Based on the analysis of a mass of datasets extracted from published papers, we studied the statistical feature of the percentage of soil fertility contribution(PSFC)to grain crop yield and established the quantitative relationship of PSFC against soil properties and geographical locations in mainland China.

A geographical location-based scheme to detect Sybil attacks was proposed.

A geographical location based routing protocol is presented to augment TCP performance in high mobility wireless ad-hoc networks.

According to the complexity in site selection of airport,which involves wide range,in this paper from geographical position,clearance,environmental protection,property right and other aspects discussion and thoughts are made on the site selection of airport in order to realize reasonable selection of site to meet requirements of strategy and transportation.

First the geographical position mathematical model and exact calculation formula were built.

This paper presents a novel distributed MAC address assignment algorithm(Virtual Grid Spatial Reusing-VGSR) for wireless sensor networks,which reduces the size of the MAC address efficiently based on both the spatial reuse of MAC address and the mapping of the geographical position.

Dual channel power controlled backoff based on geographic location in Ad Hoc networks;

Ecological study of Ostracoda in large-scale range in near seas of China V. Seasonal difference of geographic location on community habitat of Ostracoda;

Analysing the influences of glass type and geographic location.

This article depends on the previous research result,think that the pleasantly cool climate,excellent location,Specific historical conditions and Western propaganda were the major.

Qu Yuan meets Fisherman in Canglang River, but where is on earth? Now there are two types of saying: One is that Canglang River is near Chu City in the lower reaches of Han River; the other is that Canglang River locates Hanshou yard in the downstream of Yuanjiang River, which triggered a controversy of Canglang location.

Addionally,the research was made on the location and construction time of Tian-ju temple,on the problem of one temple with two names of Guang-guo and Nan-hua.

The basic law of the provenance of Chinese fir on geographic position was first studied by the artificial neural network in this paper.

The characteristics of Rongchen local dialect were decided by its special geographic position and relative mode of production.

On the basis of the research findings by both foreign and Chinese specialists,the thesis makes some study of the causes of the lethargy of the historical development in the East and the acceleration in the West since the beginning of the modern times by way of geographic position,production technology,economic structure and economic policy.