The goal of the mental health education in institutions of higher education in this century is(1) to promote an all-round development of university students;
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.
Atmospheric CO_2 concentration is expected to rise from current levels of about 370ppm to between 540 and 970ppm by the end of this century and the effects of rising atmospheric CO_2 concentrations on the global climate have attracted considerable attention.
Enrichment of atmospheric greenhouse gases resulted from human activities such as fossil fuel burning and deforestation has increased global mean temperature by 0.6 ℃ in the 20th century and is predicted to increase it by 1.4-5.8 ℃ in this century.
Especially in the late period of this century, the application of deconstruction in literary criticism changed people's traditional thinking and the mode of literary criticism, negating binary oppositions and deconstructing centralism
The adjusted yearly mean temperatures show a warming trend of 0.5℃ / century since the turn of this century and an enhanced one of 2.0℃ / century since the 1960s.
Then, it discussed the integration tactics and advantages and shortcomings among the systems of traditional GIS、 distributed GIS(C/S) and WEB GIS and pointed out that WEB GIS system integration will be the main technique of GIS system in the this century.
在此基础上 ,讨论了传统 GIS、分布式 GIS(C/S)和 WEB GIS系统的集成策略及其优缺点 ,指出 WEB GIS系统集成将是 GIS系统在 2 1世纪的发展趋势。
With the competition within the trades in the market economy, the impact of the new technology and the increasing needfor the speech and hearing rehabilitation from the society and the family, it has brought us a new challenge for the educational ideas andstrategies of the early rehabilitation for Chinese deaf children in this century.
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.
In the third decade of this century, a set of transformation formulas of electrical networks was proposed by G. Kron basing on the assumption of invariance of power between the primitive and actual networks [LI]. It has been pointed out by some authors that Kron's assumption is incorrect but his formulas give correct results. The problem of the contradiction between the incorrect assumption and the correct results has not yet been well solved. In this paper, the transformation formulas of ...
Owing to the raise of price of fuel oil, poor efficiency of gas turbine and lack of performances required by gas turbine locomotive, the earlier gas turbine locomotive ceased to run at the end of sixties of this century.
A well preserved edentate skeleton discovered from the Upper Paleocene ofNanxiong,Guangdong,in South China in 1973,is here described to represent a newprimitive form of xenarthran.The systematic position and zoogeographical bearings ofthe new form are briefly noted.Family Ernanodontidae fam.nov.Diagnosis:See Genus.Genus Ernanodon,gen.nov.Type species:Ernanodon antelios,sp.nov.Diagnosis:Size of a small dog,skull robust and relatively broad;brain casesmall,muzzle short and facial deep;sagittal crest strongly ...