The use of radio-opaque markers and abdominal X-ray is the standard method for determining colonic transit time(CTT). However, when there are deviations in the intake of these markers by participants in clinical trial...The use of radio-opaque markers and abdominal X-ray is the standard method for determining colonic transit time(CTT). However, when there are deviations in the intake of these markers by participants in clinical trials it is desirable to improve observations by introducingcorrections, where possible. To date, there is no standard procedure to adjust for such deviations. This report proposes a series of alternatives based on possible scenarios for deviations from the intended intake of radio-opaque markers. The proposed method to correct for missed or delayed consumption of radioopaque markers can help to increase the accuracy of the CTT measurements in clinical trials.展开更多
British-American historian Bernard Lewis famously condemned Arab and Islamic civilization for not having a polyphonic sense of music,even accusing them of accepting totalitarian ideologies and regimes because of their...British-American historian Bernard Lewis famously condemned Arab and Islamic civilization for not having a polyphonic sense of music,even accusing them of accepting totalitarian ideologies and regimes because of their taste for"monophonic"music.That is,having one single singer with all the music following the ups and downs of his or her voice.Polyphonic music,by contrast,is when a piece of music has two or more independent melodies in it.As for the related notion of counterpoint,this is from many voices present in the chorus of a classical Greek drama and a reference to the coordination evident in choir singing.展开更多
How can we approach the truth in a society？ It may depend on various factors. In this paper, using a well-established truth seeking model, the authors show that the persistent free information flow will bring us to t...How can we approach the truth in a society？ It may depend on various factors. In this paper, using a well-established truth seeking model, the authors show that the persistent free information flow will bring us to the truth. Here the free information flow is modeled as the environmental random noise that could alter one＇s cognition. Without the random noise, the model predicts that the truth can only be captured by the truth seekers who own actively perceptive ability of the truth and their believers, while the other individuals may stick to falsehood. But under the influence of the random noise, the authors strictly prove that even there is only one truth seeker in the group, all individuals will finally approach the truth.展开更多
文摘The use of radio-opaque markers and abdominal X-ray is the standard method for determining colonic transit time(CTT). However, when there are deviations in the intake of these markers by participants in clinical trials it is desirable to improve observations by introducingcorrections, where possible. To date, there is no standard procedure to adjust for such deviations. This report proposes a series of alternatives based on possible scenarios for deviations from the intended intake of radio-opaque markers. The proposed method to correct for missed or delayed consumption of radioopaque markers can help to increase the accuracy of the CTT measurements in clinical trials.
文摘British-American historian Bernard Lewis famously condemned Arab and Islamic civilization for not having a polyphonic sense of music,even accusing them of accepting totalitarian ideologies and regimes because of their taste for"monophonic"music.That is,having one single singer with all the music following the ups and downs of his or her voice.Polyphonic music,by contrast,is when a piece of music has two or more independent melodies in it.As for the related notion of counterpoint,this is from many voices present in the chorus of a classical Greek drama and a reference to the coordination evident in choir singing.
基金supported by the National Natural Science Foundation of China under Grant No.11371049the Fundamental Research Funds for the Central Universities under Grant No.2016JBM070
文摘How can we approach the truth in a society？ It may depend on various factors. In this paper, using a well-established truth seeking model, the authors show that the persistent free information flow will bring us to the truth. Here the free information flow is modeled as the environmental random noise that could alter one＇s cognition. Without the random noise, the model predicts that the truth can only be captured by the truth seekers who own actively perceptive ability of the truth and their believers, while the other individuals may stick to falsehood. But under the influence of the random noise, the authors strictly prove that even there is only one truth seeker in the group, all individuals will finally approach the truth.
