目的:研究卵巢癌及乳腺癌细胞中hsa-miR-27a和hsa-miR-451的表达差异及其与耐药的关系。方法:用浓度递增法建立卵巢癌耐紫杉醇细胞系A2780/Taxol; Stem-loop real-time PCR
As a promising narrow-band phosphor,SrLiAI3N4 has a seemingly ultra-small total crystal-field splitting of only 2400 cm-1 with Ce3+as dopant ions.This paper is
很小的时候,爸爸经常出差,常常会带回一些色彩漂亮的门票。北京的故宫,桂林的山水,南京的中山陵以及云贵高原深处的梵净山,这些风景名胜最初都是我在那些门票中认识知道的。那时候生活中的色彩甚少,这些美丽的门票寄托了我全部的向往和憧憬。 后来长大了,我就开始有意识地收集各地的门票,无论自然风景还是人文古迹,也无论是名山大川还是偏远小景,我都不遗余力地收集珍藏。为了收藏门票,我不仅自己每次出差到外地,认真
Objectives: To explore a novel surgical management, the transvaginal hysterotomy combined with methotrexate (MTX) injection, in the treatment of cesarean sc
The mechanical properties of Al3X(X = Sc,Lu)were studied by density functional theory(DFT).The elastic constants and formation enthalpy indicate that the L12-Al
目的:探讨宫颈鳞状细胞癌(SCC)患者病灶中Zeste同源增强子2(EZH2)及P53蛋白的表达情况与其临床分期及预后的关系。方法:采用量子点荧光双重染色方法,检测168例宫颈鳞状细胞
Objective: To investigate prognostic factors for primary vaginal malignant melanoma.Methods: Clinical data for 31 patients that were treated for primary vag
近年来,北京又新增了许多百货商场、购物中心和商业街区。这些新开业的百货商场等与以往有哪些不同?服装经销商们该如何选择与自己品牌定位相符的那一个?他们的脚步最终又该
Considering the toxicity problem of lead-based perovskite quantum dots(PQDs),the lead-free Cs3Bi2Brg PQDs has been recognized as one of the promising candidates
介绍了媒体、多媒体和多媒体通信的概念,以及多媒通信的主要技术(多媒体计算机技术、多媒体信号处理技术和常用的图像压缩编码方法、多媒体同步技术、多媒体通信网络技术、支持