Zirconyl pyrophosphate(ZrP_2O_7) was prepared and Cs adsorption behavior was studied.Results show that the distribution coefficient of Cs adsorption on ZrP_2O_7 was about 2800 mL/g.Ion exchange capacity of ZrP_2O_7 wa...Zirconyl pyrophosphate(ZrP_2O_7) was prepared and Cs adsorption behavior was studied.Results show that the distribution coefficient of Cs adsorption on ZrP_2O_7 was about 2800 mL/g.Ion exchange capacity of ZrP_2O_7 was0.35 mmol/g.In dynamic tests,Cs can be separated from other fission products very well by ZrP_2O_7.The ZrP_2O_7was stable both at high temperatures and in high concentration of nitric acid.The Cs adsorption by ZrP_2O_7 is a monolayer and chemical adsorption.展开更多
There is no well-established procedure for the management of small penis syndrome(SPS),especially when psychological interventions fail.This study aimed at systematically evaluating the physical and psychological bene...There is no well-established procedure for the management of small penis syndrome(SPS),especially when psychological interventions fail.This study aimed at systematically evaluating the physical and psychological benefits of penile augmentation(PA)using injectable hyaluronic acid(HA)gel.Thirty-eight patients receiving PA with HA gel from January 2017 to March 2020 were included and followed up for 1 year.Penile size,erectile function,and psychological burden measured by the Index of Male Genital Image(IMGI),Index of International Erectile Function(lIEF),and Beliefs about Penis Size(BPAS),respectively,were assessed at the beginning and at 1,3,6,and 12 months postinjection.The volume of HA gel injected was 21.5±3.7 ml.Compared to baseline data,flaccid penile girth and length significantly increased by 3.41±0.95 cm(P<0.01)and 2.55±0.55 cm(P<0.01)at the 1^(st)month postinjection,respectively.At the endpoint,despite attenuations,statistically significant improvements in flaccid penis size were still obtained,namely 2.44±1.14 cm in girth(P<0.01)and 1.65±0.59 cm in length(P<0.01).Similarly,erectile penile girth statistically increased by 1.32±1.02 cm(P<0.01)at the 1^(st)month but were only 0.80±0.54 cm bigger than baseline(P<O.01)at the endpoint.At the 1^(st)month,the average score of IMGI and the mean score of IIEF statistically increased by 46.2±10.5(P<0.01)and 7.6±6.2(P<0.01),respectively;the score of BAPS significantly decreased by 18.3±4.5(P<0.01).These alterations remained steady during follow-up.Considering the significant penile size improvement,lasting psychological benefit,and low complication rate,PA with HA might serve as an appropriate alternative for patients with SPS.展开更多
基金supported by the Defense Advanced Research Project
文摘Zirconyl pyrophosphate(ZrP_2O_7) was prepared and Cs adsorption behavior was studied.Results show that the distribution coefficient of Cs adsorption on ZrP_2O_7 was about 2800 mL/g.Ion exchange capacity of ZrP_2O_7 was0.35 mmol/g.In dynamic tests,Cs can be separated from other fission products very well by ZrP_2O_7.The ZrP_2O_7was stable both at high temperatures and in high concentration of nitric acid.The Cs adsorption by ZrP_2O_7 is a monolayer and chemical adsorption.
基金supported by grant from the Beijing Municipal Natural Science Foundation(No.7194327).
文摘There is no well-established procedure for the management of small penis syndrome(SPS),especially when psychological interventions fail.This study aimed at systematically evaluating the physical and psychological benefits of penile augmentation(PA)using injectable hyaluronic acid(HA)gel.Thirty-eight patients receiving PA with HA gel from January 2017 to March 2020 were included and followed up for 1 year.Penile size,erectile function,and psychological burden measured by the Index of Male Genital Image(IMGI),Index of International Erectile Function(lIEF),and Beliefs about Penis Size(BPAS),respectively,were assessed at the beginning and at 1,3,6,and 12 months postinjection.The volume of HA gel injected was 21.5±3.7 ml.Compared to baseline data,flaccid penile girth and length significantly increased by 3.41±0.95 cm(P<0.01)and 2.55±0.55 cm(P<0.01)at the 1^(st)month postinjection,respectively.At the endpoint,despite attenuations,statistically significant improvements in flaccid penis size were still obtained,namely 2.44±1.14 cm in girth(P<0.01)and 1.65±0.59 cm in length(P<0.01).Similarly,erectile penile girth statistically increased by 1.32±1.02 cm(P<0.01)at the 1^(st)month but were only 0.80±0.54 cm bigger than baseline(P<O.01)at the endpoint.At the 1^(st)month,the average score of IMGI and the mean score of IIEF statistically increased by 46.2±10.5(P<0.01)and 7.6±6.2(P<0.01),respectively;the score of BAPS significantly decreased by 18.3±4.5(P<0.01).These alterations remained steady during follow-up.Considering the significant penile size improvement,lasting psychological benefit,and low complication rate,PA with HA might serve as an appropriate alternative for patients with SPS.
