Rural distance education can transport information technology and digital resources to countryside,improve the quality of rural foundational education,expand the scale of rural professional education and adult education,and bring a good opportunity for the construction of study countryside.
We should construct the countryside basic-level Party Organization from the political aspect, the organization aspect, the work style aspect as well as the system construction, so as to serve the socialism new rural construction well.
In this century, China started facing five major challenges in the energy field: energy supply, shortage of liquid fuel, environmental pollution, green house gas (GHG) emission, and energy supply in rural areas.
Role of rural solid waste management in non-point source pollution control of Dianchi Lake catchments, China
The autonomic-hormonal and psychophysiological status of 94 13- to 17-year-old urban and rural schoolchildren was studied.
The results of two-year field (in rural, urban, and marine atmospheres) and accelerated tests of contact and volatile inhibitors with steel, brass, and aluminum and magnesium alloys are reported.
The protective value of contact inhibitors only slightly depends on the atmospheric corrosivity, though the latter increased from rural to marine according to the ratio 1∶1.4∶5.7.
A preliminary study was made on the habitat and activity of E. sinensis in Lunghwa area,a suburb of Shanghai, from January to August 1959. Out of 53 houses examined, 27 (50.9%) were found to be infested with this cockroach—afact which indicated the wide distribution of the roach in the rural area. The main breedingplace, according to the present observation, is the loose soil under the kitchen stove. 24-hour observation was carried out to determine the activity of E. sinensis,and the recordwas made hourly....
A preliminary study was made on the habitat and activity of E. sinensis in Lunghwa area,a suburb of Shanghai, from January to August 1959. Out of 53 houses examined, 27 (50.9%) were found to be infested with this cockroach—afact which indicated the wide distribution of the roach in the rural area. The main breedingplace, according to the present observation, is the loose soil under the kitchen stove. 24-hour observation was carried out to determine the activity of E. sinensis,and the recordwas made hourly. It was found that the roach is chiefly nocturnal in habit. It appeared at 7P.M., and reached the peak of its activity between 8--11 P.M. Gradual quiescence ensued until6 A.M. at which time it disappeared almost completely from the surface of the soil. The majority of the population was found 2.5--4 cm. under the ground during day time,the deepest at. 5 cm. In the night, most of them were found on the surface of the soil or withinthe range of 1 cm. underneath, the deepest at 3.5 cm. The average crawling speed was also determined as follows: 1512.3 cm/min. 650cm/min and nymph 474.29 cm/min. Of the roaches 84.37% showed their activity within the rangeof 30 cm. on the ground near the base of the kitchen stove.
A study was made on the local methods of incubating geese eggs in Foochow. 25-30 eggs were put in each net bag, and five bags of eggs were arranged in six levels in a large wooden barrel. Temperature was maintained by putting a pot of slowly burning charcoal underneath the barrel. The technicians measured the temperature of eggs by putting them over the eyelid. Turning and cooling of eggs was accomplished by rearranging the net bags four times a day.In studying the tenperature flutuations during incubation,...
A study was made on the local methods of incubating geese eggs in Foochow. 25-30 eggs were put in each net bag, and five bags of eggs were arranged in six levels in a large wooden barrel. Temperature was maintained by putting a pot of slowly burning charcoal underneath the barrel. The technicians measured the temperature of eggs by putting them over the eyelid. Turning and cooling of eggs was accomplished by rearranging the net bags four times a day.In studying the tenperature flutuations during incubation, clinical thermometers were put near by the eggs at different levels. It was found that during the first day the temperature was about 37°C., about 40°C. on the second, third and fourth days. From the fifth day to the ninth day the temperature was lowered down to about 37°C., from the tenth day on, the thmperature was slightly raised to about 38.5°C.By using these local methods, about 62% of the eggs hatched. Some of the embryos died during the latter period of incubation. The possible causes of death of the embryos are disccussed.Because of the fact that only simple equipments are needed, these methods of incubating geese eggs are suitable to be used in the rural districts, especially those places where electricity is lacking. However, they need further improvements in order to obtain a higher hatching percentage.
In order to suit the requirements of simple, rapids but not precise surveying in the people's communes of rural community, we designed and constructed a set of Simple instruments, including transit, level and pendulumlevel. These instruments, except few individual parts, are made entirely of wood, and therefore suitable for the purpose of simple and rapid surveying in the civil engineering construction, such as location survey of highways, irrigation channels, etc. The advantages of these instruments...
In order to suit the requirements of simple, rapids but not precise surveying in the people's communes of rural community, we designed and constructed a set of Simple instruments, including transit, level and pendulumlevel. These instruments, except few individual parts, are made entirely of wood, and therefore suitable for the purpose of simple and rapid surveying in the civil engineering construction, such as location survey of highways, irrigation channels, etc. The advantages of these instruments are: (1) Light in weight; (2) Lower in price; (3) Simple in operation.
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