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The heavy elements in the theory of spontaneous metamorphosis immediate sensation around the world ;(4) is proposed to estimate the Earth's radiation age;(5) from the charge-mass ratio α which is derived helium ions;(6) from the scattering of α Bighorn recognized atomic mass concentrated in a radius of 10-12 meters in the nuclear, on positively charged core surrounded by negatively charged electrons;(7) with natural α-particles from the nitrogen nuclei in the outgoing protons, this is the first time human beings to change the chemical elements of artificial nuclear reactions;(8) predicted that heavy hydrogen and neutron sub-existence .

这一重元素自发蜕变理论立即轰动全世界;(4)提出用放射性估算地球年龄;(5)从α的荷质比得出它是氦离子;(6)从α大角散射认识到原子质量集中在半径为10-12米的核上,核带正电,周围是带负电的电子;(7)用天然α粒子从氮原子核中打出质子,这是人类第一次实现改变化学元素的人工核反应;(8)预言重氢子和中子存在。

After analyzing the difference of orbit electron distribution, valence electron number, atomic radius between impurity M and Cu, we clarify that the unusual low temperature property of heavy electron system CeCu〓M〓 not only come from the"size effect"of impurity, the magnetism, valence electron number of impurity also play an important role.

各杂质掺杂对CeCu〓低温性质的影响是由杂质自身性质所决定的,通过分析不同杂质的轨道电子分布、价电子数目、原子半径与Cu原子的区别,结合实验结果,证明重电子系统CeCu〓M〓的低温性质不但与杂质的尺寸效应有关,而且杂质的磁性、价电子数也起重要的作用。

Transition metal coordinate polymer researchHas summarized the transition metallic element chemical fundamentals, including the atomic radius, the physical property, the chemical activity and the stable oxidation state change rule, forms the preparation the tendency.

过渡金属配位聚合物研究概况简述了过渡金属元素化学基础,包括原子半径,物理性质,化学活性及稳定氧化态变化规律,形成配合物的倾向。

Furthermore, the metallic glass samples are prepared by vacuum injection method and the rationality of above-mentioned relationships and RBF models is directly verified. It is shown that there are extremum phenomena between the Rc andΔd ,Δe and v respectively. However, the positions of the extremum are different from different alloy systems and the extremum phenomena may be related to the optimum composition region and the optimum additive quantity. More elements in the alloy are in favor of the improvement of the GFA. And as for the high GFA alloy, the atomic percentage, atomic radius difference and atomic electronegativity difference are harmoniously matched.

d、Δe和v与临界冷却速度Rc的关系中都出现极值现象,对于不同的合金体系,极值出现的位置不同;金属玻璃的最优成分范围以及各种添加元素的最佳添加量行为,可能与此极值现象相关;合金中包含的组元数目多有利于提高其玻璃形成能力,玻璃形成能力强的合金,其各个组元的原子百分含量、组元原子半径差及其电负性差之间的搭配是很和谐的;融合建模的合金系之间包含的主要组元数量和种类越相近,所建立的模型的可靠程度越高,其预测结果与实测结果越吻合。

Based on the effects of atomic radius on the Curie temperature, new bismuth layer-structured piezoelectric ceramics Ca〓〓Bi〓Ti〓O〓 with high Curie temperatures and piezoelectric activities were obtained by A-site substitution for Ca.

本论文从取代原子半径对居里温度的影响入手,利用碱金属原子Li,Na,K和Ce原子复合取代层数m=4的铋层状铁电体CaBi〓Ti〓O〓中位于A位的Ca原子,在保持材料高居里温度的前提下获得了压电系数d〓明显改善的铋层状结构压电陶瓷。

The results indicate that the effect of alloying elements V and Cr on mechanical properties at room-temperature, creep behavior and microstructures are similar. With increasing contents of V and Cr, their mechanical properties produce little change, the creep resistant property decreases and microstructure grows, which is mainly due to their characteristics of β-stability element and smaller atomic radius compared with Ti. On the contrary, the effects of V and Cr on the thermal stability are quite different. With increasing V content or decreasing Cr content the thermal stability for the alloy becomes better, which may be due to the different solution characteristics of V and Cr element in titanium alloy that V belongs to isomorphous β-stability element and Cr belongs to eutectoid β-stability element.

结果表明:合金元素V和Cr对Ti40合金室温力学性能、蠕变行为和组织的影响具有相似性,即随V和Cr含量的降低,合金室温综合力学性能变化不明显、抗蠕变能力减弱、组织粗化:这与V和Cr同属于β稳定元素、且原子半径都小于Ti原子有关;而V和Cr对于热稳定性能的影响则完全相反,V含量的增加或Cr含量的降低含金热稳定性能优化,其主要原因可能与V属于同品型β稳定元素而Cr属于共析型β稳定元素有关。

All the compositions satisfy the same electron concentration $e/a$=1.5 and average atomic radius 0.1496 nm as those of the Zr$_{60}$Al$_{20}$Ni$_{20}$ bulk metallic glasses.

根据等电子浓度和等原子尺寸判据设计了四种Zr--Ti--Al--Ni系合金,并用激光诱导燃烧合成的方法制备了材料。

Since the atomic radius of cerium or yttrium is at the border between the Th〓Ni〓-type and the rhombohedral Th〓Zn〓type structure, the influence of different annealing temperatures on the crystal structure of Ce〓Co〓 and Y〓Co〓 compound was clarified.

测量并获得了这些化合物的晶体结构类型、点阵常数、晶胞体积、居里温度、在5K和300K时化合物的饱和磁化强度和每个Co原子的平均磁矩、各向异性场、各向异性常数、自旋重取向温度以及补偿温度等,并获得了相应化合物的磁相图。

The chelate structure was examined by AFM scaning, single strand structure at AFM gram is Ala-Gln, two combined single strand is Ala-Gln-Zn~(2+), and atomic radius of Ala-Gln-Zn~(2+)'s conjunctive atom is about 0.24 to 0.25nm, which is near to Zn~(2+), so the conjunction atom is Zn~(2+). Thus the coordination reaction and the molar ratio 2:1 is proved again.

原子力显微扫描指出,大量出现的单一弯曲链状结构是Ala-Gln分子,而两两组合连接的链状结构,则是Ala-Gln-Zn~(2+)螯合物,且连接两个链状结构、半径约为0.25nm的中心原子是Zn~(2+),证明Ala-Gln与Zn~(2+)形成配位比为2:1稳定螯合物。

The pure spring water in heart is very clear, my dream starts to catch the village land, plants, a few brick base, and radius of a few fields. Can't forget picking Atriplex on the tree, Can't forget the sludge playing around the small pond. Can't forget mother's long call when standing at the entrance of the village ...

心中的泉水很纯很清,梦又开始付诸乡村那片土地,一草一木,几垒青砖,一夜柴扉,方圆田地数里,忘不了上树摘榆钱,忘不了村后小河塘的嬉戏,忘不了母亲站在村口有长的呼唤。。。

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