[Current status and research advances of high-temperature hazards in rice].

High temperature stress occurs frequently in rice due to global warming. High-temperature hazard during the booting-flowering and grain-filling stages is one of the major factors limiting rice yield and quality. Here, we summarized the occurrence characteristics (identification, classification, region, and time) of high-temperature hazards, and the effects of high temperature on rice growth and development, including physiology, grain yield, and grain quality.

[Spatial-temporal characteristics of thermal resources and its influence on the growth of double cropping rice in the middle and lower reaches of the Yangtze River,China.].

The spatial-temporal characteristics of thermal resources are the main factor controlling the spatial distribution patterns of double cropping rice. Based on daily average temperature data collected from 240 weather stations in Hunan, Jiangxi and Hubei provinces, our study analyzed the change characteristics of thermal resources during thermal growth period and safe growth period of double cropping rice in the middle and lower reaches of the Yangtze River. Furthermore, we quantified the change trends of spatial pattern for the rice cropping systems with different rice varieties and the northern limit of double cropping rice.

[Comparison of HbA1c and oral glucose tolerance test for diagnosing diabetes].

Objective: To compare the performance of glycated hemoglobin (HbA1c) and oral glucose tolerance test (OGTT) in diagnosing diabetes and pre-diabetes in the general population.

Methods: A total of 1416 subjects from Nanchang, Jiangxi Province and Wuhan, Hubei Province who have participated the 2010 Chinese Nutrition and Health Survey were studied and their HbA1c were measured. The glycemic levels and distribution of the subjects diagnosed with diabetes and pre-diabetes by OGTT and HbA1c were compared.