Results Malaria incidenc e in Meixian County was reduced gradually being from 4 618.58 per ten thousand i n the 1950s to 0.06 per ten thousand in 1996～2003, a drop of 99.99% and no loca l infections were reported.
the reduction of Dazong Lake between the 1950s and the 1970s was not significant, only 0.26km2, Dazong Lake reduced by 1.412km2 from the 1970s to the 1990s, that is only 25.201km2 remained in the 1990s.
From 40s to the end of 50s in this century, orthodontists introduced tens of cephalometric analyses such as Tweed, Wylie, Downs, Steiner, Reidel and Ricketts analysis for the craniofacial analysis and malocclusion diagnosis.
Hospital infection can be traced back to the early 19th century. Beginning from the 50s of the 20thcentury,there has been a rapid development in the monitoring of hospital infection.
Children's poetry in China has developed for about 80 years, the first half of 20 century is the beginning and developing period ,The 50s and the 60s is its first flourishing period . The new period is its second flourishing period.
The second chapter retrospects the development of ESL writing since 1950's and introduces the process approach from its background, theoretical basis, main characteristics, the basic writing phases and modes.
The temperature has increase trend and it rises 0.0265 centigrade annually on the average and the coefficient of variation is 0.0785. The change of temperature has taken on increase trend from the middle of 1950's to 1990's;
The theory of cellular automata, proposed by the famous scientist Von Neumann in the 1950's,has developed from its original purpose of imitating the self-organization phenomenon of biological system into a widely used method.
Results Malaria incidenc e in Meixian County was reduced gradually being from 4 618.58 per ten thousand i n the 1950s to 0.06 per ten thousand in 1996～2003, a drop of 99.99% and no loca l infections were reported.
the reduction of Dazong Lake between the 1950s and the 1970s was not significant, only 0.26km2, Dazong Lake reduced by 1.412km2 from the 1970s to the 1990s, that is only 25.201km2 remained in the 1990s.
The annual precipitation was 16.2 mm in the 1950s, 18.0 mm in the 1960s,20. 3 mm in the 1970s,40.2 mm in the 1980s respectively. 3. The annual precipitation is 23.8 mm in Ruoqiang.
Liver surgery first started in the late 1950s in China, and it soon flourished mainly because of the great demand in liver surgery and the emergence of a number of giants in liver surgery.
Some problems of flight vehicle control that date back to the 1950s and gave rise to the theory of adaptive control and, in the 1960s and 1970s, self-adjusting automatic pilots were discussed.
Since the 1950s, an erroneous viewpoint has gained a foothold in the special and reference literature that dog hepatoid circumanal glands have an abortive nature, lack efferent ducts, and show no signs of secretory activity.
We discuss strong and weak points of the data on dog hepatoid circumanal glands published in 1950s-1990s in comparison with those obtained in our purposeful long-term investigation of various hepatoid glands.
We have studied in vivothe phenotypes of 23S rRNA mutations G2582A, G2582U, G2583C, and U2584C, which are located at the A site of Escherichia coli50S ribosomal subunit.
Upon sucrose gradient fractionation of cell lysates, 23S rRNAs mutated at G2582 to A and G2583 to C accumulated in the 50S and 70S fractions and were underrepresented in the polysome fraction.
The structural and biochemical data on the 30S subunit and EF-G were analyzed to specify the position of EF-G relative to the 30S and 50S ribosomal subunits.
Liver surgery first started in the late 1950s in China, and it soon flourished mainly because of the great demand in liver surgery and the emergence of a number of giants in liver surgery.
Some problems of flight vehicle control that date back to the 1950s and gave rise to the theory of adaptive control and, in the 1960s and 1970s, self-adjusting automatic pilots were discussed.
Since the 1950s, an erroneous viewpoint has gained a foothold in the special and reference literature that dog hepatoid circumanal glands have an abortive nature, lack efferent ducts, and show no signs of secretory activity.
We discuss strong and weak points of the data on dog hepatoid circumanal glands published in 1950s-1990s in comparison with those obtained in our purposeful long-term investigation of various hepatoid glands.
The analysis of summer rainfall intensity in China is carried on for the purpose of practical application of climatic data to the natural resources development. It contains three main parts: 1) a brief survey of the distribution of mean intensity of rain in summer months; 2) an investigation of the record maxima of rainfall intensity at different stations in respective geographical regions; 3) a statistical analysis of the time variations of yearly maximum intensities at 12 representative stations and a cal...
This dissertation has its object to ascertain the era of construction of VanTien paoilion which being but a part of the auchitecture of Shun-En temple, is located in Hu hsien of Kiangsu province. The conclusion herein reached is based upon an actual inspection of the structure and a careful aualysis of every integral part of the construction, taking into consideration as well the political and economical conditions prevailing during that period. Correlated with the main theme, the subject matter about the ...
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