Based on the investigation in the village of Wujiazhuang in Taigu county in Shanxi, the study focuses on the relationship between both of the economic growth and the decision pattern of the farmer's household and the life cycle.
Results The results showed that the rates of iodized salt at household levels were 49.2% in 1995,84.0% in 1997,87.1% in 1999 and 93.0% in 2002,with the median of iodized salt content was 0,23.3,28.6 and 29.0(mg/kg),correspondingly.
Results The median of iodized salt in household consuming was 34.9 mg/kg, the rate of qualified iodized salt was 87.2%, variation coefficient of iodized salt was 26.8%, the proportion of high concentrate iodine salt (> 60 mg/kg or >50 mg/kg) was significantly lower than the third surveillance.
The methods for obtaining microbiological transformation products of household, agricultural, and industrial waste and their characteristics are analyzed.
in a Series of Generations under the Influence of Household Sewage
Seven generations of Ceriodaphnia affinis were kept in water of a household sewer.
The effect of sodium dodecyl sulfate (SDS) and the household synthetic detergents (HSDs) Kristall and Tix (0.1, 1, and 10 mg/l) on cell motility, cell number dynamics, and the growth rate of the alga Plagioselmis prolonga (Cryptophyta) is studied.
Degassing of water by means of a household filament lamp