9 unit B class to A class,add up to cost the funds 103.90 ten thousand yuan,the benefit number is 1.90 ten thousand people,the average cost 54.68 yuan/person;
20 unit C class to B class,totally cost the funds 49.35 ten thousand yuan,the benefit number is 1.80 ten thousand people,the average cost 49.92 yuan/ person;
20 unit D class to C class,totally cost the funds 49.35 ten thousand yuna,the beneficiary number is 1.55 ten thousand people,the average cost 31.84 yuan/person.
Stools of 852 inhabitants in a national farm of Hainan Island were ex- amined and the hookworm eggs were counted. A discussion of the epidemiology on the hookworm disease is made with special reference to the planting of such economic plants as coffee, Agave sisalana, Cymbopogon spp etc. Infection of Strongyloides stercoralis were recorded.
Making use of a dichroic filter type anomaloscope,the ratio and the range of vatiation of red to green light in matching for yellow were Studied in 220 sub jectS(146 males,74 females) with no acquired diseases of COlour vision. of the 220 cases,207 are normal. The statistical properties of the distribution of their R/G ratios were analyzed,assuming a normal distribution.The rest,13 cases, constituting a total of 6% COlour defectives of the sample, consist of 3 protans,3 deutans,1 protanomal,2 deuteranomals ...