Worries "I had not known that my kid had a nearsightedness of 800 degrees. Consequences would have been unthinkable if eye specialists from the city had not treated him," said Yun Za, father of a student attending ...Worries "I had not known that my kid had a nearsightedness of 800 degrees. Consequences would have been unthinkable if eye specialists from the city had not treated him," said Yun Za, father of a student attending the No.5 Middle School of Jarud Banner (county) in Tongliao Municipality, Inner Mongolia. He is all gratitude tor doctors of the Tongliao Prevention and Treatment Center for Students' Eye Diseases (Tongliao Eye Center).展开更多
In this paper, we derive the bright and dark photon number states for spatial interference of two or more light beams and succeed in the explanation of Young's interference experiment, and also achieve a better co...In this paper, we derive the bright and dark photon number states for spatial interference of two or more light beams and succeed in the explanation of Young's interference experiment, and also achieve a better comprehension of the well known comment of Dirac 'each photon only interferences with itself'. Prom the fully quantum point of view, the origin of the interference fringes consists in the mode transformation and the detection of double-slit states.展开更多
China and Viet Nam downplay maritime disputes and expand economic cooperation China and Viet Nam vowed to streng then maritime cooperation in "less sensitive fields" in disputed waters in the South China Sea...China and Viet Nam downplay maritime disputes and expand economic cooperation China and Viet Nam vowed to streng then maritime cooperation in "less sensitive fields" in disputed waters in the South China Sea. These fields include marine environmental protection,展开更多
文摘Worries "I had not known that my kid had a nearsightedness of 800 degrees. Consequences would have been unthinkable if eye specialists from the city had not treated him," said Yun Za, father of a student attending the No.5 Middle School of Jarud Banner (county) in Tongliao Municipality, Inner Mongolia. He is all gratitude tor doctors of the Tongliao Prevention and Treatment Center for Students' Eye Diseases (Tongliao Eye Center).
文摘In this paper, we derive the bright and dark photon number states for spatial interference of two or more light beams and succeed in the explanation of Young's interference experiment, and also achieve a better comprehension of the well known comment of Dirac 'each photon only interferences with itself'. Prom the fully quantum point of view, the origin of the interference fringes consists in the mode transformation and the detection of double-slit states.
文摘China and Viet Nam downplay maritime disputes and expand economic cooperation China and Viet Nam vowed to streng then maritime cooperation in "less sensitive fields" in disputed waters in the South China Sea. These fields include marine environmental protection,