能量色散的X 射线散射(EDXRS)技术是一种识别液体种类的有效方法。实验用毛细管X 光半透镜代替狭缝，用能量色散的X 射线散射技术进......

Molecular oxygen (O2) is essential to human beings on the earth.Although elemental oxygen is rather abundant,O2 is rare ......

Here we present the study on chemical properties of massive star forming clumps using N2H+(1-0),H13CO+(1-0),HCN(1-0) and......

Astrochemistry has made great progress in recent years.Especially the grain surface chemistry played important roles in ......

We present simultaneous observations of 12CO, 13CO and C180 J=1-0emission in 11 nearby (cz＜1000 km s-1) bright infrared g......

BACKGROUND:Experimental and clinical observations show that proinflammatory cytokines and oxidative stress are involved ......

采用光子晶体技术和分子印迹技术结合的方法,以双酚A为模板分子、甲醇为溶剂、甲基丙烯酸和丙烯酰胺为单体、乙二醇二甲基丙烯酸甲......

MP2 method and different functionals such as M06-HF, M06-2X, CAM-B3LYP, PBE0, B3LYP and M06L incorporatingdifferent XC a......

在分子水平上研究生物化学中的有机化学反应，总结出几条规律；反应常常是发生在某个或几个原子上；发生在反应物分子的活性部位；有时伴随......

学生对于科学概念的认识被称为学生的心智模型.本研究探讨了学生关于原子、分子2个概念的心智模型.研究采用半结构的访谈法,访谈对......

在金衬底上制备了分子沉积膜.用原子力显微镜研究了它的摩擦力,结果表明沉积膜能明显地减小摩擦力.用纳米压痕仪研究它的纳米力学......

对无剪切湍流混合层中被动标量的扩散进行了直接数值模拟.结合烟粒子扩散风洞实验研究了不同Sc数对被动标量扩散的影响.DNS中被动......

The n-power two-parameter universal equation for rotational spectra which we deduced recently is appliedto the descripti......

目的：探讨五虎汤对婴幼儿哮喘外周血树突状细胞(DC)表面协同刺激分子CD1a、CD40、HLA-DR的表达的影响,为进一步阐明五虎汤治疗小儿......