Substitution相关论文
The Study of the Behaviors of Zinc and Strontium in Caries-Affected Teeth by Laser-Induced Breakdown
...
In recent years, Galium aparine L. has not been controlled by tribenuron-methyl in major Chinese winter wheat fields. Th......
Single-phase La_(2–x)Nd_xMo_2O_9(0≤x≤1.8) compounds were prepared using solid-state reaction technique. Their structu......
On the basis of the field exploration of the Yuchisi Site, we analyzed the biomarkers of the paleocivilization sediment ......
Chromosomal Location of the Genes Associated with Photosynthesis of Lophopyrum elongatum (Host) A. L
Researches on the relationship between photosynthesis and wheat yield have equally attracted the attention of both domes......
In order to improve electrochemical properties,especially cycling stability,Co was partially substituted by Fe in A2B7-t......
This article proposes an enhanced differential fault analysis(DFA) method named as fault-propagation pattern-based DFA(F......
Euphemism is the substitution of a mild, indirect or vague expression for one thought to be offensive, harsh or blunt. T......
将概率神经网络建模方法与预测思想相结合用于热轧轧制节奏评价,研究并建立了基于PNN神经网络的热轧轧制节奏评价模型。基于涟钢2 ......
Zn2+ - or Ti4+ -substituted cordierites with the nominal compositions of Mg1.6 Zn0.4 Al4 Si5 O18 and Mg1.8 Ti0.2 Al4.4 S......
Effects of Sr2+substitution on the structural, dielectric, and piezoelectric properties of PZT-PMN c
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
Chromosomal Location of the Genes Associated with Photosynthesis of Lophopyrum elongatum (Host) A. L
该文从挂篮荷载计算、施工流程、支座及临时固结施工、挂篮安装及试验、合拢段施工、模板制作安装、钢筋安装、混凝土的浇筑及养生......
The effect of Al and Cr elements on the oxidation resistance of MoSi2 via first-principles calculati
The properties of structure,energy and oxidation resistance of interstitial and substitutable MoSi2 systems have been in......
Cohesion has often been neglected in language teaching, where sentences have been created, manipulated, and assessed in ......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Syntheses of novel series benzo [1,5] oxazepin-4-one-based compounds from 1,5-difluoro-2,4-dinitrobe
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
提出一种检测识别空域最末位、DCT域系数和小波域系数最不重要位信息隐藏的方法.针对在空域和频域系数中最末位的信息替换,结合直......
Microscopic phase-field simulation of Cr atom substitution character during formation of Ll2 and DO2
The simulations of Cr atom substitution character during the formation of Ll2 and DO22 phases in Ni-Cr-Al alloy were per......
Effects of Pd substitution for Ni on corrosion performances of Mg0.9Ti0.1Ni1-xPdx hydrogen storage a
The Mg0.9Ti0.1Ni1-xPdx (x= 0,0.05, 0.1, 0.15) hydrogen storage electrode alloys were prepared by mechanical alloying. Th......
Influences of stoichiometric ratio B/A on structures and electrochemical behaviors of La0.75Mg0.25Ni
In order to investigate the influences of the stoichiometric ratio of B/A (A: gross A-site elements, B: gross B-site ele......
Zr substitution for Ti was investigated to modify the dielectric properties of Ba6-3xLaa+2xTi18O54(x=2/3)ceramics.A sing......
Na-doped Li1.05Mn2O4 cathodes were synthesized using a sol-gel process. The samples were characterized by X-ray diffract......
A series of cadmium-calcium hydroxyapatite solid solutions was prepared by an aqueous precipitation method. By various m......
The effect of Li and Mn substitution on the dielectric, ferroelectric and piezoelectric properties of lead free K0.5Na0.......
Effect of stoichiometry and Cu-substitution on the phase structure and hydrogen storage properties o
To improve the electrochemical properties of rare-earth–Mg–Ni-based hydrogen storage alloys, the effects of stoichiome......
Magnetic properties of La-Zn substituted Sr-hexaferrites by self-propagation high-temperature synthe
The La-Zn substituted SrM-type ferrites with the composition of Sr1-xLaxFe12-xZnxO19 (x=0-0.4) were prepared by self-pro......
Effects of Sr2+substitution on the structural, dielectric, and piezoelectric properties of PZT-PMN c
This study described the structural, dielectric, and piezoelectric behavior of Pb1-xSrx[(Zr0.52Ti0.48)0.95(Mn1/3Nb2/3)0.......
作为语法衔接手段的替代存在于英汉两种语言中.基于韩礼德的衔接理论,以及其英译本为例,对比英汉语中替代的异同,可以促进两种语言......
Syntheses of novel series benzo [1,5] oxazepin-4-one-based compounds from 1,5-difluoro-2,4-dinitrobe
A novel benzo [1,5] oxazepin-4-one skeleton compound and its four derivatives were synthesized effectively from 1,5-difl......
Rare earth iron garnets R3Fe5-xMnxO12(R=Pr,Nd,Sm,Eu) were prepared through mild hydrothermal method.The initial alkalini......
The essay is to study the influences of the negative transfer in oral performance on Chinese EFL learners. After the tra......
In the experiment, the nature cassava starch reacted with 1,2-epoxypropane and sodium trimetaphosphate under basic condi......
文章结合装备电子元器件国产化替代问题,探讨电子元器件的国产化替代建议,旨在为国产新研电子元器件应用体系发展建言献策。......
家庭社会资本和学校质量是影响家庭社会经济地位处境不利学生能否转化为抗逆学生的核心要素,二者如何发挥联合作用值得探究。文章......
本研究分别以豆油和磷酸二氢钙平衡饲料总油脂和总磷水平，以血球蛋白粉和鱼粉交叉组合平衡总氮水平，在等氮等油脂等磷条件下研究血球......
研究了Y3+取代对(B1.5-xYxZn0.5)(Ti1.5Nb0.5)O7(0≤x≤1.5,BYZNT)陶瓷结构和介电性能的影响.结果表明:未用Y3+取代的BZNT陶瓷,其......
采用中国英语学习者写作语料库CLEC和英语本族语者在线书面语语料库LOB进行对比研究,分析中国英语学习者和本族语者在英语写作中替......
受文献[1]的启发,通过作变换及变上限积分的求导法测,对几类以积分微分方程形式给出的待求函数的问题作了深入研究,给出了它们可解......
采用传统固相反应法制备（16-x）CaO—xMgO-9Li2O-12Sm2O3-63TiO2（1≤x≤16，简写为CMLST—x）陶瓷，用X-射线衍射（XRD）和扫描电镜研究其晶体结......
采用传统的固相反应法制备了（Bi1.5-xYxZn0.5）（Zn0.5Nb1.5）O7（BYZN，0≤x≤0．2mol）陶瓷，借助XRD、SEM和Agilent4284A测试仪，研究了A位替代对OL......
非政府组织在行政管理学上有较多的研究,在行政法学上却少有论述,随着政治体制改革的深化,许多管理职能将由政府部门交由非政府组......
基于第一性原理和热力学统计原理计算了单个Fe2＋替代羟基磷灰石晶胞中Ca2＋后晶体（Ca_9Fe（PO_4）_6（OH）_2）的电子结构和能够说明替代后结构稳......
文通过分析一例翻译个案,指出英汉两种语言对译的过程中,对于重复、省略、替代等现象的处理差异,并探讨其形成原因及其于翻译实践......
研究农业科技同土地、劳动力等生产要素的关系,提出我国近期需要发展的是能够提高土地产出率、产品质量和劳动力均衡利用率的农业......
