribution of polymerization via B-spline neural networks
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千克级窄摩尔质量分布PS的合成及其表征
Synthesis and Characterization of Narrow Molecular Weight Distribution Polystyrene on Kilogram Scale
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投资银行声誉、IPO质量分布与发行制度创新
Investment Bank Reputation , IPO Quality and Innovations of the Offering System
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利用位势原理证明了:若有F上的具有有限α-能量的质量分布,则F的多重维数大于或等于α。
We prove that under the condition above theorem the multi-dimension is larger than or equal to α .
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凝胶渗透色谱法测定高黏度PET切片的分子质量分布
Determination the molecular mass distribution of high viscosity PET chip with gel permeation chromatography ( GPC ) method
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超大型FPSO原油质量分布模拟与水弹性响应研究
A Study on Oil-Mass Distribution Simulation and Hydroelastic Response of Very Large FPSO
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用三维非线性Langevin方程计算裂变碎片质量分布
Using 3-Dimension Non-Linear Langevin Equation To Calcuate the Mass Distribution of Fission Fragments
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采用葡聚糖凝胶G-25分子筛层析及SDS-PAGE对混合肽进行了相对分子质量分布范围的分析。
The range of molecular weight of soybean peptides was analysed by Sephdex G-25 and SDS-PAGE .
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文中研究基于径向基(RBF)神经网络算法的内模控制策略在苯乙烯本体聚合反应相对分子质量分布控制领域的应用。
A nonlinear internal model control ( IMC ) strategy based on radial basis function ( RBF ) network models was proposed for bulk polymerization of styrene .
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结果表明,G1和G2的相对分子质量分布指数为1.0081和1.0110,呈现很窄的相对分子质量分布;
The results show that G1 and G2 have narrow relative molecular weight distribution with 1.008 1 and 1.011 0 respectively ;
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超临界流体分级能方便地通过调节温度和压力对溶解度进行控制。获得相对分子质量分布较窄的PS级分;
PS fraction having relative narrow molecular distribution could be acquired conveniently through supercritical fluid fractionation , which was implemented by controlling solubility via adjustment of temperature and pressure .
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采用GPC、SEM法等研究了配方优化前后悬浮聚合聚氯乙烯树脂的相对分子质量分布和颗粒形态。
The molecular weight distribution and particle morphology of PVC resins were studied by GPC and SEM as well as their processing rheological property by HAAKE torque rheometer .
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相对分子质量分布结果表明,体系主要存在2肽到5肽的多肽类物质,HPLC图谱中对应峰面积约占总面积的76.99%。
The distribution of molecular weight measured by HPLC indicated that the peptides were mainly composed of 2-5 amino acid residues , and the corresponding peak area was 76.99 % on the total area .
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采用XPS和Ar~+离子刻蚀技术,研究了炭化过程中铁原子在煤和聚丙烯腈表面和体相间的质量分布规律。
The mass distrbution of iron atom between the surface and bulk of polyacrylonitrile and coal during their carbonization was studied by using XPS and Ar - ion etching techniques .
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用FT-IR、1H-NMR表征了其分子结构,测定了树脂产物的环氧值E和数均分子量及相对分子质量分布;
The structure of epoxy resins were characterized by FT IR and 1H NMR spectra . The epoxy value ( E ), molecular weight distributions of the resins were measured .
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研究表明,N个自由度弹性系统的地震输入能量可表示为N个弹性单自由度系统弹性输入能量的线性组合,组合系数与多自由度系统的振型和质量分布有关。
The research results indicate that input energy of elastic N degrees of freedom system can be expressed as a linear combination of N elastic SDOF systems . The coefficients depend on the distribution of mass and stiffness of MDOF system .
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分子质量分布对PTT非等温结晶行为的影响明显大于分子质量的影响。
The relative molecular weight distribution played a more remarkable effect on the non - isothermal crystallization behaviors of FIT than that of the relative molecular weight .
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掺杂MgCl2负载Z-N催化剂合成宽相对分子质量分布聚乙烯
Synthesis of polyethylene with broad molecular weight distribution by Ziegler-Natta catalysts supported on doped MgCl_2
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结论:UV光谱图、HPLC指纹图及蛋白质的分子质量分布可作为鉴别3种胶真伪优劣的依据。
CONCLUTION : UV spectrogram , HPLC fingerprint chromatogram and molecular weight distribution of protein can be recommended as a criterion for discerning the false from the genuine and the grade of the three kinds of Jiao .
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本文在核裂变统计理论基础上应用微观方法计算了~(235)U热中子裂变的质量分布、动能分布及其它物理量。
Based on the statistical fission theory , we have calculated the mass and kinetic energy distributions as well as other physical quantities of ~ ( 235 ) U fission induced by thermal neutron using microscopical method .
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最后导出关系式μ(V)≤1.9Vs,且利用质量分布原理得到了Koch曲线的Hausdorff测度的一个下界。
At last inequality μ( V )≤ 1.9 | V | ~ s is obtained . Using the mass distribution , a lower bound estimation about Hausdorff measure of Koch curve is derived .
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珠江源水中THMFP的分子质量分布及其特征研究
Study on the Molecular Weight Distribution of Trihalomethanes Precursors in Source Water of Pearl River
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结果表明,PBT的热性能和相对分子质量分布对可纺性影响不明显,而其端羧基含量影响显著。
The results showed that the thermal properties and relative molecular weight distribution had no evident effect on the spinnability of PBT when the content of terminal carboxyl group had a profound effect .
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比较了AlCl3和AlCl3/SbCl3复合体系的α-蒎烯/苯乙烯阳离子共聚反应及产物的摩尔质量分布。
The cationic copolymerization of α - pinene and styrene initiated by AlCl_3 alone and AlCl_3 / SbCl_3 compound catalyst respectively was investigated .
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测得活化能为82.81kJ/mol,比普通搅拌反应釜测得的值约高30%,连续管式反应器所得产品的相对分子质量分布相对较窄。
The activation energy obtained was 82.81 kJ / mol which was about 30 % higher than that obtained from stirring reactor . The molecular weight distribution of the product obtained from the continuous tubular reactor was relatively narrow .
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建立了一个放中子前裂变碎片质量分布5-Gauss半经验计算公式。
A 5-Gauss semi-empirical formula on the pre-neutron-emission fragment mass distribution is given .
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利用透射电镜和微孔滤膜超滤法研究了SE-I和PAC混凝剂的结构形貌和相对分子质量分布情况;
The morphology and the molecular weight distribution of inorganic polymer SE-I and PAC have been studied by means of transmission electron microscope ( TEM ) and ultrafiltration method .
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对含藻水及藻细胞破碎条件下水样中有机物的分子质量分布、吸光度(UV)、总有机碳(TOC)进行了研究。
Under the conditions of algae contained water and algae cell crush , a study was carried on the molecular weight ( MW ) distribution of organic matter , absorbance ( UV ) and total organic carbon ( TOC ) of the water sample .