Tumor cells often develop resistance to radiotherapy by fractionated radiation possibly due to the heterogeneity and hypoxia in tumor tissue.However,the mechani
Epidermal growth factor receptor (EGFR) plays a critical role in proliferation, apoptosis, angiogenesis, invasiveness and distant metastasis of tumors. In this
<正>The neutron response function and detection efficiency of a spherical proton recoil proportional counter (SP) play key roles in precise measurement of neutr
Technetium-99m-labeled-5-{2-sulfanylethyl-[2-(2-sulfanylethylamino)acetyl]amino}-methyl-2′-deoxy- uridine (99mTc-ANMdU) was reported. The precursor ANMdU was s
本文以水曲柳落叶松混交林、水曲柳人工林和落叶松人工林为对象，研究比较了三种林型的林下植物多样性。
腾讯科学讯（悠悠／编译）据英国每日邮报报道，一种新型“教学手套”可以下栽著名网球球星的动作，教授人们如何模仿练习，有助成为未来的温布尔顿网球明星。
用微波消解-重铬酸钾法检测危险废物填埋场渗滤液,在选定的检测条件下,本方法的重现性极佳（相对标准偏差0.35%）,加标回收率为95.67%~100.08%。
图像监控技术及其在电力系统中的应用正逐步发展,针对这项技术在无人值班变电站和应用特点进行了分析,介绍了在图像监控系统,视频监控,视频编解码,图像分割,视频监控等主要部分组成,信息处理,传输和外围系统的访问和其他相关手段作一比较,根据工程设计与施工的实践经验,指出存在的问题,应注意的问题。
In this work we describe a multi-parameter data acquisition system(DAQ)which has been developed for the Shanghai EBIT.This system is operated at the collision r
建立摇瓶法测定Meso-1,2,3,4-四氯丁烷的正辛醇/水分配系数分析方法。正辛醇中Meso-1,2,3,4-四氯丁烷含量采用气相色谱法直接测定,水相中Meso-1,2,3,4-四氯丁烷含量采用三氯