摘要:
Edison was more interested in the sale of Kinetoscopes(for roughly $1,000 apiece)to these parlors than in the films that would be run in them (which c 阅读全文
摘要:
The extreme seriousness of desertification results from the vast areas of land and the tremendous numbers of people affected, as well as from the grea 阅读全文
摘要:
By 1800 more than a thousand steam engines were in use in the British Isles, and Britain retained a virtual monopoly on steam engine production until 阅读全文
摘要:
The source had long been known but not exploited. Early in the eighteenth century, a pump had come into use in which expanding steam raised a piston i 阅读全文
摘要:
In the face of the upcoming water supply crisis, a number of grandiose schemes have been developed to transport vast quantities of water by canal or p 阅读全文
摘要:
The vast grasslands of the High Plains in the central United States were settled by farmers and ranchers in the 1880s. This region has a semiarid clim 阅读全文
摘要:
Much of the world's great architecture has been constructed of stone because of its beauty, permanence, and availability. In the past, whole cities gr 阅读全文
摘要:
At the upper timberline the trees begin to become twisted and deformed. This is particularly true for trees in the middle and upper latitudes, which t 阅读全文
摘要:
Even development in architecture has been the result of major technological changes. Materials and methods of construction are integral parts of the d 阅读全文
摘要:
The upper timberline, like the snow line, is highest in the tropics and lowest in the Polar Regions. It ranges from sea level in the Polar Regions to 阅读全文
摘要:
科研论文写作 风格最好是excited,不要过于谦虚。 Reference不要过多引用自己的paper,可以多引用本刊物的paper。 Acknowledgement:感谢帮助input的人员,可以not a co-author,要考虑加入granting agencies、funding numb 阅读全文
摘要:
生物医疗大数据-DNA element functions and identification Genetic vs epigenetic GENETICS 遗传学 DNA Code: 64 triplets of nucleotides encode for 20 amino acids and 阅读全文
摘要:
广义线性模型 y是分类变量 Link function:将分类变量和数值变量放在一起 使用得到结果0 or 1的概率值来评估选0 or1 函数关系: 正比例函数: logistics函数S型曲线: Odds ratio反应事件发生的倾向性 logistics函数与probit regression 阅读全文