China and India seek to exert a positive influence on-the world Chinese Premier Wen Jiabao dis- played his signature smile as he and his visiting Indian counter- part Manmohan Singh signed a document to upgrade China-...China and India seek to exert a positive influence on-the world Chinese Premier Wen Jiabao dis- played his signature smile as he and his visiting Indian counter- part Manmohan Singh signed a document to upgrade China-India relations in the Great Hall of the People in Beijing on January 14.Wen had good rea- son to be confident.Having just concluded a fruitful meeting in which the two leaders reached a consensus on a wide range of top- ics,they were now reaffirming in a written document the two countries’commitment to intensifying bilateral cooperation from a global perspective.展开更多
Along with the development of the information technology, people with different cultures are living together.Hence, there are both positive and negative influences. The former one can help to promote the development o...Along with the development of the information technology, people with different cultures are living together.Hence, there are both positive and negative influences. The former one can help to promote the development of a nation, but the later one can let people feel confused about their culture or even forget it. In the following parts, I focus on the positive influences.According to my humble analysis, we need to seek harmony without uniformity.展开更多
To study the influence of head-neck ratio and implant position on the range of motion (ROM) after total hip arthroplasty (THA).Methods In this study the author established a three-dimensional computerized model of hip...To study the influence of head-neck ratio and implant position on the range of motion (ROM) after total hip arthroplasty (THA).Methods In this study the author established a three-dimensional computerized model of hip joint and tested the range of motion of three different head-neck ratio after total hip arthroplasty.Results Range of motion after total hip arthroplasty depended on design parameters such as head-neck ratio,but also on the implantation parameters such as the cup’s inclination and antevertion,the stem’s antevertion and their combination of each other.Optimal range of motion required compliant position of total hip components.The range of motion increased with the enlarging of head-hnck ratio.Conclusion Higher head-neck ratio leads to optimal range of motion and decreased the prevalence of prosthetic impingement within compliant,well-defined combination of cup’s inclination,cup’s antevertion and stem’s antevertion depending on the intended ROM.Domestic magnesium-silicon jade total hip prosthesis has too low head-neck ratio to result in enough range of motion that fulfilled daily living after total hip arthroplasty.14 refs,4 figs,3 tabs.展开更多
文摘China and India seek to exert a positive influence on-the world Chinese Premier Wen Jiabao dis- played his signature smile as he and his visiting Indian counter- part Manmohan Singh signed a document to upgrade China-India relations in the Great Hall of the People in Beijing on January 14.Wen had good rea- son to be confident.Having just concluded a fruitful meeting in which the two leaders reached a consensus on a wide range of top- ics,they were now reaffirming in a written document the two countries’commitment to intensifying bilateral cooperation from a global perspective.
文摘Along with the development of the information technology, people with different cultures are living together.Hence, there are both positive and negative influences. The former one can help to promote the development of a nation, but the later one can let people feel confused about their culture or even forget it. In the following parts, I focus on the positive influences.According to my humble analysis, we need to seek harmony without uniformity.
文摘To study the influence of head-neck ratio and implant position on the range of motion (ROM) after total hip arthroplasty (THA).Methods In this study the author established a three-dimensional computerized model of hip joint and tested the range of motion of three different head-neck ratio after total hip arthroplasty.Results Range of motion after total hip arthroplasty depended on design parameters such as head-neck ratio,but also on the implantation parameters such as the cup’s inclination and antevertion,the stem’s antevertion and their combination of each other.Optimal range of motion required compliant position of total hip components.The range of motion increased with the enlarging of head-hnck ratio.Conclusion Higher head-neck ratio leads to optimal range of motion and decreased the prevalence of prosthetic impingement within compliant,well-defined combination of cup’s inclination,cup’s antevertion and stem’s antevertion depending on the intended ROM.Domestic magnesium-silicon jade total hip prosthesis has too low head-neck ratio to result in enough range of motion that fulfilled daily living after total hip arthroplasty.14 refs,4 figs,3 tabs.
