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激光是二十世纪最为重要的发现之一,它的出现推动了机械加工、医疗、航空航天、军事等方面的变革。但是通过激光材料获得的激光波......
Thermotolerant and fireproof gel polymer electrolyte toward high-performance and safe lithium-ion ba
Poly(ethylene oxide) (PEO) and its derivatives based gel polymer electrolytes (GPEs) are severely limited in advanced an......
Chalcone derivatives ameliorate lipopolysaccharide-induced acute lung injury and inflammation by tar
Acute lung injury(ALI)and its severe form acute respiratory distress syndrome(ARDS)are known as the common causes of res......
目的:探讨超声剪切波弹性成像与门静脉血流动力学参数对慢性肝炎肝纤维化的诊断价值。方法:收集2019年5月至2020年7月阜阳市第二人......
Effect of vertical overturning circulation scale and moist static energy tendency on MJO phase speed
本文通过对1979-2019年ERA-I再分析资料进行诊断分析,研究了MJO垂直环流(VOC)纬向尺度和湿静力能(MSE)趋势纬向不对称性对MJO传播......
国内某350 kA电解系列使用高Li、K氧化铝生产,Li、K在电解质中富集,形成了Na3 AlF6-Al2 O3-AlF3-CaF2-MgF2-LiF-KF电解质体系.随着......
目的 探究黄体酮联合地屈孕酮治疗黄体功能不足(luteal insufficiency,LI)性先兆流产的临床效果以及对激素水平的影响.方法 选择我......
Allelic variation in the coumarate 3-hydroxylase gene associated with wood properties of Catalpa far
Coumarate 3-hydroxylase(C3h)genes partici-pate in the synthesis of lignin and may affect the proper-ties of wood that ar......
本文探讨与平衡帆船设计有关的基本概念,考量如何通过这些概念来理解传统帆装设计、查看图纸与照片、研究帆装的基本要点,探究实现......
The Permian radiolarian zones and their correlations with conodont zones or other chronostratigraphic schemes are still ......
医疗和医保体系的良性互动对于推进医药卫生体制改革具有重要意义。由于两者之间关系的复杂性,很难使用单一的理论方法进行全面解释......
目的 通过电感耦合等离子体质谱(inductively coupled plasma mass spectrometry,ICP-MS)法建立加味左金丸中Cd、Pb、As、Hg、 Co......
Experimental simulation and numerical analysis of coal rnspontaneous combustion process at low tempe
The characteristic of coal spontaneous combustion includes oxidative p roperty and exothermic capacity. It can really si......
本文以ZnO为种子层采用sol-gel法制备了Li、Mg共掺的氧化锌薄膜.Sol-gel法具有设备简单、不需真空、操作简便、易进行大面积薄膜制......
In this decade,some novel inorganic scintillators for neutron detection have been reported.Among them,LiCaAlF6 based sci......
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利用高温固相法制备了一系列Li 、Bi3 掺杂Lu2O3∶Ho3 荧光粉体。研究结果表明,不同摩尔分数Li 、Bi3 与Ho3 的掺入不改变Lu2O3的立......
The Ca2SiO4:Dy3 phosphor was synthesized by the high temperature solid-state reaction method in air. The emission spect......
海hǎi獭tǎ,属shǔ于yú脊jí索suǒ动dònɡ物wù门mén哺bǔ乳rǔ纲ɡānɡ食shí肉ròu目mù海hǎi獭tǎ属shǔ(海hǎi獭tǎ属sh......
【Abstract】This paper mainly studies the IELTS, TOEFL IBT and Stanford English evaluation mechanisms, and their enlighten......
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【Abstract】Intercultural communication is considered to be a significant constituent in translation, an act of culture-......
【Abstract】Semantic prosody implies the speaker or writer’s stance and attitude towards certain entities or propositio......
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