1, etiology and related diseases Old age OP and age, gender, 65 years old, female older OP happening hazardous. The influence of gender on the amount of bone is mainly related to hormones. In the...

Ecological Pyramid puts the number, biomass or energy of each nutrient-level organism in the ecosystem, in order of nutrient-level, and draws a picture, its shape is like a pyramid, referred to as a...

Idioms, "Mencius," Mencius ":" The suffering of people is good. " idiom Picture; predicate, attributive, object; Mao Zedong "New Democratic Theory" 1: "The attitude of science is 'truth from f...

Purpose Tag File Type The extension is almost a portion of each file. If a file has no extension, then the operating system cannot process this file, and the method of processing the file cann...

Details set up to open up in 1896. The area is 414 mu 6 points 5%. Located between the Hankou British Concession and the Hankou Rental. Remove from 1920 by China. In 1924, it was officially...

Research Course The basic principle of delta modulation is proposed in 1946, it is one of the simplest differential pulse code. Early language delta modulation encoder is composed of discrete comp...

definition proverb " There is nothing in life that is really free " has existed for many years. However, for the Internet, there is a surprise to you, called "shared software." It is free (or clos...

History Background Eastern Jin Dynasty, the war is not limited, after being suffered from Wang Gong, Sun Enzo, the chaos of the Xuan Xuan, Lu Cair, and therefore generated a series of warlords Aft...

Definition Overview The first pair is on the upper quark and the quark, and the upper quark is +2/3, and the charge of the quark is -1 / 3. They are particles corresponding to the electron with...

Introduction northern city of Spain, capital of the province of Asturias. Even suburb population 590,000 (2001). Located in the fertile plains surrounded by mountains. 757 AD created 810 years as...

article structure Description Articles founded in 1982, is director of Yunnan Provincial Environmental Protection Bureau, Yunnan Provincial Academy of Environmental Sciences, organized nationwid...

Wen Shi Political College is the first person in Xiao Yishan in Beiping in 1929. The full name is the "Peking Works and History and Political Science". Dean of Xiaoliang, hired a schoolmate Huang, a...

Climate This watershed is a subtropical season wind climate area. The total climate characteristics are: winter and summer monsoon alternate, moderate temperatures, clear four seasons, abundant ra...

Introduction "Principles of Human Knowledge" original book published in 1710. As long as the objective denied the existence of matter, it can be refuted materialism "definite displacement" the cor...

Definition Does not include income that cannot be used, belonging to lending nature or temporary quality, such as loan revenue, pre-purchase deposit, national investment, farmer investment, disast...

Build history In 1950, belongs to Yuhua Township. 1956, changed to Yuhua Ting Township. 1958 years to build Dongfeng commune. 1962, changed to Yuhua Ting commune. 1968, changed to Shaoshan...