The main purpose of the National Nutrition and Health Systematic Survey for children 0-17 years of age in China(CNHSC)was to collect basic data on the nutrition,development,and health status for children in different ...The main purpose of the National Nutrition and Health Systematic Survey for children 0-17 years of age in China(CNHSC)was to collect basic data on the nutrition,development,and health status for children in different regions across China using evidence-based,reliable,and cost-effective approaches.Children and their parents or guardians from seven regions(south,southwest,north,northwest,eastern,central,and northeast China)in China were recruited.A multi-stage stratified randomized sampling method was used.Two provinces were randomly sampled from each of the seven regions,from which one urban district and one rural country were also randomly sampled,resulting in a total of 28 survey counties/districts.Dietary surveys,health examinations,laboratory testing,and questionnaires were used to collect dietary intake,nutritional status,child development,and health status information.Nutrition,health,and lifestyle assessment of children and their parents was determined using the Knowledge Attitude Practice(KAP)survey.Greater than 100,000 children(38,000 children<6 years of age and 66,000 children6-17 years of age)completed the survey.The survey provided comprehensive data on child nutrition and health status for future studies and will serve as the basis for an integrated nutrition and health improvement strategies proposal for children in China.展开更多
The <sup>16</sup>O（n,γ）<sup>17</sup>O reaction is first realized at neutron energies from 7 to 14MeV,which is the so-called pygmy resonance region.The pusled beam and time offlight technique...The <sup>16</sup>O（n,γ）<sup>17</sup>O reaction is first realized at neutron energies from 7 to 14MeV,which is the so-called pygmy resonance region.The pusled beam and time offlight techniques are used.Two large NaI-plastic anticoincidence shielded spectrometersare used to detect high energy gamma rays.The results are in good agreement withthose of the <sup>17</sup>O（γ,n<sub>0</sub>）reaction by detailed balance.The integrated（γ,n<sub>0</sub>）cross section is5.88 MeV mb,which is 2.3% of energy weighted sum rule（EWSR）.展开更多
Two new triterpenoids, octanordammar- 1,11,13(17)-trien- 17-ol-3,16-dione (1) and lup- 12-en- 15α,19β-diol-3,11-dioxo-28-oic acid (4), as well as 13 known compounds were isolated from the roots of Sanguisorba offici...Two new triterpenoids, octanordammar- 1,11,13(17)-trien- 17-ol-3,16-dione (1) and lup- 12-en- 15α,19β-diol-3,11-dioxo-28-oic acid (4), as well as 13 known compounds were isolated from the roots of Sanguisorba officinalis L. (Rosaceae). Their structures were determined using spectroscopic methods.展开更多
基金supported by the National Special Program for Science&Technology Basic Resources Investigation of China[Grant No.2017FY101100,2017FY101101,2017FY101102,2017FY101103,2017FY101104,2017FY101105,2017FY101106,and 2017FY101107]。
文摘The main purpose of the National Nutrition and Health Systematic Survey for children 0-17 years of age in China(CNHSC)was to collect basic data on the nutrition,development,and health status for children in different regions across China using evidence-based,reliable,and cost-effective approaches.Children and their parents or guardians from seven regions(south,southwest,north,northwest,eastern,central,and northeast China)in China were recruited.A multi-stage stratified randomized sampling method was used.Two provinces were randomly sampled from each of the seven regions,from which one urban district and one rural country were also randomly sampled,resulting in a total of 28 survey counties/districts.Dietary surveys,health examinations,laboratory testing,and questionnaires were used to collect dietary intake,nutritional status,child development,and health status information.Nutrition,health,and lifestyle assessment of children and their parents was determined using the Knowledge Attitude Practice(KAP)survey.Greater than 100,000 children(38,000 children<6 years of age and 66,000 children6-17 years of age)completed the survey.The survey provided comprehensive data on child nutrition and health status for future studies and will serve as the basis for an integrated nutrition and health improvement strategies proposal for children in China.
基金The project partly supported by National Natural Science Foundation of China.
文摘The <sup>16</sup>O（n,γ）<sup>17</sup>O reaction is first realized at neutron energies from 7 to 14MeV,which is the so-called pygmy resonance region.The pusled beam and time offlight techniques are used.Two large NaI-plastic anticoincidence shielded spectrometersare used to detect high energy gamma rays.The results are in good agreement withthose of the <sup>17</sup>O（γ,n<sub>0</sub>）reaction by detailed balance.The integrated（γ,n<sub>0</sub>）cross section is5.88 MeV mb,which is 2.3% of energy weighted sum rule（EWSR）.
文摘Two new triterpenoids, octanordammar- 1,11,13(17)-trien- 17-ol-3,16-dione (1) and lup- 12-en- 15α,19β-diol-3,11-dioxo-28-oic acid (4), as well as 13 known compounds were isolated from the roots of Sanguisorba officinalis L. (Rosaceae). Their structures were determined using spectroscopic methods.
