【摘 要】
:
Fucoidan is a traditional Chinese medicine suggested to possess anti-tumor effects.In this study the anti-metastatic effects of fucoidan were investigated in vitro in human hepatocellular carcinoma(HC
【出 处】
:
Acta Pharmaceutica Sinica B
论文部分内容阅读
Fucoidan is a traditional Chinese medicine suggested to possess anti-tumor effects.In this study the anti-metastatic effects of fucoidan were investigated in vitro in human hepatocellular carcinoma(HCC) cells(Huh-7 and SNU-761) under normoxic and hypox
其他文献
雷电参数的分布情况与地域、大气条件等诸多因素相关,因此,全面深入地分析相关因素对雷电参数分布的影响十分必要。文中以广东省雷电定位系统数据为基础,基于Google Earth软件截取典型样本区域进行研究。将样本区域经过处理导入Arc Map中进行雷电参数的筛选分析,利用Arc Map的投影功能,按UTM标准进行投影,得出该区域的面积,由此求出落雷密度。通过对不同的地形、地域的雷电参数统计分析,得出山
伴随全球变暖和有卫星观测记录以来北极秋季海冰面积的下降,近几年,北美、欧洲及东亚地区经历了异常的冷冬。2015年1月,北美地区也遭受了严重的冷冬和暴雪事件。文中用NCEP再分析数据显示2015年1月气温的下降主要在北美地区,且降雪覆盖明显增加。此时位势高度场负异常明显,形成了从北极地区吹向北美大陆地区的寒流,携带了大量水汽。本文结果显示异常强劲的北风和减弱的西风急流,导致了极地寒流和湿空气容易入侵
Instead of conventional East Asian winter monsoon indices(EAWMIs), we simply use two large-scale teleconnection patterns to represent long-term variations in the EAWM. First, the Urals blocking patter
The dynamic response of two flexible model risers in tandem arrangement immersed in a stepped current was analyzed. The risers, with an external diameter of 20 mm and a total length of 6200 mm, had an
Thermochronological datasets for the Kyrgyz Tianshan and Siberian Altai-Sayan within Central Asia reveal a punctuated exhumation history during the Meso-Cenozoic.In this paper,the datasets for both re
在创业路上,年轻的王晨可以说是一名老前辈了。从大二开始创业,卖过奶茶、甜品,开过食品厂、连锁饼屋,到如今投资健康医疗产业,打造咖啡馆供应链……作为上海德礼实业发展有限公司董事长、正值而立之年的王晨获得了包括"上海市十佳创业新秀"在内的多项殊荣。不仅如此,王晨还以极大
In this article,we establish new and more general traveling wave solutions of space-time fractional Klein–Gordon equation with quadratic nonlinearity and the space-time fractional breaking soliton equ
洛必达法则是求0/0型和∞/∞型及其他未定式的一种很简便的方法。同济大学数学系主编的《高等数学》教材中只给出了定理一的证明,本文将补充证明洛必达法则的定理2和∞/∞型未定式。并结合应用此法则时出现的常见错误通过例题加以分析,让学生加深对法则的理解。
高空间分辨率遥感影像为地表变化监测提供了大量细节信息,这使得基于高分辨率影像的变化检测技术成为当前遥感领域的研究热点之一。本文提出了一种历史解译知识引导下组合遥感图谱特征的变化检测方法。首先,通过分割前后时相的组合影像构建空间位置一致的对象,并在提取对象光谱和纹理特征后,引入前期土地覆盖专题图指导2类图谱特征相似度的DS证据融合;然后,利用其历史存档图斑所属区域的优势地类标签指示不同特征相似度的证
Radiative transfer model simulations were used to investigate the erythemal ultraviolet(EUV) correction factors by separating the UV-A and UV-B spectral ranges. The correction factor was defined as th